CN104210911B - One can turn off formula elevator power supply and implementation method - Google Patents
One can turn off formula elevator power supply and implementation method Download PDFInfo
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- CN104210911B CN104210911B CN201410417930.7A CN201410417930A CN104210911B CN 104210911 B CN104210911 B CN 104210911B CN 201410417930 A CN201410417930 A CN 201410417930A CN 104210911 B CN104210911 B CN 104210911B
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Abstract
The invention discloses one and can turn off formula elevator power supply and implementation method, this programme can turn off formula elevator power supply by one and adjust circuit controls and connect PN power supply, and by Voltage Cortrol stable in the voltage range of setting, and out-put supply can be turned off when needed.This programme instead of traditional power supply with digital adjustable power supply, improves the conversion efficiency of power supply, it is ensured that stablizing of supply voltage, can turn off by demand, can be according to the different voltage of different load set.
Description
Technical field
The present invention relates to elevator technology, the power technology being specifically related in elevator.
Background technology
Seeing Fig. 1, show traditional elevator power supply realizes schematic diagram.As seen from the figure, current elevator industry
The interior voltage typically all using transformator to input reduces, and exports during DC source after over commutation again.Thus,
Elevator device needs several voltages, then transformator will have several groups of coils, the most existing elevator electricity
Source in use there is problems:
When the most traditional transformator works, heating, has noise；
2., when input power changes, output voltage also can and then change, and the operating mode of load is difficult to ensure that constant；
3., when elevator stops, particularly after elevator is shut down, because power supply can not turn off, control system has always
Electricity, the energy that stand-by power consumption is unnecessary.
Summary of the invention
For the problem existing for existing elevator power supply, it is an object of the invention to provide a kind of formula that turns off
Elevator power supply, this power supply architecture is simple, reliable and stable, by detecting, when input voltage changes, carries out
Voltage Cortrol, it is ensured that the voltage of output voltage and setting keep one to, and output electricity can be closed when needed
Source.
Can turn off the elevator power supply of formula for this, the present invention also provides for a kind of implementation method.
In order to achieve the above object, the present invention adopts the following technical scheme that:
One can turn off formula elevator power supply, and this elevator power supply includes that can turn off formula elevator power supply adjusts loop, institute
State and can turn off formula elevator power supply adjustment circuit controls connection PN power supply, and by Voltage Cortrol and stably setting
Voltage range in, and out-put supply can be turned off when needed.
In above-mentioned elevator power source design, described turn off formula elevator power supply adjust loop include drive circuit,
Can turn off electrical switch, voltage finishing circuit, circuit for detecting, MCU microprocessor, described voltage arranges
The input of circuit connects PN power supply by turning off electrical switch, and its outfan is defeated as elevator power supply
Going out end, described drive circuit drives control can turn off electrical switch, and described circuit for detecting is arranged on voltage and arranges
On the outfan of circuit, described MCU microprocessor connects drive circuit and circuit for detecting respectively.
Further, described voltage finishing circuit can be, but not limited to BUCK loop, such as, can be
FLYBACK forward converter.
Further, described circuit for detecting is voltage detection circuit or current-sensing circuit or voltage detection circuit
And current-sensing circuit.
Further, described MCU microprocessor includes parameter setting module, logical operation module, I/O OR
PWM interface and at least one signal feedback unit, the input of described logical operation module connects respectively
Connecing parameter setting module and signal feedback unit, its outfan is connected to the input of I/O OR PWM interface
End, the outfan of described I/O OR PWM interface is connected to drive circuit, described signal feedback unit defeated
Entering end and be connected to circuit for detecting, its outfan is connected to the input of logical operation module.
Further, described signal feedback unit includes feedback circuit and A/D change-over circuit, described A/D
The input connection sensing circuit of change-over circuit, its output is connected to feedback circuit, and described feedback circuit is connected to
Logical operation module.
Further, described MCU microprocessor can be whole with the control MCU microprocessor of elevator
It is combined, it is also possible to outside independent of elevator controlling MCU microprocessor, separately sets up a micro-place of MCU
Reason device.
For the turned off formula elevator power supply of such scheme, its corresponding implementation method, the method is closed by one
The numeral of ring adjusts loop, detects out-put supply in real time, and thus carries out the PN voltage of input
Adjust in real time, make out-put supply stable in the voltage range set, and output electricity can be turned off when needed
Source.
In above-mentioned elevator power supply implementation method scheme, first according to the target voltage values set, by can
Turn off electrical switch the PN voltage of input is adjusted, then export the voltage of setting after carrying out voltage arrangement；
Then, output voltage and electric current carry out detecting real-time, if detect low voltage or raise, pass through
Can turn off electrical switch to input PN voltage be adjusted, then carry out voltage arrange make output voltage stabilization
At the magnitude of voltage set；
If detecting electric current when going beyond the scope, turning off by electrical switch can be turned off or limiting out-put supply；
Finally, when power supply is not required to power supply, the output of electronic switch power can be turned off.
This programme instead of traditional power supply with digital adjustable power supply, improves the conversion effect of power supply
Rate, it is ensured that stablizing of supply voltage, can be turned off by demand, can be according to the different electricity of different load set
Pressure, effectively solves the problem existing for transmission elevator power supply.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram of traditional elevator power supply；
Fig. 2 is the circuit theory diagrams that can turn off formula elevator power supply in the present invention；
Fig. 3 is the voltage finishing circuit schematic diagram that can turn off BUCK loop in formula elevator power supply；
Fig. 4 is the voltage finishing circuit schematic diagram that can turn off FLYBACK forward converter in formula elevator power supply；
Fig. 5 is the application principle figure that can turn off formula elevator power supply in the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect,
Below in conjunction with being specifically illustrating, the present invention is expanded on further.
See Fig. 1, the circuit theory diagrams of the turned off formula elevator power supply that the present invention shown in it provides.Can by figure
Knowing, this elevator power supply mainly includes drive circuit 1, can turn off electrical switch 4, voltage finishing circuit 3, detects
Slowdown monitoring circuit 5, MCU microprocessor 2.Wherein, the input of voltage finishing circuit 3 is by turning off electronics
Switch 4 connection PN power supply, its outfan is as the outfan of elevator power supply, and drive circuit 2 drives control
System can turn off electrical switch, and circuit for detecting 5 is arranged on the outfan of voltage finishing circuit 3, MCU simultaneously
Microprocessor connects drive circuit and circuit for detecting respectively, thus cooperatively forms and can turn off the adjustment of formula elevator power supply
Loop, this can turn off formula elevator power supply and adjust circuit controls and connect PN power supply, and by Voltage Cortrol and stably
In the voltage range set, and out-put supply can be turned off when needed.
Concrete, voltage finishing circuit 3, for arranging voltage, forms reliable and stable output voltage.
This voltage finishing circuit 3 can use the BUCK loop shown in Fig. 3 to constitute, but is not limited to this, its
Can be with the loop of other structure, for example with the composition of FLYBACK forward converter shown in Fig. 4 etc..As
Citing, sees Fig. 2, and the voltage finishing circuit 3 that can turn off in formula elevator power supply shown in it uses BUCK to return
Line structure, is mainly made up of inductance 31, electric capacity 32 and fly-wheel diode 33, inductance 31 one end and afterflow
The negative electrode of diode 33 connects as an input, is connected to PN power supply by turning off electrical switch 4
P end, inductance 31 one end connects with the side of electric capacity 32, and as direct-flow positive pole export；Afterflow two pole
The anode of pipe 33 as another input, connects the N end of PN power supply, the anode of fly-wheel diode 33 with
The opposite side of electric capacity 32 connects, and exports as direct current negative pole.
Can turn off electrical switch 4, it is arranged between the P end of voltage finishing circuit 3 and PN power supply, uses
In regulating or shutting off the PN power supply input voltage to voltage finishing circuit 3.Electrical switch 4 can be turned off concrete
Other electrical switches that can turn off such as IGBT or SCR can be used.As an example, make according to IGBT
For electrical switch can be turned off, can by adjusting the dutycycle of turn-on and turn-off of IGBT, realize regulation or
Turn off PN power supply and input the voltage to voltage finishing circuit 3.
The outfan of drive circuit 1 controls connection can turn off electrical switch 4, and input is controlled by MCU
Microprocessor 2, for obtaining the control instruction of MCU microprocessor 2, is converted into control by this control instruction
System can turn off the action command of electrical switch 4, and is thus controlled can turn off electrical switch 4.
Circuit for detecting 5 mainly includes voltage detection circuit 51, or current-sensing circuit 52, or voltage
Circuit for detecting 51 and current-sensing circuit 52, for the output voltage to this power supply, or electric current, or
Voltage and current carries out real-time monitoring.The particular make-up structure of circuit for detecting 5 can according to the actual requirements depending on.
As an example, seeing Fig. 2, the circuit for detecting 5 that can turn off in formula elevator power supply shown in it includes circuit for detecting
51 and current-sensing circuit 52, both are located on the outfan of voltage finishing circuit 3 simultaneously, to through electricity
Output voltage and current value that pressure finishing circuit 3 arranges carry out real-time monitoring.
MCU microprocessor 2 is as the control centre of whole elevator power supply, and it controls to connect to drive electricity respectively
Road 1 and circuit for detecting 5, thus formed and can turn off formula elevator power supply adjustment loop.This MCU microprocessor
2 target setting voltages, and control drive circuit 1 according to this target voltage and drive and can turn off electrical switch 4 and adjust
Joint PN power supply input is to the voltage of voltage finishing circuit 3 to target voltage；MCU microprocessor 2 simultaneously
The output voltage of the voltage finishing circuit 3 that real-time reception circuit for detecting 5 monitors and/or electric current, and with set
Fixed target voltage calculates, and controls drive circuit 1 driving further according to result of calculation in real time and can turn off electronics
Switch 4 regulation PN power supplys input is to the voltage of voltage finishing circuit 3 so that voltage finishing circuit 3 defeated
Go out voltage stabilization at the target voltage set.
As seen from the figure, this MCU microprocessor 2 mainly includes parameter setting module 21, logical operation module
22, I/O OR PWM interface 23, feedback circuit 25,27 and A/D change-over circuit 24,26.
Feedback circuit 25 and A/D change-over circuit 24 form voltage signal feedback unit, are used for receiving and feeding back
The voltage signal that in circuit for detecting 5, voltage detection circuit 51 detects.The input of A/D change-over circuit 24
It is connected to the outfan of voltage detection circuit 51, and the outfan of A/D change-over circuit 24 is connected to feedback electricity
The input on road 25, the outfan of feedback circuit 25 is connected to logical operation module 22.Wherein, A/D turns
Change circuit 24 and the voltage analog signal of the transmission of voltage detection circuit 51 be converted into corresponding digital signal,
And this digital signal sends to feedback circuit 25, this digital signal is converted into by feedback circuit 25 is easy to logic
The value of feedback that computing module 22 calculates, and send to logical operation module 22.
Feedback circuit 27 and A/D change-over circuit 26 form current signal feedback unit, are used for receiving and feeding back
The current signal that in circuit for detecting 5, current-sensing circuit 52 detects.The input of A/D change-over circuit 26
It is connected to the outfan of current-sensing circuit 52, and the outfan of A/D change-over circuit 26 is connected to feedback electricity
The input on road 27, the outfan of feedback circuit 27 is connected to logical operation module 22.Wherein, A/D turns
Change circuit 26 and the current analog signal of the transmission of current-sensing circuit 52 be converted into corresponding digital signal,
And this digital signal sends to feedback circuit 27, this digital signal is converted into by feedback circuit 27 is easy to logic
The value of feedback that computing module 22 calculates, and send to logical operation module 22.
Parameter setting module 21, for setting different output voltages, produces different voltage sources, it is possible to
The electric current setting output limits, and can adjust or power cutoff when exceeding exception, protection power supply and load.
The input Connecting quantity setting module 21 of logical operation module 22 and feedback circuit 25,27, and export
End is connected to I/O OR PWM interface 23.Its parameter set according to parameter setting module 21 and feedback
The value of feedback of circuit carries out logical calculated and obtains corresponding control instruction, and reaches I/O OR PWM interface
23。
I/O OR PWM interface 23, its input is connected to logical operation module 22, and outfan is connected to
Drive circuit 1, controls drive circuit 1 according to the numerical control instruction of logical operation module 22 output.
The turned off formula elevator power supply being consequently formed adjusts loop by the numeral of a closed loop, enters out-put supply
Row detection in real time, and thus the PN voltage of input is adjusted in real time and stable at the DC voltage set
In the range of, and out-put supply can be turned off when needed.
The turned off formula elevator power supply being consequently formed, can be independent of existing elevator device when specifically applying
Redesign parts, it is also possible to be incorporated in existing elevator device.
This programme is further illustrated below by way of a concrete application example.
Seeing Fig. 5, it show in this example the application principle figure that can turn off formula elevator power supply.In this example
Turned off formula elevator power supply, it can turn off electrical switch 4 and use IGBT, and voltage finishing circuit 3 is adopted
Use BUCK loop structure, be mainly made up of inductance 31, electric capacity 32 and fly-wheel diode 33.
In this exemplary application, in order to effectively utilize the resource of elevator device, PN power supply directly takes to frequency conversion
The dc bus of device.Wherein: the P end of frequency changer direct current bus is connected to the upper end of IGBT, under IGBT
One end of termination inductance 31 and the negative terminal of afterflow diode 33, another termination capacitor 32 of inductance 31 and electricity
Pressure is detected anode and one end of current sense 52, detecting voltage 51 and the negative terminal of capacitor 32 of 51 and continues
The anode of stream diode 33 is connected to the N end of frequency changer direct current bus, constitutes the major loop of power supply.
In order to effectively utilize the resource of elevator device, microprocessor 2 directly uses the logic control of elevator
MCU, concrete: according to the target voltage of parameter setting module 21, at computing and logic module 22
Reason, controls opening or closing of I/O OR PWM interface 23, after the process further of overdrive circuit 1,
It is switched on or off IGBT, exports after the voltage of inductance 31, electric capacity 32 and afterflow diode 33 arranges
The voltage set.
Thus, on the low side in converter busbar voltage or raise time, through detecting voltage 51, A/D change-over circuit
24, feedback circuit 25, after computing and logic module 22 process, adjust I/O OR PWM interface 23
Open or close, after the process further of overdrive circuit 1, adjust the dutycycle of the turn-on and turn-off of IGBT,
Make output voltage stabilization at the voltage set.
Furthermore, through current sense 52, A/D change-over circuit 26, feedback circuit 27, parameter setting module 21
After processing with computing and logic module 22, after finding that electric current goes beyond the scope, can turn off or limit output electricity
Source.
Furthermore, elevator stop or lock ladder etc. power supply be not required to power supply time, elevator controlling MCU can pass through computing
And logic module 22 or I/O OR PWM interface 23, turn off IGBT through overdrive circuit 1, thus close
The output in power-off source.
Finally, can be according to the situation of the detecting value of power supply, the comprehensive safety analyzing elevator device, different at power supply
When often can affect elevator safety, make fault, and allow elevator enter safe condition, wait Awaiting Overhaul.
From upper example, the power supply that this programme provides is with detecting function, when input voltage changes, and can
Adjust with oneself, it is ensured that the voltage of output voltage and setting keep one to, and output can be closed when needed
Power supply.
The power supply that this programme provides achieves the digital adjustment of out-put supply, and system can clearly control elevator
The situation of power supply, can adjust the state of elevator according to this.
Output voltage is not affected by the power supply that this programme provides in the change of input voltage, can be different by elevator
The input of power supply is integrated, as used the dc bus integration as input power, beneficially system of converter
And it is integrated.
The power supply that this programme provides substitutes traditional transformator with turning off electrical switch, improves Power convert
Efficiency, eliminate transformator work time noise.
This programme provide power supply can close, elevator standby and lock ladder time can close electricity as required
Source, reduces stand-by power consumption.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description
The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention
Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.This
The claimed scope of invention is defined by appending claims and equivalent thereof.
Claims (7)
1. one kind can turn off formula elevator power supply, it is characterised in that described elevator power supply includes turning off formula electricity
Ladder power supply adjusts loop, and the described formula elevator power supply that turns off adjusts circuit controls connection PN power supply, and by electricity
Pressure adjusts and stable in the voltage range set, and can turn off out-put supply when needed；Described turn off
Formula elevator power supply adjusts loop and includes drive circuit, can turn off electrical switch, voltage finishing circuit, detecting electricity
Road, MCU microprocessor, the input of described voltage finishing circuit connects PN by turning off electrical switch
Power supply, its outfan is as the outfan of elevator power supply, and described drive circuit drives control can turn off electronic cutting
Closing, described circuit for detecting is arranged on the outfan of voltage finishing circuit, and described MCU microprocessor is respectively
Connect drive circuit and circuit for detecting.
One the most according to claim 1 can turn off formula elevator power supply, it is characterised in that described electricity
Pressure finishing circuit is BUCK loop or FLYBACK forward converter.
One the most according to claim 1 can turn off formula elevator power supply, it is characterised in that described in detect
Slowdown monitoring circuit is voltage detection circuit or current-sensing circuit or voltage detection circuit and current-sensing circuit.
One the most according to claim 1 can turn off formula elevator power supply, it is characterised in that described MCU
Microprocessor includes parameter setting module, logical operation module, I/O OR PWM interface and at least
Individual signal feedback unit, the input of described logical operation module Connecting quantity setting module and signal respectively is anti-
Feedback unit, its outfan is connected to the input of I/O OR PWM interface, described I/O OR PWM interface
Outfan be connected to drive circuit, the input of described signal feedback unit is connected to circuit for detecting, and it is defeated
Go out end and be connected to the input of logical operation module.
One the most according to claim 4 can turn off formula elevator power supply, it is characterised in that described letter
Number feedback unit includes feedback circuit and A/D change-over circuit, and the input of described A/D change-over circuit connects to be detectd
Slowdown monitoring circuit, its output is connected to feedback circuit, and described feedback circuit is connected to logical operation module.
The most according to claim 1, one can turn off formula elevator power supply, it is characterised in that described MCU
Microprocessor is that the control MCU microprocessor with elevator combines, or independent of elevator controlling
Outside MCU microprocessor, separately set up a MCU microprocessor.
7. the implementation method that can turn off formula elevator power supply, it is characterised in that described method is closed by
The numeral of ring adjusts loop, detects out-put supply in real time, and thus carries out the PN voltage of input
Adjust in real time, make out-put supply stable in the voltage range set, and output electricity can be turned off when needed
Source；First according to the target voltage values set, by electrical switch can be turned off, the PN voltage of input is carried out
Adjust, then export the voltage of setting after carrying out voltage arrangement；
Then, output voltage and electric current carry out detecting real-time, if detect low voltage or raise, pass through
Can turn off electrical switch to input PN voltage be adjusted, then carry out voltage arrange make output voltage stabilization
At the magnitude of voltage set；
If detecting electric current when going beyond the scope, turning off by electrical switch can be turned off or limiting out-put supply；
Finally, when power supply is not required to power supply, the output of electronic switch power can be turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417930.7A CN104210911B (en) | 2014-08-22 | 2014-08-22 | One can turn off formula elevator power supply and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417930.7A CN104210911B (en) | 2014-08-22 | 2014-08-22 | One can turn off formula elevator power supply and implementation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104210911A CN104210911A (en) | 2014-12-17 |
| CN104210911B true CN104210911B (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410417930.7A Active CN104210911B (en) | 2014-08-22 | 2014-08-22 | One can turn off formula elevator power supply and implementation method |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2559706B2 (en) * | 1986-05-08 | 1996-12-04 | 三菱電機株式会社 | AC elevator control device |
| EP1225150A1 (en) * | 2001-01-09 | 2002-07-24 | Inventio Ag | Device for noiseless operating of elevator brake |
| JP2004131207A (en) * | 2002-10-08 | 2004-04-30 | Mitsubishi Electric Corp | Brake control system for elevator |
| WO2007013141A1 (en) * | 2005-07-26 | 2007-02-01 | Mitsubishi Denki Kabushiki Kaisha | Control device for elevator |
| JP5124206B2 (en) * | 2007-08-17 | 2013-01-23 | 株式会社日立製作所 | Elevator brake equipment |
| CN204211291U (en) * | 2014-08-22 | 2015-03-18 | 上海吉亿电机有限公司 | One can turn off formula elevator power supply |
-
2014
- 2014-08-22 CN CN201410417930.7A patent/CN104210911B/en active Active
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| CN104210911A (en) | 2014-12-17 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20171127 Address after: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee after: Yungtay elevator equipment Co., Ltd. (China) Address before: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Patentee before: Shanghai GIE EM Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190731 Address after: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Patentee after: Shanghai GIE EM Co., Ltd. Address before: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee before: Yungtay elevator equipment Co., Ltd. (China) |
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| TR01 | Transfer of patent right |