CN116832386A

CN116832386A - Fire extinguisher trainer

Info

Publication number: CN116832386A
Application number: CN202310820661.8A
Authority: CN
Inventors: 梁强; 徐晖; 孙楠楠; 高子杰; 张松; 周继强
Original assignee: Chinese People's Police University International Law Enforcement Cooperation College Of Ministry Of Public Security Chinese Peacekeeping Police Training Center
Current assignee: Chinese People's Police University International Law Enforcement Cooperation College Of Ministry Of Public Security Chinese Peacekeeping Police Training Center
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2023-10-03

Abstract

The invention discloses a fire extinguisher training device, which relates to the technical field of fire extinguishing training teaching equipment and comprises a fire extinguisher simulation mechanism and a flame simulation mechanism; the fire extinguisher simulation mechanism comprises a cylinder, a handle and an air injection hose, wherein an air flow channel is arranged in the cylinder, a first fan is arranged at the air inlet end of the air flow channel, and the air outlet end of the air flow channel is communicated with the air injection hose; the handle comprises a carrying handle fixed at the top of the cylinder body, a pressing handle hinged with the carrying handle and a safety pin which can prevent the pressing handle from rotating and being pluggable, the pressing handle is connected with a switch of the first fan, and the switch is conducted when the pressing handle is pressed down; the flame simulating mechanism comprises a flame simulator and an air quantity sensing part, and the flame simulator stops the flame simulating process after the air quantity sensing part detects that the air flow strength reaches a set value; therefore, the invention can enable operators to be familiar with and practice the key action flow of lifting, pulling, holding and pressing the actual fire extinguisher and aiming at the flame root to extinguish the fire, and deepen the understanding of the operators on the fire extinguishing process.

Description

Fire extinguisher trainer

Technical Field

The invention relates to the technical field of fire extinguishing training teaching equipment, in particular to a fire extinguisher training device.

Background

The fire extinguisher is the most basic important fire-fighting equipment for extinguishing the initial fire at the beginning of the development of the fire, and is very effective fire-fighting emergency equipment. The fire extinguisher is correctly operated, so that the fire disaster can be rapidly and effectively extinguished, and the fire disaster loss is reduced to the maximum extent. Fire extinguisher is the most commonly used equipment in fire control propaganda and exercise, but because scene sets up and cost problem in the application process, often take professional's fire extinguisher demonstration as the main part, unable recurrent tissue training can't reach the demand of personnel's operation, repeated operation. Under emergency conditions of sudden fire, as few daily practical exercises are required, the fire extinguisher cannot be correctly operated, so that the fire cannot be controlled in the initial stage of the fire, and finally larger casualties and property loss are caused.

In order to improve the popularity of fire extinguisher use and the regular practical training, a teaching tool for simulating the fire extinguisher gradually appears in the prior art. In the patent of application number 202110949947.7, named as a ribbon type fire-fighting exercise simulation device, the device comprises a simulated fire disaster generator and a simulated fire extinguisher, wherein the simulated fire disaster generator and the simulated fire extinguisher are respectively provided with a condition linkage device, a fire-extinguishing simulation experiment is realized by triggering the condition linkage device between the simulated fire disaster generator and the simulated fire extinguisher, and the fire-extinguishing simulation experiment is realized by arranging indication lamps at each operation part, judging whether the operation is proper or not through the display of the indication lamps, and judging whether the next operation step can be carried out or not. The invention patent with the application number of 201120526108.6 and the name of fire extinguisher simulation teaching device consists of a simulated fire extinguisher tank for transmitting ultrasonic waves to replace fire extinguishing agent and a simulated fire source for receiving the ultrasonic waves to extinguish, wherein an ultrasonic ranging module arranged on the simulated fire extinguisher tank controls the ultrasonic waves to be transmitted through a main control unit, and the ultrasonic ranging module in the simulated fire source controls whether a blower of the simulated fire extinguisher tank stops blowing red silk symbolized flame according to whether the spraying distance and other operation requirements set by control software meet the requirements after receiving the ultrasonic waves, so as to realize fire extinguishment and timely prompt the operator of the correctness of the operation. The technical scheme is that whether the operation is proper or not is judged through the sensor or the indicator lamp, the training result is not visual, the experience of a trainer is poor, and the key step of fire extinguishment is difficult to master.

Disclosure of Invention

The invention aims to provide a fire extinguisher training device, which solves the problems in the prior art, can enable operators to be familiar with and practice the key action flow of lifting, pulling, holding and pressing a real fire extinguisher and aiming at the root of a flame to extinguish the fire, and deepens the understanding of the operators on the fire extinguishing process.

In order to achieve the above object, the present invention provides the following solutions: the invention provides a fire extinguisher training device, which comprises a fire extinguisher simulation mechanism and a flame simulation mechanism; the fire extinguisher simulation mechanism comprises a barrel, a handle and an air injection hose, wherein the handle and the air injection hose are arranged at the top of the barrel, an air flow channel is arranged in the barrel, a first fan is arranged at the air inlet end of the air flow channel, and the air outlet end of the air flow channel is communicated with the air injection hose; the handle comprises a lifting handle fixed at the top of the cylinder body, a pressing handle hinged with the lifting handle and a safety pin capable of preventing the pressing handle from rotating and being pluggable, the pressing handle is connected with a switch of the first fan, and the switch is conducted when the pressing handle is pressed down; the flame simulating mechanism comprises a flame simulator and an air quantity sensing part which is arranged at the bottom of the flame simulator and used for measuring the jet air flow intensity of the jet hose, and the air quantity sensing part stops the flame simulating process after measuring the air flow intensity to reach a set value.

Preferably, a first battery pack for supplying power to the first fan is further arranged in the cylinder.

Preferably, the bottom of the cylinder is provided with a hollow structure communicated with the airflow channel.

Preferably, the upper part of the air flow channel is tapered with gradually reduced diameter along the air flow direction, and the exhaust valve is arranged at the top end of the tapered shape.

Preferably, the air flow channel is communicated with the air injection hose through an exhaust valve, and the exhaust valve is also connected with a pressure gauge for measuring the internal circulation air pressure and a safety plug for preventing the internal pressure from exceeding a set value.

Preferably, the air injection end of the air injection hose is further provided with a laser distance meter and a buzzer electrically connected with the laser distance meter, and the laser distance meter is used for measuring the distance between the laser distance meter and the flame simulant.

Preferably, the flame simulator comprises a red cloth arranged on the base and a second fan which is arranged below the red cloth and can blow the red cloth upwards.

Preferably, the air volume sensing part comprises a plurality of fans which are arranged on the base and uniformly distributed along the circumferential direction of the red cloth, and a rotation speed measuring instrument for measuring the rotation speed of the fans, wherein the fans are positioned above the air outlet of the second fans, a wind shield is arranged around the fans in the radial direction, the rotation speed measuring instrument is electrically connected with the second fans, and when any one of the fans monitored by the rotation speed measuring instrument reaches a set rotation speed, the second fans are powered off.

Preferably, the base is provided with a second battery pack electrically connected with the fan, the second fan and the rotation speed measuring instrument.

Preferably, the outer wall of the base is also provided with a fire-fighting safety education video playing panel.

Compared with the prior art, the invention has the following technical effects:

1. the fire extinguisher training device can enable operators to be familiar with and practice the key action flow of lifting, pulling, holding and pressing the real fire extinguisher and aiming at the flame root for extinguishing fire, thereby accelerating the grasp of the operation of the real fire extinguisher; meanwhile, by arranging the first fan, the flame simulant and the wind quantity sensing part, an operator can intuitively observe the process of breaking the simulated flame through own operation, and the understanding of the operator on the fire extinguishing process can be further enhanced;

2. according to the invention, by arranging the laser range finder and the buzzer, an operator can master the skill of extinguishing fire by pressing the pressing handle when the distance between the laser range finder and the fire source is proper.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a fire extinguisher training apparatus according to the present invention;

FIG. 2 is a schematic diagram of a flame simulating mechanism;

FIG. 3 is a schematic view of the structure of the handle;

wherein, 1, a cylinder; 2. a handle; 3. an air injection hose; 4. a first fan; 5. an air flow channel; 6. an exhaust valve; 7. a handle; 8. a pressing handle; 9. a safe; 10. a first battery pack; 11. a pressure gauge; 12. safety blocking; 13. a laser range finder; 14. a buzzer; 15. red cloth; 16. a second fan; 17. a base; 18. a fan; 19. a second battery pack; 20. a fire safety education video playing panel; 21. a hose interface.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1 to 3, the present embodiment provides a fire extinguisher training apparatus, including a fire extinguisher simulation mechanism and a flame simulation mechanism; the fire extinguisher simulation mechanism comprises a cylinder 1, a handle 2 and an air injection hose 3, wherein the handle 2 and the air injection hose 3 are arranged at the top of the cylinder 1, an air flow channel 5 is arranged in the cylinder 1, a first fan 4 is arranged at the air inlet end of the air flow channel 5, an exhaust valve 6 is connected to the air outlet end, and the exhaust valve 6 is communicated with the air injection hose 3 through a hose connector 21; the handle 2 comprises a carrying handle 7 fixed at the top of the cylinder body 1, a pressing handle 8 hinged with the carrying handle 7 and a safety pin 9 capable of preventing the pressing handle 8 from rotating and being pluggable, the structures of the carrying handle 7, the pressing handle 8 and the safety pin 9 are the same as those of the handle 2 in the conventional fire extinguisher, wherein the pressing handle 8 is connected with a switch of the first fan 4, and the switch is closed and conducted when the pressing handle 8 is pressed down. The flame simulating mechanism comprises a flame simulating object and an air quantity sensing part which is arranged at the bottom of the flame simulating object and used for measuring the air flow intensity of the jet hose 3, and the flame simulating object stops the flame simulating process after the air quantity sensing part detects that the air flow intensity reaches a set value.

In the training process, the flame simulator simulates burning flame, an operator lifts the cylinder body 1 through the lifting handle 7, pulls out the safety pin 9 between the pressing handle 8 and the lifting handle 7, holds the air injection hose 3, enables the air injection hose 3 to be aligned to the air quantity sensing part at the bottom of the flame simulator, presses down the pressing handle 8, the switch of the first fan 4 is closed and conducted, the first fan 4 starts to rotate, and sucks external air into the air flow channel 5, and finally the air injection hose 3 is sprayed to the air quantity sensing part by air flow, when the air quantity sensing part senses that the air flow intensity reaches a set value, the flame simulator stops the flame simulation process, namely, the operator operates correctly and the fire is successfully extinguished.

Therefore, the fire extinguisher training device in the embodiment can enable operators to be familiar with and practice the key action flow of lifting, pulling, holding and pressing the actual fire extinguisher and aiming at the flame root for extinguishing fire, thereby accelerating the grasp of the actual fire extinguisher operation; meanwhile, in the embodiment, by arranging the first fan 4, the flame simulant and the wind sensing part, an operator can intuitively observe the process of breaking the simulated flame through self operation, and the understanding of the operator on the fire extinguishing process can be further enhanced.

In this embodiment, a first battery pack 10 for supplying power to the first fan 4 is further disposed in the cylinder 1.

Further, in this embodiment, the bottom of the barrel 1 is hollowed out, and the first fan 4 is also located at the bottom of the barrel 1, so that external air can be sucked into the airflow channel 5 through the hollowed-out structure. Along the air current flow direction, the upper portion of air current passageway 5 is the toper that the diameter reduces gradually, and discharge valve 6 sets up on the top of toper shape, through setting up the toper section, can improve gaseous inside pressure, improves the jet velocity of self-injection hose 3, does benefit to the air quantity induction part and detects the air current.

Further, in this embodiment, the exhaust valve 6 is further connected with a pressure gauge 11 for measuring the pressure of the air flowing therein and a safety plug 12 for preventing the pressure inside from exceeding a set value.

Further, in this embodiment, the air-jet end of the air-jet hose 3 is further provided with a laser distance meter 13 and a buzzer 14 electrically connected to the laser distance meter 13, where the laser distance meter 13 is used to measure the distance between the air-jet hose and the flame simulator, and when the air-jet end of the air-jet hose 3 is not within the specified range of the flame simulator, the buzzer 14 alarms. The operator can set the alarm distance range value of the buzzer 14 before operating, and in the actual fire extinguishing process, the air injection end of the air injection hose 3 needs to be 2 m-3 m away from the flame simulator, so when the air injection end is less than 2m or more than 3m away from the flame simulator, the buzzer 14 will alarm, and the operator needs to move the position until the buzzer 14 does not alarm any more. Therefore, in the present embodiment, by providing the laser range finder 13 and the buzzer 14, the operator can grasp the skill of extinguishing a fire by pressing the pressure handle 8 again when a proper distance from the fire source is obtained.

Further, the flame simulator in this embodiment includes a red cloth 15 disposed on a base 17 and a second fan 16 located below the red cloth 15 and capable of blowing the red cloth 15 upward, and a scene of flame combustion is simulated by blowing the red cloth 15 using the second fan 16.

The wind quantity sensing part in the embodiment comprises a plurality of fans 18 which are arranged on the base 17 and uniformly distributed along the circumferential direction of the red cloth 15, and a rotational speed measuring instrument for measuring the rotational speed of the fans 18, wherein the fans 18 are positioned above the air outlet of the second fan 16, and a wind shield is circumferentially arranged in the radial direction of the fans 18, so that the air flow blown out by the second fan 16 is prevented from affecting the rotation of the fans 18, and the rotation of the fans 18 is ensured to be mainly caused by the air flow blown out by the air injection hose 3; the rotation speed measuring instrument is electrically connected with the second fan 16, when the rotation speed measuring instrument monitors that any fan 18 reaches a set rotation speed, a surface operator is just over against the root of the red cloth 15 for spraying for a certain time, the operation is correct, the second fan 16 is powered off, and the simulated flame falling on the red cloth 15 is extinguished.

Further, in this embodiment, the base 17 is provided with a second battery pack 19 electrically connected to the fan 18, the second fan 16, and the rotation speed measuring device. Specifically, the first battery pack 10 and the second battery pack 19 are both rechargeable lithium battery packs.

Further, in this embodiment, a fire-fighting security education video playing panel 20 is further disposed on the outer wall of the base 17.

The adaptation to the actual need is within the scope of the invention.

It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The fire extinguisher training device is characterized by comprising a fire extinguisher simulation mechanism and a flame simulation mechanism; the fire extinguisher simulation mechanism comprises a barrel, a handle and an air injection hose, wherein the handle and the air injection hose are arranged at the top of the barrel, an air flow channel is arranged in the barrel, a first fan is arranged at the air inlet end of the air flow channel, and the air outlet end of the air flow channel is communicated with the air injection hose; the handle comprises a lifting handle fixed at the top of the cylinder body, a pressing handle hinged with the lifting handle and a safety pin capable of preventing the pressing handle from rotating and being pluggable, the pressing handle is connected with a switch of the first fan, and the switch is conducted when the pressing handle is pressed down; the flame simulating mechanism comprises a flame simulator and an air quantity sensing part which is arranged at the bottom of the flame simulator and used for measuring the jet air flow intensity of the jet hose, and the air quantity sensing part stops the flame simulating process after measuring the air flow intensity to reach a set value.

2. The fire extinguisher training device according to claim 1, wherein a first battery pack for powering the first fan is further provided in the cylinder.

3. The fire extinguisher training device according to claim 1, wherein the bottom of the cylinder is provided with a hollowed-out structure in communication with the air flow channel.

4. A fire extinguisher training device according to claim 3, wherein the upper part of the air flow passage is tapered with a gradually decreasing diameter in the direction of the air flow, and the air discharge valve is provided at the top end of the tapered shape.

5. The fire extinguisher training apparatus according to claim 4, wherein the air flow passage is communicated with the air injection hose through an air discharge valve, and a pressure gauge for measuring the air pressure flowing through the air discharge valve and a safety plug for preventing the pressure inside the air discharge valve from exceeding a set value are further connected to the air discharge valve.

6. The fire extinguisher training device according to claim 1, wherein the air-jet end of the air-jet hose is further provided with a laser rangefinder for measuring a distance between the air-jet hose and the flame simulator and a buzzer electrically connected to the laser rangefinder.

7. The fire extinguisher training device according to any one of claims 1 to 6, wherein the flame simulator comprises a red cloth disposed on the base and a second fan located below the red cloth capable of blowing the red cloth upward.

8. The fire extinguisher training device according to claim 7, wherein the air volume sensing part comprises a plurality of fans which are arranged on the base and uniformly distributed along the circumferential direction of the red cloth, and a rotation speed measuring instrument for measuring the rotation speed of the fans, wherein the fans are positioned above the air outlet of the second fans, a wind shield is circumferentially arranged in the radial direction of the fans, the rotation speed measuring instrument is electrically connected with the second fans, and when any fan monitored by the rotation speed measuring instrument reaches a set rotation speed, the second fans are powered off.

9. The fire extinguisher training device according to claim 8, wherein the base is provided with a second battery pack electrically connected to the fan, the second fan, and the rotation speed measuring instrument.

10. The fire extinguisher training device according to claim 9, wherein the outer wall of the base is further provided with a fire safety education video playing panel.