CN102801371B - Boosting power control method of alternating-current servo driver - Google Patents
Boosting power control method of alternating-current servo driver Download PDFInfo
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- CN102801371B CN102801371B CN201210270579.4A CN201210270579A CN102801371B CN 102801371 B CN102801371 B CN 102801371B CN 201210270579 A CN201210270579 A CN 201210270579A CN 102801371 B CN102801371 B CN 102801371B
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Abstract
The invention provides a boosting power control method of an alternating-current servo driver. The boosting power control method comprises the following steps of: when the alternating-current servo driver starts a signal, starting a first group of boosting modules; waiting for normal starting working of the boosting modules in a delaying way, and after voltage of a boosting power main loop reaches a specified value, starting remained groups of boosting modules by step continuously in sequence; after all the boosting modules are started, waiting for normal working of all the boosting modules in the delaying way and waiting for that the voltage of the boosting power main loop is up to the specified value; if the voltage of the boosting power main loop is higher than the high-voltage specified value, releasing the alternating-current servo driver to brake the feedback generation power, and when the voltage of the boosting power main loop decreases to a discharge point voltage value, stopping a power discharge circuit; and after a start working signal of the alternating-current servo driver is missed, stopping all the boosting modules in the delaying way. The boosting power control method provided by the invention has the advantages that the instantaneous impact of starting of the boosting power to the power main loop can be effectively reduced, the damage of a boosting power and the driver due to over-high voltage can be reduced, the heating of a box body can be reduced and energy can be saved.
Description
Technical field
The present invention relates to a kind of booster power control method.
Background technology
Current, it is direct current 300V that AC servo driver requires operating voltage, and electric power system only provides single direct current 28V power supply, therefore must design booster power, for drive operation provides high voltage source.During such booster power startup work at present, generally take the mode directly powering on, in the course of work, also do not monitor AC servo driver working condition and booster power main circuit voltage.If do not take control measure during booster power startup work, transient current is very large, and electric power system is produced and impacted, and causes voltage transient to decline, and affects the work of system miscellaneous part, can cause part components and parts to damage when serious.Simultaneously, because whole system requires long time continuous working, and the AC servo driver requirement operating time is interval, if close not in time booster power, will inevitably increase power loss, waste energy, and increase the weight of casing the degree of heat, booster power and AC servo driver reliability decrease while causing hot operation.In addition, AC servo driver in the course of the work, can be generated electricity during braking in feedback, if consume this part energy by leadage circuit not in time, AC servo driver booster power main circuit voltage constantly raises, and causes power component to damage when serious.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of booster power control method, be applicable to the booster power that a plurality of boost module series systems form, can effectively reduce booster power and start the impact of moment to power supply major loop, and consume in time the AC servo driver feedback braking braking energy in when generating, effectively reduce the damage that causes booster power and driver due to overtension.Meanwhile, when AC servo driver is not worked, close in time booster power, to reduce casing heating and energy savings.
The technical solution adopted for the present invention to solve the technical problems comprises the following steps:
(1) after AC servo driver powers on, booster power controller has judged whether to receive the effectively start signal of AC servo driver, when booster power controller is received AC servo driver enabling signal, booster power controller is opened first group in a plurality of boost modules of connecting, otherwise maintenance wait state, continues to detect enabling signal.
(2) to wait for that boost module starts working properly for time delay appropriate time (be greater than single group boost module voltage normal settling time 150%), booster power controller detects booster power main circuit voltage, if do not reach setting V1 (first group of boost module rated voltage 80%), hold mode also detects booster power main circuit voltage, if reach setting, continue substep and open successively remainder and respectively organize boost module, each step all postpones single 150% of boost module voltage normal settling time of organizing.
(3) after all boost module startup work completes, time delay appropriate time (be greater than single group boost module voltage normal settling time 150%) waits for that all boost modules are working properly, booster power controller detects booster power main circuit voltage, if do not reach setting V2 (booster power major loop rated voltage 80%), do not send power supply and be ready to signal, and continue to detect booster power main circuit voltage, if reach setting, send power supply and be ready to signal.
(4) in the AC servo driver course of work, booster power controller detects booster power main circuit voltage, if while surpassing high pressure setting V3 (booster power major loop rated voltage 120%), starting power leadage circuit, discharge AC servo driver feedback braking generated output, when booster power main circuit voltage falls back to the point voltage value V4 that releases (booster power major loop rated voltage 110%), close immediately power drain circuit.
(5) after the normal work of AC servo driver and booster power, when AC servo driver starts after working signal disappearance, time delay appropriate time (being greater than 10s), booster power controller cuts out all boost modules, so that energy savings and reduce casing heating.
The invention has the beneficial effects as follows:
(1) booster power is composed in series by a plurality of boost modules, adopts and starts successively booster power mode of operation, and the impact to power supply while effectively reducing booster power startup, has improved system reliability.
(2) booster power controller starts first group of boost module, detects booster power main circuit voltage, takes not reach the method that setting is just waited for, has solved the undesired shock problem bringing of direct current 28V Power supply.
(3) when AC servo driver and booster power are normally worked, after quitting work, AC servo driver stops booster power in good time, the booster power main circuit power supply that breaks, has reduced the energy and has reduced casing heating, has improved the whole system reliability that works long hours.
(4) boost in process, by detecting booster power main circuit voltage, controlled discharge power circuit, discharges AC servo driver feedback braking generated output, prevents that booster power main circuit voltage is too high, causes power device to damage, and has improved security of system.
Accompanying drawing explanation
Fig. 1 is the block diagram of the embodiment of the present invention;
Fig. 2 is the workflow diagram of the embodiment of the present invention;
Fig. 3 is the circuit diagram of the embodiment of the present invention;
In figure, 1-input signal buffer circuit, 2-booster power main circuit voltage isolation change-over circuit, 3-output signal buffer circuit;
Fig. 4 is that the boost module of the embodiment of the present invention starts sequential flow chart;
Fig. 5 is the high-power leadage circuit flow chart of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
The inventive method flow process is as follows: after (1) AC servo driver powers on, when booster power controller is received boost module enabling signal, booster power controller is opened first group of boost module.Booster power controller is received boost module enabling signal by following steps, a) AC servo driver booster power main circuit voltage signal is sent into voltage detection module, voltage detection module comprises Hall voltage transducer and signal conditioning circuit, its effect is that the isolation of booster power main circuit voltage signal is converted to appropriate level signal, send into the A/D conversion process module of booster power controller, b) AC servo driver enabling signal is through isolation module conversion, send into the I/O interface of booster power controller, c) CPU element of booster power controller is controlled A/D conversion process module, completing booster power main circuit voltage A/D changes and stores, the enabling signal of scans I/O interface input simultaneously, d) CPU element according to adopt into booster power main circuit voltage signal and enabling signal, according to program setting power output drive circuit signal and boost module enabling signal, wherein power driving circuit signal is directly controlled high-power leadage circuit opening and closing, boost module enabling signal is directly controlled the startup of corresponding boost module and is stopped.(2) to wait for that boost module starts working properly for time delay appropriate time (be greater than single group boost module voltage normal settling time 150%), booster power controller detects booster power main circuit voltage, if do not reach setting V1 (first group of boost module rated voltage 80%), hold mode also detects booster power main circuit voltage, if reach setting, continues substep and opens remainder and respectively organize boost module.(3) after all boost module startup work completes, time delay appropriate time (be greater than single group boost module voltage normal settling time 150%) waits for that all boost modules are working properly, booster power controller detects booster power main circuit voltage, if not reaching setting V2 (booster power major loop rated voltage 80%) does not send power supply and is ready to signal, and continue to detect booster power main circuit voltage, if reach setting, send power supply and be ready to signal.(4) in the AC servo driver course of work, booster power controller detects booster power main circuit voltage, if while surpassing high pressure setting V3 (surpass booster power major loop rated voltage 20%), starting power leadage circuit, discharge AC servo driver feedback braking generated output, when booster power main circuit voltage falls back to the point voltage value V4 that releases (surpass booster power major loop rated voltage 10%), close immediately power drain circuit.(5) after the normal work of AC servo driver and booster power, when AC servo driver starts after working signal disappearance, time delay appropriate time (being greater than 10s), booster power controller cuts out all boost modules, completes the process of boosting.
Below in conjunction with drawings and Examples, the present invention is further described.
Referring to Fig. 1, shown in embodiment wherein, AC servo driver booster power control method comprises the input of booster power main circuit voltage signal, voltage detection module, enabling signal input, isolation module, booster power controller, power driving circuit, high-power leadage circuit, boost module start-up circuit and boost module.
Referring to Fig. 1, Fig. 4 and Fig. 5, describe method flow of the present invention in detail: after (1) system powers on, booster power controller is received boost module enabling signal, first booster power controller opens first group of boost module, (2) after wait 15ms, boost module starts working properly, booster power controller detects booster power main circuit voltage, undesired if powered, booster power main circuit voltage is less than V1 (25V), booster power controller continues to detect booster power main circuit voltage, do not start remaining boost module, if power supply is normal, booster power main circuit voltage is greater than V1 (25V), after time delay 15ms, start second group of boost module, by the startup of the remaining boost module of this Pattern completion.(3) after all boost modules have started, booster power delaying time of controller 15ms detects booster power main circuit voltage, if booster power main circuit voltage is less than V2 (240V), to driver, do not send power supply and be ready to signal, and continue time delay 15ms and detect booster power main circuit voltage, if booster power main circuit voltage is greater than V2 (240V), to driver, send power supply and be ready to signal, (4) in the AC servo driver course of work, booster power controller detects booster power main circuit voltage, when voltage is when releasing point voltage V3 (360V), open power drain circuit, prevent that voltage from rising too high, cause power device to damage, when voltage is when releasing point voltage V4 (330V), close power drain circuit, (5) after the normal work of AC servo driver and booster power, when AC servo driver starts after working signal disappearance, time delay appropriate time (being greater than 10s), booster power controller cuts out all boost modules, complete the process of boosting.
Referring to Fig. 3, in the embodiment of the present invention, adopt the high-performance digit chip TMS320LF2403 of TI company as booster power controller U5, this booster power controller has 8 path 10 bit A/D converters, the highest conversion speed is 500ns, there are 21 general programmable I/O pins, for the work such as realization of settling signal AD sample conversion, reception, output and control algolithm.
Referring to Fig. 3, in the embodiment the present invention relates to, input signal buffer circuit is comprised of resistor and optocoupler.One road input signal buffer circuit is comprised of R26, U13, R28, when the working signal XMQ1 that sends when driver is effective, it is high level, this voltage is by U13 conducting after R26 current limliting, VDD by R28 current limliting after XMQ1C signal above drawn as high level and sent into 53 pin of processor U5.When drive operation signal XMQ1 is invalid, be low level, this voltage is through R26, U13 cut-off, GND by R28 by XMQ1C signal by drop-down for low level and send into 53 pin of processor U5.In like manner can analyze the XMQ input signal processing circuit of another route U14, R27, R29 composition.
Referring to Fig. 3, in the embodiment the present invention relates to, voltage isolation change-over circuit is comprised of resistor, filter capacitor, integrated circuit and inverter.By U19, U20, R36, R39, R40, R42, R43, C46, formed.Adopt New Magnetic Field Controlled balance Hall voltage transducer as prime detection head, there is the advantages such as overall accuracy is high, detection voltage range is wide, the linearity good, temperature drift is low, isolating power is strong.Integrated circuit U19 will be converted to electric current corresponding with voltage after the isolation of booster power main circuit voltage, electric current is processed and is converted to voltage signal by R43, C46 filtering, the reverse ratio circuit of sending into the reverse ratio circuit that formed by R36, R39, U20A (its transfer ratio for-(R36/R39)) and being formed by R40, R42, U20B (its transfer ratio be-(R42/R40)), finally export VI, 18 pin of sending into U5, complete A/D sample conversion by U5.
Referring to Fig. 3, in the embodiment the present invention relates to, output signal buffer circuit is comprised of resistor and optocoupler.One tunnel output signal buffer circuit is comprised of U1, R1, R3, and when the 43 pin output signal QDC1 of processor U5 are high level, this voltage is by U1 conducting after R1 current limliting ,+28V power supply by R3 current limliting after QD1 be high level.When QDC1 is low level, this voltage is U1 cut-off after R1 current limliting, and QD1 signal is unsettled.In like manner can analyze all the other output signal processing circuits.
Referring to Fig. 4, in the embodiment the present invention relates to, boost module starts sequential flow process: first booster power controller starts first group of boost module, after waiting for 15ms, detect booster power main circuit voltage, undesired if powered, booster power main circuit voltage is less than V1 (25V), booster power controller continues to detect booster power main circuit voltage, does not start remaining boost module; If power supply is normal, booster power main circuit voltage is greater than V1 (25V), starts second group of boost module after time delay 15ms, by the startup of the remaining boost module of this Pattern completion.After all boost modules have started, booster power delaying time of controller 15ms detects booster power main circuit voltage, if booster power main circuit voltage is greater than V2 (240V), to driver, sends power supply and is ready to signal; If booster power main circuit voltage is less than V2 (240V), to driver, does not send power supply and be ready to signal, and continue time delay 15ms and detect booster power main circuit voltage.
Referring to Fig. 5, power drain control flow in the embodiment the present invention relates to: first booster power controller detects booster power main circuit voltage, when voltage is when releasing point voltage V3 (360V), opens the power circuit of releasing, prevent that voltage from rising too high, cause power device to damage; When voltage is when releasing point voltage V4 (330V), close the power circuit of releasing.While selecting V4, will be not less than the normal ceiling voltage 10% of main circuit, V3 surpasses normal maximum voltage value 20%.Due to V3>V4, the unlatching power circuit of releasing only need judge whether booster power main circuit voltage is greater than V3, close the power circuit of releasing and only need judge whether booster power main circuit voltage is less than V4, algorithm is simple, both can realize stagnant ring and control, and can avoid again opening by mistake logical and frequent switch power leadage circuit.
Claims (1)
1. an AC servo driver booster power control method, is characterized in that comprising the steps:
(1) after AC servo driver powers on, booster power controller has judged whether to receive the effectively start signal of AC servo driver, when booster power controller is received AC servo driver enabling signal, booster power controller is opened first group in a plurality of boost modules of connecting, otherwise maintenance wait state, continues to detect enabling signal;
(2) time delay waits for that boost module startup is working properly, delay time is greater than 150% of single group boost module voltage normal settling time, booster power controller detects booster power main circuit voltage, if do not reach setting V1, hold mode also detects booster power main circuit voltage, if reach setting V1, continue substep and open successively remainder and respectively organize boost module, each step all postpones single 150% of boost module voltage normal settling time of organizing; Described setting V1 is 80% of first group of boost module rated voltage;
(3) after all boost module startup work completes, time delay waits for that all boost modules are working properly, delay time is greater than 150% of single group boost module voltage normal settling time, booster power controller detects booster power main circuit voltage, if do not reach setting V2, do not send power supply and be ready to signal, and continue to detect booster power main circuit voltage, if reach setting V2, send power supply and be ready to signal; Described setting V2 is 80% of booster power major loop rated voltage;
(4) in the AC servo driver course of work, booster power controller detects booster power main circuit voltage, if surpass high pressure setting V3, starting power leadage circuit, discharge AC servo driver feedback braking generated output, when booster power main circuit voltage falls back to while releasing point voltage value V4, close immediately power drain circuit; Described high pressure setting V3 is 120% of booster power major loop rated voltage, and the described point voltage value V4 that releases is 110% of booster power major loop rated voltage;
(5) after the normal work of AC servo driver and booster power, when AC servo driver starts after working signal disappearance, time delay is greater than after 10ms, and booster power controller cuts out all boost modules.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210270579.4A CN102801371B (en) | 2012-08-01 | 2012-08-01 | Boosting power control method of alternating-current servo driver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210270579.4A CN102801371B (en) | 2012-08-01 | 2012-08-01 | Boosting power control method of alternating-current servo driver |
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| CN102801371A CN102801371A (en) | 2012-11-28 |
| CN102801371B true CN102801371B (en) | 2014-11-19 |
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| CN201210270579.4A Expired - Fee Related CN102801371B (en) | 2012-08-01 | 2012-08-01 | Boosting power control method of alternating-current servo driver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI561996B (en) * | 2015-04-28 | 2016-12-11 | Quanta Comp Inc | Computing system, computer-implemented method, and non-transitory computer readable media thereof |
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|---|---|---|---|---|
| CN110768593A (en) * | 2019-08-27 | 2020-02-07 | 梁玉泉 | Single-phase brushless motor controller |
| CN112361877B (en) * | 2020-11-24 | 2024-06-28 | 西北机电工程研究所 | General control module of gun alternating current servo driver |
| CN116742760B (en) * | 2023-08-07 | 2023-11-21 | 南京恒德科技发展有限公司 | New energy battery electronic load complementary energy discharging device and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0194400A1 (en) * | 1985-03-11 | 1986-09-17 | El-Fi Innovationer Ab | A method of starting an asynchronous motor and an apparatus for carrying said method into effect |
| CN2121771U (en) * | 1991-09-30 | 1992-11-11 | 重庆钢铁专科学校 | Starting energy-saving device for AC asynchronous motor |
| CN1918781A (en) * | 2004-02-19 | 2007-02-21 | 丰田自动车株式会社 | Motor driving apparatus |
| CN101034847A (en) * | 2006-03-07 | 2007-09-12 | 罗姆股份有限公司 | Voltage step-up circuit and electric appliance therewith |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6791394B2 (en) * | 2002-10-10 | 2004-09-14 | Lattice Semiconductor Corporation | Power supply control circuits |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0194400A1 (en) * | 1985-03-11 | 1986-09-17 | El-Fi Innovationer Ab | A method of starting an asynchronous motor and an apparatus for carrying said method into effect |
| CN2121771U (en) * | 1991-09-30 | 1992-11-11 | 重庆钢铁专科学校 | Starting energy-saving device for AC asynchronous motor |
| CN1918781A (en) * | 2004-02-19 | 2007-02-21 | 丰田自动车株式会社 | Motor driving apparatus |
| CN101034847A (en) * | 2006-03-07 | 2007-09-12 | 罗姆股份有限公司 | Voltage step-up circuit and electric appliance therewith |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI561996B (en) * | 2015-04-28 | 2016-12-11 | Quanta Comp Inc | Computing system, computer-implemented method, and non-transitory computer readable media thereof |
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