CN203747414U - System grid-connected inverter and displayer - Google Patents
System grid-connected inverter and displayer Download PDFInfo
- Publication number
- CN203747414U CN203747414U CN201420131409.2U CN201420131409U CN203747414U CN 203747414 U CN203747414 U CN 203747414U CN 201420131409 U CN201420131409 U CN 201420131409U CN 203747414 U CN203747414 U CN 203747414U
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- display
- socket
- combining inverter
- alternating current
- system combining
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Abstract
The utility model provides a system grid-connected inverter and a displayer. A system grid-connected inverter (1), by which direct current is transformed into alternating current and then superposed into a system (5), comprises a switching circuit (6) which switches the alternating current to be at least superposed into the system (5) or provides the alternating current to any loaded party. Control for performing operation and information displaying the state of the system (5) at least in characters or designated symbols and operation information are formed by a displayer (9). A socket (10) is arranged in a way of being corresponding to the characters or the designated symbols of the displayer (9). When the state information of the system (5) indicates that the system (5) is in the power-off state, the alternating current can be provided for the socket (10) from the switching circuit (6) in a way of being corresponding to operation of control for performing operation.
Description
Technical field
The utility model relates to and direct current is transformed to alternating current and the system combining inverter of the system that is added to, and relating to commutation circuit when this inverter arrives individual operation provides the formation of alternating current to direct load.
Background technology
The general system combining inverter towards family arranges and switches the switch (referring to Patent Document 1) that makes alternating current be added to system or directly export to load.
Patent documentation
2000-No. 253585 communiques of patent documentation 1:JP JP
Power converter, off-the-line contact maker, community branch circuit and community branch circuit socket in patent documentation 1, have been recorded, power converter is transformed to interchange using the direct current of the solar cell input from as DC power supply, when system is grid-connected, alternating current is exported to source power supply, when system is separated, alternating current is exported to community branch circuit 16.Off-the-line contact maker is for decentralized power s being connected with source power supply and the contact maker of off-the-line, being controlled by the grid-connected protective device of system.
In addition, the grid-connected protective device of system is being transfused to when being located at the voltage sensor of transducer portion and the signal of current sensor, and the control signal of power converter is controlled in output.In addition; recorded: the grid-connected protective device of system is surveyed the power failure of frequency anomaly and electric voltage exception or source power supply in the system of decentralized power s by the voltage signal from transducer portion and current signal; by controlling off-the-line contact maker based on this, decentralized power s is cut off from source power supply; make power converter stop the interchange output to source power supply, when the system that confirms is separated, give instruction so that power converter recovers output to community branch circuit.
; patent documentation 1 discloses: when system (source power supply) occurs to have a power failure, control commutation circuit (off-the-line contact maker and community branch circuit), from socket (community branch circuit socket), the generating output of solar cell is offered to load; but in such system; user does not know when commutation circuit is switched; the load meeting being connected with this socket occurs moving bad because the output of solar cell is not enough, or can cause the locking state that poor starting causes in the load of motor, compressor reducer etc.
Utility model content
The utility model proposes in view of this point, and object is to provide easily by user switches system combining inverter or the display with the judgement of the load of carrying out being connected with socket arbitrarily.
In order to reach above-mentioned purpose, system combining inverter of the present utility model is in being transformed into direct current the system combining inverter of alternating current the system that is added to, have and switch the described alternating current described system that is at least added to, still offer the commutation circuit of any one party of direct load, display is configured to the control that can turn round, and be configured at least and can show with word or specific symbol the information of state and the information of described running of described system, socket is established corresponding to the described word of described display or specific symbol, when the information of the state of described system represents the state of power failure of system, can from described commutation circuit, to described socket, provide described alternating current corresponding to the operation of carrying out the control of described running.
In addition, in order to reach above-mentioned purpose, display of the present utility model is separated with the system combining inverter that direct current is transformed into alternating current the system that is added to and arrange, and there is the socket that described alternating current can be offered to load and form, described display can be exported the signal of the running of controlling described system combining inverter, and can at least with word or specific symbol, show the information of operating condition of described system combining inverter or the information of the state of described system, when the information of the state of described system represents the state of power failure of system, with described signal, described alternating current is provided to described socket, demonstration can provide alternating current such information from this socket to described load.
In addition, in order to reach above-mentioned purpose, other system combining inverter of the present utility model possesses: D/A converter, and it is transformed into alternating current by direct current; And commutation circuit, its switching is that described alternating current is offered to system, or described alternating current is offered to the load cutting off with described system, wherein said system combining inverter possesses: and socket, it is provided described alternating current, is connected with described load; Display, it at least shows the information of the operating condition of described system combining inverter or the state of described system with word or specific symbol; And operating portion, the basket that it is located at described display or configures described socket, for carrying out the switching of described commutation circuit, described display is configured to can be in the contiguous dismounting of the described socket of described basket.
The effect of utility model
The utility model can confirm that the information of the state of system operates commutation circuit at display, thereby easily starts from being located at the socket of this display to the supply of load.
Accompanying drawing explanation
Fig. 1 is that explanation represents the system combining inverter of embodiment 1 of the present utility model and the key diagram of display.
Fig. 2 is the display of embodiment 2 of the present utility model and the stereogram of socket.
The explanation of label
1 system combining inverter
2 DC power supply
3 booster circuits
4 D/A converters
5 systems
6 commutation circuits
7 disclose seat
8 control parts
13 control parts
9,21 displays
10,20 sockets
11 display parts
12 transmitting elements
30 baskets
31 configuration sections
32 supports
33 charging terminals
Embodiment
In Fig. 1, the 1st, system combining inverter, will be from DC power supply 2 (solar cell, fuel cell, storage battery etc., also can be the output transform of the alternating current generators such as wind power generation or geothermal power generation to be become to direct current and the electric power that obtains) direct current with booster circuit 3, boost after, with D/A converter (DC/AC inverter) 4, be transformed to the alternating current of the frequency of synchronizeing with system 5 and the system 5 that is added to.
Booster circuit 3 is that direct voltage is boosted to by D/A converter 4 the be added to structure of system 5 needed voltages of alternating current, the mode of D/A converter 4 due in the situation that generate alternating current centered by 1/2 magnitude of voltage of voltage after boosting, generate alternating current (conversion of dipole-type) centered by 0 volt of voltage, the inferior scope of boosting of situation of alternating current that generates notch cuttype is different, therefore coordinates the mode of conversion suitably to set.
In addition, in the situation that DC power supply 2 changes corresponding to sunshine amount as solar cell, can also add the Optimal Control function that makes solar cell become best energy output to change amount of boost.In addition, general so long as voltage-type, D/A converter 4 just can make alternating current based on virtual sine wave by having used the filter circuit of reactor to remove high fdrequency component, thereby is transformed into common alternating current.
The 6th, commutation circuit, has and switches with the contact pin 6a being connected of contact 6b/ contact 6c and often open contact pin 6b, controls the mobile of the alternating current exported from D/A converter 4 between D/A converter 4 and 5 of systems.Often opening that contact pin 6b is closed, contact pin 6a is while being positioned at contact 6b side, from the alternating current of the D/A converter 4 outputs system 5 that is added to, when contact pin 6a is positioned at contact 6c side, from the alternating current of D/A converter 4 outputs, offers socket 7.AC load below given power consumption can be connected to socket 7.
The 8th, control part, controls the action of booster circuit 3, D/A converter 4, commutation circuit 6 etc.In this control, comprise and carry out the starting/stopping of system combining inverter, the detection of the state of system 5
The function that the common runnings such as (detection of the detection of power failure, the individual operation of this inverter etc.), contact pin 6a switch are controlled etc.
The 9th, display, is arranged on the arbitrarily position separated with system combining inverter 1, at least has the display part 11 of socket 10 and liquid crystal.Socket 10 is connected with the socket 7 of system combining inverter 1, is provided alternating current simultaneously, thereby can connects load when socket 7 is provided electric power.That is, commutation circuit 6 often open that contact pin 6d is closed, contact pin 6a is while being positioned at contact 6c side, from the alternating current of D/A converter 4 outputs, offers socket 10.
The state of the running of the system combining inverter 1 of commutation circuit 6 when this state, system 5 in power down mode or system combining inverter 1 during in individual operation state, while being the restarting after control part 8 shuts down automatically, judge once again this power down mode, carry out the operation of commutation circuit 6, the state of the conversion of the output of beginning DC power supply 1 (for example solar cell).Be control part 8 in the situation that have the operation of the switch that system combining inverter 1 possesses or carry out this restarting from the external signal of display etc., recover the state of described conversion.
In addition, when the switching of commutation circuit 6, can also be configured to and not carry out restarting and switch commutation circuit 6, at this moment as long as carry out the coupling of circuit when the action of commutation circuit 6.
At display 9, socket 10 is located at the side of display part 11.When providing alternating current to socket 10, at display part, carry out that the expressions such as " can use ", " can utilize ", " can utilize socket " provide alternating current to socket 10 and be the demonstration 11a of the meaning that can connect the state of load.In addition, this demonstration also can be replaced into the specific symbol demonstration of sign and the demonstration equivalence based on these words.
Socket 10 is established with showing that 11a is corresponding, but the position of socket 10 is not limited to the position on the display 9 shown in Fig. 1, so long as can be according to the position that shows that 11a or demonstration 11b find.
The demonstration of display part 11 also further shows the demonstration 11b (such as " target to zero zero W " etc.) of target of the power consumption of the load being connected with socket 10 in the lump.
If for example DC power supply 2 is solar cells, this order target value is following value: successively receive and store from transmitting element 12, send from the be added to information of electric power amount of system 5 of system combining inverter 1, electric power amount the characteristic obtaining according to the variation between a few days in past and commutation circuit 6 are switched is tried to achieve each estimated value constantly, to making the value that this estimated value obtains with given allowance, further carry out for example revisal based on sunshine amount, try to achieve thus above-mentioned order target value, or, also dummy load can be set separately outside the load that is connected to socket 10, change the value of this dummy load, energy output when always making solar cell carry out best action is asked for above-mentioned order target value, but be not limited to these calculation methods.
In addition, can also carry out revisal by the size that current sensor etc. is surveyed the load being connected with socket 7.In addition, if specifically show in the scope close to the electric power amount that can provide to load from socket 10 in the electric power amount of load consumption, user can confirm to reduce or increase load to it.This can be also reporting based on sound.
The control part 13 of transmitting element 12 for example with wired mode can with the control part 8 of system combining inverter 1 carry out signal transmitting-receiving be connected, be configured to energy output in the time of sending from the best action of the solar cell that control parts 8 control to display 9, comprise the information of the operating condition of the power consumption amount of the load being connected with socket 7 or the state of commutation circuit 6 etc.
In addition, if be configured to, use the holding wire of other setting or the power line of the power line based on socket 7 is connected with socket 10 to transport display 9 can be communicated by letter by twocoueses with transmitting element 12, can realize via transmitting element 12 via the operation signal of display 9 (external signal) is directly sent to control part 8 and reception information.
In addition, if be configured to the amount that control part 8 can detect the alternating current of the system that offers 5, yet can be configured to, via transmitting element 12, information be directly sent to display 9.
In addition, if be presented at the demonstration 11b of display part 11, be that DC power supply 2 controls galvanic outputs such as fuel cells for the demonstration of value arbitrarily, based on this, be worth arbitrarily to control.In addition, transmitting element 12 has the current sensor 12a (current transformer etc.) of the electric current that detects the alternating current that offers system 5 and detects voltage sensor 12b, the 12c of the voltage of current sensor 12a, by control part 13, based on this detected electric current and voltage, asks for electric power.
Display 9 has and switches the be added to general function of accumulated value, current value etc. of electric power of system of display system combining inverter 1, and further possess by the operation signal (external signal) that makes system combining inverter 1 starting (restarting) via transmitting element 12 via or be directly sent to the function of control part 8, this operation signal sends by console switch (not shown) or the switch 11c that is located at the contact panel on display part 11.
When the control part 8 of system combining inverter 1 is judged as the power failure of system 5 or the individual operation of system combining inverter 1, this control part 8 shuts down.; the contact pin 6d that often opens of commutation circuit 6 disconnects; stop the action of booster circuit 3 and D/A converter 4, control part 8 by the state of the running of characterization system combining inverter 1 for having a power failure or individual operation arrives the information of the meaning while stopping, via transmitting element 12 or directly send to display 9.
In addition, being configured to display 9 regular visit transmitting elements 12 or control part 8 obtains this information and also can play same effect.
Display 9 is when obtaining the information that such expression stops, at display part 11, carry out the demonstration of the power failure of expression system 5 or the individual operation of system combining inverter 1, such as the demonstration of carrying out " power failure/individual operation " etc., show the switch 11c that represents restarting, make on contact panel, to operate this switch.
In operation when success of switch 11c, display 9 by operation signal (external signal) via transmitting element 12 or directly send to control part 8.When control part 8 receives this operation signal, operation commutation circuit 6 is switched to contact 6c side by contact pin 6a, and closure is often opened contact pin 6d, makes afterwards booster circuit 3 and 4 actions of D/A converter that alternating current is offered to socket 10.
Display 9, when receiving the signal of expression energy restarting output AC electricity from control part 8, or shows 11a and the demonstration that shows 11b when detecting with voltage sensor etc. the alternating current that offers socket 10, can to load, provide electric power from socket 10.
[embodiment 21
In embodiment 1, at display 9, socket 10 is set, but also can be configured to display separated with socket, can be at the contiguous dismounting display of socket.In embodiment 2, narrate such system combining inverter 1 that makes display 21 and socket 20 splits.
Stereogram when Fig. 2 (a) is illustrated in the neighbor configuration display 21 of socket 20.At Fig. 2 (b), the stereogram while pulling down display 21 from the vicinity of socket 20 is shown.At the basket 30 that has configured socket 20, with the configuration position of socket 20 be adjacent to arrange can dismounting display 21 configuration section 31 (configuration space).When the configuration section 31 configuration display 21 (installation) of this basket 30, by being located at the hook-shaped support 32 of configuration section 31, support display 21, prevent that display 21 from unexpectedly falling from configuration section 31.
Display 21 is built-in for driving its storage battery, so that also can operate when pulling down.In addition, as shown in Fig. 2 (b), possess the charging terminal 33 that charging power is provided for the storage battery to display 21 at basket 30, being configured to can be to display 21 charging when display 21 is configured in to basket 30.
To this charging terminal 33, the electric power of the electric power that provides to socket 20, system 5 is provided or uses electric power of the DC power supply 2 that the electrical distribution paths different from socket 20 provide etc., charging power utilization that can be using them as display 21.In addition, for also can be configured in any one of display 21, basket 30 to the charging circuit of the charge in batteries of display 21.In addition, also can optionally utilize above-mentioned electric power as charging power.
If utilize the electric power that offers socket 20, owing to directly utilizing to the wiring of socket 20, therefore wiring becomes compact.In addition, in the situation that utilize the electric power of system 5 also can utilize at night, in the situation that the electric power of the DC power supply 2 providing by the electrical distribution paths different from socket 20 is provided, need not has a power failure and also can carry out.
Display 21 both can utilize the display of system combining inverter 1 special use, also can utilize at the portable terminal device mounting software of plate personal computer, portable phone etc.
Display 21 is being configured under the contiguous state (being arranged on the state of socket 20) of socket 20, at the information of operating condition, the information of the state of system of socket 20 side display system combining inverters 1, the switch 11c (operating portion) that carries out the operation of system combining inverter.
As shown in Fig. 2 (a), the electric power amount that load consumes, can offer from socket 20 the demonstration 11d of information of the electric power amount of load, in the position (position of similar same distance) that shows the more close socket 20 of 11a, 11c than other, carrying out.In addition, in the situation that thering is a plurality of socket 20, the socket 20 being connected is shown to power consumption amounts, the power consumption amount of the load that can be connected with socket 20 socket 20 demonstrations that are not connected with load with load.
In addition, also can be provided for the communication loop of communicating by letter with display 21 and for detection of the transducer (current sensor, voltage sensor, power sensor etc.) of a plurality of sockets power consumption separately at basket 30, at direct socket 20 (communication loop in basket 30), communicate the information in display 21 demonstration power consumption amounts with 21 of displays.
Display 21 is configured under the state of pulling down from socket 20 (basket 30) (separated state) hides above-mentioned information and switch etc., shows as required.So, can not utilize other software (such as explorer etc.) time to exert an influence at display 21.
In addition, also can make under display 21 state separated with socket 20 (basket 30), the electric power amount consuming in load is close to can offer the electric power amount of load from socket 20 time, from display 21 ring alarms or carry out the demonstration of this meaning.So, user, owing to accepting this alarm in position arbitrarily, therefore can suppress to forget the situation of discovery.
As described above, by the separated display 21 of energy and socket 20, can be at the contiguous dismounting display 21 of socket 20, can carry display 21 and from various places, at display, confirm the information of the state of system, and operate commutation circuit, alternating current is offered to socket 20 from this system combining inverter 1, can easily start the supply from socket 20 to load.
In addition, embodiment 2 be take embodiment 1 as basis, utilizes socket 20 is arranged on from the formation of the position arbitrarily of system combining inverter 1 separation, but also can possess socket 20 at system combining inverter 1.In this case, basket 30 becomes the basket of accommodating D/A converter 4 and commutation circuit 6.
1 execution mode of the present utility model has more than been described, but above explanation is in order easily to understand the utility model, not limit the utility model.The utility model can not depart from its purport to be changed, improves, and in the utility model, comprises its equivalent, and this certainly.
The DC power system that the system combining inverter 1 energy conduct of present embodiment comprises DC power supply 2 etc. is utilized.
Claims (10)
1. a system combining inverter, it is transformed into alternating current and the system that is added to by direct current, and have switch by described alternating current be at least added to described system, still offer the commutation circuit of any one party of direct load,
Display is configured to the control that can turn round, and be configured at least and can show with word or specific symbol the information of state and the information of described running of described system, socket is established corresponding to the described word of described display or specific symbol, when the information of the state of described system represents the state of power failure of system, can from described commutation circuit, to described socket, provide described alternating current corresponding to the operation of carrying out the control of described running.
2. system combining inverter according to claim 1, wherein,
Described display and described system inverter split form.
3. a display, it is separated with the system combining inverter that direct current is transformed into alternating current the system that is added to and arrange, and has the socket that described alternating current can be offered to load and form,
Described display can be exported the signal of the running of controlling described system combining inverter, and can at least with word or specific symbol, show the information of operating condition of described system combining inverter or the information of the state of described system,
When the information of the state of described system represents the state of power failure of system, with described signal, described alternating current is provided to described socket, demonstration can provide alternating current such information from this socket to described load.
4. system combining inverter according to claim 2 or display claimed in claim 3, wherein,
Described display can show can offer from described socket the electric power amount of load.
5. system combining inverter according to claim 4 or display, wherein,
In the scope of the electric power amount that described display can consume in load close to described electric power amount, specifically show.
6. system combining inverter according to claim 4 or display, wherein,
Described electric power is the electric power of the variation of the value in the past of the electric power of the either party based on described direct current or described alternating current at least.
7. a system combining inverter, possesses:
D/A converter, it is transformed into alternating current by direct current; With
Commutation circuit, its switching is that described alternating current is offered to system, or described alternating current is offered to the load cutting off with described system,
Wherein said system combining inverter possesses:
Socket, it is provided described alternating current, and is connected with described load;
Display, it at least shows the information of the operating condition of described system combining inverter or the state of described system with word or specific symbol; With
Operating portion, the basket that it is located at described display or configures described socket, for carrying out the switching of described commutation circuit,
Described display is configured to can be in the contiguous dismounting of the described socket of described basket.
8. system combining inverter according to claim 7, wherein,
Described display is being disposed under the contiguous state of described socket, corresponding to the described socket of described display, shows that electric power amount that described load consumes maybe can be connected to the information of power consumption amount of the load of described socket.
9. according to the system combining inverter described in claim 7 or 8, wherein,
Described system combining inverter is configured to can change in described demonstration and slits and show the position of described information.
10. according to the system combining inverter described in any one in claim 7～9, wherein,
Described display is built-in for driving the storage battery of this display,
Described system combining inverter is configured to and described display is being configured on described basket and can charging to described display.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013058639 | 2013-03-21 | ||
| JP2013-058639 | 2013-03-21 | ||
| JP2014-012963 | 2014-01-28 | ||
| JP2014012963A JP2014207849A (en) | 2013-03-21 | 2014-01-28 | System interconnection inverter and indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747414U true CN203747414U (en) | 2014-07-30 |
Family
ID=51347172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420131409.2U Expired - Fee Related CN203747414U (en) | 2013-03-21 | 2014-03-21 | System grid-connected inverter and displayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747414U (en) |
-
2014
- 2014-03-21 CN CN201420131409.2U patent/CN203747414U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200321 |