CN105934588B - Control device - Google Patents
Control device Download PDFInfo
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- CN105934588B CN105934588B CN201480074256.5A CN201480074256A CN105934588B CN 105934588 B CN105934588 B CN 105934588B CN 201480074256 A CN201480074256 A CN 201480074256A CN 105934588 B CN105934588 B CN 105934588B
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- Prior art keywords
- fan
- voltage
- current transformer
- power
- control device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Inverter Devices (AREA)
- Patch Boards (AREA)
Abstract
Control device possesses current transformer (1), inverter (4), electrolytic capacitor (6), fan power supply portion (12) and control unit.The alternating voltage supplied from AC power (3) is converted to DC voltage by current transformer (1).Inverter (4) is connected by bus (5) with current transformer (1).Electrolytic capacitor (6) is connected between bus (5).Control unit from AC power (3) to the supply of the voltage of current transformer (1) when being cut off, by putting aside the energy driving fan (11) in electrolytic capacitor (6).
Description
Technical field
The present invention relates to the control device with capacitor.
Background technology
Patent document 1 describes the control device that elevator uses.In the control device described in patent document 1, by electricity
Motivation carrys out driving fan as generator.Make the wind from fan to resistance to cool down resistance.
Patent document 2 describes the control device that elevator uses.In the control device described in patent document 2, in wind
Fin is configured between fan.Two fans is rotated to identical direction, carry out cold sink.It is attached in removal on fin
Dust in the case of, 1 fan is rotated in the opposite direction.Wind is set to blow to fin from the fan of both sides.
Patent document 3 describes the control device of control fan.In the control device described in patent document 3, make row
Gas with or cooling fan reverse rotation in a short time.By making fan carry out reverse rotation, dust is removed from filter.
Prior art literature
Patent document
Patent document 1：International Publication 2008/142746
Patent document 2：Japanese Unexamined Patent Publication 2008-169028 publications
Patent document 3：Japanese Unexamined Patent Publication 2007-218216 publications
The content of the invention
The invention problem to be solved
For example, the control device of escalator is safeguarded by special technical staff.Technical staff is when being safeguarded
Cut off the voltage supply from power supply.In addition, technical staff carries out the clear of enclosure interior when being safeguarded in the lump as needed
Sweep.
In the control device described in patent document 1 to 3, when voltage of the cut-out from power supply supplies, it can not drive
Fan.It is thus impossible to efficiently cleaned using fan.
The present invention completes to solve above-mentioned such problem.It is an object of the invention to provide can utilize fan
The control device efficiently cleaned.
The means solved the problems, such as
The control device of the present invention possesses：Current transformer, the alternating voltage supplied from AC power is converted to direct current by it
Pressure；Inverter, it is connected by bus with current transformer；Capacitor, it is connected between bus；Fan power supply portion, it will come from
The voltage conversion of AC power is DC voltage, there is provided to fan；And control unit, it is in the electricity from AC power to current transformer
When pressure supply is cut off, by putting aside the energy driving fan in capacitor.
In addition, the control device of the present invention possesses：Current transformer, it is converted to the alternating voltage supplied from AC power directly
Flow voltage；Inverter, it is connected by bus with current transformer；Capacitor, it is connected between bus；1st fan, it is from friendship
Stop when flowing power supply to current transformer service voltage；And control unit, it is cut in the voltage supply from AC power to current transformer
When disconnected, the 1st fan is driven by the energy put aside in capacitor.
Invention effect
According to the control device of the present invention, can efficiently be cleaned using fan.
Brief description of the drawings
Fig. 1 is the figure of one of the structure for showing the control device in embodiments of the present invention 1.
Fig. 2 is the timing diagram of one of the action for showing the control device in embodiments of the present invention 1.
Fig. 3 is the figure of one of the structure for showing the control device in embodiments of the present invention 2.
Fig. 4 is the timing diagram of one of the action for showing the control device in embodiments of the present invention 2.
Embodiment
Referring to the drawings, the present invention is illustrated.Suitably simplify or the repetitive description thereof will be omitted.In each figure, identical label
Represent identical part or corresponding part.
Embodiment 1.
Fig. 1 is the figure of one of the structure for showing the control device in embodiments of the present invention 1.
Current transformer 1 is connected via main circuit breaker 2 with AC power 3.As AC power 3, for example with three-phase alternating current
Source.The alternating voltage supplied from AC power 3 is converted to DC voltage by current transformer 1.Inverter 4 is via bus 5 and current transformer 1
Connection.Electrolytic capacitor 6 is connected between bus 5.Electrolytic capacitor 6 is smoothed the output voltage from current transformer 1.
Can be as needed, the capacitor of other species is connected between bus 5.
The DC voltage supplied from bus 5 is converted to alternating voltage by inverter 4.Motor 7 is connected on inverter 4.
Motor 7 is driven by inverter 4.
Resistance 8, resistance 9 and switch 10 are connected in series between bus 5.Resistance 8, resistance 9 and switch 10 are between bus 5
It is connected in parallel relative to electrolytic capacitor 6.Resistance 8 and resistance 9 will supply quilt from AC power 3 to the voltage of current transformer 1
Energy conversion of the savings in electrolytic capacitor 6 is heat during cut-out.That is, resistance 8 and resistance 9 are played as discharge resistance and made
With.
Switch 10 from AC power 3 to the voltage of current transformer 1 supply be cut off when, between bus 5 connect resistance 8 with
And resistance 9.For example, switch 10 is normally off state.When switch 10 is off state, resistance 8 and resistance 9 and bus 5
Between do not electrically connect.When main circuit breaker 2 switches to off state from on-state, switch 10 is turned on.When main disconnected
When road device 2 turns into off state, cut off and supplied from AC power 3 to the voltage of current transformer 1.When switch 10 is turned on
When, electrically connected between resistance 8 and resistance 9 and bus 5.Thus, it is changed into electric discharge operating from usual.Generally operating is to use
In the operating of drive motor 7.Electric discharge operating is the operating for making electrolytic capacitor 6 discharge.Switch 10 is as switching
The switch of operation mode plays function.
Fan 11 cools down to the inside for housing the housing of the grade of current transformer 1.For example, in order to produce gas in the inside of housing
Stream, uses fan 11.As other examples, in order to cool down certain specific part, fan 11 is used.In usual operating, from fan
Power supply unit 12 is to the service voltage of fan 11.Fan power supply portion 12 inputs the voltage from AC power 3, is converted to DC voltage and carries
Supply fan 11.
The side of the positive electrode in fan power supply portion 12 is connected via switch 13 with fan 11.Negative side and wind in fan power supply portion 12
Switch etc. is not provided between fan 11.Switch 13 is formed for switching the unit to the equipment of the service voltage of fan 11.Usual
In operating, the side of the positive electrode in fan power supply portion 12 is electrically connected via switch 13 with fan 11.In usual operating, fan 11 by
Fan power supply portion 12 is driven.
When main circuit breaker 2 switches to off state from on-state, switch 13 is by a tie point of fan 11 from wind
The side of the positive electrode of fan power supply unit 12 switches to the negative side of electrolytic capacitor 6.Resistance 8 is with the tie point P1 of resistance 9 with being connected fan
The tie point P2 connections of the negative side of power supply unit 12.In electric discharge operates, the side of the positive electrode in fan power supply portion 12 by switch 13 from
Fan 11 disconnects.Also, the negative side of electrolytic capacitor 6 electrically connects via switch 13 with fan 11.In electric discharge operates, fan
11 energy by being put aside in electrolytic capacitor 6 is driven.
Zener diode 14 is connected between the negative side of tie point P1 and electrolytic capacitor 6.Zener diode 14 is relative
It is connected in parallel in the resistance 9 and switch 10 being connected in series.
Then, specifically illustrated referring also to actions of the Fig. 2 to this control device.Fig. 2 is the implementation for showing the present invention
The timing diagram of one of the action of the control device in mode 1.
In moment t0, main circuit breaker 2 is to turn on state, generally operated.It is right from AC power 3 in usual operating
Current transformer 1 supplies alternating voltage.Voltages keep constant between bus 5, energy is put aside in electrolytic capacitor 6.Motor 7 by
Inverter 4 drives.
In usual operating, switch 10 and switch 13 are all off state.Therefore, the side of the positive electrode warp in fan power supply portion 12
It is electrically connected by switch 13 with fan 11.From fan power supply portion 12 to the service voltage of fan 11.Fan 11 is by fan power supply portion
12 drivings, rotate to certain direction.In the following description, the direction that fan 11 rotates in usual operating is referred to as the 1st
Direction.Fan 11 rotates to the 1st direction, so as to produce air-flow in the inside of housing.Or fan 11 rotates to the 1st direction, from
And cool down specific part.In moment t0, resistance 9 does not electrically connect with the negative side of electrolytic capacitor 6.In addition, fan 11 and electricity
The negative side of electrolysis condenser 6 does not electrically connect.
In moment t1, main circuit breaker 2 switches to off state.For example, in order to safeguard, manually main circuit breaker 2 is switched
For off state.When main circuit breaker 2 turns into off state, current transformer 1, inverter 4 and motor 7 stop.Fan power supply
Portion 12 stops the supply of voltage.In addition, switch 10 and switch 13 switch to on-state.When switch 10 is turned on
When, resistance 8 and resistance 9 are electrically connected with electrolytic capacitor 6.Thus, the voltage of electrolytic capacitor 6 is by resistance 8 and resistance 9
Partial pressure.
When switch 13 is turned on, the negative side of electrolytic capacitor 6 is electrically connected via switch 13 with fan 11
Connect.Thus, the voltage suitable with the voltage of resistance 9 is supplied to fan 11.That is, it is electric from fan to the equipment of the service voltage of fan 11
Source portion 12 switches to electrolytic capacitor 6.In order to supply stable voltage to fan 11, Zener diode 14 is set.
If the control device with said structure, the voltage from AC power 3 to current transformer 1 can be just being cut off
Fan 11 is used to clean after supply.When being safeguarded, it is not necessary to bring the fan of cleaning into from outside.In addition, it is not necessary that
Bring the power supply for driving cleaning fan into from outside.
Fan 11 drives the regular hour after electric discharge operating is started.Before maintenance is started, can effectively it remove attached
The dust in equipment.In addition, in the example depicted in figure 1, by changing the intrinsic standoff ratio of resistance 8 and resistance 9, change alignment
Diode 14 of receiving supplies the time of electric current.That is, can be adjusted by changing the resistance value of resistance 8 and resistance 9 in electric discharge operates
The time of driving fan 11.
In the example depicted in figure 1, tie point P1 is connected with tie point P2.In addition, when starting electric discharge operating, fan 11
A tie point negative side of electrolytic capacitor 6 is switched to from the side of the positive electrode in fan power supply portion 12.Therefore, operated in electric discharge
In, fan 11 rotates to above-mentioned 1st direction in opposite direction.Electric discharge operate in can make the wind from fan 11 to
Generally operating in wind less than position.In addition, it can also change wind direction and make wind in the position that generally operating apoplexy is blown to
Put.
The tie point of fan 11 is switched into electrolytic capacitor 6 from the negative side in fan power supply portion 12 even with switch 13
Side of the positive electrode (tie point P1), can also realize same effect.In the case, in the side of the positive electrode and wind in fan power supply portion 12
Switch etc. is not provided between fan 11.The tie point of side of the positive electrode of the negative side of electrolytic capacitor 6 with being connected fan power supply portion 12 connects
Connect.
Such as fan 11 is configured to relative with the shutter of contactor (contactor) etc..The shutter for example with
The contact opened when main circuit breaker 2 is off state.The shutter can be main circuit breaker 2.Even in main circuit breaker 2 be to connect
Shutter as making wind sound during logical state, can not also remove the dust for lodging in contact.Fan 11 is configured to upward
Wind is stated when the 2nd direction rotates to the contact of shutter.If this structure, then it can make wind when contact is opened to contact
Make a return journey and remove dust.The loose contact of contact can be prevented.In addition, the configuration not limited to this of fan 11.
In the example depicted in figure 1, the control unit of driving fan 11 possesses resistance 8, resistance 9, switch in electric discharge operates
10th, Zener diode 14 and switch 13.
Embodiment 2.
Fig. 3 is the figure of one of the structure for showing the control device in embodiments of the present invention 2.
In embodiment 1, illustrate fan 11 being used for the situation that cools down and clean.In the present embodiment, say
The bright fan 15 for possessing cooling and the situation of the both sides of fan 16 of cleaning.
Fan 15 cools down the inside for the housing for containing the grade of current transformer 1.For example, in order to produce air-flow in the inside of housing,
Use fan 15.As other examples, in order to cool down certain specific part, fan 15 is used.Fan 15 connects with fan power supply portion 12
Connect.Fan power supply portion 12 inputs the voltage from AC power 3, and fan 15 is supplied to after being converted to DC voltage.Fan 15 by
Fan power supply portion 12 drives.
Fan 16 is connected between the negative side of tie point P1 and electrolytic capacitor 6.In addition, tie point P1 is via switch 17
It is connected with fan 16.Switch 17 is normally off state.When switch 17 is off state, fan 16 is not connected electrically in bus 5
Between.When main circuit breaker 2 switches to off state from on-state, switch 17 is turned on.Connect when switch 17 turns into
During logical state, fan 16 electrically connects between bus 5.That is, from AC power 3 to 1 service voltage of current transformer when, fan 16 stops
Only.When cut-out supplies from AC power 3 to the voltage of current transformer 1, fan 16 is driven by the energy put aside in electrolytic capacitor 6
It is dynamic.
The other structures of control device shown in Fig. 3 are identical with the structure disclosed in embodiment 1.
Then, referring also to Fig. 4, the action of this control device is specifically described.Fig. 4 is to show embodiments of the present invention 2
In control device action the timing diagram of one.
In moment t0, main circuit breaker 2 is to turn on state, generally operated.It is right from AC power 3 in usual operating
Current transformer 1 supplies alternating voltage.Make the voltages keep constant between bus 5, in the inner product accumulation of energy amount of electrolytic capacitor 6.Motor 7
Driven by inverter 4.
In usual operating, switch 10 and switch 17 are all off state.Therefore, from fan power supply portion 12 to fan 15
Service voltage.Fan 15 is driven by fan power supply portion 12, is rotated to the 1st direction.Fan 15 rotates to the 1st direction, so as in shell
The inside of body produces air-flow.Or fan 15 rotates to the 1st direction, so as to cool down specific part.In moment t0, resistance 9 with
The negative side of electrolytic capacitor 6 does not electrically connect.In addition, fan 16 is not connected electrically between bus 5.In usual operating, fan
16 stop.
In moment t1, main circuit breaker 2 switches to off state.For example, in order to safeguard, manually main circuit breaker 2 is switched
For off state.When main circuit breaker 2 turns into off state, current transformer 1, inverter 4 and motor 7 stop.Fan power supply
Portion 12 stops the supply of voltage.Therefore, fan 15 stops.In addition, switch 10 and switch 17 are switched into on-state.When opening
When pass 10 is turned on, resistance 8 and resistance 9 electrically connect with electrolytic capacitor 6.Thus, the voltage quilt of electrolytic capacitor 6
Resistance 8 and the partial pressure of resistance 9.
When switch 17 is turned on, fan 16 is connected electrically between bus 5.Thus, by the voltage phase with resistance 9
When voltage be supplied to fan 16.That is, fan 16 is driven by putting aside in the energy in electrolytic capacitor 6.In order to supply fan 16
To stable voltage, Zener diode 14 is set.
Even the control device with said structure, can also play with embodiment 1 disclosed in control device rise
The same effect of the effect that arrives.In addition, if be the control device with said structure, then can be according to easy accumulation dust
Position configures fan 16.Fan 16 need not be configured according to the set location of the fan 15 of cooling.
If the control device with said structure, then can be adjusted by changing the resistance value of resistance 8 and resistance 9
The time of the whole driving fan 16 in electric discharge operates.
Such as fan 16 is configured to relative with the shutter of contactor etc..The shutter is for example with main circuit breaker 2
It is off the contact opened during state.The shutter can be main circuit breaker 2.Fan 16 is configured to make wind to shutter
Contact.If this structure, then when contact is opened wind can be made to be made a return journey to contact except dust.Contact can be prevented
Loose contact.In addition, the configuration not limited to this of fan 16.
In the example shown in Fig. 3, the control unit of driving fan 16 possesses resistance 8, resistance 9, switch 10, Zener diode
14 and switch 17.
Device of the control device for example applied to control escalator disclosed in embodiment 1 and 2.But application examples is not
It is limited to this.In the case, motor 7 is used in order to drive the step of escalator.In escalator, inside framework
Machine Room in be provided with control device.Technical staff must implement control device in narrow place or unstable place
Maintenance and cleaning.As long as possesses the control device disclosed in embodiment 1 and 2 in escalator, it becomes possible in sight
Before being controlled the maintenance of device, the dust for being attached to equipment will be readily removable.
Industrial utilizability
The control device of the present invention can be applied to the device for possessing capacitor.
Label declaration
1 current transformer；2 main circuit breakers；3 AC powers；4 inverters；5 buses；6 electrolytic capacitors；7 motor；8 resistance；9
Resistance；10 switches；11 fans；12 fan power supply portions；13 switches；14 Zener diodes；15 fans；16 fans；17 switches.
Claims (8)
1. a kind of control device, it possesses：
Current transformer, the alternating voltage supplied from AC power is converted to DC voltage by it；
Inverter, it is connected by bus with the current transformer；
Capacitor, it is connected between the bus；
Fan power supply portion, the voltage conversion from the AC power is DC voltage by it, there is provided to fan；And
Control unit, it from the AC power to the supply of the voltage of the current transformer when being cut off, by putting aside in the electricity
The energy of container drives the fan.
2. control device according to claim 1, wherein,
When from the fan power supply portion service voltage, the fan rotates to the 1st direction,
The control unit makes the fan be rotated to the described 1st the 2nd direction in opposite direction.
3. control device according to claim 2, wherein,
The control unit possesses switch, the switch from the AC power to the voltage of the current transformer supply be cut off when,
One tie point of the fan is switched into the negative side of the capacitor or from institute from the side of the positive electrode in the fan power supply portion
The negative side for stating fan power supply portion switches to the side of the positive electrode of the capacitor.
4. the control device according to Claims 2 or 3, wherein,
The fan and the shutter that contact is opened when being cut off from the AC power to the supply of the voltage of the current transformer
Relatively, the contact of the wind to the shutter is made when being rotated to the 2nd direction.
5. a kind of control device, it possesses：
Current transformer, the alternating voltage supplied from AC power is converted to DC voltage by it；
Inverter, it is connected by bus with the current transformer；
Capacitor, it is connected between the bus；
1st fan, it stops when from the AC power to the current transformer service voltage；And
Control unit, it from the AC power to the supply of the voltage of the current transformer when being cut off, by putting aside in the electricity
The energy of container drives the 1st fan.
6. control device according to claim 5, wherein,
The control device is also equipped with：
2nd fan；
Fan power supply portion, the voltage conversion from the AC power is DC voltage by it, there is provided to the 2nd fan.
7. the control device according to claim 5 or 6, wherein,
The control unit possesses switch, the switch from the AC power to the voltage of the current transformer supply be cut off when,
The 1st fan is set to be connected electrically between the bus.
8. the control device according to claim 5 or 6, wherein,
1st fan and the opening and closing that contact is opened when being cut off from the AC power to the supply of the voltage of the current transformer
Device is relative, when being driven by the control unit, makes the contact of the wind to the shutter.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/064765 WO2015186197A1 (en) | 2014-06-03 | 2014-06-03 | Control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105934588A CN105934588A (en) | 2016-09-07 |
| CN105934588B true CN105934588B (en) | 2018-02-02 |
Family
ID=54766296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480074256.5A Active CN105934588B (en) | 2014-06-03 | 2014-06-03 | Control device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6191770B2 (en) |
| CN (1) | CN105934588B (en) |
| WO (1) | WO2015186197A1 (en) |
Citations (7)
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|---|---|---|---|---|
| CN1419517A (en) * | 2000-03-31 | 2003-05-21 | 因温特奥股份公司 | Device and method for reducing the power of the supply connection in lift systems |
| CN1984831A (en) * | 2004-07-12 | 2007-06-20 | 通力股份公司 | Power source as an energy saver and emergency power source in an elevator system |
| CN101202515A (en) * | 2006-12-13 | 2008-06-18 | 株式会社日立产机系统 | Electric power convertion device |
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN101600639A (en) * | 2007-05-16 | 2009-12-09 | 三菱电机株式会社 | Elevator control gear |
| CN101823656A (en) * | 2009-03-06 | 2010-09-08 | 东芝电梯株式会社 | Controlling apparatus for lifts door |
| CN201786566U (en) * | 2010-09-03 | 2011-04-06 | 恒天重工股份有限公司 | Off-grid perpendicular shaft wind-driven generator control system with continuous power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06111978A (en) * | 1992-09-25 | 1994-04-22 | Matsushita Electric Works Ltd | Electric discharge lamp lighting device |
| JP3144524B2 (en) * | 1994-01-13 | 2001-03-12 | 株式会社富士通ゼネラル | Fan cooling device |
| JPH09151896A (en) * | 1995-11-30 | 1997-06-10 | Elna Co Ltd | Electric fan driving device |
| JP2003286994A (en) * | 2002-03-28 | 2003-10-10 | Nec Tokin Ceramics Corp | Drive device of deodorizing fan |
| JP2008169028A (en) * | 2007-01-15 | 2008-07-24 | Hitachi Ltd | Elevator control device |
-
2014
- 2014-06-03 JP JP2016524976A patent/JP6191770B2/en active Active
- 2014-06-03 WO PCT/JP2014/064765 patent/WO2015186197A1/en active Application Filing
- 2014-06-03 CN CN201480074256.5A patent/CN105934588B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419517A (en) * | 2000-03-31 | 2003-05-21 | 因温特奥股份公司 | Device and method for reducing the power of the supply connection in lift systems |
| CN1984831A (en) * | 2004-07-12 | 2007-06-20 | 通力股份公司 | Power source as an energy saver and emergency power source in an elevator system |
| CN101202515A (en) * | 2006-12-13 | 2008-06-18 | 株式会社日立产机系统 | Electric power convertion device |
| CN101600639A (en) * | 2007-05-16 | 2009-12-09 | 三菱电机株式会社 | Elevator control gear |
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN101823656A (en) * | 2009-03-06 | 2010-09-08 | 东芝电梯株式会社 | Controlling apparatus for lifts door |
| CN201786566U (en) * | 2010-09-03 | 2011-04-06 | 恒天重工股份有限公司 | Off-grid perpendicular shaft wind-driven generator control system with continuous power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105934588A (en) | 2016-09-07 |
| JPWO2015186197A1 (en) | 2017-04-20 |
| WO2015186197A1 (en) | 2015-12-10 |
| JP6191770B2 (en) | 2017-09-06 |
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