CN217213876U

CN217213876U - Detection device for detecting sensitivity of fire detector

Info

Publication number: CN217213876U
Application number: CN202220900428.1U
Authority: CN
Inventors: 张磊; 金益阳
Original assignee: Sichuan Nuoan Testing Technology Co Ltd
Current assignee: Sichuan Nuoan Testing Technology Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-16
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a detection apparatus for be used for detecting fire detector sensitivity, including generator, control switch, controller, sound sensor and time-recorder, the generator can produce smog and/or rise the temperature around the fire detector, control switch with the generator electricity is connected, and can control the generator is opened and is closed, control switch the time-recorder and sound sensor all with the controller electricity is connected, the controller can control the time-recorder and start and close.

Description

Detection device for detecting sensitivity of fire detector

Technical Field

The utility model relates to a fire control detector tester technical field, concretely relates to a detection device for be used for detecting fire detector sensitivity.

Background

The fire detector is a device for detecting information such as heat and ion concentration at a fire and sending the information to the alarm device, and usually in a fire-fighting system, a tester is needed to detect whether the fire detector is sensitive and reaches the standard. At present, a smoke and temperature sensing two-in-one smoke and temperature sensing detection gun is often adopted to carry out a fire response experiment on a fire detector, an injection head of the smoke and temperature sensing gun is aligned to the fire detector, and the injection head emits smoke or temperature simulating a fire scene, so that the fire detector detects and emits a fire alarm signal. At present, most of smoke temperature guns are only used for detecting whether a fire detector fails or not, the response sensitivity of the fire detector cannot be tested, and when the fire detector has a longer response time to a fire disaster, the fire disaster situation is expanded, so that the evacuation of people in a fire place and the subsequent fire rescue are difficult.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can carry out the detection device who is used for detecting the fire detector sensitivity that tests to fire detector's reaction time.

The utility model provides a solve above-mentioned technical problem and provide a detection device for detecting fire detector sensitivity, including generator, control switch, controller, sound sensor and time-recorder, the generator can produce smog and/or rise the temperature around the fire detector, control switch with the generator electricity is connected, and can control the generator is opened and is closed, control switch the time-recorder and sound sensor all with the controller electricity is connected, the controller can control the time-recorder and start and close.

Further, the sound sensor comprises a sound recognition module, the sound recognition module is used for receiving sound data, and when the received sound data are consistent with data prestored in the sound recognition module, the controller sends a signal for stopping the timer.

Furthermore, the detection device further comprises a gun tube and a gun head arranged at one end of the gun tube, the generator is arranged in an inner cavity of the gun head, an exhaust hole communicated with the inner cavity of the gun head is further formed in the gun head, and the control switch and the timer are arranged at one end, far away from the gun head, of the gun tube.

Furthermore, the detection device further comprises a blowing device, the blowing device is electrically connected with the control switch, the blowing device is installed in the inner cavity of the gun head and located below the generator, and an air inlet is formed in the lower end of the gun head.

Further, the generator includes smoke generator and temperature generator, control switch includes smoke switch and temperature switch, smoke switch with the smoke generator electricity is connected, temperature switch with the temperature generator electricity is connected.

Further, the gun head comprises a gun head main body and an exhaust nozzle arranged on the gun head main body, the exhaust hole is formed in one end, far away from the gun head main body, of the exhaust nozzle, the smoke generator is arranged in the gun head main body, and the temperature generator is arranged in the exhaust nozzle.

Further, the temperature generator comprises an insulating tube fixed in the inner cavity of the exhaust nozzle, a second heating wire is fixed in the insulating tube, and the second heating wire is electrically connected with the temperature switch.

Further, the smoke generator comprises an oil storage pipe, the end of the oil storage pipe is provided with an atomization core, an oil filling hole is formed in the oil storage pipe, a first heating wire is arranged on the atomization core, the first heating wire is electrically connected with the smoke switch, the oil storage pipe is fixed in the inner cavity of the gun head main body through a first supporting plate, and a plurality of ventilation holes are formed in the first supporting plate.

Furthermore, the oil storage pipe is a transparent pipe, and an oil pipe observation window is arranged on the gun head main body.

Further, still include at least one extension pipe, the both ends of extension pipe respectively with the barrel reaches the rifle head can dismantle the connection.

The beneficial effects of the utility model are that as follows, the generator can produce smog and/or rise the temperature around the fire detector so that the on-the-spot high temperature of simulation conflagration and/or smog, and control switch is connected with the generator electricity and can control the generator and open or close to make the generator begin to operate and produce the gas after smog and/or the heating. The control switch, the timer and the sound sensor are electrically connected with the controller, the controller controls the timer to time when the control switch controls the generator to start, when the sound sensor senses the fire alarm sound of the fire detector, a signal is fed back to the controller, the controller controls the timer to stop timing, the time displayed on the timer is the reaction time from the starting of the generator of the detection device to the sensing of the fire alarm sound, and the shorter the reaction time is, the higher the sensitivity of the fire detector to the disaster reaction is. Adopt the utility model discloses, can be to whether there is the trouble fire detector, go back the audio-visual response sensitivity who detects fire detector of accessible time.

The invention will be further explained with reference to the drawings and the specific embodiments.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic structural view of the extension tube of the present invention;

fig. 3 is a circuit diagram of the present invention.

In the drawings: 100-gun barrel, 200-gun head, 201-exhaust nozzle, 2011-exhaust hole, 202-first support plate, 2021-vent hole, 203-oil pipe observation window, 204-gun head main body, 300-smoke generator, 301-smoke switch, 302-atomizing core, 303-oil storage pipe, 3031-oil filling hole, 304-first heating wire, 400-temperature generator, 401-temperature switch, 402-insulating pipe, 403-second heating wire, 500-blowing device, 501-air inlet hole, 600-controller, 700-sound sensor, 800-timer and 900-lengthening pipe.

Detailed Description

Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, the present invention provides an embodiment of a detection apparatus for detecting sensitivity of a fire detector.

A detection apparatus for be used for detecting fire detector sensitivity, includes generator, control switch, controller 600, sound sensor 700 and timer 800, the generator can produce smog and/or rise the temperature around the fire detector, control switch with the generator electricity is connected, and can control the generator opens and closes, control switch, timer 800 and sound sensor 700 all with controller 600 electricity is connected, controller 600 can control timer 800 and start and close. Preferably, the sound sensor 700 includes a sound recognition module, and the sound recognition module is configured to receive sound data, and when the received sound data is consistent with data pre-stored in the sound recognition module, the controller 600 sends a signal to stop the timer 800. At this time, a fire alarm sound signal of the fire detector is preset in the sound recognition module, when the sound signal received by the sound sensor 700 is compared with a fire alarm sound signal prestored in the sound recognition module, and when the sound signal is consistent with the fire alarm sound signal, the controller 600 controls the timer 800 to stop timing, so that the interference of other noises on the sound sensor 700 can be avoided, and the test result is inaccurate.

Specifically, the detection device comprises a gun barrel 100 and a gun head 200 arranged at one end of the gun barrel 100, the generator is arranged in an inner cavity of the gun head 200, an exhaust hole 2011 communicated with the inner cavity of the gun head 200 is further arranged on the gun head 200, and the exhaust hole 2011 can exhaust smoke generated by the generator or heated gas so as to simulate a high-temperature and smoke environment in a fire scene. The lance head 200 comprises a lance head main body 204 and an exhaust nozzle 201 arranged on the lance head main body 204, the exhaust hole 2011 is arranged at one end of the exhaust nozzle 201 far away from the lance head main body 204, the smoke generator 300 is arranged in the lance head main body 204, and the temperature generator 400 is arranged in the exhaust nozzle 201. At this time, the temperature generator 400 is disposed in the exhaust nozzle 201, so that heat loss can be prevented and the time for raising the ambient temperature of the fire detector can be shortened.

The temperature generator 400 includes an insulating tube 402 fixed in the inner cavity of the exhaust nozzle 201, a second heating wire 403 is fixed inside the insulating tube 402, and the second heating wire 403 is connected to the temperature switch 401 through a conducting wire. At this time, when the temperature generator 400 is activated, the second heating wire 403 generates heat, the blowing device 500 blows air, and hot air is blown out from the exhaust nozzle 201, thereby simulating a high temperature situation at a fire scene.

Wherein smoke generator 300 includes that the end has the oil storage pipe 303 of atomizing core 302, be equipped with oil filler hole 3031 on the oil storage pipe 303 and be used for injecting environment-friendly fog fragrant liquid into oil storage pipe 303, atomizing core 302 adsorbs environment-friendly fog fragrant liquid from oil storage pipe 303. The atomizing core 302 is provided with a first heating wire 304, the first heating wire 304 is connected with the smoke switch 301 through a wire, when the smoke generator 300 is started, the first heating wire 304 generates heat, so that the environment-friendly fragrant fog liquid on the atomizing core 302 is evaporated to form smoke, the oil storage pipe 303 is fixed in the inner cavity of the gun head main body 204 through a first support plate 202, and the first support plate 202 is provided with a plurality of ventilation holes 2021 so that the air flow of the blowing device 500 circulates in the gun head 200. Further, the oil storage pipe 303 is a transparent pipe, and the gun head 200 is provided with an oil pipe observation window 203. At this time, the residual capacity of the foggy incense liquid in the oil storage pipe 303 can be observed through the oil pipe observation window 203, so that the residual capacity is conveniently increased in time.

The first heating wire 304 and the second heating wire 403 are nichrome wires, which have high melting point, good heat resistance, and fast heating.

The detection device further comprises a blowing device 500, the blowing device 500 can be set to be a fan at the moment, an air inlet 501 is formed in the lower end of the gun head 200, the blowing device 500 is electrically connected with the control switch, the blowing device 500 is installed in the inner cavity of the gun head 200 and located below the generator, and when the blowing device 500 operates, smoke generated by the generator or heated gas can be blown out of the air outlet 2011 conveniently.

The barrel 100 is provided with a control switch, a controller 600, a sound sensor 700 and a timer 800, wherein the control switch and the timer 800 are located at an end far away from the gun head 200, so that an operator can operate the control switch and can observe the time displayed on the timer 800. A power source is also provided in barrel 100 to power the various units of the detection device. Specifically, the generator comprises a smoke generator 300 and a temperature generator 400, the control switch comprises a smoke switch 301 and a temperature switch 401, the smoke switch 301 is electrically connected with the smoke generator 300, the temperature switch 401 is electrically connected with the temperature generator 400, and the blowing device 500 is respectively electrically connected with the temperature switch 401 and the smoke switch 301. Preferably, the smoke switch 301 and the temperature switch 401 may be provided as push button switches. Preferably, a power source is provided in the sound sensor 700 to supply power to the sound sensor 700, the sound sensor 700 is configured to receive a fire alarm sound signal and feed the fire alarm sound signal back to the controller 600, and the controller 600 is provided in the barrel 100 to control the timer 800 to start or stop timing. At the moment, the smoke switch 301 is turned on, the smoke generator 300 and the blowing device 500 operate, and meanwhile, the controller 600 controls the timer 800 to start timing; when the sound sensor 700 senses a fire alarm sound and then feeds back the fire alarm sound to the controller 600, the controller 600 controls the timer 800 to stop timing, and the timer 800 displays timing time, which is smoke sensing response time of the fire detector, wherein the shorter the timing is, the higher the response sensitivity is. When the temperature switch 401 is turned on, the temperature generator 400 and the blowing device 500 operate, and at the same time, the controller 600 controls the timer 800 to start timing, when the sound sensor 700 senses a fire alarm sound and then feeds back the sound to the controller 600, the controller 600 controls the timer 800 to stop timing, at this time, the time displayed on the timer 800 is the temperature sensing reaction time of the fire detector, and the shorter the timing is, the higher the reaction sensitivity is.

Further, the gun head further comprises at least one elongated tube 900, and two ends of the elongated tube 900 are detachably connected with the gun barrel 100 and the gun head 200 respectively. At this time, the staff can select the proper length according to the use requirement. Specifically, the elongated tube 900 is close to one end of the gun head 200 is provided with a first probe needle of a connecting wire, one end of the gun head 200 close to the gun barrel 100 is provided with a first probe needle hole matched with the first probe needle, one end of the gun barrel 100 close to the elongated tube 900 is provided with a second probe needle of the connecting wire, and one end of the elongated tube 900 close to the gun barrel 100 is provided with a second probe needle hole matched with the second probe needle. At this moment, the probe needle is connected with the probe hole through a wire to realize electric connection, the extension tube 900 is additionally arranged between the gun barrel 100 and the gun head 200, the gun barrel 100 is still positioned below, so that a worker can conveniently operate a button on the gun barrel 100, and the worker can conveniently observe the time displayed on the timer 800.

Adopt the utility model discloses, open smog through operating personnel and open fire or temperature switch 401 and begin to carry out temperature sensing test or smoke detection test to fire detector, meanwhile controller 600 control time-recorder 800 opens the timing function, and feedback signal gives controller 600 after rethread sound sensor 700 senses conflagration alarm sound, and controller 600 control time-recorder 800 stops the timing. At the moment, whether the fire detector fails or not can be tested through the detection device, and the response time of the fire detector to smoke and temperature can be measured.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A detection device for detecting the sensitivity of a fire detector, characterized in that, includes a generator, a control switch, a controller (600), a sound sensor (700) and a timer (800), the generator can generate smoke and/or raise the temperature around the fire detector, the control switch with the generator electricity is connected, and can control the generator opens and closes, the control switch the timer (800) and the sound sensor (700) all with the controller (600) electricity is connected, the controller (600) can control the timer (800) to start and close.

2. The detecting device for detecting the sensitivity of a fire detector according to claim 1, wherein the sound sensor (700) comprises a sound recognition module for receiving sound data, and the controller (600) sends a signal for stopping the timer (800) when the received sound data is consistent with the data pre-stored in the sound recognition module.

3. The device for detecting the sensitivity of the fire detector as recited in claim 1, wherein the device further comprises a barrel (100) and a head (200) disposed at one end of the barrel (100), the generator is disposed in an inner cavity of the head (200), the head (200) is further provided with an exhaust hole (2011) communicated with the inner cavity of the head (200), and the control switch and the timer (800) are mounted at one end of the barrel (100) away from the head (200).

4. A fire detector sensitivity detection device according to claim 3, wherein the detection device further comprises a blowing device (500), the blowing device (500) is electrically connected with the control switch, the blowing device (500) is installed in the inner cavity of the gun head (200) and located below the generator, and an air inlet (501) is formed in the lower end of the gun head (200).

5. A detection arrangement for detecting sensitivity of a fire detector as claimed in claim 3, wherein the generator comprises a smoke generator (300) and a temperature generator (400), the control switch comprises a smoke switch (301) and a temperature switch (401), the smoke switch (301) being electrically connected to the smoke generator (300), the temperature switch (401) being electrically connected to the temperature generator (400).

6. The device for detecting the sensitivity of the fire detector as recited in claim 5, wherein the lance head (200) comprises a lance head main body (204) and an exhaust nozzle (201) arranged on the lance head main body (204), the exhaust hole (2011) is arranged at one end of the exhaust nozzle (201) far away from the lance head main body (204), the smoke generator (300) is arranged in the lance head main body (204), and the temperature generator (400) is arranged in the exhaust nozzle (201).

7. A fire detector sensitivity detection device according to claim 6, wherein the temperature generator (400) comprises an insulating tube (402) fixed in the inner cavity of the exhaust nozzle (201), a second heating wire (403) is fixed in the insulating tube (402), and the second heating wire (403) is electrically connected with the temperature switch (401).

8. The device for detecting the sensitivity of the fire detector as claimed in claim 6, wherein the smoke generator (300) comprises an oil storage tube (303) having an atomizing core (302) at the end, an oil filling hole (3031) is formed in the oil storage tube (303), a first heating wire (304) is arranged on the atomizing core (302), the first heating wire (304) is electrically connected with the smoke switch (301), the oil storage tube (303) is fixed in the inner cavity of the gun head body (204) through a first supporting plate (202), and a plurality of ventilation holes (2021) are formed in the first supporting plate (202).

9. A fire detector sensitivity detection device according to claim 8, wherein the oil storage tube (303) is a transparent tube, and the gun head main body (204) is provided with an oil tube observation window (203).

10. A device for detecting the sensitivity of a fire detector as claimed in claim 3, further comprising at least one elongated tube (900), wherein both ends of the elongated tube (900) are detachably connected to the barrel (100) and the lance head (200), respectively.