CN207677500U - A kind of elevator emergency power supply - Google Patents
A kind of elevator emergency power supply Download PDFInfo
- Publication number
- CN207677500U CN207677500U CN201721194071.5U CN201721194071U CN207677500U CN 207677500 U CN207677500 U CN 207677500U CN 201721194071 U CN201721194071 U CN 201721194071U CN 207677500 U CN207677500 U CN 207677500U
- Authority
- CN
- China
- Prior art keywords
- module
- circuit
- power supply
- battery
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model is related to technical field of elevator equipment, especially a kind of elevator emergency power supply, when alternating current breaks down, automatic discharging, for the illumination of lift car, ventilation, alarm and communication function provide power supply, it is characterized in that, including charging module, battery, control module, boost module, sampling module, inverter module and filtering output circuit, the input terminal of charging module is electrically connected with city, the output end of charging module is connect with battery, battery is connect with boost module, control module respectively with charging module, sampling module, boost module is connected with inverter module, the output end of inverter module is connect with filtering output circuit.Elevator reliability of operation can be improved in the utility model, avoids the failure caused by the power failure of extraneous power grid, and therefore causes the injury of passenger's body and psychology.
Description
Technical field
The utility model is related to technical field of elevator equipment, specific field is a kind of elevator emergency power supply.
Background technology
As society is constantly progressive, the iterative method of Process of Urbanization Construction, people also increasingly increase the dependence of power supply, even if
Be power failure in short-term also can cause larger economic loss to production, and unfavorable social influence is brought to people’s lives；
Emergency power supply be one kind in normal power supply power interruptions, can to the important load of user carry out short-duration power device；Its
Reliability and intelligence degree directly decide the emergency service situation when normal electricity supply discontinuity, in production and life
It plays an important role.Burst, which has a power failure, when the elevator is run can lead to the generation of elevator malfunction phenomenon, at this moment not only to people's heart
Reason adversely affects and there is some potential safety problemss.
Utility model content
The purpose of this utility model is to provide a kind of elevator emergency power supplys, avoid because of extraneous grid power blackout, phase shortage, misphase
Caused by elevator close people's phenomenon.
To achieve the above object, a kind of elevator emergency power supply of the utility model offer is put automatically when alternating current breaks down
Electricity provides power supply, including charging module, battery, control module, liter for the illumination of lift car, ventilation, alarm and communication function
Die block, sampling module, inverter module and filtering output circuit, the input terminal of charging module are electrically connected with city, charging module
Output end is connect with battery, and battery is connect with boost module, control module respectively with charging module, sampling module, boost module
It is connected with inverter module, the output end of inverter module is connect with filtering output circuit.
Preferably, for the control module using microcontroller as core, the SCM peripheral includes reset circuit, crystal oscillator electricity
Road, city's power detection circuit and output isolation circuit.
Preferably, the microcontroller selects LPC11C14 microcontrollers.
Preferably, the charging module is made of power supply and charging circuit.
Preferably, the boost module includes booster driving circuit and push-pull circuit.
Preferably, the sampling module includes output voltage sample circuit, current sampling circuit, cell voltage sample circuit
And battery over-discharge protection circuit.
The advantageous effects of the utility model：Automatic discharging after mains failure, it is to multiply to aim at when power supply breaks down
Objective elevator provides cage illumination, ventilation and alarm and communication function, when dispatch from foreign news agency network recovery, can be rapidly switched to standby mode, right
Battery charges.Elevator reliability of operation can be improved in the application, avoids the failure caused by the power failure of extraneous power grid, and because
This causes the injury of passenger's body and psychology.
Description of the drawings
Fig. 1 is the functional block diagram of the utility model elevator emergency power supply；
Fig. 2 is the microcontroller pin circuitry figure of the utility model；
Fig. 3 is the circuit diagram of the reset circuit of the utility model；
Fig. 4 is the circuit diagram of the crystal oscillating circuit of the utility model；
Fig. 5 is the circuit diagram of city's power detection circuit of the utility model；
Fig. 6 is the circuit diagram of the output isolation circuit of the utility model；
Fig. 7 is the circuit diagram of the power supply of the utility model；
Fig. 8 is the circuit diagram of the charging circuit of the utility model；
Fig. 9 is the circuit diagram of the booster driving circuit of the utility model；
Figure 10 is the circuit diagram of the push-pull circuit of the utility model；
Figure 11 is the circuit diagram of the output voltage sample circuit of the utility model；
Figure 12 is the circuit diagram of the current sampling circuit of the utility model；
Figure 13 is the circuit diagram of the cell voltage sample circuit of the utility model；
Figure 14 is the circuit diagram of the battery over-discharge protection circuit of the utility model；
Figure 15 is the circuit diagram of the SPWM wave generation circuits of the utility model；
Figure 16 is the circuit diagram of the inverse changing driving circuit of the utility model；
Figure 17 is the circuit diagram of the filtering output circuit of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of elevator emergency power supply, when alternating current breaks down, automatic discharging is
Illumination, ventilation, alarm and the communication function of lift car provide power supply comprising charging module, battery, control module, boosting
Module, sampling module, inverter module and filtering output circuit, the input terminal of charging module is electrically connected with city, charging module it is defeated
Outlet is connect with battery, and battery is connect with boost module, control module respectively with charging module, sampling module, boost module and
Inverter module connects, and the output end of inverter module is connect with filtering output circuit.
Control module using microcontroller as core, SCM peripheral include reset circuit, crystal oscillating circuit, city's power detection circuit and
Output isolation circuit.
The microcontroller of the present embodiment selects LPC11C14 microcontrollers, is microprocessor for 32, pinouts is as shown in Figure 2.
The reset circuit of microcontroller uses key pulse reset circuit, circuit diagram as shown in Figure 3.Crystal oscillating circuit provides clock letter for system
Number, usual all systems share a crystal oscillator, ensure that each section keeps synchronizing.Crystal oscillator is usually used cooperatively with phaselocked loop, to carry
For the clock frequency needed for system, can be used for the different phaselocked loops of the same crystal oscillator necklace to provide.Microcontroller
The crystal oscillating circuit of LPC11C14 takes 20pf, circuit diagram as shown in Figure 4 using no source crystal oscillator (12Mhz), trimmer.
When alternating current is there is a situation where unexpected power failure phase shortage or external power grid failure, city's power detection circuit can detect immediately,
Circuit diagram as shown in figure 5, city's electrical input signal is sampled by charging voltage to determine whether there is alternating current, when charging voltage be less than
Think to power off when 9V, for charging voltage by R4, the partial pressure of R5 passes through the AD mouths of R9 to CPU.The 110V of single-phase output passes through output
Isolation circuit, as shown in fig. 6, resistance R70, R73 and triode Q13 control RY1 relays, output AC230V is used physical circuit
Relay is isolated, and normal line voltage is isolated in the opened point of RY1
Charging module is made of power supply and charging circuit.Wherein, the circuit diagram of power supply is as shown in fig. 7, charging
The voltage 24V of voltage or battery by three terminal regulator LM317 voltage stabilizings at 12V, 12V by three terminal regulator LM7805 voltage stabilizings at
5V, then 3.3V is changed by voltage-stablizer 1117-3.3 and is powered to microcontroller.Charging circuit is based on UC3845A, and UC3845A chips are
SOT8 pin patches encapsulate, and aim at low pressure applications design, and under-voltage protection gate value is 8.5v (conducting), 7.6V (shutdown)；Electric current
Pattern work reaches 500KHZ switching frequencies；Maximum duty cycle is 0.49 in inverse-excitation type application；Export the dead zone time from 50%~
70% is adjustable, and physical circuit is as shown in figure 8, wherein 48V is power input.
Boost module includes booster driving circuit and push-pull circuit, and wherein driving circuit is to integrate pwm chip
SG3525A is core, and SG3525 is encapsulated using 16 end dual-in-line DIP, and pinouts is as shown in figure 9, entire driving circuit passes through
BOOST signals control.Push-pull circuit is as shown in Figure 10, metal-oxide-semiconductor Q7, Q8, Q11, Q12 and transformer T2 composition push-pull configurations, and two
Pole pipe D17, D18, D23, D24 compositions bridge rectifier C37, C38 are filter circuit, and switch transformer magnetic core utilization rate is high, recommends
When circuit works, only there are one conductings every time for two symmetrical power switch tubes, so conduction loss is small.
Sampling module includes that output voltage sample circuit, current sampling circuit, cell voltage sample circuit and battery are crossed and put
Electric protection circuit.Wherein output voltage sample circuit is as shown in figure 11, and output voltage passes through resistance R63, R64, R65, R66, R71
After partial pressure by resistance R68 and resistance C43 filter transmissions to microcontroller, by relatively sentencing compared with the protection value that microcontroller is set
Disconnected whether overload decides whether to cut off booster circuit.Current sampling circuit is as shown in figure 12, and CURRENT signals pass through resistance R70
With capacitance C46 filter circuits by being transferred to microcontroller, by judging whether to cut off compared with the standard value set in microcontroller
Booster circuit.Cell voltage sample circuit is as shown in figure 13, and the output voltage of battery is straight through resistance R7, R16 and capacitance C14 partial pressures
It connected resistance R11 and capacitance C49 filtering is output to microcontroller, judged whether by the over-pressed and under-voltage standard value set in microcontroller
Whether over-pressed or under-voltage cut off cell voltage.Battery over-discharge protection circuit is as shown in figure 14, and cell voltage is less than voltage-stabiliser tube ZD1
When voltage, Q4 cut-offs, Q3 is also switched off the power supply VIN cut-outs for making entire circuit, and all circuits are stopped to protect battery mistake
Electric discharge.
Inverter module includes SPWM wave generation circuits and inverse changing driving circuit.Wherein, SPWM wave generation circuits use
EG8010 pure sine wave generator inverter chips, are applied to DC-DC-AC two stage powers transform framework or DC-AC single-stage power frequencies become
Depressor boosting inverter framework, external 12MHz crystal oscillators, can realize high-precision, distortion and harmonic wave all very littles pure sine wave
50Hz or 60Hz inverter special chips, peripheral connection figure are as shown in figure 15.Emphasis of the driving circuit as inverter, this
The driving circuit of embodiment is using IR2110 drivers as core, and TTL/COMS level is compatible with input logic circuit, input pin
Threshold value is the 10% of supply voltage Vdd, and each channel is relatively independent.Since logical signal is all by low and high level termination power
It is connected on respective channel, allows to have between logic circuit reference ground (VSS) and power circuit reference ground (COM) that ± 5V's is inclined
It moves, and can shield and be less than 50ns pulses, there is ideal anti-jamming effectiveness in this way.Two high-voltage MOS pipe push-pull drives
The maximum of device pours into or output driving current is up to 2A, and upper bridge arm channel can bear the voltage of 500V.Between input and output signal
Conduction time delay it is smaller, conducting conduction delay time be 120ns, shutdown conduction delay time be 95ns.Power supply VCC is common
Value is 15V, and logic power and analog power share 15V power supplys, logically link together with simulation.Power power-supply is set
The under-voltage protection of VCC, when less than 8.2V, driving output block, specific driving circuit is as shown in figure 16, Q14, Q15, R76,
The exclusive circuit of R78, composition SPWM waves prevent interference signal from leading to bridge conducting up and down.
It is as shown in figure 17 to filter output circuit, metal-oxide-semiconductor Q5, Q6, Q9, Q10 form H-bridge circuit, inductance L2 and capacitance C36 structures
At output filter circuit.
Elevator emergency power supply provided by the present application, input voltage are AC230V ± 15, frequency 50/60Hz, output voltage
AC230V, rated power 150W, frequency 50/60Hz, automatic discharging after mains failure, it is passenger to aim at when power supply breaks down
Elevator provides cage illumination, ventilation and alarm and communication function, when dispatch from foreign news agency network recovery, standby mode can be rapidly switched to, to electricity
It charges in pond.Elevator reliability of operation can be improved in the application, avoids the failure caused by the power failure of extraneous power grid, and therefore
Cause the injury of passenger's body and psychology.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of elevator emergency power supply, when alternating current breaks down, automatic discharging, be the illumination of lift car, ventilation, alarm and
Communication function provides power supply, which is characterized in that including charging module, battery, control module, boost module, sampling module, inversion
Module and filtering output circuit, the input terminal of charging module are electrically connected with city, and the output end of charging module is connect with battery, battery
It is connect with boost module, control module is connect with charging module, sampling module, boost module and inverter module respectively, inversion mould
The output end of block is connect with filtering output circuit, and the sampling module includes output voltage sample circuit, current sampling circuit, electricity
Cell voltage sample circuit and battery over-discharge protection circuit, the output voltage sample circuit by output voltage by resistance R63,
By resistance R68 and resistance C43 filter transmissions to the control module, the current sampling after R64, R65, R66, R71 partial pressure
Circuit is by current signal by resistance R70 and capacitance C46 filter circuits by being transferred to the control module, the cell voltage
The output voltage of battery is directly passed through resistance R11 and capacitance C49 filtering by sample circuit through resistance R7, R16 and capacitance C14 partial pressures
It is output to the control module.
2. a kind of elevator emergency power supply according to claim 1, it is characterised in that：The control module is using microcontroller as core
The heart, the SCM peripheral include reset circuit, crystal oscillating circuit, city's power detection circuit and output isolation circuit.
3. a kind of elevator emergency power supply according to claim 2, it is characterised in that：The microcontroller selects LPC11C14 mono-
Piece machine.
4. a kind of elevator emergency power supply according to claim 1, it is characterised in that：The charging module by power supply and
Charging circuit is constituted.
5. a kind of elevator emergency power supply according to claim 1, it is characterised in that：The boost module includes that boosting drives
Circuit and push-pull circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721194071.5U CN207677500U (en) | 2017-09-18 | 2017-09-18 | A kind of elevator emergency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721194071.5U CN207677500U (en) | 2017-09-18 | 2017-09-18 | A kind of elevator emergency power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677500U true CN207677500U (en) | 2018-07-31 |
Family
ID=62953010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721194071.5U Expired - Fee Related CN207677500U (en) | 2017-09-18 | 2017-09-18 | A kind of elevator emergency power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207677500U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889201A (en) * | 2019-03-05 | 2019-06-14 | 国家电网有限公司 | Signal acquisition circuit and measuring instrument |
| CN111479414A (en) * | 2020-04-23 | 2020-07-31 | 巨人通力电梯有限公司 | Elevator controller packaging method based on PESSRA L technology |
| CN113597054A (en) * | 2021-07-30 | 2021-11-02 | 深圳市比尔达科技有限公司 | Emergency output circuit for starting LED lamp tube with leakage protection |
| WO2023004739A1 (en) * | 2021-07-30 | 2023-02-02 | 深圳市比尔达科技有限公司 | Emergency output circuit used for starting led lamp tube having leakage protection |
| US11991806B2 (en) | 2021-07-30 | 2024-05-21 | Shenzhen Billda Technology Co., Ltd | Emergency output circuit for starting LED lamp tubes with leakage protection |
-
2017
- 2017-09-18 CN CN201721194071.5U patent/CN207677500U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889201A (en) * | 2019-03-05 | 2019-06-14 | 国家电网有限公司 | Signal acquisition circuit and measuring instrument |
| CN111479414A (en) * | 2020-04-23 | 2020-07-31 | 巨人通力电梯有限公司 | Elevator controller packaging method based on PESSRA L technology |
| CN111479414B (en) * | 2020-04-23 | 2021-08-20 | 巨人通力电梯有限公司 | Elevator controller packaging method based on PESSRAL technology |
| CN113597054A (en) * | 2021-07-30 | 2021-11-02 | 深圳市比尔达科技有限公司 | Emergency output circuit for starting LED lamp tube with leakage protection |
| WO2023004739A1 (en) * | 2021-07-30 | 2023-02-02 | 深圳市比尔达科技有限公司 | Emergency output circuit used for starting led lamp tube having leakage protection |
| CN113597054B (en) * | 2021-07-30 | 2024-05-10 | 深圳市比尔达科技有限公司 | Emergency output circuit for starting LED lamp tube with leakage protection |
| US11991806B2 (en) | 2021-07-30 | 2024-05-21 | Shenzhen Billda Technology Co., Ltd | Emergency output circuit for starting LED lamp tubes with leakage protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207677500U (en) | A kind of elevator emergency power supply | |
| CN203312887U (en) | DC emergency power supply | |
| CN103022959A (en) | Method and device for adhesion detection of main contact of alternating-current contactor | |
| CN108020809A (en) | Communication module and the detection alarm method that has a power failure with have a power failure detection and alarm function | |
| CN107069944B (en) | The long-range discharge examination maintenance system of communication storage battery group | |
| CN110371053A (en) | Reserve battery management system and management method built in T-BOX | |
| CN203491774U (en) | Double power supply backup automatic switching apparatus | |
| CN102148529A (en) | Control device and control method thereof for intelligently supplying power to circuit breaker control unit | |
| CN109088430A (en) | Energy-storage system counterflow-preventing protects power supply system and its investigating method | |
| CN207219123U (en) | A kind of light-operated boosting LED function circuit of solar energy | |
| CN109378831A (en) | A kind of control device and control method for SVG equipment by-pass switch | |
| CN104716736A (en) | Control circuit of double-power-supply changeover device | |
| CN205385340U (en) | On line type UPS electrical power generating system | |
| CN202435052U (en) | Wind power converter loop control circuit | |
| CN208971142U (en) | A kind of pre-charging device of train regenerative braking energy feedback system | |
| CN106684972A (en) | Driving device and driving method for increasing standby time of batteries | |
| CN201226418Y (en) | Power supply cabinet | |
| CN105429246A (en) | Circuit and method for automatically disconnecting terminal after full charge | |
| CN207483106U (en) | A kind of elevator emergency safety control | |
| CN206533586U (en) | Block switch brightness adjustment control drive circuit with LED open-circuit-protections | |
| CN203911591U (en) | Monostable pole-mounted permanent magnetic mechanism circuit breaker operation pulse control device | |
| CN209545246U (en) | A kind of dedicated FTU special module power supply | |
| CN208908378U (en) | A kind of cold start-up circuit and device for UPS host | |
| CN208836035U (en) | The control system of permanent magnet synchronous motor with position sensor | |
| CN208722008U (en) | Standby drive board, system, variable frequency driver and intelligent equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180731 Termination date: 20210918 |