Intelligent fire detection alarm trolley

Abstract

The utility model discloses an intelligent fire hazard detection alarm dolly. Comprising a power mechanism, a tracing and obstacle avoiding mechanism and a gas detection mechanism, the power mechanism is arranged on the ground, the tracing and obstacle avoiding mechanism is installed on the power mechanism, and the gas detection mechanism is installed on the tracing and obstacle avoiding mechanism. The fuel gas detection mechanism comprises a fuel gas detection upper shell, a fuel gas sensor, a fuel gas detection lower shell and an alarm whistling lamp; the alarm whistling lamp and the fuel gas detection lower shell are fixedly installed on the tracing and obstacle avoiding mechanism, the fuel gas detection upper shell is installed on the fuel gas detection lower shell in a buckled mode, and the fuel gas sensor is installed in a shell formed by the fuel gas detection lower shell and the fuel gas detection upper shell. The gas leakage monitoring system can eliminate potential safety hazards of explosion, fire and other accidents caused by gas leakage, and has the advantages of low cost, portability, convenience, comprehensive information acquisition, easiness in quick installation and arrangement, high precision, quick response and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor detection and data transmission technical field, concretely relates to a kind of intelligent fire detection alarm dolly. BACKGROUND

[0002] In recent years, with the continuous acceleration of urbanization, the city develops rapidly, but at the same time, some potential safety hazards are exposed. Especially in indoor and closed pipeline environment, gas leakage problem is increasingly prominent, becoming an important challenge in urban safety management. Gas, as a common energy, is widely used in family and industrial production, however, once leakage occurs, it is easy to cause fire, explosion and other serious accidents, threatening people's life and property safety.

[0003] At present, the existing gas safety monitoring technology has certain limitations. First of all, most of the existing detection equipment is fixedly installed, lacks flexibility and mobility, and cannot cover all possible gas leakage points, especially in some complex structure and narrow space closed pipeline environment, fixed sensor may not effectively monitor the leaked gas. Secondly, the existing monitoring system can only trigger alarm when the gas concentration reaches a certain threshold, and lacks real-time continuous monitoring and data feedback function, which limits the timely discovery and handling of gas leakage to some extent. SUMMARY

[0004] In view of the problems in the background art, the utility model provides an intelligent fire detection alarm dolly, which solves the safety hazard problems caused by aging of existing indoor gas pipeline, is suitable for gas concentration information collection and early warning in home place, has the advantages of low cost, portability, comprehensive information collection, easy and fast installation and arrangement, can eliminate the safety hazard of explosion, fire and other accidents caused by gas leakage, and has important significance for solving the safety problems exposed in the process of rapid urbanization.

[0005] The technical scheme of the utility model is as follows:

[0006] The intelligent fire detection alarm dolly of the utility model comprises a power mechanism, a tracing and obstacle avoidance mechanism and a gas detection mechanism; the power mechanism is arranged on the ground, the tracing and obstacle avoidance mechanism is installed on the power mechanism, and the gas detection mechanism is installed on the tracing and obstacle avoidance mechanism; the gas detection mechanism comprises a gas detection upper shell, a gas sensor, a gas detection lower shell and an alarm siren lamp; the alarm siren lamp and the gas detection lower shell are fixedly installed on the tracing and obstacle avoidance mechanism, the gas detection upper shell is buckled on the gas detection lower shell, and the gas sensor is installed in the shell formed by the gas detection lower shell and the gas detection upper shell.

[0007] The power mechanism comprises two wheel hubs, two outer tires, a universal wheel, a chassis, a direct current motor driving plate, two motors and a speed measuring disc; the two motors are symmetrically installed on the two sides of the lower surface of the chassis along the advancing direction through small nuts, the output shafts of the two motors are perpendicular to the advancing direction and respectively face the two sides of the advancing direction, each of the output shafts of the two motors is in transmission connection with a wheel hub, each wheel hub is externally sleeved with an outer tire, and the two outer tires are arranged on the ground, the universal wheel is installed on the rear of the lower surface of the chassis along the advancing direction through a universal wheel support, and the universal wheel is arranged on the ground, the speed measuring disc is installed on the wheel hub, and the direct current motor driving plate is electrically connected with the two motors respectively.

[0008] The trace obstacle avoidance mechanism comprises a plurality of copper columns, a support plate, an ultrasonic sensor and a color sensor; one end of each copper column is vertically and fixedly installed on the chassis, the support plate is vertically and fixedly installed on the other end of each copper column, the gas detection lower shell and the alarm siren lamp are fixedly installed on the support plate respectively, the ultrasonic sensor is installed on the front end of the support plate along the advancing direction, and the color sensor is installed on the rear end of the support plate along the advancing direction.

[0009] The intelligent fire detection and alarm trolley further comprises a single-chip microcomputer and a wireless signal transmitter; the single-chip microcomputer is installed in the shell formed by the gas detection lower shell and the gas detection upper shell, the wireless signal transmitter is installed on the support plate, and the single-chip microcomputer is in communication connection with the direct current motor driving plate, the speed measuring disc, the gas sensor, the ultrasonic sensor, the color sensor, the alarm siren lamp and the wireless signal transmitter respectively.

[0010] The intelligent fire detection and alarm trolley further comprises a power supply group; the power supply group is installed on the chassis through a nut, and the power supply group is in electrical connection with the two motors, the single-chip microcomputer, the direct current motor driving plate, the speed measuring disc, the gas sensor, the ultrasonic sensor, the color sensor, the alarm siren lamp and the wireless signal transmitter respectively.

[0011] The intelligent fire detection and alarm trolley further comprises a power supply group; the power supply group is installed on the chassis through a nut, and the power supply group is in electrical connection with the two motors, the single-chip microcomputer, the direct current motor driving plate, the speed measuring disc, the gas sensor, the ultrasonic sensor, the color sensor, the alarm siren lamp and the wireless signal transmitter respectively.

[0012] 1、The utility model discloses a gas sensor is used to detect gas concentration, thereby realizing accurate detection of fire, and transmitting data to a single-chip microcomputer, so as to eliminate the safety hazards of explosion, fire and other accidents caused by gas leakage, and has the advantages of low cost, portability, comprehensive information collection, easy and rapid installation and arrangement, and important significance for solving the safety problems caused by rapid development in the urbanization process.

[0013] 2、For the intelligent trolley patrolling and going to the fire scene, the ultrasonic sensor and the color sensor are added, so that the trolley has a trace obstacle avoidance function, can timely and effectively avoid obstacles and find places with excessively high gas concentration. DRAWINGS

[0014] Figure 1 It is the component structure diagram of the utility model.

[0015] Figure 2 It is the overhead structure schematic view of the utility model.

[0016] Figure 3 It is the left view structure schematic view of the utility model.

[0017] Figure 4 It is the front view structure schematic view of the utility model.

[0018] In the above-mentioned drawing: 1, gas detection upper shell;2, single-chip microcomputer;3, wireless signal transmitter;4, gas detection lower shell;5, ultrasonic sensor;6, support plate;7, color sensor;8, DC motor drive board;9, nut;10, motor;11, copper column;12, speedometer disc;13, wheel hub;14, outer tire;15, chassis;16, small nut;17, power pack;18, universal wheel;19, universal wheel support. DETAILED DESCRIPTION

[0019] The technical solutions in the utility model will be described further in detail below with reference to the drawings and specific embodiments. However, the implementation manners of the utility model are not limited to this.

[0020] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the intelligent fire detection alarm trolley of the embodiment comprises a power mechanism, a tracing and obstacle avoidance mechanism and a gas detection mechanism;The power mechanism is arranged on the ground, the tracing and obstacle avoidance mechanism is installed on the power mechanism, and the gas detection mechanism is installed on the tracing and obstacle avoidance mechanism;The gas detection mechanism comprises a gas detection upper shell 1, a gas sensor, a gas detection lower shell 4 and an alarm siren lamp;The alarm siren lamp and the gas detection lower shell 4 are fixedly installed on the tracing and obstacle avoidance mechanism respectively, the gas detection upper shell 1 is buckledly installed on the gas detection lower shell 4, and the gas sensor is installed inside the shell formed by the gas detection lower shell 4 and the gas detection upper shell 1.

[0021] In specific implementation, the model of the gas sensor is MQ-2.

[0022] The power mechanism comprises two wheel hubs 13, two tires 14, a universal wheel 18, a chassis 15, a direct current motor driving plate 8, two motors 10 and a speed measuring disc 12; the two motors 10 are symmetrically installed on the two sides of the lower surface of the chassis 15 along the advancing direction through small nuts 16, the output shafts of the two motors 10 are perpendicular to the advancing direction and respectively face the two sides of the outside of the advancing direction, each of the output shafts of the two motors is drivingly connected with a wheel hub 13, each wheel hub 13 is externally sleeved with a tire 14, the two tires 14 are arranged on the ground, the universal wheel 18 is installed on the rear part of the lower surface of the chassis 15 along the advancing direction through a universal wheel support 19, the universal wheel 18 is arranged on the ground, the speed measuring disc 12 is installed on the wheel hub 13 to measure the speed of the movement of the intelligent fire detection and alarm trolley, and the direct current motor driving plate 8 is electrically connected with the two motors 10 respectively.

[0023] The installation of the universal wheel 18 under the chassis enables the power mechanism to have a wheeled movement mode, thereby enabling the trolley to rotate by 360 degrees.

[0024] The trace and obstacle avoidance mechanism comprises a plurality of copper columns 11, a support plate 6, an ultrasonic sensor 5 and a color sensor 7; one end of each copper column 11 is vertically and fixedly installed on the chassis 15, the support plate 6 is vertically and fixedly installed on the other end of each copper column 11, the gas detection lower shell 4 and the alarm siren lamp are respectively fixedly installed on the support plate 6, the ultrasonic sensor 5 is installed on the front end of the support plate 6 along the advancing direction to perform ultrasonic positioning, and the color sensor 7 is installed on the rear end of the support plate 6 along the advancing direction to identify the color of the ground, thereby realizing obstacle avoidance.

[0025] The color sensor 7 and the ultrasonic sensor 5 detect the surrounding environment, so as to timely and effectively avoid obstacles and find places with excessively high gas concentration.

[0026] The color sensor 7 comprises components such as a light source, a lens, an optical filter and a photoelectric converter, can simultaneously detect the colors of a plurality of objects at high speed and high precision, distinguishes subtle color differences by sensing the spectral characteristics of reflected or transmitted light, and performs a trace function. Even if the distance to the target object changes, the recognized color does not change. Therefore, even if the distance changes or tilts, the color of the target object can be stably recognized, and the color sensor 7 has functions of high precision, fast response, multi-function and strong durability.

[0027] The ultrasonic sensor 5 uses a single sensor to send a pulse and receive a return wave, emits an ultrasonic wave pulse of 40 kHz, propagates in the air, and bounces back to the sensor if encountering an obstacle or object, to perform an obstacle avoidance function.

[0028] The intelligent fire detection alarm trolley further comprises a single-chip microcomputer 2 and a wireless signal transmitter 3; the single-chip microcomputer 2 is installed inside a shell formed by the lower gas detection shell 4 and the upper gas detection shell 1, and the wireless signal transmitter 3 is installed on the support plate 6 close to the lower gas detection shell 4; the single-chip microcomputer 2 is in communication connection with the DC motor driving plate 8, the speed measuring disc 12, the gas sensor, the ultrasonic sensor 5, the color sensor 7, the alarm siren lamp and the wireless signal transmitter 3 respectively.

[0029] The single-chip microcomputer 2 performs noise reduction and decoding processing on the collected data, and uploads the data to an external data server through the wireless signal transmitter 3 after encoding.

[0030] The wireless signal transmission module 3 uses a wireless router to send data to an external data server in real time, and then displays the detection result values and system status on a computer.

[0031] The intelligent fire detection alarm trolley further comprises a power supply group 17; the power supply group 17 is installed on the chassis 15 through the nut 9, and is in electrical connection with the two motors 10, the single-chip microcomputer 2, the DC motor driving plate 8, the speed measuring disc 12, the gas sensor, the ultrasonic sensor 5, the color sensor 7, the alarm siren lamp and the wireless signal transmitter 3 respectively. The power supply group 17 is used for power supply.

[0032] In specific implementation, the working process of the utility model is as follows:

[0033] Gas detection: the gas sensor collects gas concentration and transmits data to the single-chip microcomputer 2, the single-chip microcomputer 2 processes the data and uploads the data to an external data server through the wireless signal transmitter 3 to display gas concentration data in real time; when the gas concentration is greater than the threshold concentration, the single-chip microcomputer 2 sends an alarm signal to the alarm siren lamp to sound and light.

[0034] Patrol detection: the intelligent fire detection alarm vehicle is powered by the power supply provided by the power supply group 17 of the power mechanism, the single-chip microcomputer 2 controls the DC motor drive board 8 to control the two motors 10 to drive the tire hub 13 and the tire 14 to move, the ultrasonic sensor 5 and the color sensor 7 on the trace obstacle avoidance mechanism respectively measure the distance and identify the obstacle color, and transmit the data to the single-chip microcomputer 2 for processing, so as to realize the function of trace obstacle avoidance. The steering of the intelligent fire detection alarm vehicle is realized by controlling the speed of the two motors 10 through the single-chip microcomputer 2 and the DC motor drive board 8, so as to control the steering of the tire.

[0035] The embodiment realizes accurate detection and alarm of abnormal gas concentration through the power mechanism, the trace obstacle avoidance mechanism and the gas detection mechanism, and has obvious advantages in cost, portability, information collection and response time.

[0036] The above embodiment is only used to illustrate the utility model, and is not a limitation on the utility model. The ordinary skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, all equivalent technical solutions also belong to the scope of the utility model, and the patent protection range of the utility model should be limited by the claims.

Claims

1. An intelligent fire detection and alarm vehicle, characterized in that: It includes a power mechanism, a tracking and obstacle avoidance mechanism, and a gas detection mechanism; the power mechanism is arranged on the ground, the tracking and obstacle avoidance mechanism is installed on the power mechanism, and the gas detection mechanism is installed on the tracking and obstacle avoidance mechanism; the gas detection mechanism includes a gas detection upper shell (1), a gas sensor, a gas detection lower shell (4), and an alarm siren light; the alarm siren light and the gas detection lower shell (4) are respectively fixedly installed on the tracking and obstacle avoidance mechanism, the gas detection upper shell (1) is snapped onto the gas detection lower shell (4), and the gas sensor is installed inside the shell formed by the gas detection lower shell (4) and the gas detection upper shell (1); The power mechanism includes two hubs (13), two tires (14), casters (18), a chassis (15), a DC motor drive board (8), two motors (10), and a speed measuring disc (12). The two motors (10) are symmetrically installed on both sides of the lower surface of the chassis (15) along the forward direction. The output shafts of the two motors (10) are perpendicular to the forward direction and face the two sides of the forward direction respectively. The output shafts of the two motors are each connected to a hub (13). Each hub (13) is fitted with a tire (14). The two tires (14) are arranged on the ground. The casters (18) are installed at the rear of the lower surface of the chassis (15) along the forward direction. The casters (18) are arranged on the ground. The speed measuring disc (12) is installed on the hub (13). The DC motor drive board (8) is electrically connected to the two motors (10) respectively. The tracking and obstacle avoidance mechanism includes several copper pillars (11), a support plate (6), an ultrasonic sensor (5), and a color sensor (7); one end of each copper pillar (11) is vertically fixed on the chassis (15), the support plate (6) is vertically fixed on the other end of each copper pillar (11), the gas detection lower shell (4) and the alarm siren light are respectively fixed on the support plate (6), the ultrasonic sensor (5) is installed at the front end of the support plate (6) along the forward direction, and the color sensor (7) is installed at the rear end of the support plate (6) along the forward direction. The intelligent fire detection and alarm vehicle also includes a microcontroller (2) and a wireless signal transmitter (3); the microcontroller (2) is installed inside the housing formed by the lower gas detection shell (4) and the upper gas detection shell (1), and the wireless signal transmitter (3) is installed on the support plate (6). The microcontroller (2) is connected to the DC motor drive board (8), the speed measuring plate (12), the gas sensor, the ultrasonic sensor (5), the color sensor (7), the alarm siren light and the wireless signal transmitter (3) respectively.

2. The intelligent fire detection and alarm vehicle according to claim 1, characterized in that: The intelligent fire detection and alarm vehicle also includes a power supply unit (17); the power supply unit (17) is installed on the chassis (15), and the power supply unit (17) is electrically connected to two motors (10), a microcontroller (2), a DC motor drive board (8), a speed measuring plate (12), a gas sensor, an ultrasonic sensor (5), a color sensor (7), an alarm siren light, and a wireless signal transmitter (3).

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