CN106081766A - The control method of lift car internal pressure - Google Patents
The control method of lift car internal pressure Download PDFInfo
- Publication number
- CN106081766A CN106081766A CN201610453048.7A CN201610453048A CN106081766A CN 106081766 A CN106081766 A CN 106081766A CN 201610453048 A CN201610453048 A CN 201610453048A CN 106081766 A CN106081766 A CN 106081766A
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- China
- Prior art keywords
- pressure
- lift car
- change
- state
- change rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
Abstract
When elevator lifting, because the change of lift car internal pressure can produce ear choking phenomenon.Make lift car internal pressure repeatedly change between two kinds of different pressure change rates, thus induce passenger and swallow the control method of action and can effectively relax above-mentioned ear choking phenomenon., in existing control mode, need the most repeatedly relative to atmospheric pressure, the pressure in lift car to be switched to malleation and negative pressure, there is structure and the problem of control method complexity controlling device.When elevator declines, first half (T ＜ T0) at runtime, only constituted stair-stepping Stress control with the barotropic state in lift car, latter half (T ＞ T0) at runtime, is only constituted stair-stepping Stress control with the negative pressure state in lift car.Thus, pressure control device only need to be implemented once to switch (i.e. switching to decompression state from pressurized state) and can be realized as Stress control.
Description
The application is Application No. 201310674720.1, filing date December in 2013 11 days, invention entitled " elevator
The control method of cab interior pressure " the divisional application of application.
Technical field
The present invention relates to the control method of a kind of lift car internal pressure, especially relate to a kind of at ultrahigh speed or super large
The elevator of stroke reduces the pressure control of the ear choking phenomenon caused because of the change of lift car internal pressure during lifting
Method processed.
Background technology
At middle lift facilities using the lift car to be carried out at high speed lifting with big stroke such as high buildings, upper
Stating in lift facility, lift car content is easily generated pressure change drastically, passenger can be caused to produce ear and block and uncomfortable
Sense.In order to improve this phenomenon, have been proposed that various solution in the prior art.
As the background technology of the art, Patent Document 1 discloses and a kind of use in Super High mansion
Lift facility, in this lift facility, by make the air pressure in lift car along with the stepped change of the lifting of lift car,
Can induce the passenger in lift car effectively swallows action such that it is able to prevent or relax the abnormal sensory of ear.Should
Being provided with supercharging adjusting apparatus in lift facility, this supercharging adjusting apparatus has to be examined the air pressure inside and outside lift car respectively
Survey gas pressure detector, to carrying out the pressurizer of supercharging in lift car and controlling the microcomputer of this pressurizer.Micro-
Type computer has the comparing unit comparing the air pressure inside and outside lift car and controls pressurizer according to comparative result
The function of pressurization control unit, starting to start from lift car and stopping to lift car, make the air pressure in lift car
Stepped change in the range of setting.According to patent documentation 1, by making the stepped change of air pressure in lift car
Change, it is possible to make passenger recognize the change of air pressure, swallow action by making passenger carry out effectively, it is possible to relax the exception of ear
Sensation.
Additionally, Patent Document 2 discloses a kind of lift facility, its pressure in lift car is carried out pressurization and
During decompression, it is possible to eliminate pressure change drastically, while making passenger recognize pressure change, give passenger and carry out swallowing dynamic
The time made.Controlled by pressure adjustment unit and the control unit thereof that the pressure in lift car is pressurizeed and reduces pressure
System so that within the time of regulation, the pressure in lift car is pressurizeed and reduces pressure, and will pressurization and post-decompression pressure
Power maintains the time of regulation.
According to patent documentation 2, eliminate pressure drastically by control method as above and change, it is possible to relax because of urgency
The ear function obstacle of the passenger that acute pressure changes and causes, it is possible to make passenger recognize the change of pressure effectively, by inciting somebody to action
Pressurization and post-decompression pressure maintain the time of regulation, it can be ensured that carry out the ear for elimination is caused by pressure change and block
Swallow the time needed for action, it is possible to eliminate passenger ear block and discomfort.Additionally, according to patent documentation 2
Record, when elevator is accelerated and slows down, due to speed than normal lifting time speed slow, and around lift car
Rate of pressure change is low, it is therefore necessary to the rate of pressure change reduced in the lift car of stepped change.
Citation
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 7-112879 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2009-137737 publication
According to the compress control method disclosed in patent documentation 1 and patent documentation 2, carry out swallowing action by giving passenger
The required time eliminates ear and blocks., according to the compress control method of patent documentation 2, the most as shown in Figure 2 and Figure 5,
Making the atmospheric pressure state in lift car is being repeatedly to change between malleation and the state of negative pressure relative to atmospheric pressure.It is to say,
Owing to switching the pressurization in lift car and decompression continually, so the structure of control device and control method become complicated, deposit
Causing the problem of cost increase.
Summary of the invention
In order to solve above-mentioned problem, in the present invention, when elevator declines, first half (T ＜ T0) at runtime,
Only constituted stair-stepping Stress control with the barotropic state in lift car, latter half (T ＞ T0) at runtime, only
Being constituted stair-stepping Stress control with the negative pressure state in lift car, therefore, pressure control device only need to be implemented once to cut
Change (i.e. switching to decompression state from pressurized state) and can be realized as Stress control.
Additionally, when elevator rises, first half (T ＜ T0) at runtime, only with the negative pressure shape in lift car
State constitutes stair-stepping Stress control, and latter half (T ＞ T0) at runtime, only with the barotropic state in lift car
Constitute stair-stepping Stress control.
Invention effect
According to the present invention, by controlling the pressure in the lift car during elevator lifting stepwise, it is possible to induction is taken advantage of
Visitor swallows action, it is possible to eliminates ear in early days and blocks and discomfort.Additionally, have only to implement once in elevator lifting
The switching between barotropic state and negative pressure state in lift car, realizes above-mentioned pressure controlled pressure control it is possible to simplify
The structure of device processed and control method.
Accompanying drawing explanation
Fig. 1 is the structure chart of the lift facility involved by the first embodiment of the present invention.
Fig. 2 is the explanatory diagram of the pressure control mode involved by the first embodiment of the present invention.
Fig. 3 is the explanatory diagram of the effect of the pressure fan during malleation involved by the first embodiment of the present invention.
Fig. 4 is the explanatory diagram of the effect of the pressure-regulating valve during malleation involved by the first embodiment of the present invention.
Fig. 5 is the explanation of the effect of the pressure fan during negative pressure involved by the first embodiment of the present invention and pressure-regulating valve
Figure.
Fig. 6 is the explanatory diagram of the pressure control mode involved by the second embodiment of the present invention.
Fig. 7 is the explanatory diagram of the comparative example of the pressure control mode involved by the third embodiment of the present invention.
Fig. 8 is the explanatory diagram of the pressure control mode involved by the third embodiment of the present invention.
Description of reference numerals is as follows:
1 lift car
2 pressure fan
3 pressure-regulating valves
4 pressure measuring units
5 pipe arrangements
6 control device
Detailed description of the invention
The control method to lift car internal pressure involved in the present invention referring to embodiment and accompanying drawing.
First embodiment
Fig. 1 is the structure chart of the lift facility involved by the first embodiment of the present invention.As it is shown in figure 1, first embodiment
Lift facility by lift car 1, to one or more pressure fan 2 pressurizeed in lift car 1 and reduce pressure, link elevator
The pipe arrangement 5 of car 1 and pressure fan 2, made the pressure that maintains in the lift car of barotropic state or negative pressure state by pressure fan 2
Towards atmospheric pressure side change pressure-regulating valve 3, measure the pressure measuring unit 4 of pressure in lift car 1 and according to piezometry
The lift car internal pressure that device 4 records is constituted to the control device 6 controlling pressure fan 2 and pressure-regulating valve 3.
Pressure fan 2 sends into air or from lift car 1 air-out to lift car 1, thus to elevator car by pipe arrangement 5
Railway carriage or compartment internal pressure is pressurizeed or is reduced pressure.Pressure-regulating valve 3 by from be in barotropic state lift car 1 discharge pressure or to
The lift car 1 being in negative pressure state imports air to the pressure regulating in lift car.
Fig. 2 is the explanatory diagram of the pressure control mode involved by the first embodiment of the present invention.Fig. 2 represents when elevator declines
Lift car external pressure (atmospheric pressure) and lift car air pressure inside time dependent change.Lift car external pressure is at electricity
Ladder is setting when being positioned at the superiors, and along with the change of elevator decrease speed, according to the shape of S-shaped slowly shown in Fig. 2
Pressure curve rises.Staircase curve represents the controlled lift car air pressure inside of the lift facility 1 of Fig. 1, in travel of elevator (lift)
Substantially central portion, with the near intersections of lift car external pressure and the inclined straight line spaces of lift car air pressure inside time
Between on the basis of (T=T0), from switching to the negative pressure less than lift car external pressure higher than the malleation of lift car external pressure.
In the first embodiment, T0 is set near the substantial middle of lift car driving operation time.
On the other hand, pressure control mode when elevator rises, centered by the vertical line of the time T0 of the central authorities of Fig. 2,
Pressure control mode when declining with the elevator of Fig. 2 forms symmetric shape.
Then illustrate in case of when the elevator shown in Fig. 2 declines.First half (T ＜ at runtime
T0), from pressure fan 2, air is sent in lift car 1 so that lift car air pressure inside becomes barotropic state.Such as Fig. 3 institute
Show, the air output of pressure fan 2 need to be set to make the pressure curve A in lift car 1 exceed lift car external pressure with
Air demand needed for the pressure that near linear represents and capacity.Here, by the pressure of the S-shaped shape according to lift car external pressure
It is near that the pressure curve of the S-shaped shape of lift car external pressure is approximated to straight line and obtains by the initiating terminal of force curve and end end
The near linear of lift car external pressure it is defined as like straight line.
The explanatory diagram of the effect of pressure-regulating valve when Fig. 4 is to represent the malleation involved by the first embodiment of the present invention.
Measure lift car internal pressure by pressure measuring unit 4, be controlled by controlling device 6, calculate in making lift car 1
Pressure curve B according to regulation the stepped aperture being changed required pressure-regulating valve 3, by regulation pressure-regulating valve
The aperture of 3 so that the air in lift car 1 properly lets out outside, thus makes the pressure in lift car 1 stepped
Change.
By above action, it is possible to when elevator declines, first half (T ＜ T0) at runtime, by elevator car
Pressure in railway carriage or compartment 1 maintains malleation, say, that pressurize to lift car 1 is internal by sending into air from pressure fan 2,
Stair-stepping pressure changing pattern can be constituted.In above-mentioned control, carry out Stress control iff by pressure fan 2, by
In bad response, however, it is difficult to accomplish to switch at short notice pressure.Therefore, pressure-regulating valve 3 and pressure fan 2 are carried out group
Close, it is ensured that quickly form the response needed for stair-stepping pressure changing pattern.Now, in order in advance to by pressure-regulating valve 3
The pressure loss caused compensates, it is preferred to use have the air quantity of high standard and the pressure fan 2 of static pressure.
Fig. 5 is the explanation of the effect of the pressure fan during negative pressure representing latter half when elevator declines and pressure-regulating valve
Figure.As it is shown in figure 5, when elevator declines, latter half (T ＞ T0) at runtime, by pressure fan 2 by lift car 1
Interior air is discharged so that the internal pressure curve C of lift car becomes negative pressure state.Thereby, it is possible to by lift car 1
Portion's pressure curve control is made smaller than the pressure represented with the near linear of lift car external pressure.
Then, measured the internal pressure of lift car by pressure measuring unit 4, and calculate by controlling device 6
Make the pressure curve D in lift car 1 according to the stepped aperture being changed required pressure-regulating valve 3 of regulation, pass through
The aperture of regulation pressure-regulating valve 3 is controlled, it is possible to makes appropriate air flow in lift car 1, thus enables that electricity
The stepped change of pressure in ladder car 1.
By above action, when elevator declines, latter half (T ＞ T0) at runtime, by lift car 1
Pressure maintain negative pressure, say, that by pressure fan 2 from lift car 1 air-out and by use pressure-regulating valve
3, it is possible to constitute stair-stepping pressure changing pattern.
As in figure 2 it is shown, in the first embodiment, in order to carry out stair-stepping Stress control, it is only necessary to when elevator runs
Pressurization in lift car 1 and decompression are once switched.Malleation in lift car 1 and the switching time of negative pressure are i.e.
T0 not necessarily will be in the central authorities of lift car lifting travel, as long as being able to ensure that malleation and the negative pressure of certain time, then should
Time (T0) can change between lift car lifting travel.
Second embodiment
Fig. 6 is the explanatory diagram of the pressure control mode involved by the second embodiment of the present invention.In figure 6, transverse axis represents
Time, the longitudinal axis represents the lift car external pressure of the change in location along with the lift car 1 in elevator lifting, as it has been described above,
According to lift car external pressure S-shaped shape pressure curve initiating terminal and terminate end by the S-shaped of lift car external pressure
The pressure curve of shape is approximated to straight line and obtains near linear, and this near linear is defined as the approximation of lift car external pressure
Straight line.
In a second embodiment, the stepped pressure changing pattern of lift car internal pressure is configured at lift car
Interior zone change between pressure curve and the near linear of the S-shaped shape of external pressure.Due to lift car internal pressure in
Stepped change, it is possible to the ear of passenger is blocked be reduced to suitable degree of while, give passenger and carry out swallowing dynamic
The time made, it is possible to effectively alleviate ear and block.Additionally, with the pressure controling mode phase of the first embodiment shown in Fig. 1
Ratio, it is possible to reduce further between pressure curve and the stair-stepping pressure curve of the S-shaped shape as lift car external pressure
Difference.It is to say, owing to reducing the pressure differential between the pressure in lift car 1 and the pressure of extraneous air, so
The flow discharged from pressure fan can be reduced, and air-tightness, intensity and the rigidity that lift car 1 should have can be reduced
Deng, it is possible to realize the pressure control device of low cost.
3rd embodiment
Fig. 7 is the explanatory diagram of the comparative example of the pressure control mode involved by the third embodiment of the present invention.Fig. 8 is this
The explanatory diagram of the bright pressure control mode involved by the 3rd embodiment.
In the first embodiment, the stairstepping of lift car internal pressure is as it is shown in fig. 7, by the first pressure changing unit
(pressure change rate P1/T1) and the second pressure changing unit (pressure change rate is 0) the two part is constituted.Its objective is
One pressure changing unit makes pressure change, and in the second pressure changing unit, pressure is kept certain, thus promotes passenger to swallow
Lower action.
The present inventor etc. are for the stairstepping of lift car internal pressure, by the first pressure change rate (P1/T1) and
The pressure differential (P1, P2) of two pressure change rates (P2/T2), pressure transformation period (T1, T2) and a ladder is as parameter, to upper
The relatedness stated between factor and ear obstruction is proved.Can effectively relax what ear blocked as a result of which it is, have found
Stairstepping.
In the third embodiment, as shown in Figure 8, by the pressure change rate (P1/T1) and second of the first pressure changing unit
The pressure change rate (P2/T2) of pressure changing unit be respectively set as be not 0 two kinds of constant pressure slowly and drastically become
Rate.Additionally, the pressure change rate (P2/T2) of pressure change rate the second pressure changing unit slowly is set as that pressure changes
The pressure change rate of 0.1～0.5 times of the pressure change rate (P1/T1) of rate the first pressure changing unit drastically, and will be each
From pressure transformation period (T1, T2) be set in respectively in the range of 3～7 seconds.Known can effectively be changed by said method
The alleviation effects that kind ear blocks.
By the pressure change rate P1/T1 drastically in two kinds of pressure change rates slowly and drastically is arranged on elevator car
The crossover location (T=T0) of railway carriage or compartment external pressure curve and near linear, it is possible to reduce carry out in described lift car 1 pressurization and
Air demand required during the switching reduced pressure and capacity, and switching can be made to become convenient.
Its reason is, when carrying out above-mentioned switching, is being applied with the second pressure change as pressure change rate slowly
In the case of the pressure change rate (P2/T2) of part, owing to making the pressure adding decompression become relative to lift car external pressure
Greatly, needing moment to be transformed to decompression state from pressurized state, so needing to configure the equipment that pressure change speed is big, causing cost
Rise.On the other hand, when carrying out above-mentioned switching, it is being applied with the first pressure changing unit as pressure change rate drastically
Pressure change rate (P1/T1) in the case of, the rate of pressure change needed for equipment can be reduced.
Claims (4)
1. a control method for lift car internal pressure, by the internal pressure of lift car making the lift car during lifting
Power is the most stepped change between two kinds of different pressure change rates, thus controls the electricity of lift car during lifting
Ladder cab interior pressure,
It is characterized in that,
During the lifting of described lift car, the lift car external pressure approximation that will change according to the pressure curve of S-shaped shape
Being in line and obtain near linear, described lift car internal pressure has the barotropic state higher than described near linear and compares institute
State the negative pressure state that near linear is low, the most once switch during the lifting of described lift car, by described lift car
Internal pressure switches to described negative pressure state from described barotropic state or switches to described malleation shape from described negative pressure state
State, and,
Described lift car internal pressure is controlled as, the district between the pressure curve and described near linear of described S-shaped shape
Stepped change in territory.
The control method of lift car internal pressure the most according to claim 1, it is characterised in that
By the first pressure change rate P1/T1 and to have ratio described for the stairstepping of the pressure change of described lift car internal pressure
Second pressure change rate P2/T2 of the first pressure change rate little for pressure change rate P1/T1 is constituted,
The size of described second pressure change rate P2/T2 is set as 0.1～0.5 times of described first pressure change rate P1/T1
In the range of.
The control method of lift car internal pressure the most according to claim 2, it is characterised in that
According to pressure transformation period T1 during described first pressure change rate P1/T1 change with according to described second pressure change rate
Pressure transformation period T2 during P2/T2 change is set in the range of 3 seconds～7 seconds respectively.
The control method of lift car internal pressure the most according to claim 3, it is characterised in that
Described first pressure change rate P1/T1 is arranged in the pressure curve of described lift car external pressure and described near linear
Crossover location at, thus reduce air demand required when the pressurization in described lift car and decompression are switched over and row
Tolerance.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-271979 | 2012-12-13 | ||
| JP2012271979A JP5970362B2 (en) | 2012-12-13 | 2012-12-13 | Elevator car pressure control method |
| CN201310674720.1A CN103863914B (en) | 2012-12-13 | 2013-12-11 | The control method of lift car internal pressure |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310674720.1A Division CN103863914B (en) | 2012-12-13 | 2013-12-11 | The control method of lift car internal pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106081766A true CN106081766A (en) | 2016-11-09 |
| CN106081766B CN106081766B (en) | 2018-08-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610453048.7A Active CN106081766B (en) | 2012-12-13 | 2013-12-11 | The control method of lift car internal pressure |
| CN201310674720.1A Active CN103863914B (en) | 2012-12-13 | 2013-12-11 | The control method of lift car internal pressure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310674720.1A Active CN103863914B (en) | 2012-12-13 | 2013-12-11 | The control method of lift car internal pressure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5970362B2 (en) |
| CN (2) | CN106081766B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110023222A (en) * | 2016-12-27 | 2019-07-16 | 株式会社日立制作所 | Lift appliance |
| CN110228744A (en) * | 2018-03-06 | 2019-09-13 | 富士达株式会社 | The setting method of pressure control mode and the elevator for having maintenance unit |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6272167B2 (en) * | 2014-07-16 | 2018-01-31 | 株式会社日立製作所 | Elevator car pressure control device |
| JP2017024880A (en) * | 2015-07-27 | 2017-02-02 | 株式会社日立製作所 | Elevator and atmospheric pressure control method for elevator |
| JP2020083544A (en) * | 2018-11-22 | 2020-06-04 | 株式会社日立製作所 | Elevator car inside air pressure control device and method therefor |
| US20210139272A1 (en) * | 2019-11-08 | 2021-05-13 | Otis Elevator Company | Elevator system including a passenger ear comfort application |
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| CN110023222B (en) * | 2016-12-27 | 2021-05-25 | 株式会社日立制作所 | Elevator device |
| CN110228744A (en) * | 2018-03-06 | 2019-09-13 | 富士达株式会社 | The setting method of pressure control mode and the elevator for having maintenance unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103863914A (en) | 2014-06-18 |
| JP5970362B2 (en) | 2016-08-17 |
| JP2014118220A (en) | 2014-06-30 |
| CN106081766B (en) | 2018-08-07 |
| CN103863914B (en) | 2016-08-17 |
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