CN104698865B - Elevator is influenceed simulation system and its analogy method by voltage dip - Google Patents
Elevator is influenceed simulation system and its analogy method by voltage dip Download PDFInfo
- Publication number
- CN104698865B CN104698865B CN201510097361.7A CN201510097361A CN104698865B CN 104698865 B CN104698865 B CN 104698865B CN 201510097361 A CN201510097361 A CN 201510097361A CN 104698865 B CN104698865 B CN 104698865B
- Authority
- CN
- China
- Prior art keywords
- elevator
- voltage
- control gear
- simulation
- electric supply
- Prior art date
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 85
- 238000009434 installation Methods 0.000 claims abstract description 66
- 230000001276 controlling effects Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000019771 cognition Effects 0.000 abstract description 9
- 239000010410 layers Substances 0.000 description 14
- 239000000203 mixtures Substances 0.000 description 4
- 238000000034 methods Methods 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reactions Methods 0.000 description 1
- 230000001052 transient Effects 0.000 description 1
Abstract
Description
Technical field
The present invention relates to elevator control technology field, more particularly to a kind of elevator by voltage dip influenceed simulation system and Its analogy method.
Background technology
Elevator is a kind of vertical conveyor using motor as power, equipped with box-like gondola, for tier building multiply people or Carrying goods.Elevator has the advantages that low energy consumption, efficient energy-saving, lifting speed are fast, is occupied in the routine work life of people Increasingly consequence.
It is in vertical lift system to use the frequency converter very sensitive to transient voltage fluctuations such as voltage dips, power supply more Short time voltage fall or voltage dip often causes vertical lift midway occurs to block, drop suddenly etc. to jeopardize personal safety Failure, the shortcomings that safety in utilization is low be present.Elevator customer can not usually recognize this danger.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing one kind elevator customer can be facilitated to recognize elevator voltage dip situation Elevator influenceed simulation system and its analogy method by voltage dip.
A kind of elevator is influenceed simulation system by voltage dip, including control terminal, electric supply installation, uninterrupted power supply(ups), Elevator control gear, elevator simulation device and waveform supervising device, the control terminal connect the electric supply installation and uninterrupted Supply unit, the elevator control gear connect electric supply installation, uninterrupted power supply(ups) and the elevator simulation device, the ripple Shape supervising device connects the electric supply installation and elevator control gear;
The control terminal is used to send voltage dip and instruct to the electric supply installation, and transmission abatement equipment input to refer to Make to the uninterrupted power supply(ups);
The electric supply installation is used to access civil power and transmit to the elevator control gear, and is receiving the voltage Controlling transmission is temporarily lower than the operating voltage of the elevator control gear to the voltage of the elevator control gear after temporarily drop instruction;
The uninterrupted power supply(ups) is used for after the abatement equipment input instruction is received, conveying voltage to the electricity Terraced control device, the voltage that the elevator control gear receives is set to be not less than its operating voltage;
The elevator control gear is used for when the voltage of reception is not less than operating voltage, controls the elevator simulation device Elevator lifting simulated operation is carried out, and when the voltage of reception is temporarily lower than operating voltage, controls the elevator simulation device Stop elevator lifting simulated operation;
The waveform supervising device is used for the voltage waveform for monitoring the electric supply installation output in real time, and the elevator control The voltage waveform that device processed receives.
A kind of elevator is influenceed the analogy method of simulation system by voltage dip, is comprised the following steps:
Control terminal sends voltage dip and instructed to electric supply installation;
Electric supply installation accesses civil power and transmitted to elevator control gear, and is controlled after the voltage dip instruction is received System transmits to the voltage of the elevator control gear operating voltage for being temporarily lower than the elevator control gear;
The elevator control gear controls the elevator simulation device to stop when the voltage of reception is temporarily lower than operating voltage Only elevator lifting simulated operation;
The control terminal sends the instruction of abatement equipment input to uninterrupted power supply(ups);
The uninterrupted power supply(ups) conveys voltage to the elevator control after the abatement equipment input instruction is received Device processed, the voltage that the elevator control gear receives is set to be not less than its operating voltage;
Elevator control gear controls the elevator simulation device to carry out elevator when the voltage of reception is not less than operating voltage Lift simulated operation;
Waveform supervising device monitor in real time electric supply installation output voltage waveform, and the elevator control gear receive Voltage waveform.
Above-mentioned elevator is influenceed simulation system and its analogy method by voltage dip, control terminal send voltage dip instruct to Electric supply installation, and the instruction of abatement equipment input is sent to uninterrupted power supply(ups).Electric supply installation accesses civil power and transmitted to electricity Terraced control device, and controlling transmission to the voltage of elevator control gear is temporarily lower than elevator after voltage dip instruction is received The operating voltage of control device;Elevator control gear is when the voltage of reception is temporarily lower than operating voltage, control elevator simulation dress Put and stop elevator lifting simulated operation.Uninterrupted power supply(ups) is after abatement equipment input instruction is received, conveying voltage to electricity Terraced control device, the voltage that elevator control gear receives is set to be not less than its operating voltage;Voltage of the elevator control gear in reception During not less than operating voltage, control elevator simulation device carries out elevator lifting simulated operation.Waveform supervising device monitors confession in real time The voltage waveform of electric installation output, and the voltage waveform that elevator control gear receives.By to elevator by voltage dip shadow Ring and countermeasure is demonstrated, cognition degree of the user to voltage dip can be lifted, guiding user cognition voltage dip influences on elevator Mechanism and countermeasure, improve elevator safety in utilization.
Brief description of the drawings
Fig. 1 is the structure chart that elevator is influenceed simulation system by voltage dip in an embodiment;
Fig. 2 is the sinusoidal waveform figure that waveform supervising device is shown in an embodiment;
Fig. 3 is the voltage dip oscillogram that waveform supervising device is shown in an embodiment;
Fig. 4 is the structure chart of the analogy method that elevator is influenceed simulation system by voltage dip in an embodiment.
Embodiment
A kind of elevator is influenceed simulation system by voltage dip, as shown in figure 1, including control terminal 110, electric supply installation 120, Uninterrupted power supply(ups) 130, elevator control gear 140, elevator simulation device 150 and waveform supervising device 160, control terminal 110 connection electric supply installations 120 and uninterrupted power supply(ups) 130, elevator control gear 140 connect electric supply installation 120, uninterrupted electricity Source device 130 and elevator simulation device 150, waveform supervising device 160 connect electric supply installation 120 and elevator control gear 140.
Control terminal 110 is instructed to electric supply installation 120 for sending voltage dip, and sends abatement equipment input instruction To uninterrupted power supply(ups) 130.It can be specifically the equipment such as keyboard, button or touch screen to control terminal 110.Control terminal 110 Send voltage dip to instruct to electric supply installation 120, temporarily drop state as control simulation line voltage.Control terminal 110, which is sent, to be controlled Reason equipment investment is instructed to uninterrupted power supply(ups) 130, as control simulation abatement equipment input state.An implementation wherein In example, control terminal 110 includes the first button and the second button, and first presses key connection electric supply installation 120, temporary for sending voltage Drop is instructed to electric supply installation 120;Second presses key connection uninterrupted power supply(ups) 130, for sending the instruction of abatement equipment input extremely Uninterrupted power supply(ups) 130.
Electric supply installation 120 is used to access civil power and transmit to elevator control gear 140, and refers to receiving voltage dip Controlling transmission is temporarily lower than the operating voltage of elevator control gear 140 to the voltage of elevator control gear 140 after order.Wherein, control System transmits to the voltage of elevator control gear 140 operating voltage for being temporarily lower than elevator control gear 140, that is, refers to output to electricity The voltage of terraced control device there occurs an amplitude is 10%~90% rated voltage, the allusion quotation that the duration is 10 milliseconds~60 seconds Type voltage dip.Electric supply installation 120 carries out voltage dip processing after voltage dip instruction is received, and makes to transmit to elevator controlling The voltage of device 140 is less than the operating voltage of elevator control gear 140, the voltage dip in simulation elevator running work.
Uninterrupted power supply(ups) 130 is used for after abatement equipment input instruction is received, and conveying voltage to elevator controlling fills 140 are put, the voltage that elevator control gear 140 receives is not less than its operating voltage.Controlled using the simulation of uninterrupted power supply(ups) 130 Equipment is managed, transmitting voltage to elevator control gear 140 by uninterrupted power supply(ups) 130 makes its voltage received be not less than work Voltage, simulation abatement equipment input, it is ensured that elevator control gear 140 can be normally carried out controlling work.
Elevator control gear 140 is used for when the voltage of reception is not less than operating voltage, and control elevator simulation device 150 enters Row elevator lifting simulated operation, and when the voltage of reception is temporarily lower than operating voltage, control elevator simulation device 150 stops Elevator lifting simulated operation.Elevator control gear 140 can use the original controller of elevator, specifically may include PLC (Programmable Logic Controller, programmable logic controller (PLC)) and frequency converter etc., for controlling elevator lifting electric The operation of machine and elevator door.Elevator control gear 140 can control elevator simulation device 150 to carry out electricity according to the control instruction of reception Ladder lifting simulated operation.
In one of the embodiments, elevator simulation device 150 includes motor and multi-level elevator model, motor connection elevator Control device 140 and multi-level elevator model;Elevator control gear 140 carries out elevator lifting by motor control multi-level elevator model Simulated operation.Motor concretely threephase asynchronous machine, it is simple in construction, runnability is good and cheap.Multi-level elevator model The specific number of plies can be adjusted according to actual conditions, multi-level elevator model is 4 layers of vertical lift model in the present embodiment, can flexibly be set Put elevator and run any floor between 1 to 4 layer.
Waveform supervising device 160 is used to monitor the voltage waveform that electric supply installation 120 exports in real time, and elevator control gear 140 voltage waveforms received.Waveform supervising device 160 is oscillograph in the present embodiment, the three-phase that display electric supply installation 120 exports The three-phase voltage waveform that voltage waveform and elevator control gear 140 receive.
In one of the embodiments, elevator is influenceed simulation system by voltage dip also includes connection electric supply installation 120 Civil power supervising device, civil power supervising device are used for the output city when electric supply installation 120 accesses civil power and are electrically accessed prompt message.Utilize Civil power supervising device monitors civil power access state, if exception, which occurs, to be known in time.Specifically, civil power monitoring dress in the present embodiment Put including the first monitoring light belt, electric supply installation 120 and elevator control gear 140 can be connected by the first monitoring light belt, in Fig. 1 Shown in chain-dotted line.First monitoring light belt can be by multiple LED (Light Emitting Diode, light emitting diode) lamp group Into, electric supply installation 120 access civil power when light, to prompt civil power access state.
It is appreciated that the mode that the concrete structure of civil power supervising device and output city are electrically accessed prompt message is not only One.In other embodiments, also waveform supervising device 160 and elevator control gear 140 can be connected by the first monitoring light belt, It can also be connected between electric supply installation 120, elevator control gear 140 and elevator simulation device 150 by the first monitoring light belt, Illuminating state is constantly in simulation process, monitors the "on" position between each device.
In one of the embodiments, elevator is influenceed simulation system by voltage dip also includes connection uninterrupted power supply(ups) 130 controlled supervising device;Controlled supervising device is used in the output voltage of uninterrupted power supply(ups) 130 to elevator control gear Abatement equipment input prompt message is exported when 140.Abatement equipment access state is monitored using controlled supervising device, if uninterrupted electricity 130 non-normal output voltage of source device to elevator control gear 140 can know in time.Specifically, controlled supervising device may include Second monitoring light belt, uninterrupted power supply(ups) 130 and elevator control gear 140, Yi Jitong can be connected by the second monitoring light belt The second monitoring light belt connection uninterrupted power supply(ups) 130 and electric supply installation 120 are crossed, uninterrupted power supply(ups) 130 receives power supply dress The civil power of 120 accesses is put, and output voltage is that elevator control gear 140 is powered, as shown in phantom in Figure 1.Electric supply installation 120 exists When exporting civil power to uninterrupted power supply(ups) 130, it can stop exporting civil power to elevator control gear 140.Second monitoring light belt is same Sample can be made up of multiple LEDs, be lighted in 130 output voltage to elevator control gear 140 of uninterrupted power supply(ups), with prompting Abatement equipment access state.Specifically, second monitoring light belt with first monitor light belt can complementation light, in uninterrupted power supply(ups) 130 first monitoring light belts when not working are bright, and when uninterrupted power supply(ups) 130 work, second to monitor light belt bright.Equally, controlled prison It is not unique to control the concrete structure of device and the mode of output abatement equipment input prompt message yet.
In addition, elevator by voltage dip influenceed simulation system may also include connection elevator control gear 140 suggestion device, Suggestion device is used to control elevator simulation device 150 to export the when carrying out elevator lifting simulated operation in elevator control gear 140 One prompt message, and control elevator simulation device 150 to be exported when stopping elevator lifting simulated operation in elevator control gear 140 Second prompt message.The working condition of elevator control gear 140 is monitored using suggestion device, according to elevator control gear Prompt message corresponding to output when 140 control elevator simulation devices 150 are in different conditions.Suggestion device is specific in the present embodiment It may include the relay indicating light for connecting elevator control gear 140, control elevator simulation device 150 to enter in elevator control gear 140 Given a green light during row elevator lifting simulated operation, control elevator simulation device 150 to stop elevator lifting mould in elevator control gear 140 Intend sending out a warning during operation.It is appreciated that the concrete outcome and prompting mode of suggestion device are not unique.
The scheme of simulation system is influenceed to be better understood from elevator by voltage dip, with reference to physical simulation control process Carry out detailed explanation.
1) abatement equipment does not put into situation
The first button and the second button for controlling terminal 110 are not pressed, and electric supply installation 120 accesses civil power to elevator controlling Device 140, the first monitoring light belt of civil power supervising device are lighted, and waveform supervising device 160 shows the electricity that electric supply installation 120 exports The voltage waveform that corrugating and elevator control gear 140 receive is the sinusoidal waveform of three-phase constant amplitude, as shown in Figure 2.It is logical Cross elevator control gear 140 and operate elevator simulation device 150, elevator is set by 1 layer to 4 layers, then by 4 layers to 2 layers, elevator is run Normally.
Elevator is set by 4 layers to 1 layer, during elevator decline, presses the first button, waveform supervising device 160 is shown The voltage waveform that the voltage waveform and elevator control gear 140 that electric supply installation 120 exports receive is changed into typical voltage dip Waveform, as shown in Figure 3.Meanwhile the relay indicating light for connecting elevator control gear 140 is changed into red from green, elevator simulation dress Put 150 to stop suddenly, elevator card is between floors.
2) abatement equipment input situation
The second button is pressed, the first button is not pressed, and the second monitoring light belt of controlled supervising device is lighted, uninterrupted power source Device 130 puts into operation.Electric supply installation 120 accesses civil power to uninterrupted power supply(ups) 130, via uninterrupted power supply(ups) 130 Powered to elevator control gear 140, the first monitoring light belt extinguishes, the second monitoring light belt is lighted, and the display of waveform supervising device 160 supplies The voltage waveform that the voltage waveform and elevator control gear 140 that electric installation 120 exports receive is the sine of three-phase constant amplitude Waveform, as shown in Figure 2.Elevator simulation device 150 is operated by elevator control gear 140, elevator is set by 1 layer to 4 layers, by 4 Layer is to 2 layers, elevator normal operation.
Elevator is set by 4 layers to 1 layer, during elevator decline, presses the first button, waveform supervising device 160 is shown Electric supply installation 120 export voltage waveform be changed into typical voltage dip waveform, as shown in figure 3, but elevator control gear 140 connect The voltage waveform of receipts is still the sinusoidal waveform of three-phase constant amplitude, as shown in Fig. 2 simultaneously, connecting the work of elevator control gear 140 Make indicator lamp and still run to floor nearby for green, elevator and open elevator door.
Above-mentioned elevator is influenceed simulation system by voltage dip, is used to guide power consumer to recognize voltage at present still lacking The mechanism and the present situation of countermeasure that temporarily drop influences on vertical lift, by being carried out on elevator by voltage dip influence and countermeasure Demonstration, cognition degree of the user to voltage dip can be lifted, the mechanism and reply that guiding user cognition voltage dip influences on elevator Strategy, improve elevator safety in utilization.From mock-up combination ripple shaped screen, small investment, there is good economy.
The analogy method of simulation system is influenceed by voltage dip present invention also offers a kind of elevator, based on control terminal, Electric supply installation, uninterrupted power supply(ups), elevator control gear, elevator simulation device and waveform supervising device are realized.Such as Fig. 4 institutes State, the analogy method that elevator is influenceed simulation system by voltage dip comprises the following steps:
Step S110:Control terminal sends voltage dip and instructed to electric supply installation.Control terminal can be specifically keyboard, by The equipment such as button or touch screen.Control terminal sends voltage dip and instructed to electric supply installation, is temporarily dropped as control simulation line voltage State.
Step S120:Electric supply installation accesses civil power and transmitted to elevator control gear, and refers to receiving voltage dip Controlling transmission is temporarily lower than the operating voltage of elevator control gear to the voltage of elevator control gear after order.Wherein, controlling transmission Voltage to elevator control gear is temporarily lower than the operating voltage of elevator control gear, that is, refers to output to elevator control gear Voltage there occurs an amplitude is 10%~90% rated voltage, the exemplary voltages that the duration is 10 milliseconds~60 seconds temporarily drop. Electric supply installation carries out voltage dip processing after voltage dip instruction is received, and makes to transmit to the voltage of elevator control gear and is less than The operating voltage of elevator control gear, the voltage dip in simulation elevator running work.
Step S130:Elevator control gear controls elevator simulation device when the voltage of reception is temporarily lower than operating voltage Stop elevator lifting simulated operation.Elevator control gear can use the original controller of elevator, specifically may include PLC and change Frequency device etc., for controlling the operation of elevator bridge motor and elevator door.Elevator control gear can be according to the control instruction control of reception Elevator simulation device processed carries out elevator lifting simulated operation.
Step S140:Terminal is controlled to send the instruction of abatement equipment input to uninterrupted power supply(ups).Control terminal, which is sent, to be controlled Reason equipment investment is instructed to uninterrupted power supply(ups), as control simulation abatement equipment input state.
Step S150:Uninterrupted power supply(ups) conveys voltage to elevator controlling after abatement equipment input instruction is received and filled Put, the voltage that elevator control gear receives is not less than its operating voltage.Abatement equipment is simulated using uninterrupted power supply(ups), is led to Crossing uninterrupted power supply(ups) transmission voltage to elevator control gear makes its voltage received be not less than operating voltage, and simulation improvement is set Standby input, it is ensured that elevator control gear can be normally carried out controlling work.Now no matter whether electric supply installation receives voltage dip Instruction, the voltage that uninterrupted power supply(ups) receives elevator control gear are not less than its operating voltage.
Step S160:When the voltage of reception is not less than operating voltage, control elevator simulation device enters elevator control gear Row elevator lifting simulated operation.The voltage that elevator control gear receives when be not less than its operating voltage can normal work, control is electric Terraced analogue means carries out elevator lifting simulated operation.
Step S170:Waveform supervising device monitors the voltage waveform of electric supply installation output, and elevator control gear in real time The voltage waveform of reception.Waveform supervising device is oscillograph in the present embodiment, the three-phase voltage waveform of display electric supply installation output The three-phase voltage waveform received with elevator control gear.
In one of the embodiments, elevator is influenceed the analogy method of simulation system also including civil power monitoring by voltage dip Device output city when electric supply installation accesses civil power is electrically accessed prompt message, and/or controlled supervising device fills in uninterrupted power source The step of abatement equipment input prompt message is exported when putting output voltage to elevator control gear.Monitored using civil power supervising device Civil power access state, if exception, which occurs, to be known in time;Abatement equipment access state is monitored using controlled supervising device, if between not The power-off non-output voltage of source device to elevator control gear can know in time.
In one of the embodiments, elevator, which is influenceed the analogy method of simulation system by voltage dip, also includes suggestion device The first prompt message is exported when elevator control gear control elevator simulation device carries out elevator lifting simulated operation, and in electricity The step of terraced control device control elevator simulation device stops exporting the second prompt message during elevator lifting simulated operation.Using carrying Showing device is monitored to the working condition of elevator control gear, controls elevator simulation device to be in not according to elevator control gear With prompt message corresponding to output during state.
The embodiment of each step, the concrete structure of relevant apparatus and physical simulation control process are above-mentioned above Elevator is influenceed to have carried out detailed explanation in simulation system by voltage dip, will not be repeated here.
Above-mentioned elevator is influenceed the analogy method of simulation system by voltage dip, is used to guide electric power to use at present still lacking The mechanism and the present situation of countermeasure that family cognition voltage dip influences on vertical lift, by being influenceed on elevator by voltage dip And countermeasure is demonstrated, cognition degree of the user to voltage dip can be lifted, guiding user cognition voltage dip influences on elevator Mechanism and countermeasure, improve elevator safety in utilization.From mock-up combination ripple shaped screen, small investment, have well Economy.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510097361.7A CN104698865B (en) | 2015-03-04 | 2015-03-04 | Elevator is influenceed simulation system and its analogy method by voltage dip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510097361.7A CN104698865B (en) | 2015-03-04 | 2015-03-04 | Elevator is influenceed simulation system and its analogy method by voltage dip |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104698865A CN104698865A (en) | 2015-06-10 |
CN104698865B true CN104698865B (en) | 2017-11-10 |
Family
ID=53346109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510097361.7A CN104698865B (en) | 2015-03-04 | 2015-03-04 | Elevator is influenceed simulation system and its analogy method by voltage dip |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104698865B (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001188545A (en) * | 1999-12-28 | 2001-07-10 | Fujitsu Denso Ltd | Motor siren tester |
WO2003001224A1 (en) * | 2001-06-22 | 2003-01-03 | Johnson Controls Technology Company | Battery characterization system |
US9484850B2 (en) * | 2012-10-18 | 2016-11-01 | Regal Beloit America, Inc. | Voltage regulator and methods for simulating reactive power in parallel power generation systems |
CN103631151B (en) * | 2013-11-11 | 2017-10-03 | 广州供电局有限公司 | voltage sag physical simulation system and its control method |
CN204536759U (en) * | 2015-03-04 | 2015-08-05 | 广州供电局有限公司 | Elevator affects simulation system by voltage dip |
-
2015
- 2015-03-04 CN CN201510097361.7A patent/CN104698865B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN104698865A (en) | 2015-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9051155B2 (en) | Elevator rescue system including communications over a rescue operation signal transmission path | |
CN101340106B (en) | Power supply system of elevator | |
CN102085985B (en) | Elevator power saving system and power saving method | |
CN103283311A (en) | Wireless adaptation of lighting power supply | |
CN104181916B (en) | Method for detecting spare parts to be detected of wind turbine generator main control systems | |
US20080149432A1 (en) | Method and system for modernization of an elevator installation | |
CN102498055B (en) | Conveying system | |
CN104933928A (en) | Practical training device capable of detecting wiring correctness of circuit automatically | |
EP2605989B1 (en) | Electricity supply apparatus and an elevator system | |
CN102120072B (en) | Control and polling inspection integrated electrical system of fire pump group | |
CN105625784A (en) | Control system of rapid variable-frequency lifting and transverse-moving parking equipment | |
KR101216882B1 (en) | Smart Switching Apparatus and Method for Electric Power Saving | |
US20180215578A1 (en) | Method and device for determining an operating state of an elevator system | |
CN201850012U (en) | Device for simulating running of elevator | |
CN102849544B (en) | Elevator lift control system and method | |
EP2801545A1 (en) | Standby mode of an elevator | |
US8994388B2 (en) | Low-voltage testing device for high-voltage frequency converter of serial superposition voltage type | |
CN101353125A (en) | Safety monitoring system of elevator | |
CN203833408U (en) | Automatic detection device for brake of traction machine | |
CN104285384B (en) | Electric line communication system | |
CN205257696U (en) | Elevator safety loop fault location system | |
CN102026436A (en) | Led traffic signal with synchronized power pulse circuit | |
CN102520354A (en) | Asynchronous motor test system based on labview platform | |
CN2935584Y (en) | Automatic system analog simulation test apparatus of power distribution network | |
CN103523624B (en) | Backup rescue system of elevator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190929 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Co-patentee before: Guangzhou Lang Qing Energy Science Co., Ltd Patentee before: Guangzhou Power Supply Bureau Effective date of registration: 20190929 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Co-patentee before: Guangzhou Lang Qing Energy Science Co., Ltd Patentee before: Guangzhou Power Supply Bureau |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200917 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |