The Elevator Flash Alarm developed by our company is used for sound and light alarm in elevator emergency situations. The device mainly generates PWM signal through the single chip microcomputer to control the piezoelectric ceramic buzzer and LED lamp to carry out sound and light alarm according to the requirements. This product has the advantages of stable performance, easy installation and high cost performance.

Product overview

The flash alarm developed by Foreground Photoelectric Technology Co., Ltd. is used for sound and light alarm in elevator emergency situations. The device mainly generates PWM signal through the single chip microcomputer to control the piezoelectric ceramic buzzer and LED lamp to carry out sound and light alarm according to the requirements. This product has the advantages of stable performance, easy installation and high cost performance.

This product meets the technical requirements of the national standard GB 7588.1-201x:5.12.8.3g flash alarm.

System features

(1) Sound and light alarm will be given when electrified.

(2) The single-chip microcomputer is used to drive the sound and light alarm function, and the alarm mode can be flexibly customized.

(3) The product meets the relevant national technical standards and has stable performance.

(4) Wear-resistant, rain-proof and dust-proof, anti-drop and pressure-resistant, and can withstand harsh working environments.

(5) high decibel, high light, long life design.

Main Annex

Each set of flash alarm contains accessories including:

One flash alarm (including body, lead and connector), 2 mounting bases, 2 self-tapping screws, 2 M3 mounting screws, 2 gaskets and 2 bolts (the installation method can be customized according to customer requirements).

New requirements

During the maintenance operation, the audible signal on the car and the flashing light on the bottom of the car work to warn the elevator maintenance work;

Technical parameters

(1) General structure and appearance quality

The color of the shell is transparent, the surface of the product is clean, there is no rust, no cracks or other mechanical damage;

The overall dimensions and installation dimensions shall meet the requirements of the drawings;

Protection class IP23.

(2) Conditions of use

Storage temperature:-15 ℃∽ 60 ℃;

Working temperature:-15 ℃∽ 50 ℃;

Working humidity: ≤ 95% (non-condensing);

Not exceeding 1000 metres above sea level;

The relative humidity of the air at the operation site shall not exceed 50% at the maximum temperature of +40°C, and may have higher relative humidity at lower temperature. The monthly average minimum temperature of the wettest month shall not exceed +25°C, and the monthly average maximum relative humidity of the month shall not exceed 90%;

Ambient air should not contain corrosive and flammable gases.

(3) Input conditions

Rated voltage: DC24V + 20% -30%;

Rated current:<100mA;

Starting impulse current ≤ 400mA 200us.

(4) Warning light

Light type: red, white, yellow three 0.5wLED;

Light-emitting mode: flashing, red (2Hz ± 10%), white (1Hz ± 10%), yellow (2Hz ± 10%);

Peak illumination:>4Lux (distance 1m).

(5) Warning sound

Sound and vibration frequency: 1Hz ± 10%(2.1kHz ± 10%,3kHz ± 10% carrier frequency alternating output);

Luminous mode: alternating intermittent;

Loudness peak value: ≥ 65dB (voltage 0.7E ∽ 1.2E,E = DC24V, distance 1m).

(6) Installation accessories

Bolted and shipped with this device. The installation method can be customized according to customer needs. The following is the installation method before this item:2 bases, 2 self-tapping screws, 2 large washers, 2 M3 screws, 2 gaskets and 2 bolts.

(7) Lead wire:AVVR2 × 0.12mm ²,2000 ± 30mm 。

(8) Service life:7 years

Appearance size

Fig. 1 Appearance of Alarm

Fig. 2 Overall Dimension of Alarm

(1) Interface specification

(2) Terminal Description

Interface Description Table

Installation Instructions

(1) Fix the 1# mounting base to the mounting platform with matching self-tapping screws.

(2) Use matching M3 screws to fix the product on the 2# mounting base.

(3) Tighten the two bases to complete the product fixation.

(4) Insert the plug into the corresponding terminal.

Precautions and maintenance

Use the flash alarm, please follow the following precautions and as a reference, in order to reduce the use of the process of failure and maintenance work.

(1) Please use the matching power supply and install this product according to relevant specifications.

(2) Please use this product in the working environment allowed by the product.

(3) If the product fails, it cannot be disassembled and repaired by itself.