CN204515062U - High-power Width funtion power-off acoustooptic alarm system - Google Patents

Abstract

The utility model discloses a high-power and wide-voltage power-off sound and light alarm system, which includes a general control air switch, a voltage detection intermediate relay, a UPS power supply and an audible and visual alarm. The voltage detection intermediate relay includes a voltage detection intermediate relay coil and a voltage detection intermediate relay. To detect the normally closed contact of the intermediate relay, the input end of the UPS power supply is connected in parallel with the coil of the voltage detection intermediate relay and then connected to the system power supply in series with the main control air switch, and the output end of the UPS power supply is the same as the voltage detection intermediate relay. The closed contact and the sound and light alarm are connected in series, and the working voltage of the UPS power supply is 220±20%, and the power is not less than the power of the sound and light alarm, which has the advantages of wide working voltage range, long alarm time and loud volume.

Description

High power and wide voltage power failure sound and light alarm system

【Technical field】

The utility model relates to an alarm device capable of prompting system power failure, in particular to a high-power and wide-voltage power failure acousto-optic alarm system.

【Background technique】

At present, the power failure alarm device is generally composed of four parts: voltage detection module, logic control module, charging and power supply module, and audio module. When it is on, the alarm controls the connection between the charging power supply module and the audio module to send out an alarm signal. However, the capacity of the storage battery used in the charging and supplying module in the general power failure alarm device is small, and the power of the audio module is small, resulting in short alarm time and low volume of the power failure alarm device, and the performance is greatly reduced in a large area or noisy industrial production environment. , its narrow operating voltage range will cause false alarms or no alarms. At the same time, it has the problems of poor dustproof, waterproof, and shockproof performance. In a harsh environment, it is prone to failure or even loses the power-off alarm function.

【Content of invention】

In view of the problems of short alarm time, low alarm volume, poor three-proof performance, and narrow working voltage range of the above-mentioned power failure alarm device, the purpose of this utility model is to provide a sound and light alarm that can drive an IP65 level 50W normal alarm half It is a high-power and wide-voltage power-off sound and light alarm system that can work normally in an electricity environment where the working voltage fluctuation reaches 220V±20%.

In order to achieve the above object, the technical scheme of the utility model is as follows:

High-power and wide-voltage power failure sound and light alarm system, including general control air switch, voltage detection intermediate relay, UPS power supply and sound and light alarm, the voltage detection intermediate relay includes voltage detection intermediate relay coil and voltage detection intermediate relay normally closed contact point, the input terminal of the UPS power supply is connected in parallel with the coil of the voltage detection intermediate relay and then connected in series with the main control air switch to the system power supply, and the output terminal of the UPS power supply is the same as the normally closed contact of the voltage detection intermediate relay and the acousto-optic The alarms are connected in series, and the operating voltage of the UPS power supply is 220±20%, and the power is not less than that of the sound and light alarms.

Preferably, the above-mentioned high-power and wide-voltage power failure sound and light alarm system also includes a distribution box, a fixing groove is provided on the inner bottom plate of the distribution box, a guide rail is provided on the upper part of the back panel of the distribution box, and the UPS power supply is placed on the In the fixed groove, the general control air switch and the voltage detection intermediate relay are installed on the guide rail, and the sound and light alarm is installed outside the distribution box, and its protection level is not less than IP65.

Preferably, the guide rail is equipped with terminal blocks, and the external incoming lines and internal outgoing lines of the distribution box are connected through the terminal blocks.

Preferably, the power of the UPS power supply is more than twice the power of the sound and light alarm.

Preferably, the protection level of the sound and light alarm is above IP65, and the power is above 20W.

Compared with the prior art, the utility model has the following beneficial effects:

1. The power failure sound and light alarm system described in the utility model uses a UPS power supply with a working voltage of 220V±20% and a power not less than the power of the sound and light alarm to replace the battery in the traditional charging and power supply module, which can adapt to the situation where the voltage fluctuation range is large Working environment, and the alarm time is long and the alarm volume is loud;

2. The power-off alarm control part of the utility model is installed separately from the sound and light alarm, and the control part is placed in the distribution box to overcome the influence of bad weather on electrical components. At the same time, the sound and light alarm is selected with a protection level It is a product above IP65, which can effectively improve the dustproof, waterproof and shockproof capabilities of the entire system;

3. The external incoming wires and internal outgoing wires of the distribution box described in the utility model are all transferred through the terminal blocks, which is convenient for installation and detection;

4. The power of the UPS power supply used in the utility model is more than twice the power of the sound and light alarm, and the power of the sound and light alarm is more than 20W, which can significantly improve the reliability of the power failure sound and light alarm system.

【Description of drawings】

Fig. 1 is a schematic circuit diagram of the utility model;

Fig. 2 is a schematic diagram of the installation of the utility model embodiment.

Among them, 1-system power supply, 2-general control air switch, 3-voltage detection intermediate relay, 31-voltage detection intermediate relay coil, 32-voltage detection intermediate relay normally closed contact, 4-UPS power supply, 5-sound and light alarm Device, 6-terminal, 7-rail, 8-distribution box, 9-fixing slot.

【Detailed ways】

The utility model will be further described below in conjunction with specific embodiments, but the scope of the utility model is not limited thereto.

Example 1

As shown in Figures 1 and 2, a high-power and wide-voltage power failure sound and light alarm system includes a general control air switch 2, a voltage detection intermediate relay 3, a UPS power supply 4, a sound and light alarm 5 and a distribution box 8. The voltage detection intermediate relay 3 includes a voltage detection intermediate relay coil 31 and a voltage detection intermediate relay normally closed contact 32. The operating voltage of the UPS power supply 4 is 220 ± 20%, and the power is 40W. The sound and light alarm 5 The protection grade is IP65 and the power is 20W. In the distribution box 8, the input terminal of the UPS power supply 4 is connected in parallel with the coil 31 of the voltage detection intermediate relay and then connected in series with the main control air switch 2 to the system power supply 1, and the output terminal of the UPS power supply 4 is connected to the voltage detection intermediate relay The normally closed contact 32 and the sound and light alarm 5 outside the distribution box 8 are connected in series. There is a fixed groove 9 at the center of the inner bottom plate of the distribution box 8, and the UPS power supply 4 is placed in the fixed groove 9. A guide rail 7 is horizontally arranged on the upper part of the backboard of the distribution box 8, and its installation height should be higher than that of the UPS power supply 4. It is the highest point and is convenient for installing other components and wiring. The general control air switch 2, the voltage detection intermediate relay 3, and the terminal block 6 are all installed on the guide rail 7, and the sound and light alarm 5 is installed on the distribution box. 8. For any position where there is a prompt alarm on the outside, all the external incoming lines and internal outgoing lines of all distribution boxes 8 are transferred through the terminal 6.

When the system power supply is normal, the system power supply 1 supplies power to the UPS power supply 4 and the voltage detection intermediate relay coil 31 respectively through the main control air switch 2. After the UPS power supply 4 is powered on, its internal power supply enters the charging state, and the system power supply 1 is the UPS power supply. 4 output power supply, and after the voltage detection intermediate relay coil 31 is energized, its normally closed contact 32 is disconnected, thereby disconnecting the power supply circuit from the output end of the UPS power supply 4 to the sound and light alarm 5, and the power failure sound and light alarm system enters charging No alarm state; when the system power supply is disconnected, the UPS power supply 4 and the voltage detection intermediate relay coil 31 lose power at the same time, wherein the UPS power supply 4 enters the internal power supply discharge state after power failure, and the internal power supply supplies power to the output terminal of the UPS power supply 4, while The voltage detection intermediate relay coil 31 is de-energized so that the normally closed contact 32 returns to the closed state, thereby connecting the circuit that the output terminal of the UPS power supply 4 supplies power to the audible and visual alarm 5, and the audible and visual alarm 5 is energized to send an audible and visual alarm signal, and enters Power-off alarm state, so as to achieve the purpose of power-off alarm.

The above are only preferred specific embodiments of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any equivalent replacement or change of the technical solutions and concepts of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. high-power Width funtion power-off acoustooptic alarm system, it is characterized in that, comprise overhead control air switch, voltage detecting auxiliary reclay, ups power and audible-visual annunciator, described voltage detecting auxiliary reclay comprises voltage detecting auxiliary reclay coil and voltage detecting auxiliary reclay normally closed contact, the input end of described ups power accesses system power supply with connecting with overhead control air switch after voltage detecting auxiliary reclay coils from parallel connection of coils again, the output terminal of described ups power is connected in series with voltage detecting auxiliary reclay normally closed contact and audible-visual annunciator, and the operating voltage of described ups power is 220 ± 20%, power is not less than the power of described audible-visual annunciator.

2. high-power Width funtion power-off acoustooptic alarm system according to claim 1, it is characterized in that, also comprise panel box, described panel box internal backplane is provided with pickup groove, described panel box backboard top is provided with guide rail, and described ups power is placed in described pickup groove, and described overhead control air switch and voltage detecting auxiliary reclay are arranged on described guide rail, it is outside that described audible-visual annunciator is arranged on described panel box, and its degree of protection is not less than IP65.

3. high-power Width funtion power-off acoustooptic alarm system according to claim 2, is characterized in that, described guide rail is equipped with connection terminal, and the outside inlet wire of described panel box and inner outlet are all transferred by connection terminal.

4. the high-power Width funtion power-off acoustooptic alarm system according to any one of claim 1-3, is characterized in that, the power of described ups power is more than 2 times of described audible-visual annunciator power.

5. the high-power Width funtion power-off acoustooptic alarm system according to any one of claim 1-3, it is characterized in that, the power of described audible-visual annunciator is more than 20W.