CN102530666B - Elevator equipment - Google Patents
Elevator equipment Download PDFInfo
- Publication number
- CN102530666B CN102530666B CN201110427608.9A CN201110427608A CN102530666B CN 102530666 B CN102530666 B CN 102530666B CN 201110427608 A CN201110427608 A CN 201110427608A CN 102530666 B CN102530666 B CN 102530666B
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- Prior art keywords
- lift car
- shield
- elevator
- lift
- position detector
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
In emergency stop of an elevator, high-reliability position detection can be performed through a position detector for detecting position and a shielding plate without a specified absolute position detector, etc. The elevator equipment is provided with the following components: an elevator cage; a counterweight which is suspended to oppose the elevator cage through a hoisting cable; a shielding plate which is equipped corresponding to each storey at a lifting channel side for detecting the position; and the position detector which is equipped at the elevator cage side and is equipped opposite to the shielding plate for detecting the position of the elevator cage. After emergency stop of the elevator, the elevator cage is caused to operate in a low speed for obtaining output of the position detector. Furthermore the position of the elevator cage is detected according to the output. The elevator equipment is also provided with two kinds of shielding plates which have different shapes and can be identified by the position detector. The two kinds of the shielding plates are equipped alternately along the storey of the lifting channel side. Therefore, even when the position estimation error in emergency stop is more than one storey, the estimation error can be determined, and the position of the elevator cage can be detected.
Description
Technical field
The present invention relates to a kind of lift facility, especially relate to a kind of device being suitable for detecting when elevator has carried out emergent stopping elevator position.
Background technology
There is the position probing shield of various shape, such as, when its shape is two kinds, is necessary alternately to arrange, and needs that there is detecting device, so as there occurs setup error etc. artificial exception is set time detect abnormal.
Such as, disclose a kind of method patent documentation a kind, it has the position detecting device alternately producing the first pulse and the second pulse, when the generation of described pulse occurs in sequence abnormal, be detected as and there occurs mistake, and disabled position detecting device produces pulse.
At first technical literature
Patent documentation
Patent documentation 1: Japan is real opens clear 55-150305 publication
Summary of the invention
In the above prior art, have employed the reliability improving position probing with the pulse generator of two position probing, and when being judged as there occurs abnormal, inhibiting pulse generator produces the method for pulse., because it employs multiple pulse generator in the detection of elevator position, so the fault rate of equipment itself may be caused to rise.
On the other hand, also there will be a known the position detector by detecting at lift car side setting position, and on the correspondence position of each floor of hoist trunk side, the shield that setting position detects comes the docks of direct-detection lift car and the technology in region of can opening the door.When elevator there occurs exception or lift car carried out emergent stopping because to have a power failure etc., can this position detector and shield be used to make elevator parking arrive nearest floor in elevator low speed driving after a stop.
; along with the high stratification of building arranging elevator; elevator speed improves further; when elevator has carried out emergent stopping; because of the reason such as skidding and hoist cable elongation produced between hoist cable and rope sheave; compared with computing value, the error be equivalent to more than the height of a floor may be there is in the actual stop position of lift car.When there occurs above-mentioned situation, cannot knowing which layer the nearest floor after emergent stopping is actually, if the undue computing value paying attention to elevator car position, mistake may be occurred when identifying nearest floor.
The object of the invention is to; when elevator there occurs exception or lift car carried out emergent stopping because to have a power failure etc.; do not need to use the devices such as special absolute position transducer; realize the high position probing of reliability by the position detector and shield utilizing described position probing, improve the reliability of lift facility thus.
The invention provides a kind of lift facility, it has: lift car, by the electrical motor that hoist cable makes described lift car be elevated, the counterbalanced weight opposite with described lift car is hung as by described hoist cable, the shield of the position probing arranged accordingly with each floor of hoist trunk side, and position detector, this position detector is arranged on described lift car side, and arrange oppositely with described shield, for detecting the position of lift car, in described lift facility, after elevator emergency stops, described lift car is travelled and obtains the output of described position detector, and the position of lift car is detected according to the output of described position detector, the feature of described lift facility is, also have various shape different can by the shield of described position detector identification, and described multiple shield is alternately arranged between the floor of described hoist trunk side.Thus, by identifying the kind of shield, when having carried out emergent stopping, the error that whether there occurs a more than story height can have been judged.
Further feature of the present invention is, by the kind of described shield being controlled, at two kinds, can realize low cost.Feature of the present invention is illustrated in the following embodiments.
Invention effect
According to the present invention, when elevator has carried out emergent stopping because of power failure or exception, even if there occurs deviation between the data in the actual position of lift car and elevator control gear, also can detect the absolute location of lift car by making elevator by the diverse shield being arranged on hoist trunk side, thus the high lift facility of reliability can be realized.
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of the lift facility involved by one embodiment of the invention.
Fig. 2 is the schematic diagram of the elevator control gear involved by one embodiment of the invention.
Fig. 3 is the shape judgement figure of the shield involved by one embodiment of the invention.
Fig. 4 be one embodiment of the invention there occurs power failure time position probing diagram of circuit.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.
Fig. 1 is an embodiment of lift facility of the present invention, and Fig. 2 is an embodiment of the elevator control gear of one embodiment of the invention.As shown in Figure 1, lift facility has lift car 1 and drives the electrical motor 2 of elevator and opposite with lift car 1 the counterbalanced weight 3 arranged, and lift car 1 is connected with hoist cable 5 by pulley 4 with counterbalanced weight 3.In addition, electrical motor 2 is provided with coder 6, when electrical motor 2 rotates, coder 6 is along with the rotation generation pulse of electrical motor 2, this pulse is input to position detection part 10 in microcomputer (MPU) 9 to detect the position of lift car through the output input buffer (I/O) 8 be arranged in control setup 7 as shown in Figure 2, and is input to speed detecting portion 11 to detect the speed of lift car via output input buffer (I/O) 8.
In addition, lift car 1 is provided with lifting capacity detecting device 12, the data detected by this lifting capacity detecting device 12 are input to lifting capacity test section 13 in MPU9 to detect the lifting capacity of lift car 1 via the I/O8 in control setup 7.In addition, the position detector 14 detecting lift car 1 position is installed at the car upper section of lift car 1, and is provided with variform shield 15A, 15B for detection position accordingly with position detector 14 in hoist trunk side.From the detection signal of position detector 14 via the I/O8 in control setup 7, detected by the shield test section 16 in MPU9.
Fig. 3 represents the shape judgement figure of shield, and Fig. 3 (a) represents the example of shield shape A, and Fig. 3 (b) represents the example of shield shape B.Position detector 14 is arranged on lift car 1 as shown in Figure 1, and optical axis 1 ~ 3 represents three optical axises launched towards shield or receive from shield.Three optical axises of optical axis 1 ~ 3 are in graphic ON/OFF (opposed/non-opposed) state respectively according to the different of the opposed locations of the opposed locations of position detector 14 and shield 15A and position detector 14 and shield 15B.In the docks of the central authorities of two shields 15A, 15B, optical axis 1 ~ 3 is all in ON state, and the opened the door region before and after docks, the detecting pattern of optical axis 1 ~ 3 is different.By using the shield of above-mentioned two kinds of shapes, no matter position detector 14 starts from top to bottom to overlap with shield 15 or start from top to bottom to overlap with shield 15, can both judge kind and the direction of shield according to the ON/OFF signal of position detector 14.
Such as, when position detector 14 overlaps with shield shape A from downside, to travelling certain distance, the ON/OFF state of optical axis is started at from optical axis 1 and is sequentially ON/OFF/ON.Then, when position detector 14 overlaps with shield shape B from downside, the ON/OFF state of optical axis is started at from optical axis 1 and is sequentially ON/OFF/OFF, and after having travelled certain distance, becomes the signal condition identical with shield shape A and ON/OFF/ON.Use and overlap to the difference that lift car has travelled the ON/OFF signal of the optical axis 1 ~ 3 till certain distance from position detector 14 and shield 15, shield shape A or shield shape B can be determined.In addition, the variable quantity of shape is determined the acquisition cycle of the signal of position detector 14 by the moving velocity of the lift car 1 till shield being detected and MPU9.
Fig. 4 represent one embodiment of the invention there occurs power failure time position probing diagram of circuit, to it illustrates from having a power failure and occurring to the position detecting lift car 1, arrive and rest in the flow process till the opened the door region of nearest floor.Except being applied to power failure, the present invention obviously can also be applied to elevator and carry out the occasion of emergent stopping because of abnormal grade.
First, elevator starts to travel (S1), assuming that elevator waits because having a power failure and carried out emergent stopping (S2) in motion.Now, store the position of elevator before stopping, speed and lifting capacity respectively by the position detection part 10 in the MPU9 of elevator control gear, speed detecting portion 11 and lifting capacity test section 13, to preserve the various data (S3) before occurring that have a power failure.
After this, after elevator restores electricity (S4), according to the position of the elevator before the stopping of preserving in advance, direction, speed and lifting capacity, by calculating the stop position (S5) of elevator when estimating emergent stopping.Then, make elevator start to travel (S6) with low speed towards the opened the door region of nearest floor, and the traveling pulse from coder 6 is counted, continue with this position estimating lift car.
When by shield (S8), judge that the shape of the shield passed through is shape A (S9) or shape B (S10).If judge result represent neither shape A, neither shape B time, be judged as the current location that cannot detect elevator, and make elevator travels to the terminal floor that can detect absolute location, terminate afterwards run (S11).
When the shape of the shield being judged as the estimated position (+allowed band) that should be positioned at lift car is consistent with the shape of passed through shield, the car position test section 10 of elevator control gear 7 makes the position shown in car position with this shield consistent (S12).Therefore, even if make the error having occurred between the actual position of lift car and estimated position being equivalent to a story height because of hoist cable skidding during emergent stopping etc., also can by judging that the shape of shield correctly detects car position.After this, elevator parking is made to terminate to run (S12) behind region of can opening the door.
Wherein, position deduction precision when emergent stopping is low, likely occur in the lift facility of error of more than two floors to three floors, be equivalent to several floor according to error and prepare the species number multiple shield corresponding to number of floor levels, and described multiple shield is alternately arranged on the relevant position of hoist trunk side, the large situation of above-mentioned error can be tackled thus.
Nomenclature
1 lift car
2 electrical motors
3 counterbalanceds weight
4 pulleys
5 hoist cables
6 coders
7 control setups
8 export input buffer (I/O)
9 MPU
10 position detection parts
11 speed detecting portion
12 lifting capacity detecting devices
13 lifting capacity test sections
14 position detectors
15A shield shape A
15B shield shape B
16 shield test sections
Claims (3)
1. a lift facility, it has: lift car; By the electrical motor that hoist cable makes described lift car be elevated; The counterbalanced weight opposite with described lift car is hung as by described hoist cable; The shield of the position probing arranged accordingly with each floor of hoist trunk side; And position detector, this position detector is arranged on described lift car side, and arrange oppositely with described shield, for detecting the position of lift car, in this lift facility, after elevator emergency stops, described lift car is travelled and obtains the output of described position detector, and the position of lift car is detected according to the output of described position detector, the feature of described lift facility is
Estimate based on described elevator emergency stop with and subsequent the position of lift car of described traveling,
From the position deduction precision of described lift car correspondingly have various shape different can by the described shield of described position detector identification, and this multiple described shield is alternately arranged between the floor of described hoist trunk side,
When the shape of the described shield judging the estimated position scope that should be arranged in described lift car is consistent with the shape of the shield that the described traveling after described emergent stopping is passed through, make the position shown in the position of the described lift car of presumption with passed through described shield consistent.
2. lift facility as claimed in claim 1, is characterized in that,
Described variform can be two kinds by the kind of the shield of described position detector identification, described two kinds of shields are alternately arranged between the floor of described hoist trunk side.
3. lift facility as claimed in claim 1, is characterized in that,
There is memory storage and car stop position estimating device further, described memory storage stores the speed of lift car when emergent stopping occurs, position and lifting capacity, the stop position of lift car when described car stop position estimating device estimates described emergent stopping according to the speed of described lift car, position and lifting capacity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-289351 | 2010-12-27 | ||
| JP2010289351A JP5602613B2 (en) | 2010-12-27 | 2010-12-27 | Elevator equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102530666A CN102530666A (en) | 2012-07-04 |
| CN102530666B true CN102530666B (en) | 2015-04-08 |
Family
ID=46338918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110427608.9A Active CN102530666B (en) | 2010-12-27 | 2011-12-19 | Elevator equipment |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5602613B2 (en) |
| CN (1) | CN102530666B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466403B (en) * | 2013-09-25 | 2015-07-22 | 苏州欢颜电气有限公司 | Elevator height automatic determining device |
| JP6271948B2 (en) * | 2013-10-30 | 2018-01-31 | 株式会社日立製作所 | Elevator with pulley groove diagnostic device |
| JP2016023019A (en) * | 2014-07-17 | 2016-02-08 | 株式会社日立製作所 | Elevator |
| JP6278859B2 (en) * | 2014-07-17 | 2018-02-14 | 株式会社日立製作所 | Elevator maintenance method and elevator system |
| JP6256993B2 (en) * | 2014-09-25 | 2018-01-10 | 株式会社日立製作所 | elevator |
| JP6272201B2 (en) * | 2014-09-30 | 2018-01-31 | 株式会社日立製作所 | elevator |
| JP6417895B2 (en) * | 2014-11-26 | 2018-11-07 | フジテック株式会社 | Elevator equipment |
| JP6412831B2 (en) * | 2015-06-15 | 2018-10-24 | 株式会社日立製作所 | Elevator equipment |
| JP6641308B2 (en) * | 2017-01-25 | 2020-02-05 | 株式会社日立製作所 | Elevator |
| CN108726297B (en) * | 2017-04-14 | 2020-09-22 | 上海三菱电梯有限公司 | Elevator flat bed detection device |
| CN107416628B (en) * | 2017-08-30 | 2020-04-17 | 深圳市特种设备安全检验研究院 | Weighing device for weighing elevator car and counterweight |
| CN109132767B (en) * | 2018-10-29 | 2023-12-26 | 广东环境保护工程职业学院 | Car flat layer and position detection system |
| CN109987470B (en) * | 2019-04-17 | 2021-06-29 | 日立楼宇技术（广州）有限公司 | Method, device, system and medium for determining position of elevator car |
| CN113874310B (en) * | 2019-07-02 | 2022-11-29 | 株式会社日立制作所 | Elevator installation |
| CN111392602B (en) * | 2020-04-20 | 2021-07-23 | 上海建工集团股份有限公司 | Operation positioning and anti-collision control system and method for multistage series lifting equipment |
| CN113415689A (en) * | 2021-06-24 | 2021-09-21 | 北京房地天宇特种设备安装工程有限公司 | Elevator control system and method and elevator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100202719B1 (en) * | 1996-12-30 | 1999-06-15 | 이종수 | Apparatus and its method of meeting floor for elevator |
| JPH1179585A (en) * | 1997-09-09 | 1999-03-23 | Hitachi Ltd | Elevator car position detecting device |
| KR100400607B1 (en) * | 2001-02-23 | 2003-10-08 | (주)이엠티인터내셔날 | A device for detecting the landing position of elevator car of an elevator system |
| JP4485960B2 (en) * | 2005-01-05 | 2010-06-23 | 株式会社日立製作所 | Elevator position detection device |
| JP4468224B2 (en) * | 2005-03-30 | 2010-05-26 | 株式会社日立製作所 | Elevator position detection system and method |
| JP2010260682A (en) * | 2009-05-07 | 2010-11-18 | Hitachi Ltd | Elevator device |
-
2010
- 2010-12-27 JP JP2010289351A patent/JP5602613B2/en active Active
-
2011
- 2011-12-19 CN CN201110427608.9A patent/CN102530666B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP5602613B2 (en) | 2014-10-08 |
| CN102530666A (en) | 2012-07-04 |
| JP2012136322A (en) | 2012-07-19 |
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