CN212516088U

CN212516088U - Safety detection device of fire smoke alarm

Info

Publication number: CN212516088U
Application number: CN202021787182.9U
Authority: CN
Inventors: 王静; 何玲玲; 李想
Original assignee: ANHUI PROVINCE PRODUCT QUALITY SUPERVISION AND INSPECTION INSTITUTE
Current assignee: ANHUI PROVINCE PRODUCT QUALITY SUPERVISION AND INSPECTION INSTITUTE
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-02-09
Anticipated expiration: 2030-08-24

Abstract

A safety detection device of a fire smoke alarm comprises a detection box body, wherein the detection box body comprises a smoke generating chamber, a detection chamber, a discharge flue, a return flue, a filter chamber and a control box, the filter chamber is positioned on the left side of the detection box body, the control box is positioned on the right side of the detection box body, a multi-stage filter is arranged in the filter chamber, a vertical return flue is arranged between the filter chamber and the detection chamber, one side of the upper end of the return flue is communicated with a discharge flue valve, one side of the middle end of the return flue is communicated with a detection chamber valve, one side of the lower end of the return flue is communicated with a multi-stage filter valve, an operation panel is arranged on the outer surface of the control box, the control box is electrically connected with a smoke generator, the valve and a smoke concentration sensor, fire smoke is simulated through the smoke generator, the smoke alarm acts and responds when smoke enters the detection chamber, and the tail gas is filtered and discharged by the filter chamber, so that the tail gas after detection cannot cause harm to detection personnel or environment.

Description

Safety detection device of fire smoke alarm

Technical Field

The utility model belongs to the technical field of detecting instrument, especially, relate to a fire smoke alarm's safety inspection device.

Background

Along with the development of productivity, the urban construction tends to be more perfect, in recent years, fire safety accidents frequently occur, public places such as hotels, restaurants, office buildings and the like are more places where people come in and go out at high frequency in daily life, in order to improve the fire safety of the places, the public places such as the hotels, the restaurants, the office buildings and the like are provided with fire safety devices, generally, fire automatic alarm systems, wherein smoke alarms and temperature sensing alarms are one of common fire detectors, in order to ensure the safety of life and property, the reliability of the smoke alarms is particularly important, and before delivery and installation and use, the smoke alarms are detected by professionals.

In order to detect the performance reliability of the smoke alarm, a simulated smoke test is generally adopted, fire smoke usually contains a large amount of toxic and harmful substances, in the manual detection process, a certain suction risk exists in detection personnel, the simulated smoke is easy to leak, and the emission of the smoke after the simulated detection has certain pollution to the air environment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just not enough to prior art exists provides a fire smoke alarm's safety inspection device.

In order to solve the above problems, the utility model adopts the following technical proposal:

a safety detection device of a fire smoke alarm comprises a detection box body, wherein the detection box body comprises a smoke generating chamber, a detection chamber, a discharge flue, a return flue, a filter chamber and a control box, the smoke generating chamber is positioned at the bottom of the middle side of the detection box body, a smoke generator is arranged in the smoke generating chamber, a top plate of the smoke generating chamber is a uniform smoke plate with uniform grooves, the detection chamber is positioned above the smoke generating chamber and communicated with the smoke generating chamber, a plurality of layers of net plates are arranged in the detection chamber, smoke concentration sensors are uniformly arranged in the detection chamber and on the net plates, the discharge flue is positioned above the detection chamber and communicated with a top valve of the detection chamber, the filter chamber is positioned at the left side of the detection box body, the control box is positioned at the right side of the detection box body, a multi-stage filter is arranged in the filter chamber, a vertical return flue is arranged between the filter chamber and the detection chamber, one side of the upper, the outer surface of the control box is provided with a control panel, the control box is electrically connected with the smoke generator, the valve and the smoke concentration sensor, and other joints among the box chambers are sealed.

Further, the bottom plate of the detection chamber is a uniform smoke plate with a groove formed in a transverse line, and a smoke storage chamber is formed between the top of the smoke generation chamber and the uniform smoke plate at the bottom of the detection chamber.

Furthermore, an exhaust fan is arranged inside the communicated part of the discharge flue and the return flue, and an arc guide plate is arranged at the upper end of the return flue.

Furthermore, the top of the filter chamber is provided with a tail gas discharge valve which is communicated with an electromagnetic valve on one side of the top of the return flue, and the discharge valve and the electromagnetic valve are respectively and electrically connected with the control box.

Furthermore, the control box is connected with the smoke alarm to be detected in the detection room in a wireless transmission mode.

Compared with the prior art, the utility model discloses an implement the effect as follows:

a fire smoke alarm's safety inspection device, will wait to detect smoke alarm and put into the detection room, take place through smoke generator simulation conflagration smog, smoke alarm action response when getting into the detection room and reaching action concentration, detection data does not receive the external factor to disturb, more accurate, smog passes through discharge flue and return flue, realizes the cyclic utilization of smog to filter the emission through the filter chamber, detect back tail gas and can not cause the injury or cause the pollution to the environment to detection personnel.

Drawings

Fig. 1 is a schematic structural view of a safety detection device of a fire smoke alarm of the present invention.

Detailed Description

The present invention will be described with reference to specific embodiments.

As shown in figure 1, the fire smoke alarm safety detection device comprises a detection box body 1, wherein the detection box body 1 comprises a smoke generating chamber 2, a detection chamber 3, a discharge flue 4, a return flue 5, a filter chamber 6 and a control box 7, the smoke generating chamber 2 is arranged at the bottom of the middle side of the detection box body 1, a smoke generator 8 is arranged in the smoke generating chamber 2, the top plate of the smoke generating chamber 2 is a uniformly slotted smoke homogenizing plate 9, the detection chamber 3 is arranged above the smoke generating chamber 2 and is communicated with the smoke generating chamber 2, a screen plate 10 is arranged in the detection chamber 3, smoke concentration sensors 11 are uniformly arranged in the detection chamber 3 and on the screen plate 10, the discharge flue 4 is arranged above the detection chamber 3 and is communicated with a valve at the top of the detection chamber 3, the filter chamber 6 is arranged at the left side of the detection box body 1, the control box 7 is arranged at the right side of the detection box body 1, a multi-stage filter 12 is arranged in the filtering chamber 6, a vertical return flue 5 is arranged between the filtering chamber 6 and the detecting chamber 3, one side of the upper end of the return flue 5 is communicated with a valve of a discharge flue 4, one side of the middle end is communicated with a valve of the detecting chamber 3, one side of the lower end is communicated with a valve of the multi-stage filter 12, an operation panel 13 is arranged on the outer surface of the control box 7, the control box 7 is electrically connected with a smoke generator 8, the valve and a smoke concentration sensor 11, other joints among the chambers are sealed, the smoke generator 8 works to generate smoke, the smoke enters the detecting chamber 3 through the smoke generating chamber 2 and is accumulated, whether a smoke alarm operates or not is observed through the operation panel 13 after the detected concentration is reached, the operation panel 13 controls the valves of the discharge flue 4 and the return flue 5 to open and close, so that the smoke circularly flows into the detecting chamber, the operation is convenient, safe and reliable, and the harm of smoke to detection personnel and environment in the detection process is effectively avoided.

The bottom plate of the detection chamber 3 is an equal smoke plate 9 with a grooved transverse line, a smoke storage chamber is formed between the top of the smoke storage chamber 2 and the equal smoke plate 9 at the bottom of the detection chamber 3, smoke generated by the smoke generator 8 is accumulated in the smoke storage chamber, and can uniformly enter the detection chamber 3 after passing through the equal smoke plate 9, so that detection of a smoke alarm to be detected in the detection chamber 3 is facilitated.

An exhaust fan 14 is arranged in the communicated part of the discharge flue and the return flue 5, smoke in the device after detection can be quickly discharged into the return flue 5 through the exhaust fan 14, an arc guide plate 15 is arranged at the upper end of the return flue 5, and the smoke can quickly enter the return flue 5 and the filter chamber 6 after passing through the guide plate 15.

The top of the filtering chamber 6 is provided with a tail gas discharge valve 16 which is communicated with an electromagnetic valve on one side of the top of the return flue 5, the tail gas discharge valve 16 and the electromagnetic valve are respectively and electrically connected with the control box 7, the filtered tail gas is discharged through the tail gas discharge valve 16 after being qualified, and if the filtered tail gas is unqualified, the filtered tail gas enters the return flue 5 through the electromagnetic valve to be filtered again, so that the pollution-free discharge of the tail gas is further ensured.

The control box 7 is in wireless transmission connection with the smoke alarm to be detected in the detection chamber 3, so that the action response condition of the smoke alarm can be observed visually through the control panel 13 on the control box 7.

To sum up, the safety detection device of fire smoke alarm, to wait to detect smoke alarm and put into detection room 3, take place through smoke generator 8 simulation fire smoke, smoke alarm action response when smog gets into detection room 3 and reaches action concentration, and detection data does not receive external factor interference, and is more accurate, and smog passes through discharge flue 4 and return flue 5, realizes the cyclic utilization of smog to filter the emission through filter chamber 6, detect the back tail gas and can not cause the injury or cause the pollution to the environment to detection personnel.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A safety detection device of a fire smoke alarm is characterized in that: the device comprises a detection box body, the detection box body comprises a smoke generating chamber, a detection chamber, a discharge flue, a return flue, a filter chamber and a control box, the smoke generating chamber is positioned at the bottom of the middle side of the detection box body, a smoke generator is arranged in the smoke generating chamber, a top plate of the smoke generating chamber is a uniform smoke plate with uniform grooves, the detection chamber is positioned above the smoke generating chamber and communicated with the smoke generating chamber, a plurality of layers of net plates are arranged in the detection chamber, smoke concentration sensors are uniformly arranged in the detection chamber and on the net plates, the discharge flue is positioned above the detection chamber and communicated with a valve at the top of the detection chamber, the filter chamber is positioned at the left side of the detection box body, the control box is positioned at the right side of the detection box body, a multi-stage filter is arranged in the filter chamber, a vertical return flue is arranged between the filter chamber and the detection chamber, one side of the upper end of the, the control box is electrically connected with the smoke generator, the valve and the smoke concentration sensor, and other joints among the box chambers are sealed.

2. The safety detection device of a fire smoke alarm device according to claim 1, wherein the bottom plate of the detection chamber is a smoke homogenizing plate with a groove in a transverse line, and a smoke storage chamber is formed between the smoke homogenizing plate at the top of the smoke generation chamber and the smoke homogenizing plate at the bottom of the detection chamber.

3. A fire smoke alarm safety detection device as claimed in claim 1 wherein an exhaust fan is provided inside the communication between the discharge flue and the return flue, and an arc guide plate is provided at the upper end of the return flue.

4. A fire smoke alarm safety detection device as claimed in claim 1 wherein the top of the filtration chamber is provided with a tail gas exhaust valve and is connected to a solenoid valve on the top of the return flue, the exhaust valve and the solenoid valve are electrically connected to the control box respectively.

5. The safety detection device for the smoke alarm for the fire disaster as claimed in claim 1, wherein the control box is in wireless transmission connection with the smoke alarm to be detected in the detection chamber.