CN2261412Y

CN2261412Y - Automatic fault alarm of elevator

Info

Publication number: CN2261412Y
Application number: CN 96202748
Authority: CN
Inventors: 刘以凭; 李明; 刘时伟
Original assignee: YIDA ELEVATOR AND ELECTRIC CO Ltd HANGZHOU CITY
Current assignee: YIDA ELEVATOR AND ELECTRIC CO Ltd HANGZHOU CITY
Priority date: 1996-01-23
Filing date: 1996-01-23
Publication date: 1997-09-03
Anticipated expiration: 2006-01-23

Abstract

The utility model relates to an automatic alarm for elevator faults. The utility model comprises a microcomputer, an input interface and an output interface. The utility model is characterized in that the output interface is provided with an automatic dial circuit connected with a data bus of the microcomputer and an I / O control line L1 of the microcomputer, and a speech synthesis circuit connected with an address bus and an I / O control line L2; the output terminals of the automatic dial circuit and the speech synthesis circuit are connected with a local telephone line TL for conveying fault signals through a transmitter. A telephone switching device connected with the local telephone line is arranged on a dialer of the automatic dial circuit. Telephone signals connected with the local telephone line and a state detector are arranged on a state line of the microcomputer, and an audio / number converter is arranged on a data line of the microcomputer.

Description

A kind of elevator faults autoalarm

The utility model relates to a kind of elevator faults warning device, particularly about a kind of at elevator catastrophic failure in service or can be after having a power failure in time by the device of local telephone from trend administrative center or operating personal warning.

According to the safety standard of elevator operation, generally be furnished with city straight line phone or wire intercommunication in the elevator cab so that in elevator generation operating troubles or when having a power failure, can guarantee the passenger in time and the external world get in touch, report to the police.This warning device though have characteristics such as simple, has the following disadvantages at least:

1, the communication distance of wire intercommunication is short, generally is not more than 100 meters, and line is many and need utilize the elevator hoistways cable, when elevator is unattended, can not realize reporting to the police;

2, the necessary artificial marks of ordinary city phone, dialing not only very easily delay time of fire alarming, and when the warning number is unclear, can't in time realize initiatively reporting to the police.

Also there is a common shortcoming in the warning device of the above-mentioned type, promptly is difficult to realize centralized management and supervision automatically, can't initiatively grasp the running condition of elevator, can not satisfy the development need of modern urban construction.

The purpose of this utility model is to provide a kind of with the elevator faults autoalarm of local telephone as the signal transmission channels.

The utility model mainly is made up of micro controller system (micro computer), input interface and output interface.Micro controller system comprises that central process unit (CPU), memory, address decoder and telephone number are provided with device.Micro controller system is connected with Output Interface Control with input interface respectively by data bus, the address bus of CPU and three I/O control lines of drawing through address decoder (being the I/O control line).Input interface comprises elevator faults detector and elevator state detector.Fault detector is by judging detecting elevator to layer signal, loading signal and enabling signal and whether breaking down of elevator, and the breakdown signal that records can be sent into the data bus of CPU by the I/O control line.Output interface can automatically be delivered to administrative center by local telephone with voice mode with the detected breakdown signal of input interface.Output interface mainly is made up of sound-compound-circuit and automatic dial-up circuit, the breakdown signal that the former can send input interface converts breakdown signal to corresponding analog signal by D/A speech production device after latching, storing, and sends into local telephone through amplifier and transmitter; The latter produces telephone number corresponding by electronic dial device and number maker, sends on the local telephone through transmitter again.The other end that is communicated with this local telephone can be the labor management center, also can be the automatic administrative center of computing machine etc., thereby realizes the purpose of warning fast and automatically.For convenience administrative center when elevator faults in time and in the bridge railway carriage or compartment passenger get in touch, and avoid the special line special use, this programme also is provided with the phone switch that can switch and connect intercommunication of bridge railway carriage or compartment and ordinary city phone respectively on the electronic dial device of output interface automatic dial-up circuit.This device is also on the condition line and data line of little reason machine, be provided with the telephone signal and state detector and the audio frequency/digital display generator that are communicated with local telephone respectively, the former is mainly used to detect telephone signal (as busy tone, ring back tone etc.) and the state of telephone set (plucking/on-hook), confirming whether in time delivery management center (whether phone is connected) of breakdown signal, the latter can by to the active inquiry of elevator status signal (floor signal and service direction signal) to reach the purpose of automatic monitoring elevator mode of operation.Feature of the present utility model is: output interface have with data bus D, I/O control line L1 bonded assembly automatic dial-up circuit and with address bus A, I/O control line L2 bonded assembly sound-compound-circuit, the mouth of this automatic dial-up circuit and sound-compound-circuit through transmitter be connected in order to the local telephone that transmits breakdown signal.On the electronic dial device of described automatic dial-up circuit, be provided with the phone switch that can switch and be communicated with bridge railway carriage or compartment interphone and ordinary city phone respectively.On the condition line of micro controller system, be provided with and telephone signal and the state detector of local telephone bonded assembly in order to detection telephone signal state.Be provided with the audio frequency/digital display generator that can convert the voice frequency dial signal to digital signal with the local telephone bonded assembly on the data bus of micro controller system, this conv is connected cooperation through data bus with the elevator state detector of input interface.

The utility model has the advantages that on the basis that utilizes local telephone as the signal transmission channels, not only realized automatic Rapid Alarm function, and be convenient to again elevator is carried out remote centralized management and computing machine is monitored automatically.This device can be notified administrative center or operating personal elevator faults reason specifying informations such as (or power failures) by output interface with speech form in time, exactly, not only can avoid artificial marks, dialing, and overcome deficiencies such as wasting resource because of special line is special-purpose.This device also has compact conformation, easy for installation, simple to operate, fault tolerance than advantages such as height, has practical reference value preferably.

Below, will be in conjunction with the accompanying drawings and embodiments, the utility model is further described:

Fig. 1 is an overall structure block diagram of the present utility model

Fig. 2 is the architecture of microprocessor block diagram

Fig. 3 is the fault detector block diagram of input interface

Fig. 4 is the structured flowchart of output interface

Fig. 5 is telephone signal and state detector block diagram

Fig. 6 is the elevator state detector block diagram of input interface

With reference to Fig. 1～Fig. 4: the utility model comprise micro controller system 1 with by data bus D, the address bus A of this microcomputer and input interface 2 and the output interface 3 that is connected control by the I/O control line respectively.Micro controller system comprises that central process unit (CPU), memory 4, address decoder 5, phone are provided with device 6.Three I/O control line L2, L3, L4 that the P2.4～P2.7 of CPUP2 mouth draws through address decoder by address bus wherein are provided with device 6 by L4 to telephone number and control, so that CPU reads telephone number from data bus telephone number the device are set; P1.0, P1.1, T0 and four interfaces of T1 by CPU are formed I/O control line L1, with the control output interface; Four interfaces of the P1.4 of CPU, P1.5 and INT0 and INT1 are formed condition line, so as from the telephone signal that is mated and state detector read status information.The input interface of this device comprises fault detector 7, this detector by respectively with the constituting of elevator to layer, loading and enabling signal power supply bonded assembly photoelectric coupling circuit D1, D2, D3 and latch 8, by the time elevator the monitoring to layer signal, loading signal, enabling signal, judge whether et out of order of elevator, and the breakdown signal that records is sent into micro computer and output interface behind latch and data bus.The output interface of this device comprises automatic dial-up circuit 9 and sound-compound-circuit 10, and automatic dial-up circuit is made of electronic dial device 11, number maker end 12, transmitter 13.The speech production circuit is made of latch 14, memory 15, D/A speech production device 16, amplifier 17.Described automatic dial-up circuit is connected control by data bus D with I/O control line L1 respectively, and sound-compound-circuit is connected control by address bus A with I/O control line L2 respectively, and the mouth of two circuit is connected with local telephone TL through transmitter.On the electronic dial device of automatic dial-up circuit, be provided with a phone switch 18.The input end of this switch is connected with control line L1 and data bus respectively, and its mouth can switching be connected with the ordinary city phone with bridge railway carriage or compartment interphone respectively.

With reference to Fig. 5: telephone signal of this device and state detector 19 are located between the condition line and local telephone of micro controller system, this detector is formed in parallel by TIL117 photoelectric coupling circuit, LM567 tone decoder, 555 o'clock base integrated packages respectively, be respectively applied for ring, busy tone, the other side's state and the our state-detection of dialogue machine, whether send to differentiate breakdown signal, promptly whether phone is connected.

With reference to Fig. 1, Fig. 6: on the input interface of this device, also configurable elevator state detector 20, this detector are made up of two groups of photoelectric coupling circuit D4-D13 and the

latch

21,22 that is mated respectively; Wherein D4-D11 is connected with the floor shows signal power lead of elevator, and D12, D13 are connected with the service direction indicator signal power lead of elevator, and send into micro computer by data bus D respectively behind latch 21,22.Latch 21,22 is controlled by I/O control line L3.On the data line of this device micro controller system, one audio frequency/the digital display generator 23 that matches with this detector is arranged, this conv is connected with micro computer after voice frequency dial can being converted to digital signal, so that the administrative center active inquiry monitors the running state of elevator, promptly elevator carried out the active supervision to layer and service direction signal.

Working process of the present utility model is: micro computer constantly reads the data of fault detector the input interface by I/O control line L3 from data bus, to understand elevator running condition.After Lift out of order or having a power failure, micro computer is provided with the telephone number that reads administrative center or operating personal the device from number, by data bus telephone number is delivered to output interface, after I/O control line L1 control, dial by the Automatic Dialing Unit in the output interface.Behind the closing of the circuit, micro computer makes output interface send voice messaging to telephone wire TL by address bus and I/O control line 2.After voice finished, micro computer to the control of the phone switch in the output interface, made telephone wire connect bridge railway carriage or compartment interphone by data bus and I/O control line L1, and operating personal can directly be conversed with the bridge railway carriage or compartment.After the Automatic Dialing Unit dialing in above-mentioned output interface, can also detect the signal on the telephone wire TL by state detector, and telephone signal sent into micro computer by condition line, if micro computer will repeat dialing and detect two working processs after detecting busy-back signal, be switched on up to detecting phone.Whether conversation back micro computer can also detect on the telephone wire busy tone whether occurs by telephone signal and state detector, finish so that judge administrative center and the conversation of bridge railway carriage or compartment.Behind end of conversation, micro computer makes output interface cut off being connected of bridge railway carriage or compartment interphone and telephone wire, thereby finishes whole alarm operation process by data bus and I/O control line L1.

The central processor CPU of this device can adopt MCS-51 type micro controller system; Automatic dial-up circuit is made of the compatible signaling circuit of UM91210 audio frequency/pulse and CD221004 * 4 switch integrated circuits; Speech production is made up of DAC0832 mould/number conversion integrated package and EPROM memory; Number is provided with device and adopts the micro-switch group; Audio frequency/quanxtizer adopts MT8870; Latch in fault detector and the elevator state detector selects for use the 74LS3738 road to latch integrated package, and the phone switch is selected 4100 relays for use; Ring in telephone signal and the state detector detects uses the TIL117 photoelectric coupling circuit; Busy tone detects uses the LM567 tone decoder; The other side's state-detection with 555 o'clock the base integrated package; We's state-detection TIL117 photoelectric coupling circuit.

Claims

1, a kind of elevator faults autoalarm, comprise that micro controller system (1) and address bus A, data bus D, I/O control line L1, L2, the L3 by this micro controller system are connected the input interface (2) and the output interface (3) of control respectively, it is characterized in that described output interface have with data bus D, I/O control line L1 bonded assembly automatic dial-up circuit (9) and with address bus A, I/0 control line L2 bonded assembly sound-compound-circuit (10), the mouth of this automatic dial-up circuit and sound-compound-circuit through transmitter (13) be connected in order to the local telephone TL that transmits breakdown signal.

2, a kind of elevator faults autoalarm as claimed in claim 1 is characterized in that being provided with the phone switch (18) that can switch and be communicated with bridge railway carriage or compartment interphone and ordinary city phone respectively on the electronic dial device (11) of described automatic dial-up circuit.

3, a kind of elevator faults autoalarm as claimed in claim 1 is characterized in that the condition line of described micro controller system is provided with and telephone signal and the state detector (19) of local telephone TL bonded assembly in order to detection telephone signal state.

4, a kind of elevator faults autoalarm as claimed in claim 1, it is characterized in that on the data line of described micro controller system, be provided with the audio frequency/digital display generator (23) that can convert the voice frequency dial signal to digital signal with local telephone TL bonded assembly, this conv is connected cooperation through data bus with the elevator state detector (20) of input interface.