CN208345518U - Elevator emergency device - Google Patents
Elevator emergency device Download PDFInfo
- Publication number
- CN208345518U CN208345518U CN201820177409.4U CN201820177409U CN208345518U CN 208345518 U CN208345518 U CN 208345518U CN 201820177409 U CN201820177409 U CN 201820177409U CN 208345518 U CN208345518 U CN 208345518U
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- 230000011664 signaling Effects 0.000 claims abstract description 19
- 238000000819 phase cycle Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 208000035541 Device inversion Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The present utility model discloses a kind of elevator emergency device of elevators field, including detection unit, switch unit, charhing unit, power conversion unit and signaling control unit, the detection unit are phase sequence device, and the detection signal of phase sequence device is transmitted to signaling control unit；Switch unit is high-power contactor, and high-power contactor receives the conversion signal of signaling control unit, 380V three-phase dispatch from foreign news agency network source is converted into emergency power supply；Signaling control unit is single-chip microcomputer signal control, power switching signals are issued when receiving phase sequence device and detecting the signal of external power grid 380V phase shortage or power failure, emergency operating signal is issued to elevator control system simultaneously, elevator control system enters contingency mode and elevator is run to level position enabling.The utility model has many advantages, such as that safe and reliable, lightweight and portable in volume, energy-efficient and construction and installation are convenient.
Description
Technical field
The present utility model is related to a kind of elevator emergency device of elevators field.
Background technique
With the progress of society and the improvement of people's living standards, elevator using more and more extensive, elevator has become as people
Daily seating tool, since elevator is that the engineering goods being driven by electricity due to using abrasion or power failure make elevator
Occur surprisingly caning hardly be avoided in routine use, causes carriage to be parked in the situation in hoistway and also happen occasionally, when as elevator faults
Ensure the effective means of passenger safety, elevator emergency device comes into being.Elevator emergency device is that a kind of elevator malfunction is promptly rescued
Equipment is helped, is mainly used in running process of elevator, when AC power source has a power failure or electric-control system breaks down and stops carriage suddenly
When in hoistway, automatic conversion is carried out, cuts off former electric-control system, supplies elevator AC power source and by carriage traction to level position
Back pullout (BPO) enables trapped passengers to be out of danger in time.Elevator emergency system used at present is the starting in elevator power failure, elevator
Emergency set adapter tube elevator controlling power, the control cab low speed for directly driving traction machine are run to door zone position, and then enabling is right
And the power circuit of existing elevator emergency system designs complicated, the utilization efficiency of battery power is lower and output voltage and waveform
It is poor, the defects of keeping emergency flight control unstable.
Summary of the invention
The purpose of the present utility model is overcome the deficiencies in the prior art, proposes a kind of when outer net power failure, electricity
The voltage that ladder device inversion generates exchange AC380V puts people by elevator device automatic emergency to leveling and enabling, reaches automatic emergency
Purpose.
It is of the present utility model to be achieved through the following technical solutions:
A kind of elevator emergency device, elevator emergency device are mounted in elevator control system, it is characterised in that: the electricity
Terraced emergency set includes detection unit, switch unit, charhing unit, power conversion unit and signaling control unit, the inspection
Survey unit is phase sequence device, and phase sequence device is connected to 380V power input, and whether phase sequence device detection external power grid voltage three-phase 380V lacks
Mutually or have a power failure, the detection signal of phase sequence device is transmitted to signaling control unit；Switch unit is high-power contactor, high-power contact
Device receives the conversion signal of signaling control unit, and 380V three-phase dispatch from foreign news agency network source is converted into emergency power supply；The charging list
Member includes charger and battery, and when there is alternating current, AC380V is converted into DC27V and charges a battery automatically by charger；Power supply
Converting unit is for high-frequency inverter working power, when Phase sequence detection to external power grid 380V phase shortage or power failure, signaling control unit
Power switching signals are issued, battery powers to high-frequency inverter, and the direct current of battery is converted into exchanging by high-frequency inverter
380V voltage supplies elevator control cabinet power supply, and signaling control unit is single-chip microcomputer signal control, detects when receiving phase sequence device
Power switching signals are issued when external power grid 380V phase shortage or the signal of power failure, while issuing emergency operating letter to elevator control system
Number, elevator control system enters contingency mode and elevator is run to level position enabling；Above-mentioned technical proposal is made further
Illustrate: the phase sequence device detect three-phase external power grid 380V phase shortage or have a power failure after, signaling control unit output signal to single-chip microcontroller,
Single-chip microcontroller exports the J1 contactor coil voltage that power supply signal all the way supplies high-power contactor simultaneously, then by the negative lock control of contactor
Three-phase main power source J2 contactor coil exports a signal to single-chip microcontroller, when single-chip microcontroller connects in the negative lock of this main power source J2 contactor
It is just to output signal to main power source J2 contactor coil power supply after 3 seconds to simultaneously switch off city when receiving main power source J2 contactor signal
Electric electric power loop, as high-frequency inverter output AC power source for power supply needed for elevator, when elevator automatic emergency to leveling back pullout (BPO),
Elevator control system after elevator trapped person all release is exported into an emergency end signal, when signaling control unit detects
It meets an urgent need after end signal, emergency set automatically exits from system and enters standby mode, after system detects normal alternating current again, answers
Anxious device is automatically into Power Supply Monitoring state, into detecting state, all signal restorings of signaling control unit output；To above-mentioned
Technical solution is further described: the charger that charhing unit AC380V when having alternating current turns DC27V is automatic
It charges a battery, maximum charging current 1.5A, after battery abundance, charger is automatically into trickle charge state；When
Emergency set will stop automatically by discharge resistance after the electricity of electric power storage tank discharge about 20% after charger trickle charge 90 days
Electric discharge, discharge current are up to 1A；Be further described to above-mentioned technical proposal: the high-frequency inverter uses sine wave
Pulse width modulation frequency changing SPWM technology: the operating mode of digital amount, the variation of environment temperature do not influence the performance of device.High frequency is inverse
Change system, supply elevator system power source use SPWM Sine Wave Pulse Width Modulation mode, and are driven by electricity power using TOSHIBA
Module is used as power power supply output, and high-frequency inverter uses low voltage operating, and High-current output makes that complete machine is light and handy, power is big.So that
Elevator emergency starting, operation, stopping are more steady comfortable, and noise is lower.
The utility model has the following beneficial effects:
1. safe and reliable；
2. lightweight and portable in volume, energy-efficient；
3. construction and installation are convenient.
Detailed description of the invention
Fig. 1 is elevator emergency device electrical schematic diagram.
Fig. 2 is emergency set schematic illustration.
Specific embodiment
The content of the utility model is described further with reference to the accompanying drawing:
It as shown is elevator emergency device electrical schematic diagram, including detection unit, switch unit, charhing unit, power supply
Whether converting unit and signaling control unit, detection device detection three-phase 380V have a power failure, and inverter passes through SPWM tune after power failure
Battery direct current 24V is passed through high-frequency inverter pressure stabilizing to exchange 380V, frequency 60Hz for elevator control system by technology processed
Electricity, elevator control system enter contingency mode by elevator run to level position enabling put people, achieve the purpose that emergency.External power grid
Under normal circumstances, it is in standby, while giving battery charging, external power grid has a power failure, and device is devoted oneself to work, when external power grid comes
Standby mode can be rapidly switched to when electric.External power grid has a power failure can be according to actual requirement spirit to the period that device operation is devoted oneself to work
Setting living.The problem of can solve the fault-signal elimination Time Inconsistency of different frequency converters.The runing time of device can be flexible
Setting, the gear selection for thering is the long period to run.To solve to make lift car need to run because hoistway is too long between layers
Long period can just run to the problem of leveling station.The various output signals of the present apparatus are by process control, very accurately, such as transport
Row time etc..Battery group, can be automatically primary to battery charging and discharging every 90 days using maintenance-free battery free of liquid feeding.
Claims (4)
1. a kind of elevator emergency device, elevator emergency device are mounted in elevator control system, it is characterised in that: the elevator
Emergency set includes detection unit, switch unit, charhing unit, power conversion unit and signaling control unit, the detection
Unit is phase sequence device, and phase sequence device is connected to 380V power input, phase sequence device detect external power grid voltage three-phase 380V whether phase shortage
Or have a power failure, the detection signal of phase sequence device is transmitted to signaling control unit；Switch unit is high-power contactor, high-power contactor
The conversion signal for receiving signaling control unit, is converted into emergency power supply for 380V three-phase dispatch from foreign news agency network source；The charhing unit
Including charger and battery, when there is alternating current, AC380V is converted into DC27V and charges a battery automatically by charger；Power supply turns
Unit is changed for high-frequency inverter working power, when Phase sequence detection to external power grid 380V phase shortage or power failure, signaling control unit is sent out
Power switching signals out, battery power to high-frequency inverter, and the direct current of battery is converted into exchanging by high-frequency inverter
380V voltage supplies elevator control cabinet power supply, and signaling control unit is single-chip microcomputer signal control, detects when receiving phase sequence device
Power switching signals are issued when external power grid 380V phase shortage or the signal of power failure, while issuing emergency operating letter to elevator control system
Number, elevator control system enters contingency mode and elevator is run to level position enabling.
2. elevator emergency device according to claim 1, it is characterised in that: the phase sequence device detects three-phase external power grid
After 380V phase shortage or power failure, signaling control unit outputs signal to single-chip microcontroller, single-chip microcontroller while output, and power supply signal is supplied greatly all the way
The J1 contactor coil voltage of power contact, then by the negative lock control three-phase main power source J2 contactor coil of contactor, lead herein
The negative lock of power supply J2 contactor exports a signal to single-chip microcontroller, is 3 seconds when single-chip microcontroller receives main power source J2 contactor signal
Zhong Houcai outputs signal to main power source J2 contactor coil power supply and simultaneously switches off mains supply circuit, is exported and is handed over by high-frequency inverter
Power supply needed for flowing power supply power supply ladder.
3. elevator emergency device according to claim 1, it is characterised in that: the charhing unit is when having alternating current
The charger that AC380V turns DC27V charges a battery automatically, maximum charging current 1.5A, after battery abundance, charging
Device is automatically into trickle charge state；Emergency set is automatically by discharge resistance by battery after charger trickle charge 90 days
Stop electric discharge after the electricity of electric discharge about 20%, discharge current is up to 1A.
4. elevator emergency device according to claim 1, it is characterised in that: the high-frequency inverter uses sine wave arteries and veins
Width modulation frequency conversion SPWM technology, the operating mode of digital amount, the variation of environment temperature do not influence the performance of device, high-frequency inversion
System, supply elevator system power source use SPWM Sine Wave Pulse Width Modulation mode, and are driven by electricity power module using TOSHIBA
The power supply that is used as power output, high-frequency inverter use low voltage operating, High-current output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177409.4U CN208345518U (en) | 2018-02-01 | 2018-02-01 | Elevator emergency device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177409.4U CN208345518U (en) | 2018-02-01 | 2018-02-01 | Elevator emergency device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208345518U true CN208345518U (en) | 2019-01-08 |
Family
ID=64874844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820177409.4U Expired - Fee Related CN208345518U (en) | 2018-02-01 | 2018-02-01 | Elevator emergency device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208345518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065869A (en) * | 2019-06-04 | 2019-07-30 | 上海海翔电气技术有限公司 | A kind of remote monitoring system for elevator Internet of Things emergency set |
-
2018
- 2018-02-01 CN CN201820177409.4U patent/CN208345518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065869A (en) * | 2019-06-04 | 2019-07-30 | 上海海翔电气技术有限公司 | A kind of remote monitoring system for elevator Internet of Things emergency set |
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| 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: 20190108 |