Fire extinguishing device for unmanned mine car

Abstract

The utility model relates to the technical field of fire fighting equipment, in particular to a fire extinguishing device for an unmanned mine car, which comprises a fire extinguisher with a self-starting function, a temperature detection device, a pipeline and a plurality of sprayers, the spray head is connected with the fire extinguisher with the self-starting function through the pipeline; the plurality of nozzles are respectively aligned with a wiring harness, an oil pipe and an engine exhaust pipe area of the unmanned mine car; the temperature detection device is mounted in the areas of a wiring harness, an oil pipe and an engine exhaust pipe of the unmanned mine car and is electrically connected with the fire extinguisher with the self-starting function; when the temperature detection device detects that the temperature exceeds a preset value, a signal is fed back to the fire extinguisher with the self-starting function, the fire extinguisher with the self-starting function starts the fire extinguishing function and sprays a fire extinguishing agent outwards through the spray head, and the sprayed fire extinguishing agent immediately extinguishes the ignition part in the spray head installation area. Therefore, the purposes of extinguishing flames and controlling fire behaviors are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a fire extinguishing device for an unmanned mining vehicle. Background Art

[0002] The most difficult problem of unmanned mine cars is the fire prevention and fire extinguishing of unmanned mine cars. When designing and manufacturing unmanned mine cars, the frame wiring harness, gearbox wiring harness and other wiring harnesses, as well as steering oil pipes, lifting oil pipes, gearbox oil pipes and other oil pipes are usually fixed to the frame. However, the engine exhaust pipe of the unmanned mine car is also set close to the frame. Therefore, if the oil pipe ruptures and the oil is sprayed to the engine exhaust pipe, the engine exhaust pipe is usually in a high temperature state, which can easily cause the oil to catch fire and burn the wiring harness. If this problem cannot be solved, it will lead to an instantaneous fire in the unmanned state, causing immeasurable consequences. Utility Model Content

[0003] In view of this, the utility model provides a fire extinguishing device for an unmanned mine car, aiming to prevent fire in the unmanned mine car and reduce economic losses.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A fire extinguishing device for an unmanned mining vehicle comprises a fire extinguisher with a self-starting function, a temperature detection device, a pipeline and a plurality of nozzles; the nozzle is connected to the fire extinguisher with a self-starting function through the pipeline; the plurality of nozzles are respectively aimed at the wiring harness, oil pipe and engine exhaust pipe area of ​​the unmanned mining vehicle; the temperature detection device is installed in the wiring harness, oil pipe and engine exhaust pipe area of ​​the unmanned mining vehicle and is electrically connected to the fire extinguisher with a self-starting function; when the temperature detection device detects that the temperature exceeds a preset value, a feedback signal is given to the fire extinguisher with a self-starting function, and the fire extinguisher with a self-starting function starts the fire extinguishing function according to the feedback signal and sprays the fire extinguishing agent outward through the nozzle.

[0006] In some embodiments, the fire extinguisher with self-starting function is filled with dry powder fire extinguishing agent.

[0007] In some embodiments, the temperature detection device is a temperature sensor.

[0008] In some embodiments, the temperature detection device is a thermistor.

[0009] In some embodiments, a fixed bracket is further included; the nozzle is installed in the line, oil pipe and engine exhaust pipe area of ​​the unmanned mining vehicle through the fixed bracket.

[0010] In some embodiments, a fixed base is further included; the fire extinguisher with a self-starting function is installed on the cab platform of the unmanned mining vehicle through the fixed base.

[0011] In some embodiments, a fixed card plate is also included; the pipeline extends from the bottom of the cab platform of the unmanned mining vehicle to the wiring harness, oil pipe and engine exhaust pipe area, and a fixed card plate is installed at a certain interval on the pipeline.

[0012] In summary, compared with the prior art, the utility model has the following advantages and beneficial effects: when the oil pipe of the unmanned mining car ruptures and the high-pressure oil is sprayed into the high-temperature area of ​​the engine exhaust pipe, thereby causing a fire, the temperature detection device detects that the temperature of the area exceeds the preset value and will feedback a signal to the fire extinguisher with a self-starting function, so that the fire extinguisher with a self-starting function starts to spray the fire extinguishing agent through the pipeline and the nozzle. The sprayed fire extinguishing agent immediately extinguishes the fire part in the nozzle installation area, so as to achieve the purpose of extinguishing the flame and controlling the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure is a front structural schematic diagram of an unmanned mining vehicle equipped with the utility model.

[0014] Figure 2 The figure is a schematic diagram of the structure of the unmanned mining vehicle installed with the utility model from above.

[0015] The meanings of the numbers in the figure are: cab 1, cab platform 2, engine 3, engine exhaust pipe 4, wheel 5, frame wiring harness 6, gearbox wiring harness 7, steering oil pipe 8, lifting oil pipe 9, gearbox oil pipe 10, frame 11, fire extinguisher with self-starting function 12, fixed base 13, pipeline 14, nozzle 15, fixed bracket 16. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with specific implementation methods.

[0017] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there are descriptions of the first, second and other similar terms, they are only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0019] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0020] The embodiment of the present application is based on the research and development ideas of "5G" smart mines. Traditional mining operations require a lot of manpower and material resources, and the working environment is harsh, there is no reasonable planning, and the mining efficiency is low. Therefore, it is particularly important to combine the current 5g technology for the technical research and development of mining operations, which plays a vital role in greatly improving the efficiency and safety of mining operations. At present, the main operations of open-pit mines are "drilling, shoveling, and driving", among which unmanned mine cars are particularly important. Unmanned mine cars rely on artificial intelligence, visual computing, radar, monitoring devices and global positioning systems to work together, so that computers can automatically and safely operate motor vehicles without any human active operation. Therefore, mine cars that can drive automatically can avoid the safety threats of mining conditions to people. In mining areas, unmanned driving technology has made significant progress, and its automatic operation has improved production efficiency, reduced labor costs, and improved the safety of the working environment. The embodiment of the present application is mainly an improvement proposed for the potential fire risks in unmanned mine cars, in order to further improve the safety of unmanned mine car operation.

[0021] like Figure 1 and Figure 2 As shown, the unmanned mining vehicle generally includes a cab 1, a cab platform 2, an engine 3, an engine exhaust pipe 4, wheels 5, a frame 11, a wiring harness and an oil pipe. The wiring harness includes a frame wiring harness 6 and a gearbox wiring harness 7, and the oil pipe includes a steering oil pipe 8, a lifting oil pipe 9 and a gearbox oil pipe 10.

[0022] A fire extinguishing device for an unmanned mining vehicle described in an embodiment of the present application includes a fire extinguisher 12 with a self-starting function, a temperature detection device, a pipeline 14 and a nozzle 15.

[0023] Among them, the fire extinguisher 12 with a self-starting function has a self-starting function, does not require manual operation, and will automatically start to spray fire extinguishing agent outward after reaching the triggering condition. The fire extinguisher 12 with a self-starting function can be a dry powder fire extinguisher, which is filled with dry powder fire extinguishing agent. The dry powder fire extinguisher uses carbon dioxide gas or nitrogen gas as a power to spray the dry powder fire extinguishing agent in the bottle to extinguish the fire. The dry powder fire extinguishing agent is a dry and easy-to-flow fine powder used for fire extinguishing. It is composed of an inorganic salt with fire extinguishing efficiency and a small amount of additives that are dried, crushed, and mixed to form a fine solid powder. Since the frame wiring harness 6 and the gearbox wiring harness 7 and other wiring harnesses may be charged, the use of a dry powder fire extinguisher can avoid short circuits. The fire extinguisher 12 with the self-starting function can be a FFX-ACD2-GTC or FFX-ACD4-GTC suspended dry powder fire extinguishing device produced by China Automotive Passenger Vehicle Parts (Xiamen) Co., Ltd., or a FFX-ACD2-HT suspended dry powder fire extinguishing device produced by Haitian Fire Technology Co., Ltd., or an automatic fire extinguishing device disclosed in CN102240430B.

[0024] The fire extinguisher 12 with self-starting function can be installed on the cab platform 2 of the unmanned mining vehicle through a fixed base 13. The fixed base 13 can be a square frame made of 30mm angle steel with a width of 300mm and a length of 600mm, and the four corners are 60mm high, and are fixed to the bottom plate of the cab platform 2 and under the rear cross beam with bolts.

[0025] The nozzles 15 can be arranged in plurality and respectively aimed at the wiring harness, oil pipe and engine exhaust pipe 4 of the unmanned mining vehicle. The nozzles 15 are connected to the fire extinguisher 12 with a self-starting function through the pipeline 14. The fire extinguisher 12 with a self-starting function sprays the fire extinguishing agent through the pipeline 14 and the nozzles 15 to the wiring harness, oil pipe and engine exhaust pipe 4 of the unmanned mining vehicle, so as to extinguish the flame and control the fire.

[0026] The temperature detection device is installed in the wiring harness, oil pipe and engine exhaust pipe 4 area of ​​the unmanned mining vehicle and is electrically connected to the fire extinguisher 12 with a self-starting function. When the temperature detection device detects that the temperature exceeds a preset value, a feedback signal is given to the fire extinguisher 12 with a self-starting function. The fire extinguisher 12 with a self-starting function starts the fire extinguishing function according to the feedback signal and sprays the fire extinguishing agent outward through the nozzle 15.

[0027] When the oil pipe of the unmanned mining vehicle ruptures and high-pressure oil is sprayed into the high-temperature area of ​​the engine exhaust pipe 4, thereby causing a fire, the temperature detection device detects that the temperature of the area exceeds the preset value, for example, when the temperature reaches 175±15°C, it will feedback a signal to the fire extinguisher 12 with a self-starting function. The fire extinguisher 12 with a self-starting function starts to spray the fire extinguishing agent through the pipeline 14 and the nozzle 15 according to the feedback signal, and the sprayed fire extinguishing agent immediately extinguishes the fire in the area where the nozzle 15 is installed.

[0028] In some optional embodiments, the temperature detection device may be a temperature sensor, which refers to a sensor that can sense temperature and convert it into a usable output signal. The temperature detection device may also be a thermistor, which is a conversion device that converts temperature into an electrical signal and can be divided into two categories: active and passive. The former works on the pyroelectric effect, thermoelectric effect, and semiconductor junction effect, while the latter works on the thermal properties of resistors, which accounts for about 55% of thermistors.

[0029] The installation of the nozzle 15 and the pipeline 14 needs to be determined according to the wiring harness and oil pipe structure layout of the unmanned mine car, such as the need to consider the position of the frame wiring harness 6, the gearbox wiring harness 7, the steering oil pipe 8, the lifting oil pipe 9, the gearbox oil pipe 10, etc. The pipeline 14 extends from the bottom of the cab platform 2 to the wiring harness, oil pipe and engine exhaust pipe 4 area, and a fixed card is installed on the pipeline 14 at a certain distance (for example, 30mm). The nozzle 15 is installed in the wiring harness, oil pipe and engine exhaust pipe 4 area through a fixed bracket 16 to determine the spray angle of the nozzle 15 to meet the position, direction and area affected by the rupture of the oil pipe of the unmanned mine car. The spray radius of the nozzle 15 is preferably 2m. A fixed bracket 16 can be installed for each nozzle 15. If the setting area of ​​the nozzle 15 is relatively concentrated, multiple nozzles 15 can also be installed on a fixed bracket 16.

[0030] The embodiment of the present application is based on the position of the unmanned mine car engine exhaust pipe 4 and the wiring harness, as well as the layout of the oil pipe and other factors, and at the same time, according to the installation requirements, in order to prevent the unmanned mine car from catching fire and reduce economic losses and cost investment, and designs the installation position of the fire extinguisher 12 with a self-starting function, the installation method of the pipeline 14, the installation position of the nozzle 15 and the spraying area and range. When the unmanned mine car oil pipe ruptures and high-pressure oil is sprayed into the high-temperature area of ​​the engine exhaust pipe 4 to cause a fire, the design and installation of the fire extinguishing device can quickly detect and extinguish the fire, contain the fire, prevent the loss from expanding, and reduce the safety risk and cost control of operation. The fire extinguishing device is extremely important for unmanned mine cars, with a wide range of protection, economical and efficient, safe and reliable, ensuring the safe and economical operation of unmanned mine cars.

[0031] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0032] The above preferred embodiments shall not be regarded as limiting the present invention, and the protection scope of the present invention shall be subject to the scope defined by the claims. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the spirit and scope of the present invention, and these improvements and modifications shall also be regarded as the protection scope of the present invention.

Claims

1. A fire extinguishing device for an unmanned mining vehicle, characterized in that: It comprises a fire extinguisher (12) with a self-starting function, a temperature detection device, a pipeline (14) and a plurality of nozzles (15); The nozzle (15) is connected to the fire extinguisher (12) with a self-starting function through the pipeline (14); a plurality of the nozzles (15) are respectively aimed at the wiring harness, oil pipe and engine exhaust pipe (4) areas of the unmanned mining vehicle; The temperature detection device is installed in the wiring harness, oil pipe and engine exhaust pipe (4) area of ​​the unmanned mining vehicle and is electrically connected to the fire extinguisher (12) with a self-starting function; when the temperature detection device detects that the temperature exceeds a preset value, a feedback signal is sent to the fire extinguisher (12) with a self-starting function, and the fire extinguisher (12) with a self-starting function starts the fire extinguishing function according to the feedback signal and sprays the fire extinguishing agent outward through the nozzle (15).

2. A fire extinguishing device for an unmanned mining vehicle as claimed in claim 1, characterized in that: The fire extinguisher (12) with a self-starting function is filled with dry powder fire extinguishing agent.

3. A fire extinguishing device for an unmanned mining vehicle as claimed in claim 1, characterized in that: The temperature detection device is a temperature sensor.

4. A fire extinguishing device for an unmanned mining vehicle as claimed in claim 1, characterized in that: The temperature detection device is a thermal sensor.

5. A fire extinguishing device for an unmanned mining vehicle as claimed in claim 1, characterized in that: It also includes a fixing bracket (16); the nozzle (15) is installed in the line, oil pipe and engine exhaust pipe (4) area of ​​the unmanned mining vehicle through the fixing bracket (16).

6. A fire extinguishing device for an unmanned mining vehicle as claimed in claim 1, characterized in that: It also comprises a fixed base (13); the fire extinguisher (12) with a self-starting function is installed on the cab platform (2) of the unmanned mining vehicle through the fixed base (13).

7. A fire extinguishing device for an unmanned mining vehicle as claimed in claim 1, characterized in that: It also includes a fixed card plate; the pipeline (14) extends from the bottom of the cab platform (2) of the unmanned mining vehicle to the area of ​​the wiring harness, oil pipe and engine exhaust pipe (4), and a fixed card plate is installed on the pipeline (14) at a certain interval.

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