CN212531882U

CN212531882U - Elevator non-door area alarm device

Info

Publication number: CN212531882U
Application number: CN202020844564.4U
Authority: CN
Inventors: 杨晨曦; 赵晓杰; 赵作栋; 杨涛; 於刚毅; 韩伟良; 罗建林
Original assignee: Zhejiang Meilun Elevator Co Ltd
Current assignee: Zhejiang Meilun Elevator Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-02-12
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses an elevator non-door zone alarm device, which comprises an emergency power supply, a control switch power supply, a door zone switch, a non-door zone alarm switch, a buzzer, a diode A, a diode B, a relay A, a relay B, a relay A contact and a relay B contact; the positive pole of emergency power supply connects in not door district alarm switch's 1 foot, not door district alarm switch's 2 feet are connected in relay A contact, relay A contact connection is in the positive pole of bee calling organ, emergency power supply's negative pole is connected in the negative pole of bee calling organ. This elevator alarm device in non-door zone controls the buzzer return circuit through non-door zone alarm switch, relay A and relay B for the elevator is not in the door zone time, and the buzzer buzzes, and the buzzer stops to buzzing in the door zone time, brings inconvenience for rescue work with this, improves the ageing of rescue work.

Description

Elevator non-door area alarm device

Technical Field

The utility model relates to an elevator technical field specifically is a non-door district alarm device of elevator.

Background

With the continuous development of elevator technology, the safety performance of an elevator is also continuously improved, but at present, an elevator with a machine room is rescued to a door area by releasing a brake through a barring hand wheel, and the position of the door area is observed through the position mark of a steel wire rope door area; no computer lab elevator unlocks through long-range floodgate, can observe wire rope door zone position mark through the observation hole and judge door district position, also can judge door district position through some specific demonstration of observation switch board charactron, but these methods all need professional personnel to judge just can know when the rescue, have arrived the position that the door district can be rescued, and sometimes is not directly perceived enough, and the floodgate that unlocks has surpassed the door district, leads to the reduction of rescue ageing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator is alarm device in non-door district through non-door district alarm switch, relay A and relay B control buzzer return circuit for the elevator is not in the door district, and buzzer buzzes, and the buzzer stops buzzing in the door district, and the problem among the prior art can be solved for rescue work brings inconvenience to this, improves the ageing of rescue work.

In order to achieve the above object, the utility model provides a following technical scheme: a non-door area alarm device of an elevator comprises an emergency power supply, a control switch power supply, a door area switch, a non-door area alarm switch, a buzzer, a diode A, a diode B, a relay A, a relay B, a relay A contact and a relay B contact;

the positive pole of the emergency power supply is connected with a pin 1 of the alarm switch in the NOT gate area, a pin 2 of the alarm switch in the NOT gate area is connected with a contact A of the relay, the contact A of the relay is connected with the positive pole of the buzzer, and the negative pole of the emergency power supply is connected with the negative pole of the buzzer;

the positive pole, the negative pole of control switch power are connected in relay B, relay B connects in the positive pole, the negative pole of door district switch, door district switch connects in relay B contact, relay B contact is connected in 3 feet of non-door district alarm switch, 4 feet of non-door district alarm switch connect in relay A, relay A connects in the negative pole of bee calling organ.

Preferably, the diode a is electrically connected to a positive circuit of the control switch power supply, and the diode B is electrically connected to a circuit in which the positive electrode of the control switch power supply is connected to the contact of the relay B.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this elevator is not door district alarm device, owing to adopted bee calling organ to carry out not door district warning, do not report to the police when the door district for the rescue personnel can be more audio-visual judge whether the elevator is in the door district position this moment through the sense of hearing, with the accurate car barring of elevator or long-range floodgate of loosing to door position, improved the ageing of rescue work greatly.

2. According to the elevator non-door area alarm device, the DC12V and DC24V isolation circuits are adopted, and the loop of the buzzer and the door area switch during normal operation of the elevator share the same circuit, so that the original materials are utilized, and the design cost for increasing the function is reduced; in addition, different door zone methods designed by different manufacturers are avoided, the requirement on the professional skill level of rescue workers is lowered, and the judgment on the rescue of the elevator to the door zone is simpler and more convenient.

Drawings

Fig. 1 is a schematic circuit diagram of the present invention.

In the figure: 1. an emergency power supply; 2. controlling the switching power supply; 3. a door zone switch; 4. a NOT gate area alarm switch; 5. a buzzer; 6. a diode A; 7. a diode B; 8. a relay A; 9. a relay B; 10. A relay A contact; 11. and a relay B contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an elevator non-door zone alarm device includes an emergency power supply 1, a control switch power supply 2, a door zone switch 3, a non-door zone alarm switch 4, a buzzer 5, a diode a6, a diode B7, a relay A8, a relay B9, a relay a contact 10, and a relay B contact 11; the positive pole of the emergency power supply 1 is connected to pin 1 of the alarm switch 4 in the NOT gate area, pin 2 of the alarm switch 4 in the NOT gate area is connected to the relay A contact 10, the relay A contact 10 is connected to the positive pole of the buzzer 5, and the negative pole of the emergency power supply 1 is connected to the negative pole of the buzzer 5.

The positive pole and the negative pole of the control switch power supply 2 are connected to a relay B9, a relay B9 is connected to the positive pole and the negative pole of a door zone switch 3, the door zone switch 3 is connected to a relay B contact 11, the relay B contact 11 is connected to a pin 3 of a non-door zone alarm switch 4, a pin 4 of the non-door zone alarm switch 4 is connected to a relay A8, and a relay A8 is connected to the negative pole of a buzzer 5.

The diode a6 is electrically connected to the positive electrode circuit of the control switching power supply 2, and the diode B7 is electrically connected to the circuit in which the positive electrode of the control switching power supply 2 is connected to the relay B contact 11.

According to the non-door zone alarm device for the elevator, an emergency power supply 1 provides a control switch power supply 2 to stop working, the condition that the elevator cuts off the control power supply for rescue provides a power supply of a buzzer 5 loop DC12V, and the power supply of the DC12V and the power supply of the DC24V are isolated from the control switch power supply 2 through a diode A6 and a diode B7.

This non-door district alarm device of elevator, door district switch 3 provides control system door district signal when normal and uses, supplies power DC24V through control switch power supply 2 and carries out work, when the outage rescue, provides DC12V through emergency power supply 1 and carries out work.

This elevator does not have door district alarm device, relay B9 are two sets of normally closed contacts through relay B contact 11, and when elevator control power supply operating condition, the DC12V that cuts off emergency power supply 1 simultaneously gives door district switch 3 power supply circuit and relay A8 coil power supply circuit, avoids door district switch 3 working power supply's unicity when normal use.

This elevator does not have door district alarm device, relay A8 is a set of normally closed contact through relay A contact 10, is in DC12V work rescue state this moment, if door district switch 3 is not in the door district, relay A8 is out of work, relay A contact 10 is closed, bee calling organ 5 sends out the police dispatch newspaper, if door district switch 3 reachs the door district this moment, relay A8 work, relay A contact 10 disconnection, bee calling organ 5 alarm sound stops.

The non-door area alarm device of the elevator is characterized in that a non-door area alarm switch 4 is a switch for operating rescue workers to the site, and the switch is closed during rescue, so that a power supply loop of a relay A8 and a buzzer 5 is switched on.

This elevator is not door district alarm device, owing to adopted bee calling organ 5 to carry out not door district warning, do not report to the police when the door district for the rescue personnel can be more audio-visual judge whether the elevator is in the door district position this moment through the sense of hearing, with the accurate car barring of elevator or long-range floodgate of loosing to door position, improved the ageing of rescue work greatly.

According to the elevator non-door area alarm device, the DC12V and DC24V isolation circuits are adopted, and the loop of the buzzer 5 and the door area switch 3 during normal operation of the elevator share the same circuit, so that the original materials are utilized, and the design cost for increasing the function is reduced; in addition, different door zone methods designed by different manufacturers are avoided, the requirement on the professional skill level of rescue workers is lowered, and the judgment on the rescue of the elevator to the door zone is simpler and more convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elevator does not distinguish alarm device which characterized in that: the emergency door zone alarm system comprises an emergency power supply (1), a control switch power supply (2), a door zone switch (3), a non-door zone alarm switch (4), a buzzer (5), a diode A (6), a diode B (7), a relay A (8), a relay B (9), a relay A contact (10) and a relay B contact (11);

the positive pole of the emergency power supply (1) is connected to a pin 1 of the alarm switch (4) in the NOT gate area, a pin 2 of the alarm switch (4) in the NOT gate area is connected to a relay A contact (10), the relay A contact (10) is connected to the positive pole of the buzzer (5), and the negative pole of the emergency power supply (1) is connected to the negative pole of the buzzer (5);

the positive pole, the negative pole of control switch power supply (2) are connected in relay B (9), relay B (9) are connected in the positive pole, the negative pole of door district switch (3), door district switch (3) are connected in relay B contact (11), relay B contact (11) are connected in the 3 feet of non-door district alarm switch (4), the 4 feet of non-door district alarm switch (4) are connected in relay A (8), relay A (8) are connected in the negative pole of bee calling organ (5).

2. The elevator no-door zone warning device according to claim 1, characterized in that: the diode A (6) is electrically connected to a positive circuit of the control switch power supply (2), and the diode B (7) is electrically connected to a circuit in which the positive electrode of the control switch power supply (2) is connected with the relay B contact (11).