CN101670966B - Energy-saving feedback device of elevator with emergency flat layer - Google Patents
Energy-saving feedback device of elevator with emergency flat layer Download PDFInfo
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- CN101670966B CN101670966B CN2009100578966A CN200910057896A CN101670966B CN 101670966 B CN101670966 B CN 101670966B CN 2009100578966 A CN2009100578966 A CN 2009100578966A CN 200910057896 A CN200910057896 A CN 200910057896A CN 101670966 B CN101670966 B CN 101670966B
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- elevator
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- control board
- bus
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Abstract
The invention discloses an energy-saving feedback device of an elevator with an emergency flat layer. The device is connected with a direct-current bus of a frequency converter of an elevator control cabinet through a direct-current bus end; one end of the device is connected with an alternative-current grid; the alternative-current output end of the alternative-current grid is connected with the alternative-current input end of the elevator control cabinet. When the elevator operates normally, part of the electric energy output by the elevator control cabinet is fed back to the alternative-current grid through an inversion circuit, and the other part charges an electric energy storing device through a charging circuit under the control of a master control board; when the elevator is power off, direct current stored by the electric energy storing device is converted into alternating current through the inversion circuit and supplies power to the elevator control cabinet so as to ensure normal use of the elevator and the safety of passengers.
Description
Technical field
The present invention relates to elevator energy-saving and emergency flat layer field, particularly a kind of energy-saving feedback device of elevator with emergency flat layer.
Background technology
Energy-saving device of elevator is the energy that produces when utilizing the acting of elevator potential energy, and this transformation of energy is become the voltage consistent with electrical network and it is fed back to a kind of device of electrical network.This device has only the mono-function at present, i.e. the function of feedback grid.
In the elevator field, elevator emergency leveling device and energy-saving device of elevator are similar devices, from current product, the elevator emergency leveling device all is the elevator full-control type, elevator emergency leveling device and elevator control cabinet are independently, when elevator normal power source dead electricity, the elevator emergency leveling device is all taken over over the control of elevator, and the control cage operation is to nearest level position and open the door passenger safety is withdrawn.This series products can mate with the asynchronous elevator control cabinet of major part, but for the magneto-electric machine elevator, then differing well cooperates surely.The more important thing is that this type of power failure emergency flat layer device is open loop control when drive motor, rotating speed of motor does not feed back on the inversion plate.For common asynchronous moter, adopt this control to be fine, but, adopt open loop control to be difficult to make motor according to the speed normal operation of setting to synchronous dynamo.
By last, there is following shortcoming in this class power failure emergency rescue device:
1, majority can not be used for synchro traction machine.
2, when elevator normal power source dead electricity, such device is all taken over over the control of elevator, if this device is in case break down and will cause unforeseen consequence.
Summary of the invention
The purpose of this invention is to provide a kind of energy-saving feedback device of elevator, the emergency flat layer rescue effect when energy-conserving action when it can realize that elevator normally moves and elevator have a power failure with emergency story-leveling function and energy feedback function.
The invention provides a kind of energy-saving feedback device of elevator with emergency flat layer, described device is connected by the dc bus of dc bus end with the frequency converter of an elevator control cabinet, described device one end connects an AC network, described AC network ac output end is connected with the ac input end of described elevator control cabinet, comprising:
One master control board is connected with each unit module of described elevator control cabinet and described feedback device and exports control command, and described master control board is to elevator control cabinet output emergency flat layer control signal;
One inverter circuit, change alternating current output in order to the direct current (DC) that described device is received by the dc bus termination, described inverter circuit one end connects the dc bus end and the described master control board of described device, and the other end connects the input end of described AC network and described elevator control cabinet;
One direct current (DC) memory cell, in order to store the emergency direct current (DC) of described device, described direct current (DC) memory cell one end connects the dc bus end of described device, and the other end connects described inverter circuit and described master control board.
Described device also comprises an outage detection unit, and described outage detection unit one end connects described AC network, and the other end connects described master control board.This outage detection unit is mainly in order to sending the ct-off signal of the detected described AC network in described outage detection unit to described master control board, described master control board is received the described direct current (DC) memory cell of control behind the ct-off signal and changed the direct current (DC) of storage into alternating current through described inverter circuit and supply with described elevator control cabinet and use.
Described device also comprises a filter circuit, and described filter circuit one end connects described AC network and elevator control cabinet input end, and the other end connects described inverter circuit.
Described device also comprises a voltage transformer, and described voltage transformer one end connects described AC network and elevator control cabinet input end, and the other end connects described inverter circuit.
Described device also comprises a booster circuit, and described booster circuit one end connects described inverter circuit, and the other end connects described direct current (DC) memory cell and master control board.
Described direct current (DC) memory cell further comprises charge circuit and electric energy closed-center system, described charge circuit one end connects the dc bus end of described device, the other end connects described master control board and described electric energy closed-center system, and the mouth of described electric energy closed-center system connects described inverter circuit by described booster circuit.
Described device also comprises a boost charge loop, and described boost charge loop one end connects described inverter circuit, and the other end connects described electric energy closed-center system and master control board.
The input end of described elevator control cabinet connects described AC network by a disconnector.
Described device is connected with the dc bus of the frequency converter of described elevator control cabinet by a bus master cock on the dc bus end.
The mode that described master control board links to each other with elevator control cabinet is: be connected with the associated control signal of former control housing by communication bus.
Adopt the energy-saving device of elevator with emergency story-leveling function and energy feedback function of the present invention, when elevator just often, under the control of master control board, electric energy for elevator control cabinet output, a part feeds back to AC network by inverter circuit, and another part charges to the electric energy closed-center system by charge circuit; When elevator cut off the power supply, the direct current (DC) of electric energy closed-center system storage was converted to alternating current by inverter circuit and powers to elevator control cabinet, to guarantee the safety of elevator control.
Description of drawings
Fig. 1 is the structural principle block diagram of preferred embodiment of the present invention;
Fig. 2 is the boost charge loop scheme drawing of an embodiment;
Fig. 3 is first kind of connection diagram of filter circuit;
Fig. 4 is second kind of connection diagram of filter circuit;
Fig. 5 is first kind of connection diagram of master control board and elevator control cabinet emergency flat layer;
Fig. 6 is second kind of connection diagram of master control board and elevator control cabinet emergency flat layer;
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
With reference to the structural principle block diagram of Fig. 1 for preferred embodiment of the present invention, the invention provides a kind of energy-saving device of elevator 100 with emergency story-leveling function and energy feedback function, described device 100 is connected by the dc bus of dc bus end 10 with the frequency converter 12 of an elevator control cabinet 8, the input end of elevator control cabinet 8 connects AC network 11 by city's net disconnector 9, and feedback device 100 specifically comprises:
One master control board 7 with elevator control cabinet 8 and install each unit module of 100 and be connected and export control command, comprises the emergency flat layer control command in the master control board 7 output control commands;
One outage detection unit 1, in order to detect the voltage signal of AC network 11, outage detection unit 1 one ends connect AC network 11, and the other end connects master control board 7;
One inverter circuit 3 changes alternating current output in order to will install 100 direct current (DC), the dc bus end 10 and the master control board 7 of inverter circuit 3 one end connection devices 100, and the other end connects the input end of AC network 11 and elevator control cabinet 8;
One direct current (DC) memory cell 13, in order to the direct current (DC) of memory storage 100, the dc bus end 10 of direct current (DC) memory cell 13 1 end connection devices 100, the other end connects inverter circuit 3 and master control board 7.As an embodiment, direct current (DC) memory cell 13 further comprises electric energy closed-center system charge circuit 4 and electric energy closed-center system 6, and electric energy closed-center system 6 can be battery pack 6, also can be super capacitor.The dc bus end 10 of electric energy closed-center system charge circuit 4 one end connection devices 100, the other end connects master control board 7 and electric energy closed-center system 6, and the mouth of electric energy closed-center system 6 connects inverter circuit 3 by booster circuit 5.As a preferred embodiment, device 100 can also comprise:
One filter circuit 2, filter circuit 2 one ends connect AC network 11 and elevator control cabinet 8 input ends, and the other end connects inverter circuit 3.
One booster circuit 5, booster circuit 5 one ends connect inverter circuit 3, and the other end connects direct current (DC) memory cell 13 and master control board 7.
One bus master cock 14, device 100 is connected with the dc bus of the frequency converter 12 of elevator control cabinet 8 by a bus master cock 14 on the dc bus end 10.
Referring to Fig. 2, as another embodiment, electric energy closed-center system charge circuit 4 and booster circuit 5 can unite two into one, and form a boost charge loop 16, boost charge loop 16 1 ends connect inverter circuit 3, and the other end connects described electric energy closed-center system 6 and master control board 7.
Referring to Fig. 3, Fig. 4, filter circuit 2 can adopt the connection structure of Fig. 3 or Fig. 4, and in Fig. 3, a voltage transformer one end can be connected to AC network 11 and elevator control cabinet 8 input ends, and the other end can be connected to inverter circuit 3.
Referring to Fig. 5, Fig. 6, as an embodiment, the mode that described master control board 7 links to each other with elevator control cabinet 8 can be for adopting the Communication Control mode as Fig. 5, and at this moment master control board only needs two control lines to get final product to control housing output emergency operating signal; Also can connect control in conjunction with the part control signal of former elevator control cabinet, need the control signal of the former elevator control cabinet of use to be respectively: to overhaul up, overhaul descending, door district's signal, enabling signal, close gate signal, up throw-over signal, descending throw-over signal, maintenance signal, phase sequence detects, and one or more were controlled simultaneously during safety return circuit detected.
Below with reference to Fig. 1, the working process that installs each unit module of 100 is described:
AC network 11 provides three plase alternating current, and AC network 11 is connected to elevator control cabinet 8 by city's net disconnector 9, and whether detect the three-phase alternating current line voltage by grid cut-off detecting unit 1 normal.Under the control of master control board 7, in the elevator normal operation, the dc bus of frequency converter 12 parts in the elevator control cabinet 8 is connected to the dc bus end 10 of device 100, when the voltage of dc bus end 10 is higher than a threshold value, part electric flux is by after inverter circuit 3 inversions, deliver to AC network 11 through filter circuit 2, and another part electric flux charges by 4 pairs of electric energy closed-center systems 6 of electric energy closed-center system charge circuit; When elevator had a power failure, electric energy closed-center system 6 was transformed into the power frequency converter 12 of terraced control housing 8 of high direct voltage through booster circuit 5 and uses, and was reverse into the three plase alternating current terraced control housing 8 of powering by inverter circuit 3 and filter circuit 2 more simultaneously and used.
Those skilled in the art will recognize that, the above-mentioned specific embodiment is exemplary, be in order better to make those skilled in the art can understand this patent, can not be interpreted as it is the restriction that this patent is comprised scope, so long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (11)
1. energy-saving feedback device of elevator with emergency flat layer, described device is connected with the dc bus of the frequency converter of an elevator control cabinet by stream bus end, described device one end connects an AC network, its ac output end is connected with the ac input end of described elevator control cabinet, it is characterized in that, comprising:
One master control board is connected with each unit module of described elevator control cabinet and described device and exports control command;
One inverter circuit, change alternating current output in order to the direct current (DC) that described device is received by the dc bus termination, described inverter circuit one end connects the dc bus end and the described master control board of described device, and the other end connects the input end of described AC network and described elevator control cabinet;
One direct current (DC) memory cell, in order to store the emergency direct current (DC) of described device, described direct current (DC) memory cell one end connects the dc bus end of described device, and the other end connects described inverter circuit and described master control board.
2. device as claimed in claim 1, it is characterized in that, described device also comprises an outage detection unit, described outage detection unit one end connects described AC network, the other end connects described master control board, in order to sending the ct-off signal of the detected described AC network in described outage detection unit to described master control board, described master control board is received the described direct current (DC) memory cell of control behind the ct-off signal and is changed the emergency direct current (DC) of storage into alternating current through described inverter circuit and supply with described elevator control cabinet and use.
3. device as claimed in claim 1 or 2 is characterized in that described device also comprises a filter circuit, and described filter circuit one end connects described AC network and elevator control cabinet input end, and the other end connects described inverter circuit.
4. device as claimed in claim 3 is characterized in that described device also comprises a voltage transformer, and described voltage transformer one end connects described AC network and elevator control cabinet input end, and the other end connects described inverter circuit.
5. device as claimed in claim 4 is characterized in that described device also comprises a booster circuit, and described booster circuit one end connects described inverter circuit, and the other end connects described direct current (DC) memory cell and master control board.
6. device as claimed in claim 5, it is characterized in that, described direct current (DC) memory cell further comprises charge circuit and electric energy closed-center system, described charge circuit one end connects the dc bus end of described device, the other end connects described master control board and described electric energy closed-center system, and the mouth of described electric energy closed-center system connects described inverter circuit by described booster circuit.
7. device as claimed in claim 4 is characterized in that described device also comprises the boost charge loop, and described boost charge loop one end connects described inverter circuit, and the other end connects described electric energy closed-center system and master control board.
8. as claim 6 or 7 described devices, it is characterized in that the input end of described elevator control cabinet connects described AC network by a disconnector.
9. device as claimed in claim 8 is characterized in that, described device is connected with the dc bus of the frequency converter of described elevator control cabinet by a bus master cock on its dc bus end.
10. device as claimed in claim 9, it is characterized in that described master control board and elevator control cabinet adopt maintenance up, overhaul descending, door district signal, enabling signal is closed gate signal, up throw-over signal, descending throw-over signal, the maintenance signal, phase sequence detects, and one or several in the safety return circuit detection signal carries out direct control simultaneously.
11. device as claimed in claim 9 is characterized in that, described master control board is controlled elevator control cabinet by communication bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100578966A CN101670966B (en) | 2009-09-15 | 2009-09-15 | Energy-saving feedback device of elevator with emergency flat layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100578966A CN101670966B (en) | 2009-09-15 | 2009-09-15 | Energy-saving feedback device of elevator with emergency flat layer |
Publications (2)
| Publication Number | Publication Date |
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| CN101670966A CN101670966A (en) | 2010-03-17 |
| CN101670966B true CN101670966B (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100578966A Expired - Fee Related CN101670966B (en) | 2009-09-15 | 2009-09-15 | Energy-saving feedback device of elevator with emergency flat layer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917020B (en) * | 2010-08-04 | 2012-10-03 | 长沙理工大学 | Lift energy feedback, reactive compensation and switched-off emergency running method and system |
| CN104192666B (en) * | 2014-09-09 | 2017-02-01 | 西继迅达（许昌）电梯有限公司 | Automatic leveling rescue device and method for elevator during power failures |
| CN106882662B (en) * | 2017-01-13 | 2019-09-24 | 广州广日电梯工业有限公司 | A kind of elevator rescue system |
| CN115149560B (en) * | 2022-09-01 | 2023-03-10 | 广东省特种设备检测研究院中山检测院 | Energy-saving automatic rescue system for elevator with power failure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044249U (en) * | 1988-11-21 | 1989-09-13 | 薛燊 | Emergency device for lift on temp. electricity cut-off |
| CN2093828U (en) * | 1991-05-07 | 1992-01-22 | 刘以凭 | Emergency dispersal device for lifts |
| CN201071232Y (en) * | 2007-04-30 | 2008-06-11 | 王贤长 | Elevator control gear with electrical energy feedback function |
| CN201268533Y (en) * | 2008-08-14 | 2009-07-08 | 宁波宏大电梯有限公司 | Elevator control system with current failure emergency rescue function |
| CN201289524Y (en) * | 2008-11-04 | 2009-08-12 | 珠海赛比特电气设备有限公司 | Self-adapting, high-efficiency, energy-saving parallel-in feedback type electronic load |
-
2009
- 2009-09-15 CN CN2009100578966A patent/CN101670966B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044249U (en) * | 1988-11-21 | 1989-09-13 | 薛燊 | Emergency device for lift on temp. electricity cut-off |
| CN2093828U (en) * | 1991-05-07 | 1992-01-22 | 刘以凭 | Emergency dispersal device for lifts |
| CN201071232Y (en) * | 2007-04-30 | 2008-06-11 | 王贤长 | Elevator control gear with electrical energy feedback function |
| CN201268533Y (en) * | 2008-08-14 | 2009-07-08 | 宁波宏大电梯有限公司 | Elevator control system with current failure emergency rescue function |
| CN201289524Y (en) * | 2008-11-04 | 2009-08-12 | 珠海赛比特电气设备有限公司 | Self-adapting, high-efficiency, energy-saving parallel-in feedback type electronic load |
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| CN101670966A (en) | 2010-03-17 |
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