CN206906345U - A kind of aspirating smoke detector - Google Patents

Abstract

The utility model discloses a kind of aspirating smoke detector, including ventilation unit and detection device, the detection device is arranged on ventilation unit lower end, inflaming retarding shell is provided with the outside of the detection device, the detection device upper center is provided with motor, the motor bottom is provided with Smoke Sensor and toxic gas sensor, the Smoke Sensor is located on the left of toxic gas sensor, the motor lower end is provided with fly net, and fly net is connected laterally inside detection device, upper end is provided with processor in the middle part of the fly net.The utility model in the upside of detection device by being provided with a ventilation unit, when equipment provides detection service, processing can be aerated to interior simultaneously, and it can be used cooperatively with more convenient with air breathing type detection device, the equipment can detect toxic gas when smog detect simultaneously, and can automatic alarm, prompting people pay attention to, it is more practical, it is adapted to be widely popularized and uses.

Description

An aspirating smoke detector

【Technical field】

The utility model relates to a detector, in particular to an aspirating smoke detector.

【Background technique】

At present, smoke detectors, also known as smoke fire detectors, smoke detectors, smoke detectors, smoke probes and smoke sensors, are mainly used in fire protection systems and are also used in the construction of security systems. It is a typical equipment converted from space fire-fighting measures to civilian use. The aspirating smoke detector can actively detect smoke. The traditional aspirating smoke detector needs to be driven by a motor to inhale or compressed by an air pump. Inhalation cannot achieve multi-functional purposes, and a lot of energy will be wasted when working for a long time. Therefore, we propose an aspirating smoke detector.

【Content of utility model】

The main purpose of this utility model is to provide an air-breathing smoke detector. By installing a ventilation device on the upper side of the detection device, when the equipment provides detection services, the indoor ventilation can be performed at the same time, and it can be more In order to be conveniently used in conjunction with the aspirating detector, and at the same time, the device can detect toxic gas when detecting smoke, and can automatically alarm to remind people to pay attention. question.

In order to achieve the above object, the technical scheme that the utility model takes is:

An aspirating smoke detector, comprising a ventilation device and a detection device, the detection device is installed at the lower end of the ventilation device, a flame-retardant casing is provided on the outside of the detection device, and a drive motor is provided in the middle of the upper end of the detection device. A smoke sensor and a toxic gas sensor are installed at the bottom of the driving motor, the smoke sensor is located on the left side of the toxic gas sensor, the lower end of the driving motor is provided with an insect-proof net, and the insect-proof net is connected horizontally inside the detection device, and the middle part of the insect-proof net A processor is installed on the upper end, an alarm is installed on the upper end of the bottom of the flame retardant shell, and both sides of the alarm are provided with air inlet plates, an alarm horn is set at the bottom center of the flame retardant shell, and an alarm horn is set on the right side of the alarm horn. There is a work light, and an alarm light is installed at the lower end of the alarm horn.

Further, both sides of the ventilation device are provided with installation plates, and the installation boards are provided with installation grooves, the upper end of the ventilation device is a vent, and the lower end of the right side of the ventilation device is provided with a wiring hole.

Further, fan blades are installed on the rotating shaft of the driving motor, the fan blades are located in the ventilation device, and ventilation nets are provided on both sides of the driving motor.

Further, the signal output terminals of the smoke sensor and the toxic gas sensor are connected to the signal input terminals of the processor, and the signal output terminals of the processor are connected to the signal input terminals of the alarm horn and the alarm lamp.

Further, the model of the smoke sensor is HCHX-301M, the model of the toxic gas sensor is CO/CF-200, and the model of the processor is SM8952AC25PP.

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

1. In the air-breathing smoke detector of the present utility model, a ventilation device is arranged on the upper side of the detection device. When the equipment provides detection services, it can simultaneously ventilate the room, and it can be more conveniently connected with the air-breathing smoke detector. used in conjunction with detectors.

2. The aspirating smoke detector of the present invention can detect toxic gas when detecting smoke, and can automatically alarm to remind people to pay attention.

3. The shell of the air-breathing smoke detector of the present invention is made of flame-retardant material, which can prevent the detector from being burned. The bottom of the shell is provided with a working light, so that the working status of the equipment can be clearly observed, so as to find out the fault in time and solve the problem. deal with.

4. In the air-breathing smoke detector of the present invention, an insect-proof net is installed inside the detection device, which can avoid inhaling mosquitoes from affecting the use effect of the detector.

【Description of drawings】

Fig. 1 is the overall structural schematic diagram of the aspirating smoke detector of the present invention;

Fig. 2 is a schematic diagram of the bottom structure of the shell of the aspirating smoke detector of the present invention.

In the figure: 1. Ventilation device; 2. Detection device; 3. Mounting plate; 4. Mounting groove; 5. Ventilation net; 6. Flame-retardant shell; 7. Smoke sensor; 10. Alarm; 11. Toxic gas sensor; 12. Insect net; 13. Driving motor; 14. Fan blade; 15. Wiring hole; 16. Ventilation port; 17. Working light; 18. Alarm horn; 19. Alarm light .

【detailed description】

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

As shown in Figure 1-2, an aspirating smoke detector includes a ventilation device 1 and a detection device 2, the detection device 2 is installed at the lower end of the ventilation device 1, and a flame-retardant casing is provided on the outside of the detection device 2 6. A driving motor 13 is provided in the middle of the upper end of the detection device 2, and a smoke sensor 7 and a toxic gas sensor 11 are installed at the bottom of the driving motor 13, the smoke sensor 7 is located on the left side of the toxic gas sensor 11, and the driving motor The lower end of 13 is provided with an insect-proof net 12, and the insect-proof net 12 is horizontally connected inside the detection device 2, a processor 9 is installed at the upper end of the middle part of the insect-proof net 12, and an alarm 10 is installed at the bottom upper end of the flame-retardant shell 6, and the alarm Both sides of the device 10 are provided with air inlet plates 8, and the center of the bottom of the flame-retardant shell 6 is provided with an alarm horn 18, and the right side of the alarm horn 18 is provided with a work light 17, and the lower end of the alarm horn 18 is equipped with an alarm lamp 19. .

Wherein, both sides of described ventilating device 1 are provided with mounting plate 3, and mounting plate 3 is provided with mounting groove 4, and described ventilating device 1 upper end is air vent 16, and described ventilating device 1 right lower end is provided with wiring Hole 15.

Wherein, a fan blade 14 is installed on the rotating shaft of the driving motor 13 , the fan blade 14 is located in the ventilation device 1 , and ventilation nets 5 are arranged on both sides of the driving motor 13 .

Wherein, the signal output terminals of the smoke sensor 7 and the toxic gas sensor 11 are connected to the signal input terminals of the processor 9 , and the signal output terminals of the processor 9 are connected to the signal input terminals of the alarm horn 18 and the alarm lamp 19 .

Wherein, the model of the smoke sensor 7 is HCHX-301M, the model of the toxic gas sensor 11 is CO/CF-200, and the model of the processor 9 is SM8952AC25PP.

Working principle: Use bolts to install the mounting plate 3 at the designated position through the mounting groove 4, and connect the wires through the wiring hole 15. When working, the driving motor 13 drives the fan blade 14 to rotate, which can form a negative pressure in the ventilation device 1, so that the indoor air passes through The air inlet plate 8 on the flame-retardant shell 6 enters the detection device 2, and the air passes through the smoke sensor 7 and the toxic gas sensor 11, enters the ventilation device 1 through the ventilation net 5 and is discharged through the vent 16, when there is smoke or toxic gas in the air , the smoke sensor 7 or the toxic gas sensor 11 will send a signal to the processor 9, and the processor 9 will transmit the alarm signal to the alarm horn 18 and the alarm lamp 19, so that the alarm horn 18 will sound an alarm, the alarm lamp 19 will flash, and the detector will During normal work, work light 17 can flicker.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. An aspirating smoke detector, comprising a ventilation device (1) and a detection device (2), is characterized in that: the detection device (2) is installed at the lower end of the ventilation device (1), and the detection device ( 2) A flame retardant shell (6) is provided on the outside, a driving motor (13) is provided in the middle of the upper end of the detection device (2), and a smoke sensor (7) and a toxic gas sensor ( 11), the smoke sensor (7) is located on the left side of the toxic gas sensor (11), the lower end of the drive motor (13) is provided with an insect-proof net (12), and the insect-proof net (12) is horizontally connected to the detection device (2) Inside, a processor (9) is installed on the upper end of the middle part of the insect-proof net (12), and an alarm (10) is installed on the bottom upper end of the flame-retardant shell (6), and both sides of the alarm (10) are equipped with inlets. The wind plate (8), the bottom center of the flame-retardant shell (6) is provided with an alarm horn (18), the right side of the alarm horn (18) is provided with a work light (17), and the lower end of the alarm horn (18) is installed There are warning lights (19). 2. The aspirating smoke detector according to claim 1, characterized in that: both sides of the ventilation device (1) are provided with a mounting plate (3), and the mounting plate (3) is provided with a mounting plate (3). Slot (4), the upper end of the ventilation device (1) is a ventilation opening (16), and the lower end of the right side of the ventilation device (1) is provided with a wiring hole (15). 3. The aspirating smoke detector according to claim 1, characterized in that: a fan blade (14) is installed on the rotating shaft of the drive motor (13), and the fan blade (14) is located in the ventilation device ( 1), ventilation nets (5) are provided on both sides of the drive motor (13). 4. The aspirating smoke detector according to claim 1, characterized in that: the signal output ends of the smoke sensor (7) and the toxic gas sensor (11) are connected to the signal input end of the processor (9) , the signal output end of the processor (9) is connected with the signal input ends of the alarm horn (18) and the alarm lamp (19). 5. The aspirating smoke detector according to claim 1, characterized in that: the model of the smoke sensor (7) is HCHX-301M, and the model of the toxic gas sensor (11) is CO/CF- 200, the model of the processor (9) is SM8952AC25PP.