CN107814287B - Lift facility - Google Patents
Lift facility Download PDFInfo
- Publication number
- CN107814287B CN107814287B CN201710485424.5A CN201710485424A CN107814287B CN 107814287 B CN107814287 B CN 107814287B CN 201710485424 A CN201710485424 A CN 201710485424A CN 107814287 B CN107814287 B CN 107814287B
- Authority
- CN
- China
- Prior art keywords
- air hole
- opening
- micro computer
- hole device
- opening portion
- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- 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
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/024—Ventilation systems
Abstract
The present invention provides a kind of exception for being able to carry out air hole device and normally confirms, further increases the lift facility of the safety of passenger in carriage.Elevator control gear (4) is provided with the air hole opening portion (9) for assigning open instruction to air hole device when the air hole trouble shooting period (t0), interior air hole device did not carried out opening operation；With according to whether based on the open instruction from air hole opening portion actually having carried out the opening of air hole device detects failure and normal failure detecting section (11), it is provided with the air hole monitoring arrangement (5) of the opening of the air hole device carried out independently of the monitoring air hole opening portion of elevator control gear, air hole monitoring arrangement is provided with when not carrying out the opening of the air hole device based on air hole opening portion within the control device abnormal examination period (t1) and detects micro computer exception by micro computer abnormity detection portion (16), open air hole is forced to force opening portion (17) in air hole device.
Description
Technical field
The present invention relates to the lift facilities with the air interchanger for carrying out the ventilation in carriage.
Background technique
Background technique as the art has Japanese Unexamined Patent Publication 2008-280131 bulletin (patent document 1).It is special at this
In sharp document 1, the elevator air interchanger of the ventilation in a kind of cab of progress elevator is recorded, characterized by comprising: by shape
At the air vent in the side of cab and 2 or more air holes of the opening-closing plate composition for being opened and closed the air vent, to above-mentioned opening and closing
Door is opened and closed the driving mechanism of driving and controls above-mentioned driving mechanism output drive signal the control of the opening and closing of air hole
Device.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2008-280131 bulletin
Summary of the invention
Technical problems to be solved by the inivention
But lift facility described in Patent Document 1 itself is the structure of air interchanger, without always monitoring ventilation dress
It sets.Therefore, in the case where the lift facility for improving air-tightness can not carry out the ventilation in carriage, exist and passenger is generated not
The danger of good influence.
So the purpose of the present invention is to provide a kind of exception for being able to carry out air hole device and normal confirmation, into
One step improves the lift facility of the safety of the passenger in carriage.
For solving the technical solution of technical problem
In order to solve the above-mentioned technical problem, the present invention includes: by the carriage of lifting driving；Carry out the ventilation in above-mentioned carriage
Air hole device；With the elevator control gear monitored to the device including above-mentioned air hole device, above-mentioned elevator
Control device is provided with even more than preset air hole trouble shooting period t0 also without carrying out above-mentioned air hole dress
The air hole opening portion of open instruction is assigned when the opening operation set to above-mentioned air hole device；With according to whether being changed based on above-mentioned
The open instruction of transom window opening portion carried out the opening of above-mentioned air hole device detect above-mentioned air hole device be failure or
Normal failure detecting section.
The effect of invention
Lift facility according to the present invention is able to carry out the exception and normal confirmation of air hole device, further increases
The safety of passenger in carriage.In addition, project other than the above, composition and effect being capable of saying by the following embodiments and the accompanying drawings
It is bright definitely.
Detailed description of the invention
Fig. 1 is the schematic configuration diagram for indicating the lift facility of one embodiment of the present of invention.
Fig. 2 is the block diagram for indicating the specific structure of elevator control gear 4.
Fig. 3 is the block diagram for indicating the specific structure of air hole monitoring arrangement 5.
Fig. 4 is the flow chart of the control processing movement for the air hole device for indicating that control board for elevator shown in FIG. 1 carries out.
Fig. 5 is the flow chart of the control processing movement for the air hole device for indicating that air hole monitor shown in FIG. 1 carries out.
Specific embodiment
Hereinafter, being based on Detailed description of the invention the embodiment of the present invention.
Fig. 1 is the schematic configuration diagram of the lift facility of an embodiment of the invention.Carriage 1 is in order to carry out air pressure adjustment
And air-tightness is improved, on and off can be beaten by being provided with the ventilation mouth for carrying out the ventilation in carriage 1 in courtyard 2 etc. and having
The air hole device 3 of the ventilation mouth switching mechanism of the ventilation mouth is closed, air hole device 3 is connect with air hole power supply 3A.In addition, changing
Transom window device 3 is connect with elevator control gear 4 and air hole monitoring arrangement 5.
Elevator control gear 4 carries out air hole device 3 with controlling program loop based on elevator control gear side air hole
Fault detection did not had to be opened when the opening for carrying out air hole device 3 within the preset air hole trouble shooting period
Operation.In addition, air hole monitoring arrangement 5 is controlled using monitoring arrangement side ventilation window control program, so that will not be because of elevator
Control device 4 generates bad and the unnecessary hair of the closed state of air hole device 3 is caused to continue, and examines than above-mentioned air hole failure
When looking into the opening for not having to carry out air hole device 3 in the control device abnormal examination period of period length, as elevator control gear 4
Generate it is bad, forcibly open air hole device 3.
It in the present embodiment, will by the electromagnet being excited when being connect with air hole power supply 3A to air hole device 3
The structure progress that air hole closes, opened air hole by spring when disconnection air hole power supply 3A makes electromagnet demagnetization
Explanation.In addition, air hole device 3 is always sent to elevator control using current open and-shut mode as inspection signal is turned on or off
Device 4 and air hole monitoring arrangement 5 processed.In addition, checking signal for opening according to the confirmation signal from elevator control gear 4
Check that signal is sent to elevator control gear 4 and air hole monitoring arrangement 5 with opening and closing.Elevator control gear 4 and air hole are supervised
View apparatus 5 checks that the structure of signal is illustrated respectively as detection turning on or off from air hole device 3.
Fig. 2 is the block diagram for indicating the specific structure of elevator control gear 4.Elevator control gear 4 other than typically comprising,
Further include: it will count what time limit Tr1 was reset in aftermentioned timer count portion 7 in the case where lift facility normal starting
Periodically (timing) test section 6；Compare and counts the timer meter that time limit Tr1 and air hole trouble shooting period t0 carrys out hand-off process
Several 7；Air hole out code is sent to air hole device 3 when counting time limit Tr1 in air hole trouble shooting period t0
Air hole to be confirmed extremely closes test section 8；It is opened when counting time limit Tr1 and being more than air hole trouble shooting period t0
Air hole come carry out air hole open trouble shooting air hole opening portion 9；It is detected at the beginning of air hole opens trouble shooting
Lift facility whether the state of elevator test section 10 in stopping；Lift facility is detected in state of elevator test section 10 not is
When in stopping, instruction is opened to the imparting of air hole device 3 to carry out opening operation, checks that signal carries out failure inspection according to opening
The failure detecting section 11 of survey；The error handle of limiting operation or operation stopping is carried out when failure detecting section 11 is detected and is out of order
Portion 12；With the control unit 13 etc. controlled based on elevator control gear side ventilation window control program above-mentioned each portion 6~12.
Fig. 3 is the block diagram for indicating the specific structure of air hole monitoring arrangement 5.Air hole monitoring arrangement 5 includes: as elevator
Higher level's micro computer of control device 4, opening inspection letter of the detection from air hole device 3 after the starting of air hole monitoring arrangement 5
Number air hole close test section 14；Time limit Tr2 will be counted by closing in air hole when test section 14 detects that opening checks signal
Resetting, and do not detect that opening checks signal and be more than the micro computer abnormality detection period what air hole closed test section 14
The timer count portion 15 of hand-off process when t1；It is being more than that micro computer abnormality detection period t1 does not detect that opening checks signal
When micro computer generation undesirable micro computer abnormity detection portion 16 of the detection as 4 side of elevator control gear；It is examined extremely in micro computer
The pressure of air hole open air hole pressure opening portion 17 is carried out when survey portion 16 detects；Be based on air hole monitoring arrangement side
The control unit 18 etc. that ventilation window control program controls above-mentioned each portion 14~17.
Fig. 4 is the flow chart for indicating the control processing movement of the air hole device 3 based on elevator control gear 4.
When carrying out the normal starting of lift facility in step sl, timing test section 6 is reset so that timer meter
Several 7 counting time limit Tr1=0.Then, air hole closes test section 8 in step s 2 when making lift facility bring into operation
Air hole out code is sent to air hole device 3.The instruction is responded, air hole device 3 carries out closing motion, based on opening for its
It closes and checks that signal is sent to elevator control gear 4 and air hole monitoring arrangement 5.
Test section 8 is closed in this air hole, air hole out code is sent to air hole device 3, therefore, in carriage 1
Air pressure is open by air hole device 3 suddenly in the state of not being managed, and does not generate barometric fluctuation in carriage 1.The air hole closes
The fault detection of the air hole device 3 of the progress of test section 8 is closed until counting time limit Tr1 and being more than air hole trouble shooting period t0
It carries out periodically.The period can be arranged to interval appropriate by timer count portion 7.
In the case that air hole closing test section 8 detects that opening checks signal in step s3, as air hole device 3
Exception, error handle portion 12 carries out error handle in step slo.On the other hand, be not detected open check signal and
In the case where closing inspection signal, air hole closes test section 8 in step s 4, changes if counting time limit Tr1 and being no more than
Transom window trouble shooting period t0, then in step s 5 to fault detection repeatedly periodically after counting progress timing.
But the counting time limit Tr1 in timer count portion 7 be more than air hole trouble shooting period t0 and do not detect beat
It opens in the case where checking signal, air hole opening portion 9 works.In initial, the state of elevator detection of the processing of air hole opening portion 9
Whether portion 10 judges lift facility in stopping in step s 6.When in stopping, air hole opening portion 9 is exchanged in the step s 7
Transom window device 3 assigns air hole out code.
Later, air hole opening portion 9 monitors that the opening for returning letter from air hole device 3 checks signal in step s 8.It is depositing
In the case where opening the letter in reply for checking signal, the air hole device 3 that is carried out to be more than air hole trouble shooting period t0
Air hole opening normally carry out, be judged as the ventilation carried out in carriage 1.Moreover, in step s 9, by timer count
The counting time limit Tr1 in portion 7 is reset.
But opening of the failure detecting section 11 in step s 8 not from air hole device 3 checks the letter in reply of signal
In the case of, it is judged as and is abnormal.Then, error handle portion 12 carries out the electricity of limiting operation, operating suspension etc. in step slo
Terraced error handle.In above-mentioned step S3, with assign air hole out code independently, be not turned off check signal return
In the case where letter, equally, error handle portion 12 carries out the elevator error handle of limiting operation, operating suspension etc. in step slo.
It is arranged in this elevator control gear 4: in the air hole more than suitable period, that is, air hole trouble shooting period t0
The air hole opening portion 9 of open instruction is assigned when device 3 is without opening operation to air hole device 3；With according to whether being based on
The open instruction of air hole opening portion 9 has carried out the opening of air hole device 3 actually to detect failure or normal event
Hinder test section 11.
Therefore, it is also taken a breath in the high carriage 1 of air-tightness with the defined period, so being capable of forming to passenger without not
Good influence and highly-safe lift facility.In addition, failure detecting section 11 can when air hole device 3 is without opening operation
It is detected as abnormal, so open exception can be detected in advance, rapid correspondence can be taken, safety can be further increased
Property.
Also, be arranged state of elevator test section 10, be more than period appropriate, that is, air hole trouble shooting period t0 and
Judge that carriage 1 whether in stopping, and is provided with and is being judged as when air hole device 3 is without opening operation in step s 6
The air hole for assigning open instruction to air hole device 3 in the step s 7 when the state of elevator test section 10 is not in stopping opens
Portion 9；It is detected with according to whether based on the open instruction of air hole opening portion 9 actually having carried out the opening of air hole device 3
It is failure or normal failure detecting section 11.
Therefore, the air hole that can be avoided in the high speed every trade of carriage 1 is open, and air pressure sharply will not be brought to become to passenger
It is uncomfortable caused by dynamic, it is able to carry out the inspection of the opening action of air hole device 3.In addition, in the high carriage 1 of air-tightness
It is taken a breath with the defined period, so being capable of forming the few and highly-safe lift facility of adverse effect to passenger.
On the other hand, in such structure, the control for the air hole device 3 that 4 side of elevator control gear carries out it is abnormal,
When generating the micro computer exception of 4 side of elevator control gear, it can not differentiate that the exception of 4 side of elevator control gear is still changed
The exception of 3 side of transom window device.So the air hole monitoring arrangement 5 by dual detects 4 side of elevator control gear
Micro computer is abnormal, then illustrates that its processing acts.
Fig. 5 is the flow chart for indicating the control processing movement of the air hole device 3 of air hole monitoring arrangement 5.By air hole
The control processing for the air hole device 3 that monitoring arrangement 5 carries out is to monitor air hole device independently of elevator control gear 4
In the case of carry out.This is because needing to detect the micro computer of 4 side of elevator control gear exception without using the information
To be monitored.
When air hole monitoring arrangement 5 starts in step s 11, the air hole of air hole monitoring arrangement 5 closes test section 14
In the closed state of step S12 monitoring air hole.This is always to monitor the opening inspection signal sent from air hole device 3
It is carried out in the case where checking signal with closing.The opening and closing checks that signal is always exported, and relative in above-mentioned steps S3
Middle elevator control gear 4 be imparted to air interchanger 3 out code, in the step s 7 elevator control gear 4 be imparted to ventilation dress
The open instruction for setting 3, sends from air hole device 3.Air hole, which is closed test section 14 and detected, to be sent from air hole device 3
It opens in the case where checking signal, normally carries out in opening action or step S10 before in elevator error handle portion 12
Abnormality processing is carried out, time limit Tr2 resetting will be counted in step s 13 in 5 side of air hole monitoring arrangement.
In this regard, air hole closing test section 14 detects that the closing from air hole device 3 checks signal in step s 12
In the case where, enter step S14.In step S14, timer count portion 15 counts time limit Tr2 and has not arrived micro computer exception
Detection cycle t1, so, micro computer abnormity detection portion 17 is judged as that no micro computer is abnormal in step S15, changes being set in
After the counting time limit Tr2 of transom window monitoring arrangement 5 carries out timing, the processing from step S12 repeatedly.
But when timer count portion 15 is more than micro computer abnormality detection period t1 in step S14, micro computer is examined extremely
Survey portion 16 is judged as micro computer exception in step S14.So, time limit Tr2 only is being counted more than above-mentioned micro computer exception
Air hole pressure opening portion 17 disconnects air hole power supply 3A in step s 16 and opens to carry out the pressure of air hole when detection cycle t1
It puts.
Here, the relationship of air hole trouble shooting period t0 and micro computer abnormality detection period t1 are t0 < t1.It is preferred that enabling
When maximum time+systematic error=α of 1 long stroke operating in lift facility, t0+ α≤t1.So in above-mentioned steps S6
In, carriage 1 does not open air hole in high-speed cruising, and the time limit delayed until carriage 1 stops can energetically be arranged.It is most
It is the maximum time of 1 long stroke operating, thus it is possible to readily satisfy this when the big time is in terms of 5 side of air hole monitoring arrangement
Condition.
Therefore, it is more than that above-mentioned micro computer is different that micro computer abnormity detection portion 16 counts time limit Tr2 in the judgement of step S14
When opening inspection signal is also not detected in normal detection cycle t1, it can be judged as micro computer exception.Later, different based on the micro computer
Often with secondary judgement, opening portion 17 can be forced to disconnect air hole power supply 3A by air hole to take a breath in step s 16
The pressure of window is open.
As described above by 5 dual of elevator control gear 4 and air hole monitoring arrangement, thus, it is possible to detect air hole device
3 exception and the exception of micro computer.It is monitored by the elevator control gear 4 and air hole monitoring arrangement 5 of dual, so
It is able to carry out the opening control of high reliablity, the ventilation in carriage 1 can be suitably managed and further increase the safety of passenger.
In addition, the pressure of air hole 3 is not opened even if the micro computer for generating elevator control gear 4 is abnormal in 4 side of elevator control gear
It puts, and when supervisory 5 side of air hole monitoring arrangement has carried out abnormality detection, ventilation can be disconnected using air hole power supply 3A
Window device 3 etc. carries out pressure opening, can reliably act and easily realizes dual.
In the above-described embodiment, the spring force by being in force state because of the disconnection of air hole power supply 3A is illustrated
And the air hole device 3 opened, however, it is also possible to the air hole device 3 for being suitable for opening by other methods.In addition, elevator
Control device 4 and the detection of air hole monitoring arrangement 5 return turning on or off for letter from air hole device 3 and check that signal is sentenced
Disconnected processing, but signal only can also be checked by opening inspection signal or closing to be judged.
Additionally, this invention is not limited to above-described embodiments, include various modifications example.For example, the above embodiments are in order to easy
Understand that ground illustrates the present invention and is illustrated in detail, however it is not limited to which there are whole compositions of explanation.
Description of symbols
1 carriage
3 air hole devices
4 elevator control gears
5 air hole monitoring arrangements
7 timer count portions
8 air holes close test section
9 air hole opening portions
10 state of elevator test sections
11 failure detecting sections
14 air holes close test section
15 timer count portions
16 micro computer abnormity detection portions
17 air holes force opening portion.
Claims (7)
1. a kind of lift facility characterized by comprising
By the carriage of lifting driving；
Carry out the air hole device of the ventilation in the carriage；With
To the elevator control gear that the device including the air hole device is monitored,
The elevator control gear is provided with
It is being more than that preset air hole trouble shooting period (t0) is also dynamic without carrying out the opening of the air hole device
The air hole opening portion of open instruction is assigned when making to the air hole device；With
According to whether the open instruction based on the air hole opening portion has carried out the opening of the air hole device to detect
Stating air hole device is failure or normal failure detecting section.
2. lift facility as described in claim 1, it is characterised in that:
It is provided with when the air hole device does not carry out opening operation by the air hole trouble shooting period (t0) described in judgement
The state of elevator test section whether carriage stopped；
The air hole opening portion is judged as when stopped in the state of elevator test section opens air hole device imparting
Put instruction.
3. lift facility as claimed in claim 2, it is characterised in that:
Opening for the air hole device for monitoring that the air hole opening portion carries out is provided with independently of the elevator control gear
The air hole monitoring arrangement put,
The air hole monitoring arrangement is provided with air hole and forces opening portion, which forces opening portion preset
It will be described when the air hole opening portion does not carry out the opening of the air hole device in the micro computer abnormality detection period (t1)
Air hole device is forced to open.
4. lift facility as claimed in claim 2, it is characterised in that:
The failure detecting section assigns the air hole device in the preset air hole trouble shooting period (t0)
It gives one-off instruction and is carried out abnormality detection according to its movement,
Opening for the air hole device for monitoring that the air hole opening portion carries out is provided with independently of the elevator control gear
The air hole monitoring arrangement put,
Air hole monitoring arrangement side is provided with micro computer abnormity detection portion, the micro computer abnormity detection portion is independently of institute
Elevator control gear is stated to monitor the open and-shut mode of the air hole device, and than the air hole trouble shooting period
(t0) the long period as the micro computer abnormality detection period (t1), is not detected in the micro computer abnormality detection period (t1)
To the air hole device movement when, be judged as that the micro computer of the elevator control gear is abnormal,
Opening portion is forced to carry out pressure opening by the air hole after the micro computer abnormity detection portion is judged as exception.
5. lift facility as claimed in claim 3, it is characterised in that:
It is provided in the elevator control gear
Air hole out code is assigned to the air hole device and is detected the closing write in reply from the air interchanger and is checked signal
Air hole close test section；With
Detection counts the first timer count section for the case where time limit (Tr1) is more than air hole trouble shooting period (t0),
Failure detecting section detection respond the air hole open instructions of the air hole opening portion and from the air hole device
The opening of letter in reply checks signal to carry out breakdown judge,
It is provided in the air hole monitoring arrangement
Monitor that the second of the process in the micro computer abnormality detection period (t1) longer than the air hole trouble shooting period (t0) determines
When device count section；With
Micro computer abnormality determiner, in the second timer for the process for monitoring the micro computer abnormality detection period (t1)
Count section is not detecting the opening write in reply from the air hole device after the micro computer abnormality detection period (t1)
It is judged as that the micro computer of the elevator control gear side is abnormal when checking signal,
The air hole forces judgement of the opening portion based on the micro computer abnormality determiner to open air hole device pressure
It puts.
6. lift facility as claimed in claim 3, it is characterised in that:
The air hole trouble shooting period (t0) and the relationship in the micro computer abnormality detection period (t1) are t0 < t1,
It enables on the maximum time of 1 long stroke operating in lift facility plus the time obtained from systematic error when being α, t0
+α≤t1。
7. lift facility as described in claim 4 or 5, it is characterised in that:
It enables on the maximum time of 1 long stroke operating in lift facility plus the time obtained from systematic error when being α, t0
+α≤t1。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-177233 | 2016-09-12 | ||
| JP2016177233A JP6626803B2 (en) | 2016-09-12 | 2016-09-12 | Elevator equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107814287A CN107814287A (en) | 2018-03-20 |
| CN107814287B true CN107814287B (en) | 2019-08-23 |
Family
ID=61600943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710485424.5A Active CN107814287B (en) | 2016-09-12 | 2017-06-23 | Lift facility |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6626803B2 (en) |
| CN (1) | CN107814287B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941869A (en) * | 2019-04-03 | 2019-06-28 | 合肥市商巨智能装备有限公司 | A kind of high-cleanness, high liquid crystal display panel elevator |
| JP7157701B2 (en) * | 2019-05-29 | 2022-10-20 | 株式会社日立製作所 | Elevator system and its control method |
| JP7019638B2 (en) * | 2019-08-07 | 2022-02-15 | 東芝エレベータ株式会社 | Elevator control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037488A (en) * | 1988-01-28 | 1989-11-29 | 三菱电机株式会社 | Elevator control gear |
| JP2004010286A (en) * | 2002-06-07 | 2004-01-15 | Toshiba Elevator Co Ltd | Elevator ventilating device |
| CN1498842A (en) * | 2002-10-29 | 2004-05-26 | �����ذ¹ɷݹ�˾ | Device and method for remote maintaining elevator |
| JP2008074599A (en) * | 2006-09-25 | 2008-04-03 | Toshiba Elevator Co Ltd | Control system for ventilating inside of car of elevator |
| JP2008280131A (en) * | 2007-05-10 | 2008-11-20 | Mitsubishi Electric Building Techno Service Co Ltd | Ventilation device for elevator |
| CN203845609U (en) * | 2014-03-31 | 2014-09-24 | 日立电梯(上海)有限公司 | Smoking prompting and smoke removal device in elevator car |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247060A (en) * | 1994-03-09 | 1995-09-26 | Toshiba Corp | Ventilation control device for elevator |
| WO2005121005A1 (en) * | 2004-06-11 | 2005-12-22 | Toshiba Elevator Kabushiki Kaisha | Elevator system |
| JP6190176B2 (en) * | 2013-06-20 | 2017-08-30 | 株式会社日立製作所 | Elevator |
| JP6505576B2 (en) * | 2015-10-16 | 2019-04-24 | 株式会社日立製作所 | Elevator equipment |
-
2016
- 2016-09-12 JP JP2016177233A patent/JP6626803B2/en active Active
-
2017
- 2017-06-23 CN CN201710485424.5A patent/CN107814287B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037488A (en) * | 1988-01-28 | 1989-11-29 | 三菱电机株式会社 | Elevator control gear |
| JP2004010286A (en) * | 2002-06-07 | 2004-01-15 | Toshiba Elevator Co Ltd | Elevator ventilating device |
| CN1498842A (en) * | 2002-10-29 | 2004-05-26 | �����ذ¹ɷݹ�˾ | Device and method for remote maintaining elevator |
| JP2008074599A (en) * | 2006-09-25 | 2008-04-03 | Toshiba Elevator Co Ltd | Control system for ventilating inside of car of elevator |
| JP2008280131A (en) * | 2007-05-10 | 2008-11-20 | Mitsubishi Electric Building Techno Service Co Ltd | Ventilation device for elevator |
| CN203845609U (en) * | 2014-03-31 | 2014-09-24 | 日立电梯(上海)有限公司 | Smoking prompting and smoke removal device in elevator car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107814287A (en) | 2018-03-20 |
| JP6626803B2 (en) | 2019-12-25 |
| JP2018043802A (en) | 2018-03-22 |
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