CN201601728U - ENC elevator professional intercom system - Google Patents

Abstract

The utility model relates to an ENC elevator professional intercom system. In the system, an alarm device is connected with a computer through a two-core telephone line; the computer is connected with a programmed control exchange host through an RS232 line; the programmed control exchange host is connected with a plurality of filters through a waterproof telephone main cable; the filters are connected with an elevator shaft; and in the elevator shaft, a machine room branch exchange, a car top branch exchange, an inside-car branch exchange and a shaft bottom branch exchange are sequentially connected. The ENC elevator professional intercom system has the benefits of solving the problems that the conventional intercom system can not be used in emergency when power cut occurs as a 220V power supply is used in the local, and simultaneously, reduces the number of power supply devices, improves the system stability and reduces the cost.

Description

ENC elevator specialty phone system

Technical field

The utility model relates to a kind ofly realizes the system and device of elevator conversation by programme-controlled telephone system, and system has centrally connected power supply simultaneously, has the function of self check, is a kind of elevator conversation warning system that is widely used in low cost.

Background technology

Along with the fast development of China's economic construction, building auxiliary facility in all parts of the country perfect, the emergency that runs in the elevator also becomes the topic that people are concerned about, annually brings various problems all for the masses and elevator maintain and protection company.Rescued timely when the stranded lift car for making elevator passenger, prevent the generation of contingency, requirement according to standard GB 7588-2003 " elevator manufacturing and installation safety standard ", elevator should be installed the emergency alarm device, and guarantees in emergency circumstances can continue intercommunication with rescue service place (as disappear control center, Surveillance center, night shift room etc.).

At present many with and new installation elevator emergency warning device do not meet the new edition standard-required, mainly showing as new installation elevator emergency warning device needs local power supply, is in an emergency, and cannot use; Track investment cost too high (that has built up cannot excavate, and needs a terraced line, and circuit is huge); Part elevator emergency warning device in usefulness only adopts alarm bell mode etc., in case elevator takes place because of people's fault, can't report to the police, emergency management and rescue work can't in time be implemented, increased the meet accident possibility of accident of elevator, there is more serious potential safety hazard, damaged the interests of elevator applying unit.

A lot of elevators that the nearly stage takes place are because of people's fault, because the elevator emergency warning device can't operate as normal, have incured loss through delay normal rescue, have caused the strong dissatisfaction of elevator customer.

Stage is realized the elevator intercommunication now, and being that employing is wired gets in touch with wireless mode and the conversation of estate management center.

Wireless mode is the distributed wire laying mode that utilize to move, and this mode is because in the shielding of elevator and wireless self unsteadiness (investing also very big), not by the approval of elevator testing department.

Wired mode present stage is mainly taked following three kinds of modes:

1, the intercom system that the elevator Installation and Debugging that elevator company carries are used, this system is by quad (the push button signalling line of shielding, the audio signal wire of bell signal line and two transmitting-receivings) transmission, at elevator(lift) machine room, elevator cage, the intercom formation is all installed at the property center, use when mainly being the elevator Installation and Debugging, this system's extension is used the elevator emergency intercom system, have the problem of following two essence: at first because the circuit that uses is four-core shielding conductor of every elevator, not only cost is quite high, under the many situations of elevator quantity, circuit can't bear.Secondly, this system needs elevator(lift) machine room, elevator cage, property center all to want the power supply power supply, and some elevator emergency situation is exactly certain position power failure, causes emergency cannot use urgent intercom system.

2, utilize bus mode, install an extension facility additional at elevator(lift) machine room, every elevator is set an address, management host is established at the center.By the alarm keys of extension set, machine is carried at extension set and center simultaneously, realizes intercommunication.This scheme is saved a large amount of circuits than first kind of scheme, but the problem that also has extension set to power cannot thoroughly solve!

3, realize intercommunication function by telephone system, this scheme is set up the little program controlled system of a cover exactly, has not only saved a large amount of circuits, and because phone is a center feed, thoroughly solves the problem of urgent intercommunication when having a power failure.But because phone all needs the intercommunication of dialling, use inconvenience, simultaneously often by artificial destruction! There are technical problems such as elevator interference simultaneously.

Summary of the invention

According to above problem, the technical problem that the utility model solved provides a kind of novel ENC elevator specialty phone system.

To achieve these goals, the technical scheme that adopted of the utility model ENC elevator specialty intercom system is:

ENC elevator specialty phone system, this system is linked to each other by two core telephone wires with computer by alarm, computer links to each other with the programme-controlled exchange main frame by the RS232 line, the programme-controlled exchange main frame connects a plurality of filters by the total cable of waterproof phone, filter connects elevator, is linked to each other successively with the shaft bottom extension set by extension set in machine room extension set, case top extension set, the case in the described elevator.

System constructing is on widely used PSTN program-controlled exchange network platform, and this scheme extensively adopts for the countries in the world telecommunication system since 1965 always.It is safe and reliable, stable, with low cost that system has, and uses characteristics widely.

Native system mainly is made up of connection lines such as stored-program control exchange, management host, car extension set, machine room extension sets, can match the relaying box in addition, and monitoring statistical software and cable concentrator make system more perfect.

The beneficial effects of the utility model:

One, solved former system this locality and got the 220V power supply, when take place having a power failure, cannot use problem when needing urgent intercommunication, reduced power-supply device simultaneously, improved the stability of a system and reduce cost.

Two, adopt traditional pstn telephone network system, greatly reducing original system needs every elevator to lay the RVVP4*1.0 line cost, and the saving amount is greater than 80%.

Three, mounting means is more flexible, keeps the clean and tidy of lift car.Utilize tradition and stable telephone network, be not subjected to distance limit, be not subjected to restricted number, be not subjected to the weather environmental impact, simple installation.

Description of drawings

Fig. 1, principle schematic of the present utility model;

Embodiment

See also its implementation process of description of drawings: ENC elevator specialty phone system, this system is linked to each other by two core telephone wires with computer by alarm, computer links to each other with the programme-controlled exchange main frame by the RS232 line, the programme-controlled exchange main frame connects a plurality of filters by the total cable of waterproof phone, filter connects elevator, is linked to each other successively with the shaft bottom extension set by extension set in machine room extension set, case top extension set, the case in the described elevator of the corresponding a plurality of elevators (elevator 1, elevator 2, elevator 3...... elevator N) of a plurality of filters.

Native system adopts common stored-program control exchange by central host, and the transmission that can well solve voice-and-data has also guaranteed the stability of system.System generally has functions such as call waiting, transfer on no reply, resilient coding, hot line number (hot line coding) videoconference.

SPC telephone exchange is made up of hardware and software: 1. hardware.Comprise speech channel part, control section and input.Speech channel partly is used to receive and dispatch telephone signal, monitoring circuit state and finishes circuit and is connected, and mainly comprises parts such as subscriber line circuit, repeat circuit, switching network, Service Circuit (comprising digit receiver, impulse sender, ringer, ring-back tone device, connector etc.), scanner and driver.Control section is used to move various programs, deal with data and sends to drive and order, and mainly comprises processor and main storage.The man machine communication interface that provides maintenance and management required is provided input, mainly comprises parts such as external memory, keyboard, display, printer.2. software.Comprise program part and data division.Program part comprises operating system program and application program.The former is used for task scheduling, input and output control, obstacle detection and recovery processing, obstacle diagnosis, command execution control etc.; The latter is used to implement various telephone exchange incidents and state processing, hardware resource management, subscriber service class be don't bother about reason, traffic statistic, service observation, software maintenance and automatic test etc.Data division comprises system data, exchange frame rack data, office data, route data and user data.Be mainly used in sign switching system characteristics, this exchange and surrounding environment characteristics, each user's service type etc.

After adopting stored program controlled, make up several problems above also having though can finish the elevator intercom system:

For power issue, because the program controlled system circuit adopts the feed pattern, feed voltage is DC24V/48V, feed current＞20MA, and we design extension facility voltage DC20V-24V, electric current＜5MA.So just successfully solved system's powerup issue.Strong the assurance stability of a system and extensibility.

Reduced the power of extension facility equally by above way, circuit adopts the telephone wire of sectional area greater than 3MM, can transmit more than the 2KM, can utilize the telephone network system in existing building fully.Save the line cost of system greatly, telecommunication line is used in the outfield, does not have the stringing cost basically.

Because elevator is powerful motor and some machine driving, the noise of generation mainly is 50HZ and high frequency, and we install the 300HZ-3400HZ band pass filter at elevator(lift) machine room and lift car two ends at design, reduce noise of elevator and disturb.The stability of raising system and speech intelligibility.

Because the producer of elevator is a lot, same producer also has many different models, and we must satisfy multiple mounting means by the extension set of design: wall-hanging, wall-mounted (anti-riot type), embedded.

Transmission problem, system power is little, convenient wiring, and save cost, the existing resource that preferably can use the building.

Prevent interference problem,, in the elevator narrow region, disturb particularly seriously that filter and interference protection measure must be joined by system owing in the elevator heavy-duty motor is arranged.

Mounting means must be diversified, particularly needs to provide embedded mounting means.

For satisfying with upper type, we design extension set and adopt a key method of calling, when promptly needing intercommunication, press interior assignment key (embedded) of elevator or the intercommunication key on the extension set, and extension set is connected administrative center's corresponding management main frame automatically, realizes intercommunication.

Because of program controlled system has hotline service (also claiming the hot line coding) function, promptly pass through default in system: extension facility is carried machine (pressing assignment key), and system connects the management extension of setting, the function that makes things convenient for the user to manage automatically.

Native system is exactly to set to need the extension set of intercommunication to open this function in stored-program control exchange, allow the user by the call extension key after, delay time the automatic call manager main frame of the program control main frame of system, realization intercommunication function 3 seconds.System has management host simultaneously and calls out extension function.

Chip is introduced:

It is the caller identification device chip of monolithic integrated circuit that extension facility adopts HC001V2.It is not only built-in FSK, dtmf decoder, dtmf dialing device, memory, lcd driver, but also the built-in necessary signal wake-up circuit of caller identification device, be the caller identification device special chip that a slice has maximum set Cheng Du, can be widely used in stored-program control exchange and various countries' caller identification standard of various standards.

Parameter item	Representative value	Unit
			Operating voltage range	2.2～3.6	V
On-hook/off-hook quiescent current	40	μA
			Off-hook dtmf dialing operating current	600	μA
Operating current when receiving the FSK incoming call	600	μA
			Operating current when receiving the DTMF incoming call	600	μA

The pin explanation:

Number of pins	Symbol	Pattern	Explanation
				1	TONE	O	Dtmf dialing output
2	PLLC	C	The PLL circuit connects 103 electric capacity to AVSS
				3	XIN	I	The input of 32K crystal oscillator
4	XOUT	O	The output of 32K crystal oscillator
				5	VDD	P	Digital power just
6-8	NC
				9	ISET	IO	The option input
10	CIDON	O	Caller identification signal receiving course control output
				11	LDET	IO	Line voltage distribution detects input
12-19	COM7-COM0	O	Liquid crystal COM end drives output
				20	VSS	P	Digital power is negative, ground connection
21	TEST	I	The test pin, ground connection
				22-40	SEG0-SEG18	O	Liquid crystal SEG end drives output
41-45	SEG19-SEG23/C5-C1	O	Liquid crystal SEG end drives output/keyboard alignment
				46	NC
47	IR	O	The infrared data interface
				48	-RESET	I	Reset pin, low level is effective
49	R1	I	Keyboard horizontal scanning line input (drawing on the inside)
				50-54	NC
55	VSS	P	Digital power ground
				56	RING	I	The input of outside line signal
57	TIP	I	The input of outside line signal
				58	VDD	P	Analog power just

One, the function of main frame:

Main frame has various configurations to select: the 16-156 road, system increases progressively by 8 the tunnel.

● main frame has measuring ability to fault car extension set.

● main frame can be by car call extension and intercommunication.

● main frame can show the warning of machine room extension set and can carry out intercommunication.

● main frame can be realized five side's intercommunications with lift car, elevator(lift) machine room, elevator top, elevator bottom extension set.

● between main frame and car, the machine room extension set is that two core telephone wires are connected.

● specialty is positioned center, control room, lift car, elevator(lift) machine room, elevator top, elevator bottom five side's intercommunications.

● the telephone wire communication distance is far away, more than the 3KM

Two, the function of extension set:

● the car extension set has the anti-riot extension set of the metal of common extension set and embedded installation optional.

● extension set adopts the binary coding mode, can set extension number arbitrarily.

● extension set can be reported to the police and intercommunication to the control room main frame.

● extension set can and machine room extension set, main frame between realize intercommunication in many ways.

Three, system wiring requirement

3.1 all adopt one two core telephone wire between native system wiring main frame and extension set; Need not the cloth shielding conductor,

3.2 native system must need not special wiring.As with light current circuit parallel wiring the time, wire spacing is not less than 15mm.As with forceful electric power circuit parallel wiring the time, wire spacing is not less than 200mm.

3.3 native system is the AC220V except that the input voltage of institute's distribution transforming depressor, the operating voltage of all the other circuits is the safe voltage below DC40V all.

3.4 the native system wiring adopts telephone wire that main frame, car extension set, machine room extension set are connected.

Claims (1)

1.ENC elevator specialty phone system, it is characterized in that, this system is linked to each other by two core telephone wires with computer by alarm, computer links to each other with the programme-controlled exchange main frame by the RS232 line, the programme-controlled exchange main frame connects a plurality of filters by the total cable of waterproof phone, filter connects elevator, is linked to each other successively with the shaft bottom extension set by extension set in machine room extension set, case top extension set, the case in the described elevator.

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