CN206051250U - A kind of bypass frequency conversion control system of public staircase - Google Patents
A kind of bypass frequency conversion control system of public staircase Download PDFInfo
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- CN206051250U CN206051250U CN201621088376.3U CN201621088376U CN206051250U CN 206051250 U CN206051250 U CN 206051250U CN 201621088376 U CN201621088376 U CN 201621088376U CN 206051250 U CN206051250 U CN 206051250U
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- motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
This utility model is related to a kind of bypass frequency conversion control system of public staircase.In solving prior art, public staircase is using pure VFC, long-term uninterrupted using the problem for reducing converter service life.System includes frequency converter unit, motor, bypass changeover switch, passenger detecting unit, bypass changeover switch includes first input end, the second input, outfan and control end, input power is connected respectively on bypass changeover switch first input end, frequency converter unit input, the second input that frequency converter unit outfan is switched with bypass changeover is connected, bypass changeover output switching terminal is connected with motor, and passenger detecting unit is connected with bypass changeover switch control terminal.The utility model has the advantages that power frequency device converter is realized on the basis of pure VFC using bypass frequency conversion control not devoting oneself to work, the service life of converter is extended, without the need for resistance, the heat of machine room is greatly reduced.
Description
Technical field
This utility model is related to a kind of elevator technology field, more particularly to a kind of bypass frequency conversion control system of public staircase
System.
Background technology
It is with expanding economy, more and more for the use of public staircase in city, such as on market, overpass
Extensive use has been carried out all.Unmanned boarding in a period of time occurs during public staircase use, if now public help
Ladder is run also according to normal condition, will there is waste of resource, therefore the how public staircase of existing blood is provided with
In the case of unmanned boarding, reduce the public staircase speed of service or quit work.And the control of these public staircases is general at present
Using pure VFC so that staircase possesses smooth starting, energy-saving run function, but converter and works with host synchronization simultaneously,
Uninterrupted use can reduce the service life of converter device.
The content of the invention
During this utility model mainly solves prior art, public staircase adopts pure VFC, long-term uninterrupted use to subtract
A kind of problem of few converter service life, there is provided the bypass frequency conversion control system of public staircase of protection converter service life
System.
This utility model solves the technical scheme adopted by its technical problem：A kind of bypass frequency conversion control of public staircase
System, including frequency converter unit, motor, bypass changeover switch, passenger detecting unit, the bypass changeover switch include that first is defeated
Enter end, the second input, outfan and control end, input power is connected respectively to bypass changeover switch first input end, frequency conversion
On device unit input, the second input that frequency converter unit outfan is switched with bypass changeover is connected, bypass changeover switch
Outfan is connected with motor, and the passenger detecting unit is connected with bypass changeover switch control terminal.This utility model is adopted
Bypass frequency conversion control realizes power frequency device converter on the basis of pure VFC and does not devote oneself to work, and extends converter
Service life, without the need for resistance, greatly reduces the heat of machine room.Whether passenger detecting unit take advantage of on public staircase for detecting
Visitor, bypass changeover are switched for switching over to main circuit and bypass, and bypass changeover switch receives the signal of passenger detecting unit,
If in the case of having received passenger so that main circuit directly supplies electricity to motor, public staircase normally runs, and frequency converter unit is not
Work.If in the case of receiving without passenger, being switched to bypass, power supply is controlled to motor after converter, so that
Obtain public staircase low cruise or stopping.
Used as a kind of preferred version of such scheme, the passenger detecting unit includes timer, pressure transducer and red
Outer sensor, timer, pressure transducer, infrared sensor are connected respectively to bypass changeover switch control terminal.This programme is adopted
Pressure transducer and infrared sensor are while to have detected whether passenger, it is therefore prevented that staircase occur and erroneous judgement occur.Timer is used for
Timing, when in setting timing time, pressure transducer and all no signal of infrared sensor, then public staircase there is no passenger,
Bypass changeover switch switches to bypass.
As a kind of preferred version of such scheme, reduced-voltage starting switching switch, reduced-voltage starting control unit are also included,
Reduced-voltage starting switching switch is connected between bypass changeover output switching terminal and motor, the connection of reduced-voltage starting control unit input
In bypass changeover output switching terminal, reduced-voltage starting control unit outfan is connected on reduced-voltage starting switching switch control terminal.This
Adopt reduced-voltage starting mode to run motor in scheme, protective effect is served to motor on startup.
As a kind of preferred version of such scheme, thermorelay unit, the thermorelay unit input are also included
End is connected with power supply, and it is defeated that thermorelay unit outfan is connected respectively to bypass changeover switch first input end, frequency converter unit
Enter end.Whether thermorelay unit there is heating exception, the thermorelay unit unit if circuit is overheated in being used to detect circuit
Main circuit is disconnected by disconnection, so as to protect circuit.
As a kind of preferred version of such scheme, Phase sequence detection unit, disconnecting switch, the disconnecting switch are also included
It is connected between power supply and thermorelay unit, Phase sequence detection unit outfan is connected with disconnecting switch control end, Phase sequence detection
Unit input is connected between disconnecting switch and thermorelay unit on circuit.In this programme, Phase sequence detection unit is used to detect
The phase sequence of three-phase electricity in circuit, if it is abnormal to detect that three-phase phase sequence occurs, this sends a signal to disconnecting switch, and control is kept apart
Shut-off is opened, and so as to disconnect main circuit, circuit is protected.
Used as a kind of preferred version of such scheme, the bypass changeover switch includes catalyst KMR and catalyst KMC,
Catalyst KMR connects on the main circuit, and catalyst KMC inputs are connected with frequency converter unit outfan, catalyst KMC outfans
It is connected together with catalyst KMR outfans, is then connected with motor, control end difference on catalyst KMR and catalyst KMC
It is connected on passenger detecting unit.
Used as a kind of preferred version of such scheme, the reduced-voltage starting switching switch includes catalyst KMS and catalyst
KMY, catalyst KMS include switching K1, switch K2, switch K3, and switch K1 one end is connected with motor W1 ends foot, switchs the K1 other ends
It is connected with motor V2 ends foot, switch K2 one end is connected with motor V1 ends foot, the switch K2 other ends are connected with motor U2 ends foot, are switched
K3 one end is connected with motor U1 ends foot, and the switch K3 other ends are connected with motor W2 ends foot, and catalyst KMY includes switching K4, switch
K5, switch K6, switch K4 one end connection motor U2 feet, switch K5 one end connection motor V2 feet, switch K6 one end connection motor W2
Foot, the switch K4 other ends, the switch K5 other ends, the switch K6 other ends are respectively connected together, catalyst KMS and catalyst KMY
Control end be respectively connecting in reduced-voltage starting control unit.
As a kind of preferred version of such scheme, also including fault detection unit, wireless communication unit, the failure inspection
Survey unit input to be connected respectively on Phase sequence detection unit outfan, disconnecting switch outfan, fault detection unit outfan
It is connected with wireless communication unit, wireless communication unit is connected with remote monitoring server by network.Fault detect in this programme
Simultaneously according to the situation of the signal and active road break-make of Phase sequence detection unit, to system, whether failure judges unit, failure
Detector unit receives the abnormal signal that Phase sequence detection unit sends, while the outfan in disconnecting switch can't detect voltage letter again
Breath, then send fault message to remote monitoring server by wireless communication unit, reminds elevator to need to be keeped in repair.This programme
Enable attendant to receive elevator faults information in time, and in time elevator is safeguarded.
The utility model has the advantages that：Power frequency device is realized on the basis of pure VFC using bypass frequency conversion control
Converter is not devoted oneself to work, and extends the service life of converter, without the need for resistance, greatly reduces the heat of machine room.
Description of the drawings
Fig. 1 is a kind of circuit block diagram of the present utility model；
Fig. 2 is a kind of electrical block diagram of the present utility model.
1- motor 2- frequency converter unit 3- bypass changeovers switch 4- passenger detecting unit 5- disconnecting switch 6-
The switching switch 10- timing of Phase sequence detection unit 7- thermorelay unit 8- reduced-voltage starting control units 9- reduced-voltage starting
Device 11- pressure transducer 12- infrared sensors.
Specific embodiment
Below by embodiment, and accompanying drawing is combined, the technical solution of the utility model is further described.
Embodiment：
A kind of bypass frequency conversion control system of public staircase of the present embodiment, as shown in figure 1, including frequency converter unit 2, motor
1st, bypass changeover switch 3, passenger detecting unit 4, bypass changeover switch include first input end, the second input, outfan and
Control end, input power are connected respectively on bypass changeover switch first input end, frequency converter unit input, frequency converter unit
The second input that outfan is switched with bypass changeover is connected, and bypass changeover output switching terminal is connected with motor, described to take advantage of
Objective detector unit is connected with bypass changeover switch control terminal.Passenger detecting unit includes timer 10,11 and of pressure transducer
Infrared sensor 12, timer, pressure transducer, infrared sensor are connected respectively to bypass changeover switch control terminal.
In order to protect motor, system to include reduced-voltage starting switching switch 9, reduced-voltage starting control unit 8, drop on startup
Pressure starts switching switch and is connected between bypass changeover 3 outfans of switch and motor 1, the connection of reduced-voltage starting control unit input
In bypass changeover output switching terminal, reduced-voltage starting control unit outfan is connected on reduced-voltage starting switching switch control terminal.
System also includes thermorelay unit 7, Phase sequence detection unit 6, disconnecting switch 5, thermorelay unit input point
It is not connected with disconnecting switch outfan, Phase sequence detection unit input, thermorelay unit outfan is connected respectively to bypass and cuts
Change switch first input end, frequency converter unit input.Keep apart input to be connected with power supply, Phase sequence detection unit outfan connects
It is connected in disconnecting switch control end.
For elevator faults can be detected in time, and in time elevator can be safeguarded, system also include fault detection unit,
Wireless communication unit, it is defeated that the fault detection unit input is connected respectively to 6 outfan of Phase sequence detection unit, disconnecting switch 5
Go out on end, fault detection unit outfan is connected with wireless communication unit, wireless communication unit is taken with remote monitoring by network
Business device connection.
As shown in Fig. 2 bypass changeover switch includes that catalyst KMR and catalyst KMC, catalyst KMR are connected to main circuit
On, catalyst KMC inputs are connected with frequency converter unit outfan, and catalyst KMC outfans are connected with catalyst KMR outfans
Together, then it is connected with motor, on catalyst KMR and catalyst KMC, control end is connected respectively on passenger detecting unit.
Reduced-voltage starting switching switch include catalyst KMS and catalyst KMY, catalyst KMS include switch K1, switch K2,
Switch K3, switch K1 one end are connected with motor W1 ends foot, and the switch K1 other ends are connected with motor V2 ends foot, switch K2 one end with electricity
Machine V1 ends foot is connected, and the switch K2 other ends are connected with motor U2 ends foot, and switch K3 one end is connected with motor U1 ends foot, and K3 is another for switch
One end is connected with motor W2 ends foot, and catalyst KMY includes switching K4, switch K5, switch K6, switch K4 one end connection motor U2
Foot, switch K5 one end connection motor V2 feet, switch K6 one end connection motor W2 feet switch the K4 other ends, the switch K5 other ends, open
Close the K6 other ends to be respectively connected together, the control end of catalyst KMS and catalyst KMY is respectively connecting to reduced-voltage starting control list
In unit.Switch in bypass changeover and positive contactor KMU and reversion catalyst are additionally provided with and reduced-voltage starting switching switch between
KMD, positive contactor are connected on main circuit, and reversion catalyst is attempted by positive contactor, invert catalyst by triple line
In road, two phase lines are mutually changed connection.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used the terms such as motor, frequency converter unit, bypass changeover switch, passenger detecting unit herein,
But it is not precluded from the probability using other terms.It is used for the purpose of more easily describing and explaining the present invention using these terms
Essence；It is all contrary with spirit of the invention to be construed as any additional restriction.
Claims (8)
1. a kind of bypass frequency conversion control system of public staircase, it is characterised in that：Including frequency converter unit（2）, motor（1）, it is other
Road switching switch（3）, passenger detecting unit（4）, the bypass changeover is switched includes first input end, the second input, output
End and control end, input power are connected respectively on bypass changeover switch first input end, frequency converter unit input, converter
The second input that unit outfan is switched with bypass changeover is connected, and bypass changeover output switching terminal is connected with motor, institute
State passenger detecting unit to be connected with bypass changeover switch control terminal.
2. a kind of bypass frequency conversion control system of public staircase according to claim 1, is characterized in that the occupant detection
Unit（4）Including timer（10）, pressure transducer（11）And infrared sensor（12）, timer, pressure transducer, infrared biography
Sensor is connected respectively to bypass changeover switch（3）Control end.
3. a kind of bypass frequency conversion control system of public staircase according to claim 1, is characterized in that also including blood pressure lowering
Start switching switch（9）, reduced-voltage starting control unit（8）, reduced-voltage starting switching switch be connected to bypass changeover switch（3）Output
End and motor（1）Between, reduced-voltage starting control unit input is connected to bypass changeover output switching terminal, and reduced-voltage starting control is single
First outfan is connected on reduced-voltage starting switching switch control terminal.
4. the bypass frequency conversion control system of a kind of public staircase according to claim 1 or 2 or 3, is characterized in that also including
There is thermorelay unit（7）, the thermorelay unit input is connected with power supply, and thermorelay unit outfan connects respectively
To bypass changeover switch first input end, frequency converter unit（2）Input.
5. a kind of bypass frequency conversion control system of public staircase according to claim 4, is characterized in that also including phase sequence
Detector unit（6）, disconnecting switch（5）, the disconnecting switch is connected to power supply and thermorelay unit（7）Between, Phase sequence detection
Unit outfan is connected with disconnecting switch control end, and Phase sequence detection unit input is connected to disconnecting switch and thermorelay unit
Between on circuit.
6. the bypass frequency conversion control system of a kind of public staircase according to claim 1 or 2 or 3, is characterized in that the side
Road switching switch（3）Including catalyst KMR and catalyst KMC, catalyst KMR connects on the main circuit, catalyst KMC inputs
With frequency converter unit（2）Outfan is connected, and catalyst KMC outfans are connected together with catalyst KMR outfans, then with electricity
Machine is connected, and on catalyst KMR and catalyst KMC, control end is connected respectively to passenger detecting unit（4）On.
7. a kind of bypass frequency conversion control system of public staircase according to claim 3, is characterized in that the reduced-voltage starting
Switching switch includes that catalyst KMS and catalyst KMY, catalyst KMS include switching K1, switch K2, switch K3, switch K1 one end
It is connected with motor W1 ends foot, the switch K1 other ends are connected with motor V2 ends foot, switch K2 one end is connected with motor V1 ends foot, is switched
The K2 other ends are connected with motor U2 ends foot, and switch K3 one end is connected with motor U1 ends foot, switchs the K3 other ends and motor W2 ends foot
It is connected, catalyst KMY includes switching K4, switch K5, switch K6, switch K4 one end connection motor U2 feet, the connection of switch K5 one end
Motor V2 feet, switch K6 one end connection motor W2 feet, the switch K4 other ends, the switch K5 other ends, the switch K6 other ends connect respectively
It is connected together, the control end of catalyst KMS and catalyst KMY is respectively connecting to reduced-voltage starting control unit（8）On.
8. a kind of bypass frequency conversion control system of public staircase according to claim 5, is characterized in that also examining including failure
Unit, wireless communication unit are surveyed, the fault detection unit input is connected respectively to Phase sequence detection unit（6）Outfan, every
Leave pass（5）On outfan, fault detection unit outfan is connected with wireless communication unit, wireless communication unit by network with
Remote monitoring server connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088376.3U CN206051250U (en) | 2016-09-29 | 2016-09-29 | A kind of bypass frequency conversion control system of public staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088376.3U CN206051250U (en) | 2016-09-29 | 2016-09-29 | A kind of bypass frequency conversion control system of public staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206051250U true CN206051250U (en) | 2017-03-29 |
Family
ID=58367687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088376.3U Expired - Fee Related CN206051250U (en) | 2016-09-29 | 2016-09-29 | A kind of bypass frequency conversion control system of public staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206051250U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626193A (en) * | 2019-01-23 | 2019-04-16 | 广东省特种设备检测研究院珠海检测院 | A kind of bypass frequency conversion escalator fault detection method |
| CN109650240A (en) * | 2019-01-23 | 2019-04-19 | 广东省特种设备检测研究院珠海检测院 | A kind of driving device based on escalator fault detection |
| CN110451394A (en) * | 2019-08-09 | 2019-11-15 | 康力电梯股份有限公司 | The method for reducing the operating condition switching time of bypass frequency conversion staircase |
-
2016
- 2016-09-29 CN CN201621088376.3U patent/CN206051250U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626193A (en) * | 2019-01-23 | 2019-04-16 | 广东省特种设备检测研究院珠海检测院 | A kind of bypass frequency conversion escalator fault detection method |
| CN109650240A (en) * | 2019-01-23 | 2019-04-19 | 广东省特种设备检测研究院珠海检测院 | A kind of driving device based on escalator fault detection |
| CN109626193B (en) * | 2019-01-23 | 2020-05-12 | 广东省特种设备检测研究院珠海检测院 | Bypass variable frequency escalator fault detection method |
| CN110451394A (en) * | 2019-08-09 | 2019-11-15 | 康力电梯股份有限公司 | The method for reducing the operating condition switching time of bypass frequency conversion staircase |
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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 |
Granted publication date: 20170329 Termination date: 20200929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |