CN203513039U - Elevator energy feedback device - Google Patents
Elevator energy feedback device Download PDFInfo
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- CN203513039U CN203513039U CN201320438654.3U CN201320438654U CN203513039U CN 203513039 U CN203513039 U CN 203513039U CN 201320438654 U CN201320438654 U CN 201320438654U CN 203513039 U CN203513039 U CN 203513039U
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- elevator
- energy feedback
- frequency conversion
- controller
- energy
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Abstract
The utility model relates to an elevator energy feedback device which comprises a power grid, an elevator energy feedback system and a variable-frequency controller. The variable-frequency controller is connected with the power grid, the elevator energy feedback system is connected with the variable-frequency controller, and the elevator energy feedback device further comprises an energy feedback unit which is connected with the variable-frequency controller and comprises an inverter, and one end of the inverter is connected with a motor. The elevator energy feedback device has the advantages of being simple in structure, high in reliability, low in manufacturing cost and capable of avoiding harmonic pollution on the power grid when energy is directly fed back to the power grid.
Description
Technical field
The utility model relates to a kind of energy-conserving elevator, especially a kind of novel energy feedback elevator.
Background technology
In the elevator of use, major part is to use the mode of transducer drive motor, and elevator, in operational process, has electric operation and generator operation (also crying running under braking) two states.The mechanical kinetic energy producing when elevator startup reaches highest running speed is also maximum, and will progressively slow down before elevator arrives bed of interest, and the process of this deceleration is exactly the process that elevator discharges mechanical kinetic energy.
Yet, when elevator is during in brake running state, electrical motor generating, the capacitor charging in frequency converter starts electric discharge when charging valtage reaches certain value, and energy-saving device of elevator is converted to electric main by DC current electricity through inversion.The shortcoming of existing elevator is that the control part of energy saver adopts analog quantity to control, and control accuracy is not high, poor stability, cost are better, maintenance and safeguard inconvenience and need and repeatedly safeguard for a long time, and the service life of elevator is shorter.
Utility model content
In view of above-mentioned condition, be necessary to provide one kind kind is rational in infrastructure, control accuracy is high, good stability, the accurate and effective inhibition high order harmonic of system output phase, speed are high, strong interference immunity, raising elevator service life and the low novel energy feedback elevator of cost.
For solving the problems of the technologies described above, a kind of elevator energy feedback device is provided, comprise that electrical network, energy feedback system of elevator and frequency conversion can controllers, this frequency conversion can connect this electrical network by controller, this energy feedback system of elevator connects this frequency conversion can controller, and this lift appliance also includes energy back feed device, and this energy back feed device can be connected by controller with this frequency conversion, this energy back feed device includes inverter, and this inverter one end is connected with motor.
This energy back feed device also includes reservoir capacitance, reactance and LC filter, this reservoir capacitance, this reactance and this LC filter be connected in turn this frequency conversion can controller and this inverter between.
This frequency conversion can controller and this electrical network between be provided with rectifying circuit.
This inverter other end is provided with output current detection circuit, this output current detection circuit be connected to this electrical network and this frequency conversion can controller between.
This inverter is also connected with pwm pulse control technique treater.
Above-mentioned a kind of elevator energy feedback device adopts the mechanical energy in elevator motion load is transformed into electric energy by energy back feed device, and can give AC network, for near other electric equipment, thereby reach the object of saving electric energy, reached that control accuracy is high, the object of good stability simultaneously.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the utility model elevator energy feedback device.
Wherein: 10, electrical network; 20, energy feedback system of elevator; 30, frequency conversion can controller;
40, energy back feed device; 41, inverter; 42, reservoir capacitance; 43, reactance; 44, LC filter; 45, pwm pulse control technique treater; 46, output current detection circuit;
50, rectifying circuit; 60, motor.
The specific embodiment
Below in conjunction with drawings and Examples, xxx of the present utility model is described in further detail.
Refer to Fig. 1, a kind of elevator energy feedback device of the utility model embodiment, comprise that electrical network 10, energy feedback system of elevator 20 and frequency conversion can controllers 30, this frequency conversion can connect this electrical network 10 by controller 30, this energy feedback system of elevator 20 connects these frequency conversions can controller 30, and this lift appliance also includes energy back feed device 40, and this energy back feed device 40 can be connected by controller 30 with this frequency conversion, this energy back feed device 40 includes inverter 41, and these inverter 41 one end are connected with motor 60.
This energy back feed device 40 also includes reservoir capacitance 42, reactance 43 and LC filter 44, this reservoir capacitance 42, this reactance 43 and this LC filter 44 be connected in turn this frequency conversion can controller 30 and this inverter 41 between.
This frequency conversion can controller 30 and this electrical network 10 between be provided with rectifying circuit 50.
These inverter 41 other ends are provided with output current detection circuit 46, this output current detection circuit 46 be connected to this electrical network 10 and this frequency conversion can controller 30 between.
This inverter 41 is also connected with pwm pulse control technique treater 46.
A kind of elevator energy feedback device of the utility model adopts the mechanical energy in elevator motion load is transformed into electric energy by energy back feed device 40, and can give AC network 10, for near other electric equipment, thereby reach the object of saving electric energy, reached that control accuracy is high, the object of good stability simultaneously.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. an elevator energy feedback device, it is characterized in that: comprise that electrical network, energy feedback system of elevator and frequency conversion can controllers, this frequency conversion can connect this electrical network by controller, this energy feedback system of elevator connects this frequency conversion can controller, this lift appliance also includes energy back feed device, this energy back feed device can be connected by controller with this frequency conversion, and this energy back feed device includes inverter, and this inverter one end is connected with motor.
2. elevator energy feedback device as claimed in claim 1, it is characterized in that: this energy back feed device also includes reservoir capacitance, reactance and LC filter, this reservoir capacitance, this reactance and this LC filter be connected in turn this frequency conversion can controller and this inverter between.
3. elevator energy feedback device as claimed in claim 1, is characterized in that: this frequency conversion can controller and this electrical network between be provided with rectifying circuit.
4. elevator energy feedback device as claimed in claim 1, is characterized in that: this inverter other end is provided with output current detection circuit, this output current detection circuit be connected to this electrical network and this frequency conversion can controller between.
5. elevator energy feedback device as claimed in claim 1, is characterized in that: this inverter is also connected with pwm pulse control technique treater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438654.3U CN203513039U (en) | 2013-07-22 | 2013-07-22 | Elevator energy feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438654.3U CN203513039U (en) | 2013-07-22 | 2013-07-22 | Elevator energy feedback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203513039U true CN203513039U (en) | 2014-04-02 |
Family
ID=50371998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320438654.3U Expired - Fee Related CN203513039U (en) | 2013-07-22 | 2013-07-22 | Elevator energy feedback device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203513039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197756A (en) * | 2015-09-11 | 2015-12-30 | 苏州市新瑞奇节电科技有限公司 | Power-saving escalator |
-
2013
- 2013-07-22 CN CN201320438654.3U patent/CN203513039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197756A (en) * | 2015-09-11 | 2015-12-30 | 苏州市新瑞奇节电科技有限公司 | Power-saving escalator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN DAZHONG XINYUAN ENERGY SAVING TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN EASTERN GREEN ENERGY-SAVING TECHNOLOGY CO., LTD. Effective date: 20140318 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140318 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Pine Hill High dormitory cafeteria and cultural center 6 floor West Patentee after: Shenzhen Da Zhong Xin Yuan Energy Saving Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Lang Road on the north side of Pine Hill High dormitory cafeteria and cultural center five floor South Patentee before: SHENZHEN DONGBU GREEN ENERGY SAVING TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20200722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |