CN104660085A - Wireless synchronous output parallel inverter, inverter set and operating method - Google Patents
Wireless synchronous output parallel inverter, inverter set and operating method Download PDFInfo
- Publication number
- CN104660085A CN104660085A CN201310576527.4A CN201310576527A CN104660085A CN 104660085 A CN104660085 A CN 104660085A CN 201310576527 A CN201310576527 A CN 201310576527A CN 104660085 A CN104660085 A CN 104660085A
- Authority
- CN
- China
- Prior art keywords
- inverter
- full
- output
- main frame
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/493—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
Abstract
The invention discloses a wireless synchronous output parallel inverter, an inverter set and an operating method. The single inverter is provided with a direct current input end and an alternating current output end, and comprises an inverting control chip, a wireless transmitter-receiver, an inverting full-bridge circuit and a full-bridge rectification circuit, wherein the wireless transmitter-receiver, the inverting full-bridge circuit and the full-bridge rectification circuit are connected with the inverting control chip; the full-bridge rectification circuit is connected with an external load by a resonance circuit and a filter capacitor; the resonance circuit consists of a capacitor and a transformer which are connected in parallel; output current of the alternating current output end is acquired by the transformer and then input to the inverting control chip by the full-bridge rectification circuit to serve as current control; and the inverting full-bridge circuit is arranged between the resonance circuit and the external load. The inverter adopts the wireless communication transmission mode and requires no signal wire, so that allocation of a whole output network is relatively easy, and implementation is convenient.
Description
Technical field
The present invention relates to inverter technology, particularly relating to a kind of wireless synchronization output type can shunt chopper, inverter group and method of work.
Background technology
Current inverter (being exchange the equipment exported by direct current Input transformation) is stand-alone type mostly, namely multiple stage inverter main frame directly in parallelly cannot provide output to load, this is that direct parallel connection will cause the uncertain faults such as bad machine because the interchange output phase place of stand-alone type inverter is asynchronous.But Parallel opertation is again very useful, such as two 500w's can parallel-type converter, can provide the output of 1000w in theory, and do not need to purchase a 1000w or more high-power stand-alone type inverter after parallel connection.Occur the scheme of minority about inverter parallel at present, as droop method, have line parallel etc., but actual deployment is got up all more loaded down with trivial details, not easily implements.
Summary of the invention
In view of this, the object of this invention is to provide a kind of wireless synchronization output type can shunt chopper, and inverter group and method of work, to solve deficiency of the prior art.
In order to achieve the above object, the object of the invention is to be achieved through the following technical solutions:
On the one hand, there is provided a kind of wireless synchronization output type can shunt chopper, there is direct-flow input end and ac output end, wherein, comprise inversion control chip, wireless transmitter receiver device, inversion full-bridge circuit, full bridge rectifier, described wireless transmitter receiver device, described inversion full-bridge circuit, described full bridge rectifier is connected with described inversion control chip respectively, described full bridge rectifier is connected external loading by resonant circuit with filter capacitor, described resonant circuit is made up of electric capacity parallel with one another and instrument transformer, the output current of described ac output end by inputing to described inversion control chip as Current Control after described full bridge rectifier after described instrument transformer collection, described inversion full-bridge circuit is located between described resonant circuit and external loading.
Above-mentioned wireless synchronization output type can shunt chopper, and wherein, described wireless transmitter receiver device working frequency range is 2.4GHz.
Above-mentioned wireless synchronization output type can shunt chopper, and wherein, described inversion full-bridge circuit is made up of four field effect transistor, and each described field effect transistor is respectively with respective drive circuit.
In addition on the one hand, provide a kind of inverter group, wherein, by multiple wireless synchronization output type described above can shunt chopper be parallel with one another forms.
Again on the one hand, also provide a kind of method of work of inverter group, realize based on inverter group described above, wherein, comprise the following steps:
Any single inverter start in inverter group powers on, and this inverter is in slave mode and search main frame around; If search main frame, then this inverter enters slave mode, Receiving Host transmission alternating current output information and synchronism output; If do not search main frame, then this inverter enters host mode, sends self alternating current output information by wireless transmitter receiver device;
All the other inverters in inverter group are started shooting successively and are powered on, and repeat above-mentioned steps, until all inverters in inverter group all power on complete.
The method of work of above-mentioned inverter group, wherein, when the inverter of any separate unit non-host in inverter group makes a mistake, shutoff exports by this inverter, and be converted to no-output pattern by slave mode, now the output current of all the other inverter nodes will increase, and the voltage and current signal of renewal sends to other to make it synchronous with self from machine by main frame.
The method of work of above-mentioned inverter group, wherein, when the inverter as main frame in inverter group makes a mistake, shutoff exports and exits inverter group by this inverter, what this inverter was associated will all stop exporting from machine, again wait for that new main frame adds, and again realize synchronism output according to the main frame after newly adding.
Compared with the prior art, beneficial effect of the present invention is:
Make full use of wireless chip and realize master slave control, dispose simple, parallel system identifies foundation automatically, and when making mistake appears in single inverter, all the other inverters still can set up parallel system, continues to provide synchronism output to load; Adopt wireless communication transmissions mode, undesired signal line, make the deployment of whole output network relatively easy, be convenient to implement.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is that wireless synchronization output type of the present invention can the structural representation of shunt chopper;
Fig. 2 be wireless synchronization output type of the present invention can shunt chopper group multi-machine parallel connection topology schematic diagram;
Fig. 3 is that wireless synchronization output type of the present invention can the schematic flow sheet of shunt chopper group method of work.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
With reference to shown in Fig. 1, wireless synchronization output type of the present invention can have direct-flow input end and ac output end by shunt chopper, comprise inversion control chip U0, wireless transmitter receiver device, inversion full-bridge circuit, full bridge rectifier, wireless transmitter receiver device, inversion full-bridge circuit, full bridge rectifier is connected with inversion control chip U0 respectively, full bridge rectifier is connected external loading by resonant circuit with filter capacitor, resonant circuit is made up of electric capacity parallel with one another and instrument transformer, after full bridge rectifier, inversion control chip U0 is inputed to as Current Control after the output current of ac output end is gathered by instrument transformer, inversion full-bridge circuit U0 is located between resonant circuit and external loading.J1 place and NRF24L01 chip interface, M1, M2, M3, M4 are four field effect transistor composition inversion full-bridge circuits, and U1, U2, U3, U4 are the drive circuit of four field pipes, because single-chip microcomputer U0 control chip out cannot Direct driver field pipe.C1 is output filter capacitor, and T1 is output end current instrument transformer, and D1, D2, D3, D4 form full bridge rectifier, inputs to single-chip microcomputer do Current Control by instrument transformer after being gathered by output end current through full-bridge rectification.
With reference to the multi-machine parallel connection topology signal of inverter group shown in Fig. 2, the output of each inverter is connected on load line, workflow is generally: any single inverter start in inverter group powers on, and this inverter is in slave mode and search main frame around; If search main frame, then this inverter enters slave mode, the AC output voltage that should be transmitted by Receiving Host from machine, the amplitude of electric current, phase information, and synchronism output; If do not search main frame, then this inverter enters host mode, self alternating current output information is sent by wireless transmitter receiver device, then this inverter self will be converted to host mode output AC electricity by slave mode, and the voltage of self AC output is sent in real time by wireless transmitter receiver device, the amplitude of electric current and phase information, like this when next inverter is in slave mode, just can search this main frame and synchronism output with it; All the other inverters in inverter group are started shooting successively and are powered on, and repeat above-mentioned steps, until all inverters in inverter group all power on complete.
With reference to Fig. 3, when parallel inverter group exports as Fig. 2 normally works, suppose that 1. number machine is main frame, all the other are from machine.When single inverter makes a mistake, following two kinds of situations will be had: first, protect (as under-voltage in input direct-current DC from machine, overvoltage, or overcurrent) then from machine, shutoff is exported, this inverter is converted to no-output pattern by slave mode, and now in shunt chopper group system, the output current of all the other inverter nodes will increase, and the voltage and current signal of renewal sends to and makes it synchronous with self from machine by main frame; The second, main frame is protected, if 1. a number main frame is protected, turns off and exports and exit parallel system, then all the other will all stop exporting from machine, again wait for new main frame, and again realize synchronism output according to this main frame.
In the preferred embodiments of the present invention, the wireless transmitter receiver device chip adopted is NRF24L01, this chip is the monolithic wireless transceiver chip being operated in the ISM band of 2.4GHz ~ 2.5GHz of being produced by NORDIC, and wherein wireless transceiver comprises frequency generator, enhancement mode " SchockBurst " mode controller, power amplifier, crystal oscillator, modulator and demodulator etc.
During inverter electrifying startup, U0 powers on, and to arrange NRF24L01 wireless chip by J1 be receiving mode, and inverter self is in slave mode.After receiving the synchronizing signal that main frame sends over, U0 will drive M1, M2, M3, M4 according to this signal, and by the 19 pin examinations electric currents of U0, thus accomplish current-sharing.If U0 does not detect there is main frame around, it is sending mode that U0 will arrange NRF24L01, and inverter self is in host mode, and U0 drives M1, M2, M3, M4 according to the initial value of oneself and sends to other from machine by NRF24L01 this drive singal.
As can be seen from above-described embodiment, advantage of the present invention is:
The present invention uses wireless communication module, by setting up master-slave mode parallel network, main frame sends self output voltage in real time, the phase-amplitude signal of electric current is given from machine, also realize with the synchronous of main frame from machine Received signal strength and then export, and wireless parallel-type converter undesired signal line, makes the deployment of whole output network relatively easy, is convenient to implement.
Be described in detail specific embodiments of the invention above, but the present invention is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications and substitute also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (7)
1. a wireless synchronization output type can shunt chopper, there is direct-flow input end and ac output end, it is characterized in that, comprise inversion control chip, wireless transmitter receiver device, inversion full-bridge circuit, full bridge rectifier, described wireless transmitter receiver device, described inversion full-bridge circuit, described full bridge rectifier is connected with described inversion control chip respectively, described full bridge rectifier is connected external loading by resonant circuit with filter capacitor, described resonant circuit is made up of electric capacity parallel with one another and instrument transformer, the output current of described ac output end by inputing to described inversion control chip as Current Control after described full bridge rectifier after described instrument transformer collection, described inversion full-bridge circuit is located between described resonant circuit and external loading.
2. wireless synchronization output type can shunt chopper according to claim 1, and it is characterized in that, described wireless transmitter receiver device working frequency range is 2.4GHz.
3. wireless synchronization output type can shunt chopper according to claim 1, and it is characterized in that, described inversion full-bridge circuit is made up of four field effect transistor, and each described field effect transistor is respectively with respective drive circuit.
4. an inverter group, is characterized in that, by multiple wireless synchronization output type as described in claim 1 or 2 or 3 can shunt chopper be parallel with one another forms.
5. a method of work for inverter group, realizes based on inverter group as claimed in claim 4, it is characterized in that, comprise the following steps:
Any single inverter start in inverter group powers on, and this inverter is in slave mode and search main frame around; If search main frame, then this inverter enters slave mode, Receiving Host transmission alternating current output information and synchronism output; If do not search main frame, then this inverter enters host mode, sends self alternating current output information by wireless transmitter receiver device;
All the other inverters in inverter group are started shooting successively and are powered on, and repeat above-mentioned steps, until all inverters in inverter group all power on complete.
6. the method for work of inverter group according to claim 5, it is characterized in that, when the inverter of any separate unit non-host in inverter group makes a mistake, shutoff exports by this inverter, and be converted to no-output pattern by slave mode, now the output current of all the other inverter nodes will increase, and the voltage and current signal of renewal sends to other to make it synchronous with self from machine by main frame.
7. the method for work of inverter group according to claim 5, it is characterized in that, when the inverter as main frame in inverter group makes a mistake, shutoff exports and exits inverter group by this inverter, what this inverter was associated will all stop exporting from machine, again wait for that new main frame adds, and again realize synchronism output according to the main frame after newly adding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576527.4A CN104660085A (en) | 2013-11-18 | 2013-11-18 | Wireless synchronous output parallel inverter, inverter set and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576527.4A CN104660085A (en) | 2013-11-18 | 2013-11-18 | Wireless synchronous output parallel inverter, inverter set and operating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104660085A true CN104660085A (en) | 2015-05-27 |
Family
ID=53250869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310576527.4A Pending CN104660085A (en) | 2013-11-18 | 2013-11-18 | Wireless synchronous output parallel inverter, inverter set and operating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104660085A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746936A (en) * | 2018-08-23 | 2018-11-06 | 隆鑫通用动力股份有限公司 | Welder system |
| CN109728606A (en) * | 2019-03-07 | 2019-05-07 | 苏州科技大学 | A kind of minitype gas dynamotor based on wireless communication and machine operation method |
| CN109742811A (en) * | 2019-02-28 | 2019-05-10 | 苏州科技大学 | A kind of minitype gas dynamotor based on Phototube Coupling and machine operation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346800B1 (en) * | 1999-02-24 | 2002-02-12 | Canon Kabushiki Kaisha | Power supply device and fixing device operating with the power supply device |
| CN1719687A (en) * | 2005-07-08 | 2006-01-11 | 浙江大学 | Automatic master-slave parallel apparatus for inverter |
| CN102035425A (en) * | 2010-12-28 | 2011-04-27 | 广东易事特电源股份有限公司 | Method for controlling inverter circuit of single-phase grid-connected inverter |
| CN102332729A (en) * | 2011-10-20 | 2012-01-25 | 南通纺织职业技术学院 | Inverter parallel system based on zigbee technology |
| CN102868213A (en) * | 2012-09-14 | 2013-01-09 | 纽福克斯光电科技（上海）有限公司 | Non-delay synchronous switching circuit and method of standby uninterruptible power supply |
| CN103238259A (en) * | 2010-10-05 | 2013-08-07 | 艾利肯获取有限公司 | High voltage energy harvesting and conversion renewable energy utility size electric power systems and visual monitoring and control systems for said systems |
| CN103280999A (en) * | 2013-04-24 | 2013-09-04 | 浙江大学 | Multi-module inverter wired parallel digital control method |
| CN203675002U (en) * | 2013-11-18 | 2014-06-25 | 华东理工大学 | Wireless synchronous output type parallelable inverter and inverter group |
-
2013
- 2013-11-18 CN CN201310576527.4A patent/CN104660085A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346800B1 (en) * | 1999-02-24 | 2002-02-12 | Canon Kabushiki Kaisha | Power supply device and fixing device operating with the power supply device |
| CN1719687A (en) * | 2005-07-08 | 2006-01-11 | 浙江大学 | Automatic master-slave parallel apparatus for inverter |
| CN103238259A (en) * | 2010-10-05 | 2013-08-07 | 艾利肯获取有限公司 | High voltage energy harvesting and conversion renewable energy utility size electric power systems and visual monitoring and control systems for said systems |
| CN102035425A (en) * | 2010-12-28 | 2011-04-27 | 广东易事特电源股份有限公司 | Method for controlling inverter circuit of single-phase grid-connected inverter |
| CN102332729A (en) * | 2011-10-20 | 2012-01-25 | 南通纺织职业技术学院 | Inverter parallel system based on zigbee technology |
| CN102868213A (en) * | 2012-09-14 | 2013-01-09 | 纽福克斯光电科技（上海）有限公司 | Non-delay synchronous switching circuit and method of standby uninterruptible power supply |
| CN103280999A (en) * | 2013-04-24 | 2013-09-04 | 浙江大学 | Multi-module inverter wired parallel digital control method |
| CN203675002U (en) * | 2013-11-18 | 2014-06-25 | 华东理工大学 | Wireless synchronous output type parallelable inverter and inverter group |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746936A (en) * | 2018-08-23 | 2018-11-06 | 隆鑫通用动力股份有限公司 | Welder system |
| CN109742811A (en) * | 2019-02-28 | 2019-05-10 | 苏州科技大学 | A kind of minitype gas dynamotor based on Phototube Coupling and machine operation method |
| CN109728606A (en) * | 2019-03-07 | 2019-05-07 | 苏州科技大学 | A kind of minitype gas dynamotor based on wireless communication and machine operation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107618388B (en) | Wireless charging system of electric automobile | |
| CN201846091U (en) | Full numerical control three-phrase solar photovoltaic grid-connected inverter | |
| CN102291014A (en) | Alternating-current chopping-full-bridge rectification AC-DC (alternating current-to-direct current) converter | |
| CN104660085A (en) | Wireless synchronous output parallel inverter, inverter set and operating method | |
| CN203933434U (en) | The photovoltaic miniature inverter of two flyback resonance | |
| CN105897306B (en) | The combined communications system and its composite communication mode of Miniature inverter based on PLC/ZigBee | |
| CN106100345A (en) | Bilateral T S compensation topology and characteristic parameter matching method for wireless power transmission | |
| CN202721469U (en) | Direct-current charger of electric automobile | |
| CN203675002U (en) | Wireless synchronous output type parallelable inverter and inverter group | |
| CN108539782A (en) | A kind of photovoltaic generating system | |
| CN203491708U (en) | AC-DC intelligent allocating energy-storage current commutation apparatus | |
| CN104393610A (en) | PCS system and apparatus | |
| CN110492747B (en) | Wireless power transmission inversion source based on resonant dc-dc converter | |
| Asa et al. | A novel bi-directional ac/dc-dc/ac wireless power transfer system for grid support applications | |
| CN207166798U (en) | The control device of series resonance medium frequency heating power source | |
| CN105098816A (en) | High voltage direct current transmission system and control method thereof | |
| CN102611319A (en) | Non-symmetrical bidirectional direct-current converter | |
| CN104682528A (en) | Wind/solar hybrid generation and wireless power transmission combined electric car charging system | |
| CN202503443U (en) | Asymmetrical bidirectional direct current transformer | |
| CN207241475U (en) | A kind of wireless charging system for electric automobile | |
| CN214255869U (en) | Relay coil type multi-load wireless power transmission system with constant output characteristic | |
| CN111585299B (en) | Direct current energy router and control method thereof | |
| CN106712315A (en) | Control method of inversion circuit and electrical energy transformation device | |
| CN102291015A (en) | Uncontrolled rectification-direct-current push-pull inversion AC-DC (alternating current-to-direct current) converter | |
| CN107302210A (en) | A kind of dynamic low-voltage protection method of photovoltaic DC-to-AC converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150527 |
|
| RJ01 | Rejection of invention patent application after publication |