CN100542928C - Elevator car safety - Google Patents
Elevator car safety Download PDFInfo
- Publication number
- CN100542928C CN100542928C CNB2006101439609A CN200610143960A CN100542928C CN 100542928 C CN100542928 C CN 100542928C CN B2006101439609 A CNB2006101439609 A CN B2006101439609A CN 200610143960 A CN200610143960 A CN 200610143960A CN 100542928 C CN100542928 C CN 100542928C
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- Prior art keywords
- elevator
- door
- foreign matter
- elevator door
- sensitive sensor
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- 239000000725 suspension Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Abstract
A kind of elevator car safety is provided, and this safety device can detect rope form foreign matter that is in hang and the rope form foreign matter that is positioned at the threshold place respectively with simple structure.In elevator car safety of the present invention, if detect foreign matter when closing at elevator door (4), then elevator door (4) phase down action, perhaps elevator door carries out opening action in the phase down action, wherein, voltage sensitive sensor (17) is wholely set, it is set to the lower end horizontal surface (4b) of elevator cab door (4) always from the door shield of elevator cab door (4) vertical (4a), detect the rope form foreign matter that is in hang with the voltage sensitive sensor that is arranged on door shield vertical (4a) (17), and be positioned at the rope form foreign matter that threshold (6) is located by voltage sensitive sensor (17) detection that is positioned at lower end horizontal surface (4b).
Description
Technical field
The present invention relates to a kind of elevator car safety, this elevator car safety is adapted at elevator door to be detected when closing and is clipped in the rope form foreign matter that door shield partial sum elevator door lower end etc. is located.
Background technology
Safety device as elevator, on elevator door, generally all be provided with can be more outstanding than the vertical face of elevator door door shield safety shoe (safety shoe), when this safety shoe having been carried out pushing etc., safety shoe retreats, along with safety shoe retreats, the action of elevator door phase down is perhaps carried out opening action in the phase down action.
; only rely on described safety shoe; then can't detect the rope form foreign matters such as rope of the rope skipping usefulness that for example is clipped between elevator door and the threshold; so; as prior art, disclosed a kind of scheme, it is except being provided with safety shoe; also be provided with banded switch (tapeswitch), thereby can detect (reference example such as patent documentation 1) the rope form foreign matter in the lower end of elevator door on one side.
In addition, as prior art, also propose to have a kind of scheme, promptly banded switch is set in the bight of the closed end of elevator door, also microswitch is set simultaneously, thereby can detects (reference example such as patent documentation 2) to rope form foreign matter that is in hang and the rope form foreign matter that is positioned at the threshold place respectively in the lower end of elevator door.
Patent documentation 1: Japan's utility model is opened clear 62-No. 71175 communiques in fact
Patent documentation 2: the patent of invention spy of Japan opens flat 5-No. 246667 communiques
, in the scheme that described patent documentation 1 is put down in writing, do not consider detection to the rope form foreign matter that is in hang that is clipped in the elevator door bottom.On the other hand, in the scheme that described patent documentation 2 is put down in writing, in order to detect respectively to rope form foreign matter that is in hang and the rope form foreign matter that is positioned at the threshold place, banded switch and microswitch need be set respectively, complex structure and production efficiency are low, thereby have the problem that causes cost to rise.
Summary of the invention
The present invention proposes in view of existing problem in the above-mentioned prior art, the object of the present invention is to provide a kind of elevator car safety, this elevator car safety can detect rope form foreign matter that is in hang and the rope form foreign matter that is positioned at the threshold place respectively with simple structure.
To achieve these goals, elevator car safety of the present invention possesses foreign matter detecting unit and elevator door control unit,
Described foreign matter detecting unit is arranged on the elevator door, detects foreign matter when elevator door cuts out, and the output foreign matter is found signal when finding foreign matter, and described elevator door is by the elevator door suspension member suspention that is arranged on the upper end, and the lower end of elevator door guides by threshold,
Described elevator door control unit finds that according to described foreign matter signal makes described elevator door phase down action, perhaps makes described elevator door carry out opening action in the phase down action,
This elevator car safety is characterised in that, described foreign matter detecting unit is made of voltage sensitive sensor, and described voltage sensitive sensor is wholely set, be set to the lower end horizontal surface of described elevator door from the vertical face of the door shield of described elevator door always, described voltage sensitive sensor from vertical of described elevator door door shield, have the radius part to the position of described lower end horizontal surface, and be provided with the pressing member of pushing described voltage sensitive sensor at described radius branch.
Safety device of the present invention with said structure can detect the rope form foreign matter that is in hang by the voltage sensitive sensor that is positioned at vertical of door shield, and can detect the rope form foreign matter at threshold place by the voltage sensitive sensor that is positioned at the lower end horizontal surface.So, can detect rope form foreign matter that is in hang and the rope form foreign matter that is positioned at the threshold place respectively by a voltage sensitive sensor.
According to the present invention, owing to can detect rope form foreign matter that is in hang and the rope form foreign matter that is positioned at the threshold place respectively with simple structure, so can increase productivity and cost-cutting, simultaneously the foreign matter that is clipped in the elevator door can be detected effectively, thereby safety can be guaranteed.
Description of drawings
Fig. 1 is the front view of an embodiment of expression elevator car safety of the present invention;
Fig. 2 is the birds-eye view of lift car and elevator lobby gangway;
Fig. 3 is the main portion amplification plan view of the door shield part of expression elevator door;
Fig. 4 is the enlarged front view of voltage sensitive sensor;
Fig. 5 is the enlarged front view of the voltage sensitive sensor of expression when detecting the rope form foreign matter.
Nomenclature
1-lift car
4-elevator cab door
Vertical of 4a-door shield
4b-lower end horizontal surface
6-lift car threshold
7-machine dish
10-elevator lobby side elevator door
13-safety shoe
15-switch
17-voltage sensitive sensor
The specific embodiment
Below with reference to the accompanying drawings the embodiment of elevator car safety involved in the present invention is described.
Fig. 1 is the front view of an embodiment of expression elevator car safety of the present invention, Fig. 2 is the birds-eye view of lift car and elevator lobby gangway, Fig. 3 is the main portion amplification plan view of the door shield part of expression elevator door, Fig. 4 is the enlarged front view of voltage sensitive sensor, and Fig. 5 is the enlarged front view of the voltage sensitive sensor of expression when detecting the rope form foreign matter.
As shown in Figure 1, elevator has: the elevator door suspension member shell (door hanger case) 2 that is arranged on the top, car gangway of lift car 1; Extend the elevator door guide rail 3 that is arranged on the elevator door suspension member shell 2; Elevator door suspension member (door hanger) 5 by elevator door guide rail 3 guiding and suspention elevator cab door 4; The lift car threshold 6 of guiding elevator cab door 4 lower ends; Be arranged on the lift car 1, by stern fast and the not shown control part bonded assembly machine dish 7 that carries out the overall control of elevator; And elevator lobby side elevator door 10, this elevator lobby side elevator door 10 is arranged on the place, elevator lobby gangway that is made of elevator lobby side door sill 8 and lift door frame 9 as shown in Figure 2, can be relative with elevator cab door 4.
And, be provided with as the safety device of elevator: safety shoe 13, it is arranged on the elevator cab door 4, and by a pair of link rod 11,12 supportings that can move forward and backward, vertical 4a of the door shield of comparable elevator cab door 4 is more outstanding; Switch 15, its along with retreating of safety shoe 13 foreign matter found signal by connect up 14 and machine dish 7 output to control part; And voltage sensitive sensor 17, it is provided with in the one mode and is set to the lower end horizontal surface 4b of elevator cab door 4 from vertical 4a of the door shield of elevator cab door 4 always, along with detecting foreign matter foreign matter found signal by connect up 16 and machine dish 7 output to control part.And, above-mentioned detection foreign matter when elevator door cuts out is also exported foreign matter and is found that the foreign matter detecting unit of signal is made of safety shoe 13, switch 15 and voltage sensitive sensor 17 after finding foreign matter, and find that according to foreign matter signal makes the action of elevator door phase down or makes elevator door carry out the elevator door control unit of opening action in the phase down action, and, constitute by control part respectively according to the startup prevention unit that foreign matter discovery signal stops lift car 1 to start.
In addition, as shown in Figure 4, described voltage sensitive sensor 17 is installed on the elevator cab door 4 by retaining member 18, rise at vertical 4a of the door shield of elevator cab door 4, to the position of lower end horizontal surface 4b, have radius part 17a, and this radius part 17a is provided with the pressing member 19 that voltage sensitive sensor 17 is pushed.And, pressing member 19 is formed with a plurality of projection 19a that voltage sensitive sensor 17 is pushed on its subtend face relative with voltage sensitive sensor 17, pressing member 19 is divided into vertical member 19b and horizontal member 19c simultaneously, this vertical member 19b has vertical that roughly flushes with vertical 4a of door shield, and this horizontal member 19c has the horizontal surface that roughly flushes with lower end horizontal surface 4b.And the radius of the radius part 17a of voltage sensitive sensor 17 is configured to can not detect the numerical value that performance exerts an influence to foreign matter.
And in practical structures, the integral body of voltage sensitive sensor 17, retaining member 18 and pressing member 19 is covered by not shown rubber.In addition, the retaining member 18 that voltage sensitive sensor 17 is bearing on the elevator cab door 4 is fixed on the elevator cab door 4 by fixed orifice 18a, make the vertical part of voltage sensitive sensor 17 from the roughly outstanding 1～2mm that is about of the vertical face of the door shield of elevator cab door 4, and make the horizontal component of voltage sensitive sensor 17 be positioned at the horizontal surface 4b place, lower end of elevator cab door 4, and and threshold 6 between keep roughly being about 1～3mm the interval.
In the elevator car safety of present embodiment, as shown in Figure 5, rope form foreign matter 20 is positioned on the threshold 6 of lift car, along with elevator cab door 4 is closed, if foreign matter 20 is involved between pressing member 19 and the lift car threshold 6, at this moment, pressing member 19 distortion, projection 19a gives voltage sensitive sensor 17 with pressure towards the displacement of arrow F direction thus.Corresponding to this, voltage sensitive sensor 17 by connect up 16 and machine dish 7 detection signal is outputed to control part, control part makes the action of elevator cab door 4 phase downs and carries out opening action.In addition, the rope form foreign matter that is in hang is after being clamped below the elevator cab door 4, along with elevator door cuts out, foreign matter produces pressing force to voltage sensitive sensor 17, thus, voltage sensitive sensor 17 by connect up 16 and machine dish 7 foreign matter is found signal output to control part, control part makes elevator cab door 4 phase downs actions and carries out opening action.
According to present embodiment, can be with simple structure, just utilize a voltage sensitive sensor 17 that is provided with in the one mode, always be set to elevator door lower end horizontal surface 4b from vertical 4a of the door shield of elevator cab door 4, rope form foreign matter that is in hang and the rope form foreign matter that is positioned at threshold 6 places are detected respectively, so can increase productivity and cost-cutting, simultaneously the foreign matter that is clipped in the elevator door can be detected effectively, thereby the safety of elevator can be guaranteed.
In addition, in the present embodiment, with situation that safety shoe 13 only is installed on elevator cab door 4 on one side is that example is described, but has obviously all installed in the elevator of safety shoe on the elevator cab door on both sides, and also can use structure of the present invention in the unidirectional elevator of opening of elevator door.And, when in the unidirectional elevator of opening of elevator door, using safety device of the present invention,, can detect foreign matter more effectively by the door shield part that voltage sensitive sensor is installed in elevator door respectively and contacts with elevator door.
Claims (3)
1. an elevator car safety possesses foreign matter detecting unit and elevator door control unit,
Described foreign matter detecting unit is arranged on the elevator door, detects foreign matter when elevator door cuts out, and the output foreign matter is found signal when finding foreign matter, and described elevator door is by the elevator door suspension member suspention that is arranged on the upper end, and the lower end of elevator door guides by threshold,
Described elevator door control unit finds that according to described foreign matter signal makes described elevator door phase down action, perhaps makes described elevator door carry out opening action in the phase down action,
This elevator car safety is characterised in that described foreign matter detecting unit is made of voltage sensitive sensor, and described voltage sensitive sensor is wholely set, and is set to the lower end horizontal surface of described elevator door from the vertical face of the door shield of described elevator door always,
Described voltage sensitive sensor from vertical of described elevator door door shield, have the radius part to the position of described lower end horizontal surface, and be provided with the pressing member of pushing described voltage sensitive sensor at described radius branch.
2. elevator car safety as claimed in claim 1 is characterized in that,
Described pressing member is formed with at least one projection on its subtend face relative with described voltage sensitive sensor, push described voltage sensitive sensor by one or several projections.
3. elevator car safety as claimed in claim 1 is characterized in that,
Described pressing member is divided into vertical member and horizontal member, and this vertical member has vertical that roughly flushes with the vertical face of described door shield, and this horizontal member has the horizontal surface that roughly flushes with described lower end horizontal surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005324973A JP4792275B2 (en) | 2005-11-09 | 2005-11-09 | Elevator safety device |
| JP2005324973 | 2005-11-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1962385A CN1962385A (en) | 2007-05-16 |
| CN100542928C true CN100542928C (en) | 2009-09-23 |
Family
ID=38081646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101439609A Expired - Fee Related CN100542928C (en) | 2005-11-09 | 2006-11-07 | Elevator car safety |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4792275B2 (en) |
| CN (1) | CN100542928C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5222618B2 (en) * | 2008-04-30 | 2013-06-26 | 株式会社日立製作所 | Elevator door equipment |
| CN105329733B (en) * | 2015-11-11 | 2017-12-15 | 四川汇辰精密机械有限公司 | Elevator control gear |
| CN106064769B (en) * | 2016-07-20 | 2018-07-06 | 大连达发科技有限公司 | Elevator door gap and pressure-detecting device |
| JP6723454B2 (en) * | 2017-06-28 | 2020-07-15 | 三菱電機株式会社 | Elevator door equipment, elevator door link |
| US11745984B2 (en) | 2018-10-23 | 2023-09-05 | Mitsubishi Electric Corporation | Door-pinch detection device and elevator door device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2528629Y2 (en) * | 1987-07-14 | 1997-03-12 | 株式会社 日立ビルシステムサービス | Elevator car door safety device |
| JPH05319751A (en) * | 1992-05-15 | 1993-12-03 | Hitachi Building Syst Eng & Service Co Ltd | Safety device for cage door of elevator |
| JPH05319750A (en) * | 1992-05-15 | 1993-12-03 | Hitachi Building Syst Eng & Service Co Ltd | Safety device for elevator door |
| JP3686061B2 (en) * | 2002-11-27 | 2005-08-24 | 本田技研工業株式会社 | Pressure sensor structure for doors |
-
2005
- 2005-11-09 JP JP2005324973A patent/JP4792275B2/en active Active
-
2006
- 2006-11-07 CN CNB2006101439609A patent/CN100542928C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007131389A (en) | 2007-05-31 |
| CN1962385A (en) | 2007-05-16 |
| JP4792275B2 (en) | 2011-10-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |