CN1644479A - Controller and controlling method for preventing elevator from harming event - Google Patents
Controller and controlling method for preventing elevator from harming event Download PDFInfo
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- CN1644479A CN1644479A CN 200510037637 CN200510037637A CN1644479A CN 1644479 A CN1644479 A CN 1644479A CN 200510037637 CN200510037637 CN 200510037637 CN 200510037637 A CN200510037637 A CN 200510037637A CN 1644479 A CN1644479 A CN 1644479A
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- Prior art keywords
- elevator
- switch
- door
- dry
- car
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- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/22—Operation of door or gate contacts
Abstract
A control unit of elevator for preventing the generation of damage events and its method are disclosed. When such conditions as too large error of floor alignment, moving cage without closing the floor gate of elevator well, or opening the floor gate of elevator well where the cage is not positioned occurs, the state of elevator is changed from 'normal running' to 'stop' and the elevator can be only manipulated in manitenance mode. After the failure is dissolved and the restoration operation is performed, the elevator can be normally running.
Description
Technical field
The present invention relates to a kind ofly when being used between lift car and the Room door position and being in non-safe condition, make elevator control setup and control method out of service in time.
Background technology
At present, in the process of maintenance elevator, because personnel are in hoistway or pit operation, if this moment, elevator was in the state of " normal operation " rather than " suddenly stopping " or " maintenance ", in case Room door is closed, when meeting the elevator condition of service, car just can move with normal operating speed, this may produce injury to the personnel that are positioned at hoistway and pit, this injury accident at home and abroad all also happens occasionally so far, for this reason, some national elevators is installed and the safe handling standard is clearly stipulated to be installed in dwelling house and can be opened the elevator of layer door automatically and should equip the device that can cut off control circuit when the stranger enters the hoistway of elevator, and can only be recovered the operation of elevator by machine room.
Publication number CN 1286208A (enters the safety device and the method for elevator hoistways, 1999.8.30, the application of OTIS company,) its solves is the problem of the car injury avoiding moving of the personnel in the hoistway operation, this method is actually by being provided with of computer program of elevator control is undertaken, interrelation realizes between employing continuous monitoring Room door and gate, this technology just has the defective that can not ignore so: if operating personal will enter elevator hoistways or pit work, certainly will elevator cage operation to other layers be stopped layer by the effect of outgoing call button, lift car is being opened the Room door that the back operator opens bottom more automatically arriving door district and door, in fact this program just can not detect the appearance of this situation, and the shared ratio of this situation is very big, when operating personal enters pit and closes Room door, elevator also just can move express, and this moment is also with regard to this technical design person's of out of reach purpose.Though this technology has obtained practical application on elevator, and " a kind of vertical shaft control of access of safe enough is provided, makes to go through abroad as rules." but think to have and improve and perfect necessity.
Being as elevator on the other hand, is to open under gate drives under the door normal circumstances of the Room, passes in and out elevator for the operator, after car arrives corresponding floor and opens the door, should flat bed all right.For the speed governing elevator, national safety standard is formulated is ± 15mm in, double-speed elevator is ± 30mm in, because flat bed is overproof to be an important technical index of elevator, if elevator the overproof 15-30mm that surpasses of flat bed occurs when above, in time elevator is carried out such as maintenance with regard to needs, the work of adjustment and so on, otherwise just be prone to the incident of injury that trips the occupant, temporarily also do not list the category of casualty statistics in this incident of injury of China, trip occupant's the incident of injury at European elevator, become according to its quantity of statistics and arranged deputy elevator incident of injury type.For some speed governing elevator, if elevator can adopt flat-layer technique to solve when the overproof abnormal situation of this class flat bed occurring again, but this flat bed again needs a time course, can not in time elevator be adjusted in the safe scope, just might trip the passenger of turnover again and again in the process of flat bed at this.Importantly this flat-layer technique more just a kind of under this abnormal situation remedies measure, and really solve elevator inadequately and existed and slow down and stop there is the improper problem of adjustment between the layer, if this problem does not solve, the overproof flat bed phenomenon again that reaches of flat bed can appear in elevator continually.
Also have on the one hand, elevator is because the situation of cage operation can take place in some reason under the situation of opening the door, so far these two kinds of problems at home and abroad also all happen occasionally, be difficult to stop, in case people's life security takes place to threaten, can cause serious accident, though the development of current technology, make the elevator control ability obtain unprecedented raising, but the situation outwardness of cage operation takes place under the situation of opening the door, need adopt redundancy to this regional safe condition on original mode basis, increase safe link again, realize two-fold monitoring and control.
Summary of the invention
The objective of the invention is to improve the weak point that above-mentioned prior art exists; when the lift car overproof excessive or elevator of flat bed that arrives at a station is not being closed under the situation of Room door and car occurred upwards; downward direction move or when manually opening the layer Room, the non-place of lift car door; make elevator out of service at once; and can only operate an elevator by maintenance mode; when hoistway door and car is in a safe condition and after machine room carries out reset operation; elevator can enough move in normal operation (express) mode, provides a kind of passenger of protection to avoid the injury of elevator when improper; guarantee is in the control setup that the elevator incident of injury takes place that prevents of hoistway and pit staff safety.
Another object of the present invention provides a kind of control method that prevents that the elevator incident of injury from taking place.
Technical scheme of the present invention is:
A kind of control setup that prevents that the elevator incident of injury from taking place, be connected to the dry-reed tube GB of lead in place, the fixed position installation one of every layer of hoistway door, on this Room door, corresponding permanent-magnet steel is installed with the dry-reed tube corresponding position of being installed, adjust its position, when making it work as Room door closed contact, appended magnet steel can make its contact reliably closed to the dry-reed tube effect of being installed, conducting, the one dry-reed tube GA that is connected to lead also is installed at this layer lading door dill one side position place, be installed on the lading door dill dry-reed tube GA two ends lead and the dry-reed tube GB two ends lead that is installed in this place, floor fixed position mutually and connect the formation floor and take back the road; The corresponding position of dry-reed tube GA of installing with lading door dill in car sill is equipped with a pair of magnet steel, its spacing is slightly wideer than dry-reed tube GA, make its can be when lift car arrives at a station flat bed dry-reed tube GA be subjected to the magnetic field effect of this a pair of magnet steel and reliable closed, conducting, with each floor and connect and take back the road and be serially connected by connecting wire and form the serial connection loop, should be connected in series the loop is connected between detection relay J 1 and the power supply, one group of contact detecting in the relay J 1 is connected between control relay coil J2 and the positive source, another termination of control relay coil J2 itself one group of open contact J2-1 and and button switch AN together be connected to the negative pole of power supply, " the suddenly stopping " switch that it is characterized in that other contact bank J2-2 of control relay coil J2 and elevator is (as machine room emergency stop switch K1, sedan-chair top emergency stop switch K2, cab interior emergency stop switch K3, pit emergency stop switch etc.) be in series, by the one group of synchro switch K that is set up in elevator " normal-maintenance " switch
XJ2-2 is in parallel with this contact bank.
The above-mentioned K switch that is connected in parallel on the other contact bank J2-2 of control relay coil J2
XBe a lock button switches set of being set up in elevator " inspection travel " button switch.
Other contact bank J2-2 of described control relay coil J2 and K switch in parallel
XOr be serially connected with " safety " loop of elevator or be serially connected with detection-controlling point that elevator motor drives operation relay coil loop or is serially connected with the other setting in the elevator control circuit.
The present invention can adopt following method to realize:
A kind of control method that prevents that the elevator incident of injury from taking place, relative position to hoistway door and car detects, in case it is characterized in that occurring the car overproof excessive or elevator of the flat bed car under the situation of not closing Room door that arrives at a station occurs upwards, during downward direction mobile or when manually opening other floor hoistway doors, immediately elevator is converted to " stopping " state by original normal operating condition and realizes that elevator is out of service, when the maintainer with " normal-maintenance " of elevator when switch pushes " maintenance " position, a secondary synchro switch that is increased will " suddenly stop " the contact bank short circuit that switch is in series with elevator again, when its operating personal operates an elevator car in hoistway, be merely able to when hoistway door is closed, by maintenance mode car be moved on the sedan-chair top, have only when elevator " normal-maintenance " switch is pushed " normally " position, the personnel of operation leave hoistway or pit, hoistway door is closed, and after machine room carried out reset operation, elevator can enough move with normal operating mode.
Beneficial effect of the present invention:
Employing one cover control setup has solved the ladder that opens the door away, flat bed is overproof and other reasons brings the problem of injury for elevator passenger, elevator service personnel, make when in a single day unsafe state appears in elevator, out of service at once, wait for the affirmation of elevator service personnel, be suitable for any elevator applications that car, Room door are arranged the elevator safety state.
Description of drawings
Fig. 1 is the detecting device figure that whether position is in normal condition between lift car and Room door;
Fig. 2 is apparatus for controlling elevator original " suddenly a stopping " switch scheme drawing;
Fig. 3 is a control part schematic diagram pointed among the present invention;
Fig. 4 is that control relay contact bank and elevator among the present invention " suddenly stops " interconnecting wiring diagram that switch is in series.
Among the figure: GA is mounted in the dry-reed tube of lading door dill one side; GB is mounted in the dry-reed tube of layer door fixed position one side; The n of GA, GB back, n-1, n-2...... are the hoistway door number of floor levels; N, S are the permanent-magnet steel magnetic poles; J1 detects relay coil; J2 is the control relay coil; J1-1 is a secondary open contact that detects in the relay J 1; J2-1 is the secondary open contact among the control relay J2; AN resets the open type button switch of usefulness; A and B are the contacts of detecting device; V+ is a positive source; GND is a power cathode; J2-2 is another auxiliary contact group of control relay J2; K
XIt is one group of synchro switch setting up in elevator " normal-maintenance " switch; K1 is that machine room emergency stop switch, K2 are that car top emergency stop switch, K3 are the cab interior emergency stop switch.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Shown in Fig. 1-4, be connected to dry-reed tube (GBn, the GBn-1 of line in the fixed position of every layer of Room door of elevator installation one ...), in the dry-reed tube correspondence position of being installed, the permanent-magnet steel of responding to mutually with dry-reed tube is installed on every layer of Room door, adjust its position, when making it work as Room door closed contact, appended magnet steel can make reliable closed, the conducting in its contact to the dry-reed tube effect of being installed.Be connected to dry-reed tube (GAn, the GAn-1 of lead in this layer lading door dill one side position installation one ...), with be installed on the lading door dill dry-reed tube two ends lead be installed in this layer fixed position on dry-reed tube two ends lead mutually and connect, the dry-reed tube correspondence position of installing in lading door dill, the permanent-magnet steel of a pair of induction usefulness is installed at car sill, its spacing is slightly wideer than dry-reed tube, make its can be when lift car arrives at a station flat bed dry-reed tube be subjected to the magnetic field effect of this a pair of permanent-magnet steel and reliable closed, conducting.With and two dry-reed tube two ends lines that connect by lead and last, following all floors of floor are installed with quadrat method by above-mentioned, the bonded assembly dry-reed tube is serially connected again, constitute a path, pass through A, 2 of B and control circuit join, like this if every layer of Room door all closed its several dry-reed tube (GBn when putting in place, GBn-1 ...) all be subjected to the appended magnet steel effect of floor Room door separately and closure, be channel status, if car arrives any floor flat bed when opening the door (when arriving the n-3 layer), though move the magnet steel position on the door of the Room thereupon, the dry-reed tube of being installed (GBn-3) can not get the magnetic field effect, when open a way in the contact, but electric current still can be by being installed in dry-reed tube (GAn-3) on the lading door dill because of the appended a pair of magnet steel effect conducting of car sill, constitute the loop, therefore no matter Room door is closure or is opening, when as long as car and Room door relative position are in normally (safety) position, A, all the time be in closed conducting state between B, when following situation occurs, A, 2 of B are open circuit: 1. hoistway door does not close that car is moved when putting in place (the terraced phenomenon of opening the door away), and the magnet steel that is attached on the car together is removed; 2. after elevator arrived at a station and stops layer, the car flat bed was overproof excessive, and when the magnet steel on the door of the Room together was removed with Room door again, dry-reed tube can not receive corresponding induced signal, is open-circuit condition thereby make between A, B.
Testing circuit A shown in Figure 1,2 of B are the loop of a closure all the time when elevator normally moves, in a single day the battery tension that is used for the elevator emergency illuminalive power-supply inserts Fig. 3 circuit, the detection relay J 1 that is in series with it just is in the mode of operation of adhesive, contact J1-1 adhesive, when pressing the button switch AN that often opens, control relay J2 coil two ends obtain operating voltage, the contact adhesive, the contact J2-1 that is in parallel with button switch AN is the self-holding contact group of control relay J2, obtain voltage at control relay J2 coil, finish self-locking after the adhesive of contact, the process of self-insurance, " suddenly stopping " switch of another group contact J2-2 of control relay J2 and elevator is in series, by the one group of synchro switch K that is set up in elevator " normal-maintenance " switch
XBe in parallel with the J2-2 contact, as shown in Figure 4.
In case testing circuit detects elevator door and car position not when safe condition, open a way between A, B, detect relay J 1 no-voltage, contact J1-1 open circuit, control relay coil J2 is come out of action voltage thereupon, and armature discharges, the loop that is in series with elevator " urgency is stopped " switch (as K1, K2, K3 etc.) is open-circuit condition, make elevator be in run-stopping status, when the maintainer incites somebody to action " normal-operation " when switch pushes " maintenance " position, a secondary synchro switch K who is increased
XTo " suddenly stop " the contact J2-2 short circuit that switch is in series with elevator again, make its operating personal be merely able in hoistway, car be moved by maintenance mode, have only when elevator " normal-maintenance " switch is pushed the " RUN " position, the personnel of operation leave well pit, hoistway door is closed, and after machine room carried out reset operation, elevator can enough move in " normal operation " mode, reaches the elimination car and produces the purpose of injury to entering the well pit operating personnel.
The concrete control step that prevents the control method that the elevator incident of injury takes place of present embodiment can be:
A, at the Room of every layer of elevator door, one group of detecting device parallel with one another is set on the sill, the corresponding position is provided with respectively and the cooresponding induction installation of detecting device in Room door and car, be serially connected with after the detecting device serial connection with the described parallel connection of each layer and detect between relay J 1 and the power supply, one group of contact detecting in the relay J 1 is connected between control relay coil J2 and the positive source, another termination of control relay coil J2 itself one group of open contact J2-1 and and button switch AN together be connected to the negative pole of power supply, " suddenly stopping " switch of other contact bank J2-2 of control relay coil J2 and elevator is in series, in elevator " normal-maintenance " switch loop, sets up one group of synchro switch K that is in parallel with this contact bank J2-2
X
B, detect by above-mentioned detecting device and induction installation relative position to hoistway door and car;
C, when occur car arrive at a station the overproof excessive or elevator of flat bed do not closing that car occurs upwards under the situation of Room door, when downward direction moves or when manually opening other floor hoistway doors, above-mentioned detecting device sends signal, immediately elevator is converted to " stopping " state by original normal operating condition and realizes that elevator is out of service, treat that the maintainer overhauls and after machine room is pressed the reset operation key, could normally start operation;
D, when the maintainer with " normal-maintenance " of elevator when switch pushes " maintenance " position, the synchro switch K that is in parallel with one group of contact bank J2-2 of control relay coil J2
XTo " suddenly stop " the contact bank J2-2 short circuit that switch is in series with elevator, when operating personal operates an elevator car in hoistway, be merely able under the situation that hoistway door is closed, by maintenance mode car be moved on the sedan-chair top, have only when elevator " normal-maintenance " switch is pushed " normally " position, the personnel of operation leave hoistway or pit, hoistway door is closed, and after machine room carried out reset operation, elevator can enough move with normal operating mode.
Described detecting device is made up of dry-reed tube and corresponding connecting wire, dried spring is separately positioned on hoistway door and lading door dill corresponding position, the dried bomb tube that is arranged on every layer of hoistway door and lading door dill forms and takes back the road again with lead and after connecing, each floor and take back the road and be connected in series the back mutually and form a string road that takes back, should be connected in series the loop again and link to each other with detection relay J 1 and control relay coil J2 as stated above.
Described induction installation is a magnet steel, and it is slightly wide to be installed in the dry-reed tube that the gap ratio of the magnet steel of car sill corresponding position is arranged on the lading door dill.
Claims (4)
1, a kind of control setup that prevents that the elevator incident of injury from taking place, be connected to the dry-reed tube GB of lead in place, the fixed position installation one of every layer of hoistway door, on this Room door, corresponding permanent-magnet steel is installed with the dry-reed tube corresponding position of being installed, the one dry-reed tube GA that is connected to lead also is installed at this layer lading door dill one side position place, be installed on the lading door dill dry-reed tube GA two ends lead and the dry-reed tube GB two ends lead that is installed in this place, floor fixed position mutually and connect the formation floor and take back the road; The corresponding position of dry-reed tube GA of installing with lading door dill in car sill is equipped with a pair of magnet steel, its spacing is slightly wideer than dry-reed tube GA, with each floor and connect and take back serial connection back, road and form the serial connection loop, should be connected in series the loop is connected between detection relay J 1 and the power supply, one group of contact detecting in the relay J 1 is connected between control relay coil J2 and the positive source, another termination of control relay coil J2 itself one group of open contact J2-1 and and button switch AN together be connected to the negative pole of power supply, " the suddenly stopping " switch that it is characterized in that other contact bank J2-2 of control relay coil J2 and elevator is in series, by the one group of synchro switch K that is set up in elevator " normal-maintenance " switch
XJ2-2 is in parallel with this contact bank.
2, the control setup that prevents that the elevator incident of injury from taking place according to claim 1 is characterized in that being connected in parallel on the K switch of the other contact bank J2-2 of control relay coil J2
XBe a lock button switches set of being set up in elevator " inspection travel " button switch.
3, the control setup that prevents that the elevator incident of injury from taking place according to claim 1 is characterized in that other contact bank J2-2 of control relay coil J2 and K switch in parallel
XOr be serially connected with " safety " loop of elevator or be serially connected with detection-controlling point that elevator motor drives operation relay coil loop or is serially connected with the other setting in the elevator control circuit.
4, a kind of control method that prevents that the elevator incident of injury from taking place, relative position to hoistway door and car detects, in case it is characterized in that occurring the car overproof excessive or elevator of the flat bed car under the situation of not closing Room door that arrives at a station occurs upwards, during downward direction mobile or when manually opening other floor hoistway doors, immediately elevator is converted to " stopping " state by original normal operating condition and realizes that elevator is out of service, when the maintainer with " normal-maintenance " of elevator when switch pushes " maintenance " position, a secondary synchro switch that is increased will " suddenly stop " the contact bank short circuit that switch is in series with elevator again, when its operating personal operates an elevator car in hoistway, be merely able to when hoistway door is closed, by maintenance mode car be moved on the sedan-chair top, have only when elevator " normal-maintenance " switch is pushed " normally " position, the personnel of operation leave hoistway or pit, hoistway door is closed, and after machine room carried out reset operation, elevator can enough move with normal operating mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100376379A CN100395166C (en) | 2005-01-07 | 2005-01-07 | Controller and controlling method for preventing elevator from harming event |
| PCT/CN2005/001060 WO2006072195A1 (en) | 2005-01-07 | 2005-07-18 | A control system and method used for an elevator for preventing accidental injury |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100376379A CN100395166C (en) | 2005-01-07 | 2005-01-07 | Controller and controlling method for preventing elevator from harming event |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1644479A true CN1644479A (en) | 2005-07-27 |
| CN100395166C CN100395166C (en) | 2008-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100376379A Expired - Fee Related CN100395166C (en) | 2005-01-07 | 2005-01-07 | Controller and controlling method for preventing elevator from harming event |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100395166C (en) |
| WO (1) | WO2006072195A1 (en) |
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2005
- 2005-01-07 CN CNB2005100376379A patent/CN100395166C/en not_active Expired - Fee Related
- 2005-07-18 WO PCT/CN2005/001060 patent/WO2006072195A1/en not_active Application Discontinuation
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| WO2006072195A1 (en) | 2006-07-13 |
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