CN1258633A

CN1258633A - Warning method and device for the outside opened door of elevator base station

Info

Publication number: CN1258633A
Application number: CN 00112021
Authority: CN
Inventors: 陈金林; 杜国荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-01-14
Filing date: 2000-01-14
Publication date: 2000-07-05

Abstract

The warning method is that on the tracks near elevator base station, one switch with roller and connected to warning device is installed as cage position switch, one permanent magnet is installed beside the elevator room door and one dry reed pipe connected to the warning device is installed near the permanent magnet. In case of the elevator is not in the base station and the elevator room door is opened by outer operator, the warning device sends out photoacoustic alarm immediately.

Description

Alarm method and warning device thereof when elevator base station Room door externally is opened

What the present invention relates to is that a kind of elevator base station Room door that is used for is to have the method for light, the dual warning of sound when opening and realize the warning device that this alarm method adopts by the people externally, is suitable for the various passenger-cargo cage lifters of the overwhelming majority at present.

As elevator, its Room door passes in and out elevator for the operator under the normal drive of gate and open, also need Room door be opened from the outside by key in some cases, that is dangerous if elevator is not at this layer, pay special attention to, in order to avoid go into elevator pit, cause injures and deaths.But under many situations, the operator who opens the Room, base station door takes for elevator promptly at this layer, opens the Room and promptly strides into behind the door, and this moment, elevator happened to fall into elevator pit therefrom and cause injures and deaths not at this layer.Elevator was from invention existing in 1 hundred 50 so far, but no matter be foreign country or homemade, state-of-the-art or premium-quality elevator all also do not have a kind of elevator base station Room door externally by the people be when opening elevator again not a kind of warning device and the method when this layer remind the operator to take care.

Alarm method and warning device thereof when the objective of the invention is to provide a kind of elevator base station Room door externally to be opened at present elevator above shortcomings part, this method employing sound, photoelectric alarm device, when hoistway door externally just be opened and elevator cage warning device can send sound immediately during not in the base station, the dual alerting signal alert of light is taken care, prevent the elevator management personnel casualty accidents.

Alarm method when elevator base station Room door externally is opened and warning device thereof take following scheme to realize: the alarm method when elevator base station Room door externally is opened is near the guide rail of the position elevator base station below the hoistway, install one by support and have the roller switch of the switch of roller as car position, be connected with warning device, its switch is opened a way by the hitting the bow effect of car side when elevator arrives the base station, and warning device is not reported to the police in this situation; In hoistway door side lower edge a permanent magnet is installed, and Room every cover near permanent magnet near installation one be connected to the dry-reed tube of line, its line is connected with warning device, dry-reed tube is in the effect lower contact closure of permanent magnet, car is not when its station, when hoistway door has just been opened by exterior operating personal owing to be contained in permanent magnet position on the door of the Room in company with moving, dry-reed tube can not get the magnetic field effect of permanent magnet, and be when opening a way, warning device sends sound immediately, the dual warning of light, give and to open Room door operation person with dual prompting: elevator is dangerous in this layer attention.

Warning device when elevator base station Room door externally is opened has casing, casing has the loud speaker mesh, loud speaker, printed circuit board (PCB) are housed in the casing and the connection terminal that links to each other with the outside is arranged, electronic control circuit is arranged on the printed circuit board (PCB), electronic devices and components are housed, electronic control circuit is made of power-supply circuit, control circuit, warning circuit, and power-supply circuit is made of step-down transformer B1, rectifier diode D1-D4, resistance R 1, storage battery XDC, capacitor C 1, C2, integrated regulator piece IC1.Control circuit is made of resistance R 2, car position K switch 1, dry-reed tube GK, transistor BG, relay J, protection diode D5.Warning circuit is by chimes of doom module or language module IC2; loud speaker Y; relay contact JK1; JK2; shot-light bubble XD forms; the step-down transformer B of power-supply circuit is elementary in the electronic control circuit joins with elevator pit 220V source of AC; B level of step-down transformer links to each other with rectifier diode D1-D4; rectifier diode D1-D4 mouth is connected to storage battery XDC two ends by current-limiting resistance R1; resistance R 2 one termination storage battery anodes in the control circuit; another termination car position roller switch K; dry-reed tube GK one end and aerotron BG base stage are joined; another termination car position K switch, relay J and protection diode D5 are connected between the collecting electrode and storage battery anode of aerotron BG.The capacitor C positive pole connects integrated regulator piece IC1 input end 1, the two end ground connection of integrated regulator piece IC1,3 ends remove and connect capacitor C 2 positive poles, the anode input power supply of relay contact JK2 arbitrary end place acoustic mode plate also taking alarm or language module IC2, loud speaker Y two ends are sound module taking alarm or the output of language module IC2 and the other end of relay contact JK2 respectively, and shot-light bubble XD is connected to the positive and negative electrode of storage battery XDC respectively by relay contact JK1.

Alarm method when elevator base station Room door externally is opened and warning device thereof are equipped with the normally closed switch of band roller by support owing near the guide rail elevator hoistways base station, lower edge is installed a permanent magnet in the side of Room door, at hoistway door door pocket place the dry-reed tube that is connected to connection lead is installed near permanent magnet, because in permanent magnet and the residing position of the dry-reed tube slit between Room door and door pocket, just often can't see, also be not easy by the people to touching, dry-reed tube was in the effect lower contact closure of permanent magnet when Room door was closing, and the car position roller switch is because lift car hits the bow effect during in the base station when elevator, and switch is open-circuit condition.The concrete principle of work of warning device is as follows: provide the 220V power supply to obtain Dc low voltage power supply behind step-down rectifier by the elevator pit battery socket at ordinary times, through current-limiting resistance R1 to battery charge, storage battery is in long-term floating charge state, storage battery can both provide big electric current for shot-light usefulness at any time when making it guarantee to report to the police, though when elevator meet have a power failure a couple of days also can Normal Alarm.Hoistway door is not opened, elevator is not in the base station, though this moment, car position switch closure circuit voltage can pass through current-limiting resistance R2, but dry-reed tube is because the effect of permanent magnet, the adhesive conducting, make aerotron BG grounded base and end, can not drive the relay adhesive and report to the police, has only the elevator of working as not in the base station, the car position switch closure, appended permanent magnet on the door of the Room is because the opening of Room door, dry-reed tube can not get the magnetic field effect of permanent magnet and during open circuit, electric current injects transistor base makes this pipe conducting, JK2 closed loud speaker in its contact of relay J adhesive sends voice suggestion or alarm sound, and the closure of contact JK1 provides the voltage of shot-light bubble XD to make it to ignite simultaneously, reaches the purpose of dual warning.

The 5V voltage that is provided by mu balanced circuit IC1 capacitor C 1, C2 makes sound circuit or warning circuit obtain suitable voltage and normal operation.

Alarm method when elevator base station of the present invention Room door externally is opened and warning device is reasonable in design, simple in structure, reliable operation, easy for installation, cheap, when externally being sent the timely alert of the dual alerting signal of acousto-optic by the people when elevator is not at this layer when opening immediately, hoistway door takes care, prevent the elevator management personnel casualty accidents, for elevator safety operation provides necessary measures.

The invention will be further described below with reference to accompanying drawing.

Fig. 1 is the normally closed switch scheme of installation of band roller in the alarm method of the present invention.

Fig. 2 is a warning device electronic control circuit schematic diagram of the present invention.

With reference to accompanying drawing, alarm method when elevator base station Room door externally is opened is by

support

2,3 normally closed switch 4 that has roller to be installed near the guide rail 1 of the position elevator base station below the hoistway 7, here we are called the car position roller switch, car position roller switch 4 is connected with warning device, and car position roller switch structure is same as reduce roll switch 5, lower limit roller switch 6 (seeing accompanying drawing 1).When elevator arrived the base station, its switch was opened a way by the hitting the bow effect of car side, and warning device is not reported to the police in the case.In hoistway door side lower edge a permanent magnet SN is installed, and Room every cover near permanent magnet near installation one be connected to the dry-reed tube GK of line, its line links to each other with warning device, dry-reed tube is in the effect lower contact closure of permanent magnet, and when elevator during in the base station car position roller switch because lift car hits the bow effect, switch is open-circuit condition, warning circuit can not get driving voltage, Room door no matter be the people be open or elevator just often Room door driven by gate automatically and opened dry-reed tube GK down owing to lose the effect of the permanent magnet that moves with Room door, and be open-circuit condition, annunciator does not all send warning, have only when car during not in the base station, when hoistway door has just been opened by exterior operating personal, because the permanent magnet position companion that is contained on the door of the Room is moved, dry-reed tube loses the magnetic field effect of permanent magnet and during Wu Kailu, warning device sends sound immediately, dual warning of light or verbal cue, not dangerous to opening Room door operation person in this layer attention with dual prompting elevator, prevent because of blindly entering the Room door casualty accident occurs.

With reference to accompanying drawing 2, warning device when elevator base station Room door externally is opened has casing, casing has the loud speaker mesh, loud speaker, printed circuit board (PCB) are housed in the casing and the connection terminal that links to each other with the outside is arranged, electronic control circuit is arranged on the printed circuit board (PCB), electronic devices and components are housed, electronic control circuit is made of power-supply circuit, control circuit, warning circuit, and power-supply circuit is made of step-down transformer B1, rectifier diode D1-D4, resistance R 1, storage battery XDC, capacitor C 1, C2, integrated regulator piece IC1.The integrated regulator piece can adopt integrated regulator chip 7805 etc.Control circuit is made of resistance R 2, car position K switch 1, dry-reed tube GK, transistor BG, relay J, protection diode D5.Warning circuit is by chimes of doom module or language module IC2; loud speaker Y; relay contact JK1; JK2; shot-light bubble XD forms; the step-down transformer B of power-supply circuit is elementary in the electronic control circuit joins with elevator pit 220V source of AC; B level of step-down transformer links to each other with rectifier diode D1-D4; rectifier diode D1-D4 mouth is connected to storage battery XDC two ends by current-limiting resistance R1; resistance R 2 one termination storage battery anodes in the control circuit; another termination car position roller switch K; dry-reed tube GK one end and aerotron BG base stage are joined; another termination car position K switch, relay J and protection diode D5 are connected between the collecting electrode and storage battery anode of aerotron BG.The capacitor C positive pole connects integrated regulator piece IC1 input end 1, and connect storage battery XDC anode, the two end ground connection of integrated regulator piece IC1,3 ends remove and connect capacitor C 2 positive poles, the anode input power supply of relay contact JK2 arbitrary end place sound module also taking alarm or language module IC2, loud speaker Y two ends are sound module taking alarm or the output of language module IC2 and the other end of relay contact JK2 respectively, and shot-light bubble XD is connected to the positive and negative electrode of storage battery XDC respectively by relay contact JK1.

Claims

Alarm method when 1, a kind of elevator base station Room door externally is opened, it is characterized in that near the guide rail of the position elevator base station below the hoistway, by support one switch that has a roller being installed is connected with warning device as the roller switch of car position, its switch is opened a way by hitting under the bow effect of car side when elevator arrives the base station, and warning device is not reported to the police in this situation; In the hoistway door lateral edge permanent magnet is installed, and Room every cover near permanent magnet near installation one be connected to the dry-reed tube of line, its line is connected with warning device, dry-reed tube is in the effect lower contact closure of permanent magnet, when car during not in the base station, when hoistway door has just been opened by exterior operating personal owing to be contained in permanent magnet position on the door of the Room in company with moving, dry-reed tube can not get the magnetic field effect of permanent magnet and when being open circuit, warning device sends sound, the dual warning of light immediately.
Warning device when 2, a kind of elevator base station Room door externally is opened, have casing, casing has the loud speaker mesh, loud speaker, printed circuit board (PCB) are housed in the casing and the connection terminal that links to each other with the outside is arranged, electronic control circuit is arranged on the printed circuit board (PCB), electronic devices and components are housed, it is characterized in that electronic control circuit is made of power-supply circuit, control circuit, warning circuit; Power-supply circuit is made of step-down transformer BL, rectifier diode D1-D4, resistance R 1, storage battery XDC, capacitor C 1, C2, integrated regulator piece IC1; Control circuit is made of resistance R 2, car position K switch 1, dry-reed tube GK, transistor BG, relay J, protection diode D5; Warning circuit is made up of chimes of doom module I C2, loud speaker Y, relay contact JK1, JK2, shot-light bubble XD; The step-down transformer B of power-supply circuit is elementary in the electronic control circuit joins with elevator pit 220V source of AC; B level of step-down transformer links to each other with rectifier diode D1-D4; rectifier diode road D1-D4 mouth is connected to storage battery XDC two ends by current-limiting resistance R1; resistance R 2 one termination storage battery anodes in the control circuit; another termination car position roller switch K; dry-reed tube GK one end and aerotron BG base stage are joined; another termination car position K switch; relay J and protection diode D5 are connected between the collecting electrode and storage battery anode of aerotron BG; the capacitor C positive pole connects integrated regulator piece IC1 input end 1; the two end ground connection of integrated regulator piece IC1; 3 ends remove and connect capacitor C 2 positive poles; the anode input power supply of relay contact JK2 arbitrary end place acoustic mode plate also taking alarm or language module IC2; loud speaker Y two ends are sound module taking alarm or the output of language module IC2 and the other end of relay contact JK2 respectively, and shot-light bubble XD just is being connected to storage battery XDC respectively by relay contact JK1; negative pole.