Machine tool fire extinguishing system with temperature acquisition function

By installing multiple temperature sensors and 485 communication devices inside the machine tool, combined with microcontroller control, the problem of untimely response of the machine tool fire extinguishing system was solved. This enabled timely detection and extinguishing of flames, prevention of explosions, and monitoring of the dosage of extinguishing agents, thereby improving the reliability of the fire extinguishing system.

CN223611851UActive Publication Date: 2025-11-28SUZHOU NIANHAI FIRE PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423074831.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-28
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing machine tool fire suppression systems only have a single temperature sensor in a fixed location, which cannot detect the direction in which the flame moves away from the sensor in a timely manner, resulting in a delayed response and posing an explosion hazard.

Method used

Multiple temperature sensors are distributed throughout the machine tool, and the temperature is monitored in real time via 485 communication equipment. The first and second microcontrollers are used to automatically or manually activate the fire extinguishing module to ensure timely fire suppression.

Benefits of technology

It enables real-time temperature monitoring of various parts of the machine tool to ensure timely fire suppression and prevent explosions, and monitors the dosage of fire extinguishing agents through weighing sensors to ensure fire suppression efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a machine tool fire extinguishing system with a temperature acquisition function, which relates to the technical field of fire extinguishing systems and comprises a flame detection module, a fire extinguishing module, a first control circuit board for signal transmission and a second control circuit board for temperature acquisition. The first control circuit board is provided with a plurality of input ports and a plurality of output ports, the fire extinguishing modules are electrically connected with the output ports, the first control circuit board and the second control circuit board are both provided with 485 communication ports, the 485 communication ports on the first control circuit board and the second control circuit board are both provided with 485 communication units, and the 485 communication units are connected into the same 485 communication equipment. A plurality of temperature acquisition ports are formed in the second control circuit board, the flame detection module comprises a plurality of temperature sensors which are electrically connected with the temperature acquisition ports respectively, and the temperature sensors are distributed at all parts in the machine tool; temperature detection is carried out on each part, so that the timeliness of fire extinguishing is ensured, and explosion is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a fire extinguishing system, more specifically, it relates to a machine tool fire extinguishing system with temperature acquisition function. BACKGROUND

[0002] For numerical control machine tool, grinder, etc. Some processing equipment, because such equipment, mostly will adopt cooling oil, once there is a fire core will appear to burn, when the control system detects that temperature presents jump type rise, the system starts fire extinguishing preferentially, but the existing machine tool only has a temperature sensor, and fixedly connected in the corresponding position, the whole equipment space will not be high temperature immediately, if the flame is in the direction away from the temperature sensor, the temperature sensor can not detect well, and the reaction is not timely and prone to hidden danger, even explosion.

[0003] Therefore, a new scheme needs to be proposed to solve this problem. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a machine tool fire extinguishing system with temperature acquisition function.

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

[0006] A machine tool fire extinguishing system with temperature acquisition function, including flame detection module, fire extinguishing module, first control circuit board for signal transmission and second control circuit board for temperature acquisition, be equipped with a plurality of input ports and a plurality of output ports on the first control circuit board, the fire extinguishing module is electrically connected with the output port, the first control circuit board and second control circuit board are equipped with 485 communication port, the 485 communication port on the first control circuit board and second control circuit board is electrically connected with 485 communication module, and access same 485 communication equipment, be equipped with a plurality of temperature acquisition ports on the second control circuit board, the flame detection module includes a plurality of temperature sensors and is electrically connected with a plurality of temperature acquisition ports respectively, a plurality of temperature sensors are distributed in each part in the machine tool.

[0007] The utility model further sets up, be equipped with first singlechip on the first control circuit board, be equipped with second singlechip on the second control circuit board, the 485 communication module includes 485 communication chip, the pin 1 and pin 4 of 485 communication chip on the first control circuit board access the input end of first singlechip, the pin 6 and pin 7 of 485 communication chip are connected into the pin 3 and pin 4 of terminal respectively, the pin 5 of 485 communication chip is grounded, the pin 8 of 485 communication chip accesses positive power supply.

[0008] The pin 1 and the pin 4 of the 485 communication chip on the second control circuit board are connected with the input end of the second single-chip microcomputer, and the pin 14 to the pin 19 of the second single-chip microcomputer are electrically connected with the temperature acquisition port.

[0009] The second control circuit board is provided with a code dial switch, and a plurality of switches corresponding to the temperature acquisition port one by one are arranged on the code dial switch.

[0010] The fire extinguishing module comprises a medicament bottle and a medicament nozzle, the medicament bottle and the medicament nozzle are communicated through an electromagnetic valve, and the electromagnetic valve is electrically connected to the output port on the first control circuit board.

[0011] The first control circuit board is provided with a weighing port, and the weighing port is electrically connected with a weighing sensor, and the medicament bottle is placed on the weighing sensor.

[0012] The beneficial technical effects of the utility model are as follows:

[0013] The plurality of temperature sensors are arranged at various positions in the machine tool, so that the temperature of each position in the machine tool can be detected, and the second single-chip microcomputer is used for transmission to the 485 communication equipment, so that the temperature of each position can be seen in real time. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the circuit structure wiring diagram of the utility model;

[0015] Figure 2 It is the circuit structure wiring diagram of the fire extinguishing module of the utility model;

[0016] Figure 3 It is the circuit structure principle diagram of the first single-chip microcomputer of the utility model;

[0017] Figure 4 It is the circuit structure principle diagram of the weighing chip of the utility model;

[0018] Figure 5 It is the circuit structure principle diagram of the 485 communication module on the first control circuit board of the utility model;

[0019] Figure 6The utility model discloses a circuit structure principle drawing of the second singlechip,

[0020] Figure 7 The utility model discloses a circuit structure principle drawing of 485 communication module on the second control circuit board,

[0021] Figure 8 The utility model discloses a circuit structure principle drawing of temperature acquisition port,

[0022] Figure 9 The utility model discloses a circuit structure principle drawing of the dial switch.

[0023] In the drawing, 1, first control circuit board, 2, second control circuit board, 3, input port, 4, output port, 5, 485 communication port, 6, weighing port, 7, weighing sensor, 8, electromagnetic valve, 9, medicament bottle, 10, medicament nozzle, 11, temperature acquisition port, 12, temperature sensor. DETAILED DESCRIPTION

[0024] In order to can more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the specific embodiment of the utility model is further described in detail below, the following examples are used to explain the utility model, but not to limit the scope of the utility model.

[0025] A machine tool fire extinguishing system with temperature acquisition function, as shown in Figures 1-9 It includes flame detection module, fire extinguishing module, first control circuit board 1 for signal transmission and second control circuit board 2 for temperature acquisition, is equipped with a plurality of input ports 3 and a plurality of output ports 4 on the first control circuit board 1, and the fire extinguishing module is electrically connected with the output port 4, and the output port 4 can also be connected to alarm equipment, and a plurality of temperature acquisition ports 11 are arranged on the second control circuit board 2, the flame detection module includes a plurality of temperature sensors 12 and is electrically connected with a plurality of temperature acquisition ports 11 respectively, and the flame detection module also includes a flame detector and is electrically connected with corresponding input port 3 respectively, and the flame detector can detect the light signal and heat radiation in the machine tool.

[0026] The first control circuit board 1 and the second control circuit board 2 are each provided with a 485 communication port 5, the 485 communication port 5 on the first control circuit board 1 and the second control circuit board 2 is electrically connected with a 485 communication module, and is connected to the same 485 communication equipment, a plurality of temperature sensors 12 are distributed at various positions in the machine tool; the first control circuit board 1 is provided with a first single-chip microcomputer, after a 24V power supply is connected to the first control circuit board 1, 5V power supply is obtained by using a power conversion chip, and the first single-chip microcomputer and each element on the first control circuit board 1 are powered, the pins of a plurality of input ports 3 and a plurality of output ports 4 are respectively connected to the first single-chip microcomputer; the second control circuit board 2 is provided with a second single-chip microcomputer, after a 24V power supply is connected to the second control circuit board 2, 3.3V power supply is obtained by using a power conversion chip, and the second single-chip microcomputer and each element on the second control circuit board 2 are powered, the 485 communication module includes a 485 communication chip, the pin 1 and the pin 4 of the 485 communication chip on the first control circuit board 1 are connected to the input end of the first single-chip microcomputer, the pin 1 and the pin 4 of the 485 communication chip on the second control circuit board 2 are connected to the input end of the second single-chip microcomputer, the pin 6 and the pin 7 of the 485 communication chip are respectively connected to the pin 3 and the pin 4 of the terminal, the pin 5 of the 485 communication chip is grounded, and the pin 8 of the 485 communication chip is connected to the positive power supply; the pin 14 to the pin 19 of the second single-chip microcomputer are electrically connected with the temperature acquisition port 11; by arranging a plurality of temperature sensors 12 and arranging them at various positions in the machine tool, the temperature of each position in the machine tool can be detected, and then transmitted by the second single-chip microcomputer to the 485 communication equipment, so that the temperature of each position can be obtained in real time, once the temperature of one position is too high, the 485 communication equipment can be used to transmit the temperature to the first single-chip microcomputer, so that the fire extinguishing module can be automatically started to extinguish the fire, ensuring the timeliness of fire extinguishing and preventing explosion; and the 485 communication equipment can also be used for manual control to start the fire extinguishing module to extinguish the fire.

[0027] The second control circuit board 2 is provided with a code switching switch, a plurality of switches corresponding to the temperature acquisition ports 11 are arranged on the code switching switch, one end of the plurality of switches is grounded, and the other end of the plurality of switches is connected to the pin 25 to the pin 32 of the second single-chip microcomputer; by arranging the code switching switch, the corresponding temperature acquisition ports 11 can be opened one by one by the code switching switch, so that the corresponding temperature sensors 12 are closed, and the energy-saving effect is achieved.

[0028] As Figures 2-5As shown, the fire extinguishing module includes a medicament bottle 9 and a medicament nozzle 10 arranged in the machine tool, the medicament bottle 9 and the medicament nozzle 10 are communicated through a solenoid valve 8, the solenoid valve 8 is electrically connected to the output port 4 on the first control circuit board 1, the first single-chip microcomputer on the first control circuit board 1 processes signals and energizes the solenoid valve 8 through the output port 4, so as to control the medicament nozzle 10 to spray medicament to extinguish the fire in the machine tool; the first control circuit board 1 is provided with a weighing port 6, the weighing port 6 is electrically connected with a weighing sensor 7, the medicament bottle 9 is placed on the weighing sensor 7, the weighing sensor 7 can detect the weight of the medicament bottle 9 in real time by being arranged, the first control circuit board 1 is further provided with a weighing chip U3, the weighing chip U3 adopts a 24-bit A / D converter chip HX711, the pin 10 and the pin 11 of the weighing chip U3 are connected to the pin 33 and the pin 32 of the first single-chip microcomputer, the pin 4 of the weighing port 6 is grounded, the pins 1 to 3 of the weighing port 6 are electrically connected to the weighing chip U3, the weighing chip U3 receives the data detected by the weighing sensor 7 in real time and transmits the information to the first single-chip microcomputer, when the value detected by the weighing sensor 7 decreases by a certain range, the first single-chip microcomputer sends a signal to the output port 4, the alarm device at the output port 4 is turned on to give an alarm, the weight of the medicament bottle 9 can be monitored in real time, so as to prevent the medicament in the medicament bottle 9 from being insufficient and affect the fire extinguishing effect of the overall fire extinguishing system;

[0029] Working principle: a plurality of temperature sensors 12 are arranged at various positions in the machine tool, so as to detect the temperature of each position in the machine tool, and then transmit the temperature to the 485 communication equipment by the second single-chip microcomputer, so as to obtain the temperature of each position in real time, once the temperature of one position is too high, the 485 communication equipment can transmit the temperature to the first single-chip microcomputer, so as to automatically start the fire extinguishing module to extinguish the fire, so as to ensure the timeliness of fire extinguishing and prevent explosion; the 485 communication equipment can also be used for manual control to start the fire extinguishing module to extinguish the fire.

[0030] The weighing sensor 7 is arranged, the medicament bottle 9 is placed on the weighing sensor 7, the weighing chip U3 receives the data detected by the weighing sensor 7 in real time and transmits the information to the first single-chip microcomputer, when the value detected by the weighing sensor 7 decreases by a certain range, the first single-chip microcomputer sends a signal to the output port 4, the alarm device at the output port 4 is turned on to give an alarm, the weight of the medicament bottle 9 can be monitored in real time, so as to prevent the medicament in the medicament bottle 9 from being insufficient and affect the fire extinguishing effect of the overall fire extinguishing system; the overall structure can extinguish fire more timely, the fire extinguishing efficiency is ensured, the fire is prevented, explosion is prevented, and the personal safety is ensured.

[0031] The above merely is preferred implementation manner of the present application, and is not used for limiting the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the technical principle of the present application, can also make several improvements and variations, these improvements and variations also should be considered as the protection scope of the present application.

Claims

1. A machine tool fire extinguishing system with temperature acquisition function, characterized in that: The application relates to a flame detection module, a fire extinguishing module, a first control circuit board (1) for signal transmission, and a second control circuit board (2) for temperature acquisition, wherein a plurality of input ports (3) and a plurality of output ports (4) are arranged on the first control circuit board (1), the fire extinguishing module is electrically connected with the output ports (4), the first control circuit board (1) and the second control circuit board (2) are both provided with 485 communication ports (5), the 485 communication ports (5) on the first control circuit board (1) and the second control circuit board (2) are both electrically connected with 485 communication modules and are connected to the same 485 communication equipment, a plurality of temperature acquisition ports (11) are arranged on the second control circuit board (2), the flame detection module comprises a plurality of temperature sensors (12) and is electrically connected with the plurality of temperature acquisition ports (11), and the plurality of temperature sensors (12) are distributed at various positions in a machine tool.

2. The machine tool fire extinguishing system with temperature acquisition function according to claim 1, characterized in that: A first single-chip microcomputer is arranged on the first control circuit board (1), a second single-chip microcomputer is arranged on the second control circuit board (2), the 485 communication module comprises a 485 communication chip, the pin 1 and the pin 4 of the 485 communication chip on the first control circuit board (1) are connected to the input end of the first single-chip microcomputer, the pin 6 and the pin 7 of the 485 communication chip are connected to the pin 3 and the pin 4 of a terminal respectively, the pin 5 of the 485 communication chip is grounded, and the pin 8 of the 485 communication chip is connected to a positive power supply.

3. The machine tool fire extinguishing system with temperature acquisition function according to claim 1, characterized in that: The pin 1 and the pin 4 of the 485 communication chip on the second control circuit board (2) are connected to the input end of the second single-chip microcomputer, and the pin 14 to the pin 19 of the second single-chip microcomputer are electrically connected with the temperature acquisition ports (11).

4. The machine tool fire extinguishing system with temperature acquisition function according to claim 1, characterized in that: A DIP switch is arranged on the second control circuit board (2), a plurality of switches corresponding to the temperature acquisition ports (11) are arranged on the DIP switch, one end of the plurality of switches is grounded, and the other end of the plurality of switches is connected to the pin 25 to the pin 32 of the second single-chip microcomputer.

5. The machine tool fire extinguishing system with temperature acquisition function according to claim 1, characterized in that: The fire extinguishing module comprises a medicament bottle (9) and a medicament nozzle (10), the medicament bottle (9) and the medicament nozzle (10) are communicated through an electromagnetic valve (8), and the electromagnetic valve (8) is electrically connected to the output port (4) on the first control circuit board (1).

6. The machine tool fire extinguishing system with temperature acquisition function according to claim 5, characterized in that: A weighing port (6) is arranged on the first control circuit board (1), a weighing sensor (7) is electrically connected to the weighing port (6), and the medicament bottle (9) is placed on the weighing sensor (7).