CN202046767U - Elevator direct-current microgrid energy management system - Google Patents
Elevator direct-current microgrid energy management system Download PDFInfo
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- CN202046767U CN202046767U CN2011200843057U CN201120084305U CN202046767U CN 202046767 U CN202046767 U CN 202046767U CN 2011200843057 U CN2011200843057 U CN 2011200843057U CN 201120084305 U CN201120084305 U CN 201120084305U CN 202046767 U CN202046767 U CN 202046767U
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Abstract
The utility model discloses an elevator direct-current microgrid energy management system, comprising a direct-current microgrid and a management control device. The direct-current microgrid comprises a permanent-magnet synchronous motor, a dual PWM current transformer, a photovoltaic component, an accumulator, a photovoltaic controller, a power network and a bidirectional DC/DC controller. The dual PWM current transformer with a bidirectional power circuit comprises a PWM current transformer at the motor side and a PWM current transformer at the power network side. The two PWM current transformers are connected via a direct-current bus. One terminal of the bidirectional DC/DC controller is connected with the accumulator, and the other terminal is connected with the direct-current bus. One terminal of the photovoltaic controller is connected with the photovoltaic component, and the other end is connected with the direct-current bus. The management control device comprises an energy manager, a management computer and a human-machine control interface which are combined in a systematic manner. The direct-current microgrid and the management control device are connected via a wireless sensor. By adopting such a technical scheme, elevators can be powered by various energy sources which are properly allotted, energy management is appropriately adjusted via the wireless network, and energy sources are bettered allotted and dispatched.
Description
Technical field
The utility model relates to a kind of energy management system, relates in particular to a kind of elevator direct current microgrid energy management system.
Background technology
Adopt in the converter technique driven vertical passenger elevator operational process, have two special mode of operations: underloading is up and heavily loaded descending.Under these two special operation conditions, the actual brake power generating state that is in of the motor of elevator can produce a certain amount of regenerative electric energy.This part regenerative electric energy because having limited the single-phase of energy, frequency converter flows, so can not feedback be gone into electrical network.For the purposes such as protection to device, in actual applications, this part electric energy adopts input resistance braking resistance heating usually and consumes.Directly adopt the mode of resistance heating, with low cost though technology is simple, resistance heating has not only worsened the working environment of elevator(lift) machine room, and the waste energy.In addition, for keeping the operating temperature of machine room, and adopt air-conditioning temperature-reducing, also with the additive decrementation electric energy.Thereby elevator regenerated energy recovery utilizes technology, becomes the major technique in present elevator energy-saving field.Because elevator regenerated energy is the HVDC electric energy, need to use for other electrical equipment through transforming.At present main method is to be general electric energy with this electric energy inversion, feed-in electrical network or supply with other electrical appliances or the storage that charges a battery.Along with terminal user's new forms of energy are constantly introduced, various grid-connected power generation system interconnection become inevitable, become terminal user's the little electrical network in inside.Because generation of electricity by new energy has characteristics such as unstable and randomness usually, the co-operative control of each power generating system, the overall utilization rate that improves the energy is significant.Because the development of building industry, elevator use amount increase rapidly, to the energy-conservation demand of elevator also in continuous increase.At present occurred using the drive energy of the electric energy of solar energy power generating or wind-power electricity generation, but the reasonable conversion of the various energy also there is not rational technical scheme at present as elevator.
Summary of the invention
Goal of the invention: the purpose of this utility model is at the deficiencies in the prior art, a kind of elevator direct current microgrid energy management system is provided, adopt this system can support elevator to use the various energy resources power supply, and the various energy of reasonable distribution, by wireless sensor network, to carrying out rational management by buret, also can be by ethernet and upper machine communication, the prediction of loading and generate electricity improves the energy and distributes and dispatching effect.
Technical scheme: in order to realize the foregoing invention purpose, the technical scheme that the utility model adopted is:
A kind of elevator direct current microgrid energy management system, comprise direct current microgrid and management and control device, the direct current microgrid comprises permasyn morot, two PWM current transformers, photovoltaic module, storage battery, photovoltaic controller, electrical network and two-way DC/DC controller, having the mobile two PWM current transformers of bidirectional power comprises by dc bus bonded assembly motor side PWM current transformer and grid side PWM current transformer, motor side PWM current transformer is connected with permasyn morot, grid side PWM current transformer is connected with electrical network, two-way DC/DC controller one end connects storage battery, the other end connects dc bus, photovoltaic controller one end connects photovoltaic module, the other end connects dc bus, management and control device comprises the energy manager of organic assembling, supervisory computer and man-machine control interface, direct current microgrid and management and control device are by the wireless senser wireless connections.Has composition direct current microgrid between the two-way DC/DC changer of two PWM current transformers that bidirectional power flows, bidirectional power flow and the photovoltaic controller, they and management and control device are by forming the wireless sensor network based on Zigbee based on wireless senser, can carry out the energy scheduling by management and control device, thereby reach the complementary and optimization of the various energy utilize purpose, also support the access of other new forms of energy.
Described pair of PWM current transformer is provided with TMS320F28335 float-point DSP that is used for co-operative control and the JN5139 chip of realizing the wireless sensor network interface.The wireless sensor network interface that utilizes the JN5139 chip to realize.
Described two-way DC/DC controller is provided with realizes wireless sensor network interface JN5139 chip.The wireless sensor network interface that utilizes the JN5139 chip to realize.
Described photovoltaic controller is provided with realizes wireless sensor network interface JN5139 chip.The wireless sensor network interface that utilizes the JN5139 chip to realize.
Described energy manager is provided with and realizes wireless sensor network interface JN5139 chip, ethernet control chip CP2200 and TMS320F28335 interface.Realized communication, obtained environmental parameters and meteorological predicted data, provide the basis for electric energy uses planning by upper computer with upper computer Socket.
Beneficial effect: the utility model compared with prior art, its beneficial effect is:
1, adopt this system to provide the various energy resources power supply to elevator, and the various energy of reasonable distribution;
2, by forming the direct current microgrid between two-way DC/DC controller with the mobile two PWM current transformers of bidirectional power, bidirectional power flow and the photovoltaic controller, they and management and control device are by the wireless sensor network based on the wireless senser composition, can carry out the energy scheduling by management and control device, also can be by ethernet and upper machine communication, the prediction of loading and generate electricity further improves the energy and distributes and dispatching effect;
3, owing to adopt dc bus, support the access of other new forms of energy.
Description of drawings
Fig. 1 is a block diagram of the present utility model;
Fig. 2 is the management and control device block diagram;
Fig. 3 is the terminal figure of TMS320F28335 chip;
Fig. 4 is the terminal figure of TPS767D301 chip;
Fig. 5 is the terminal figure of 14 pin DIP plug-in units;
Fig. 6 is the terminal figure of CP2200 chip;
Fig. 7 is the schematic diagram of HR911103A;
Fig. 8 is the terminal figure of JN5139 chip;
1, permasyn morot, 2, motor side PWM current transformer, 3, dc bus, 4, grid side PWM current transformer, 5, electrical network, 6, storage battery, 7, two-way DC/DC controller, 8, photovoltaic controller, 9, photovoltaic module, 10, energy manager, 11, supervisory computer, 12, man-machine control interface.
The specific embodiment
Below in conjunction with accompanying drawing, by a most preferred embodiment, technical solutions of the utility model are elaborated, but protection domain of the present utility model is not limited to described embodiment.
As depicted in figs. 1 and 2, a kind of elevator direct current microgrid energy management system, comprise direct current microgrid and management and control device, the direct current microgrid comprises permasyn morot 1, two PWM current transformers 13, photovoltaic module 9, storage battery 6, photovoltaic controller 8, electrical network 5 and two-way DC/DC controller 7, having the mobile two PWM current transformers 13 of bidirectional power comprises by dc bus 3 bonded assembly motor side PWM current transformer 2 and grid side PWM current transformers 4, motor side PWM current transformer 2 is connected with permasyn morot 1, grid side PWM current transformer 4 is connected with electrical network 5, two-way DC/DC controller 7 one ends connect storage battery 6, the other end connects dc bus 3, photovoltaic controller 8 one ends connect photovoltaic module 9, the other end connects dc bus 3, management and control device comprises the energy manager 10 of organic assembling, supervisory computer 11 and man-machine control interface 12, the direct current microgrid is connected by wireless senser with management and control device, described pair of PWM current transformer 13 is provided with TMS320F28335 float-point DSP that is used for co-operative control and the JN5139 chip of realizing the wireless sensor network interface, described two-way DC/DC controller 7 is provided with realizes wireless sensor network interface JN5139 chip, described photovoltaic controller 8 is provided with realizes that wireless sensor network interface JN5139 chip, described energy manager 10 are provided with realization wireless sensor network interface JN5139 chip, ethernet control chip CP2200 and TMS320F28335 interface.
Motor side PWM current transformer 2 and grid side PWM current transformer 4 have the bidirectional power flow characteristic, both can be operated in collating condition, also can be operated in inverter mode, its modulation system adopts space vector modulation (SVM), they form two PWM current transformers of motor, and has a wireless sensor network interface, two PWM current transformers 13 are by the unified control of TMS320F28335DSP, its objective is the unified power P s that gathers motor side PWM current transformer 2, the power P of grid side PWM current transformer 4 and dc bus 3 are injected into the power P D of two PWM current transformers 13, be convenient to the balance of two above-mentioned three kinds of power of PWM current transformer 13 co-operative controls like this, to improve the stable of bidirectional power flows between electrical network 5 and the permasyn morot 1 speed of response and dc bus 3 voltages.Storage battery 6 can also can absorb energy from dc bus 3 and charge by two-way DC/DC controller 7 to dc bus 3 power supplies.Photovoltaic module 9 also can be to dc bus 3 power supplies by photovoltaic controller 8.In all patterns and under the situation that electrical network 5 does not cut off the power supply, grid side PWM current transformer 4 all participates in work, realizes energy equilibrium, operates in rectification state when energy shortage, absorbs energy from electrical network; Operate in inverter mode when energy is unnecessary, energy is fed back to electrical network 5.Energy manager 10 is cores of this system, and its control is coordinated to carry out by wireless sensor network, and it has wireless telecommunications and ethernet communication interface except that managing wireless sensing device network, can be connected with upper computer, receives higher level management and dispatching.
Dsp chip U1 adopts TMS320F28335 chip shown in Figure 3, the signal of handling through DSP U1 outputs to wireless sensor chip U6 by its UART mouth, wireless sensor chip U6 adopts the JN5139 chip, and signal transmits by transmit receive antenna through the processing of wireless chip U6.Transmit receive antenna receives the signal from other sensor nodes simultaneously.U1 passes through IO mouth and ethernet control chip intercommunication, and by RJ45 interface and upper machine communication.
Power supply chip U2 adopts TPS767D301 shown in Figure 4, the 5V power source conversion is become 3.3V and the 1.9V and the VREF (Voltage Reference) of DSP needs.Jtag interface U3 adopts 14 pin DIP plug-in units shown in Figure 5, connects DSP debugging interface and emulator respectively.
Ethernet control chip U4 adopts CP2200 shown in Figure 6, and it lacks than the ethernet control chip pin that uses in traditional microcomputer, and line is convenient.Wherein AD0～AD7 is the data transmission interface of ethernet and DSP, adopts the parallel communication mode, improves speed of transmission.INT, RD, WR are U4 control pin, link to each other with the IO pin of DSP.RX+, RX-, TX+, TX-are respectively the ethernet reception and send pin, link to each other with the RJ45 interface pin.The RJ45 mouthpiece adopts HR911103A as shown in Figure 7, embedded isolating transformer and LED light, and GLEDA and YLEDA are respectively the LED control interface, link to each other with DSP IO pin.
U6 is a wireless sensor chip, and master chip adopts JN5139 shown in Figure 8.J5 is a debugging interface, and DIO6 links to each other with U6 corresponding I pin with DIO7, and GPIO22, GPIO23 link to each other with the UART pin of DSP, and the wireless sensor network sensor node data is sent to DSP, for handling and sending to upper computer.
Claims (5)
1. elevator direct current microgrid energy management system, it is characterized in that: comprise direct current microgrid and management and control device, the direct current microgrid comprises permasyn morot (1), two PWM current transformers (13), photovoltaic module (9), storage battery (6), photovoltaic controller (8), electrical network (5) and two-way DC/DC controller (7), having the mobile two PWM current transformers (13) of bidirectional power comprises by dc bus (3) bonded assembly motor side PWM current transformer (2) and grid side PWM current transformer (4), motor side PWM current transformer (2) is connected with permasyn morot (1), grid side PWM current transformer (4) is connected with electrical network (5), two-way DC/DC controller (7) one ends connect storage battery (6), the other end connects dc bus (3), photovoltaic controller (8) one ends connect photovoltaic module (9), the other end connects dc bus (3), management and control device comprises the energy manager (10) of organic assembling, supervisory computer (11) and man-machine control interface (12), the direct current microgrid is connected by wireless senser with management and control device.
2. elevator direct current microgrid energy management system according to claim 1 is characterized in that: described pair of PWM current transformer (13) is provided with TMS320F28335 float-point DSP that is used for co-operative control and the JN5139 chip of realizing the wireless sensor network interface.
3. elevator direct current microgrid energy management system according to claim 1 is characterized in that: described two-way DC/DC controller (7) is provided with realizes wireless sensor network interface JN5139 chip.
4. according to the described elevator direct current of claim 1 microgrid energy management system, it is characterized in that: described photovoltaic controller (8) is provided with realizes wireless sensor network interface JN5139 chip.
5. according to the described elevator direct current of claim 1 microgrid energy management system, it is characterized in that: described energy manager (10) is provided with and realizes wireless sensor network interface JN5139 chip, ethernet control chip CP2200 and TMS320F28335 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200843057U CN202046767U (en) | 2011-03-28 | 2011-03-28 | Elevator direct-current microgrid energy management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200843057U CN202046767U (en) | 2011-03-28 | 2011-03-28 | Elevator direct-current microgrid energy management system |
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| CN202046767U true CN202046767U (en) | 2011-11-23 |
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| CN2011200843057U Expired - Fee Related CN202046767U (en) | 2011-03-28 | 2011-03-28 | Elevator direct-current microgrid energy management system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205920A (en) * | 2011-03-28 | 2011-10-05 | 江苏通用电梯有限公司 | Energy management system based on wireless sensor network for elevator direct-current microgrid |
| CN104836308A (en) * | 2015-05-28 | 2015-08-12 | 何琼 | Solar energy elevator control system and method |
| CN104925597A (en) * | 2015-06-23 | 2015-09-23 | 苏州工业园区设计研究院股份有限公司 | Elevator colony electric energy dispatching device and method based on direct-current microgrid |
-
2011
- 2011-03-28 CN CN2011200843057U patent/CN202046767U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205920A (en) * | 2011-03-28 | 2011-10-05 | 江苏通用电梯有限公司 | Energy management system based on wireless sensor network for elevator direct-current microgrid |
| CN104836308A (en) * | 2015-05-28 | 2015-08-12 | 何琼 | Solar energy elevator control system and method |
| CN104925597A (en) * | 2015-06-23 | 2015-09-23 | 苏州工业园区设计研究院股份有限公司 | Elevator colony electric energy dispatching device and method based on direct-current microgrid |
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| 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: 20111123 Termination date: 20160328 |