Automatic spraying system of human cabin

Abstract

The utility model discloses an automatic spraying system for a human cabin, and particularly relates to the technical field of fire-fighting spraying systems, the automatic spraying system comprises a fire-fighting pipeline positioned in a shield tunneling machine and spraying pipes positioned in a main cabin and an auxiliary cabin, a manual ball valve and an electric ball valve are mounted on the fire-fighting pipeline in parallel, and the fire-fighting pipeline extends into the main cabin and the auxiliary cabin respectively; the fire-fighting pipeline is communicated with the corresponding spraying pipe, a plurality of wide-angle nozzles are mounted on the spraying pipe, a smoke sensor is arranged on one side of the spraying pipe, a temperature sensor is arranged on one side of the smoke sensor, and a flame detector is arranged on one side of the temperature sensor. According to the utility model, the fire in the cabin can be comprehensively monitored in real time, the purpose of automatic spraying is achieved, the safety of operators in the cabin is ensured, the probability of pipeline blockage can be avoided, and the spraying effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire -fighting spray system technical field, more specifically, the utility model relates to the automatic spray system of man cabin. BACKGROUND

[0002] Shield construction method is a kind of construction method of tunneling under ground, it uses shield machine to tunnel underground, prevents soft foundation excavation face collapse or keeps excavation face stable while safely carrying out tunneling and lining operation in machine.

[0003] The man cabin of shield machine is usually arranged above the front shield of shield machine, is connected with the earth chamber of shield machine and is separated by earth chamber door, it mainly functions as transition cabin when operating personnel enters earth chamber operation under the condition of earth chamber pressure, and also can provide safe place for personnel to avoid when accident occurs to cope with emergency situation. Because it needs to enter and exit earth chamber under the condition of earth chamber pressure, it needs to be pressurized or depressurized in man cabin as transition cabin, operating personnel need to stay in man cabin for a period of time when pressurized or depressurized, and the personal safety of operating personnel in man cabin needs to be protected during the period, and fire prevention is an important control point, therefore, man cabin is generally provided with spray system, which can extinguish fire in time when fire occurs in man cabin.

[0004] However, the man cabin spray system of shield machine is manually controlled, and the valve of cabin outside fire-fighting water pipe is opened by monitoring personnel to spray and extinguish fire when monitoring personnel sees that fire occurs in man cabin, and this mode has the following shortcomings:

[0005] 1, it needs to monitor the whole system and make necessary decisions in real time, and continuous working nature cannot be 24 hours uninterrupted;

[0006] 2, manual control is applied to small and simple control occasions;

[0007] 3, it is easy to be disturbed by outside and cannot extinguish fire in first time when fire occurs.

[0008] In view of the above situation, the utility model provides the automatic spray system of man cabin. UTILITY MODEL CONTENT

[0009] In order to overcome the above-mentioned defects of prior art, the utility model provides the automatic spray system of man cabin to solve the problems in the above background art.

[0010] To achieve the above object, the utility model provides the following technical scheme: The automatic spraying system of cabin includes the fire control pipeline in the shield machine and the spraying pipe in the inside of main cabin and auxiliary cabin, manual ball valve and electric ball valve are installed in parallel on the fire control pipeline, and the fire control pipeline extends to the inside of main cabin and auxiliary cabin respectively, the fire control pipeline is linked with the corresponding spraying pipe, a plurality of wide -angle nozzles are installed on the spraying pipe, the one side of spraying pipe is provided with smoke sensor, the one side of smoke sensor is provided with temperature sensor, the one side of temperature sensor is provided with flame detector, the electric ball valve, smoke sensor, temperature sensor and flame detector all are connected with control box through control cable, the control box still is connected with warning light, and warning light is installed in the outside of main cabin and auxiliary cabin.

[0011] It can be seen that, in the spraying system, the smoke sensor, temperature sensor and flame detector installed in the cabin monitor the fire situation in the cabin in real time, and once a fire occurs, the signal is transmitted to the external control box, the control box controls the warning light to issue a warning, prompts the operator in the cabin, and controls the electric ball valve to open, so that the spraying pipe sprays the fire control water, and the purpose of spraying fire extinguishing is achieved.

[0012] In order to be able to filter the impurities in the fire control water, avoid the phenomenon that the pipeline is blocked, and further improve the spraying effect, preferably, a filter assembly is installed on the outside of the fire control pipeline, wherein the filter assembly comprises a filter box, the filter box is installed on the outside of the fire control pipeline, and two filter cores are installed in the filter box, two mounting grooves are formed in the surface of the filter box, and a sealing plate is installed in each mounting groove through screws.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. The smoke sensor, temperature sensor and flame detector installed in the cabin monitor the fire situation in the cabin in real time, and once a fire occurs, the signal is transmitted to the external control box, the control box controls the warning light to issue a warning, prompts the operator in the cabin, and controls the electric ball valve to open, so that the spraying pipe sprays the fire control water, and the purpose of spraying fire extinguishing is achieved.

[0015] 2. The filter box is installed on the outside of the fire control pipeline, the fire control water enters the inside of the filter box when being conveyed through the fire control pipeline, and is filtered through the two filter cores, so as to ensure the cleanliness of the fire control water, and the filter core can be cleaned by removing the screws at the sealing plate, pulling the sealing plate upwards, and taking the two filter cores out of the inside of the filter box. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The utility model discloses a whole structure schematic diagram.

[0017] Figure 2 The utility model discloses a filter box surface structure schematic diagram.

[0018] Figure 3 The utility model discloses a system diagram.

[0019] Figure 4 The utility model discloses a system operation interface diagram.

[0020] The figure mark is: 1, fire control pipeline, 2, spray pipe, 3, manual ball valve, 4, electric ball valve, 5, wide-angle sprinkler, 6, smoke sensor, 7, temperature sensor, 8, flame detector, 9, warning light, 10, filter box, 11, filter core, 12, mounting groove, 13, sealing plate, 14, control box. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0022] As shown in the figure, Figures 1-4 The automatic spray system of the cabin includes the fire control pipeline 1 in the shield machine and the spray pipe 2 in the main cabin and the auxiliary cabin, the manual ball valve 3 and the electric ball valve 4 are installed in parallel on the fire control pipeline 1, the fire control pipeline 1 extends to the inside of the main cabin and the auxiliary cabin respectively, the fire control pipeline 1 is communicated with the corresponding spray pipe 2, a plurality of wide-angle sprinklers 5 are installed on the spray pipe 2, the smoke sensor 6 is arranged on one side of the spray pipe 2, the temperature sensor 7 is arranged on one side of the smoke sensor 6, the flame detector 8 is arranged on one side of the temperature sensor 7, the electric ball valve 4, the smoke sensor 6, the temperature sensor 7 and the flame detector 8 are connected with the control box 14 through the control cable, the control box 14 is also connected with the warning light 9, and the warning light 9 is installed outside the main cabin and the auxiliary cabin.

[0023] Specifically, in the structure, the spray pipe 2 is installed in the inside of the main cabin and the auxiliary cabin of the shield machine, for conveying the fire control water through the spray pipe 2, and finally spraying through the wide-angle sprinkler 5, to achieve the purpose of fire extinguishing, the smoke sensor 6, the temperature sensor 7 and the flame detector 8 are all installed in the inside of the main cabin and the auxiliary cabin, and the warning light 9 is installed outside the cabin.

[0024] When a fire occurs in the cabin, the smoke sensor 6 of the QT-MQ-2 type first detects the smoke in the cabin, the temperature sensor 7 of the PT100 type detects the temperature threshold when the fire occurs, and the flame detector 8 of the QRA2 type detects the flame in the cabin, whether the fire occurs in the cabin is detected by the smoke sensor 6, the temperature sensor 7 and the flame detector 8, and the signal is sent to the control box 14 through the control cable, after the control box 14 receives the instruction, the electric ball valve 4 is opened, and the warning light 9 sends a warning, the warning light 9 sends a sound and a flashing alarm to remind the operator, at this time, the fire pipe 1 transports the fire water from the industrial water system to the inside of the corresponding spray pipe 2, and finally sprays out through the wide-angle spray head 5, so as to achieve the purpose of spraying fire extinguishing;

[0025] When the fire is extinguished, the smoke sensor 6, the temperature sensor 7 and the flame detector 8 do not feel the fire signal, the PLC program sends an instruction to the electric ball valve 4, and the electric ball valve 4 closes the valve after receiving the instruction;

[0026] When the forced spraying function needs to be manually opened, as shown in the accompanying drawings, Figure 4 , the opening / stop button of the main / auxiliary cabin on the upper computer can be clicked to control the opening / closing of the electric ball valve 4, so as to achieve the effect of manual fire extinguishing.

[0027] In specific embodiments, as shown in the accompanying drawings, Figure 1 , 2 The filter assembly is installed on the outside of the fire pipe 1, the filter assembly includes a filter box 10, the filter box 10 is installed on the outside of the fire pipe 1, two filter cores 11 are installed in the inside of the filter box 10, two installation grooves 12 are formed on the surface of the filter box 10, and the two installation grooves 12 are connected with the two filter cores 11 through screws.

[0028] Specifically, in this structure, in order to filter the impurities in the fire water and avoid pipe blockage and affect the spraying effect, specifically, when the fire water is transported through the fire pipe, it enters the inside of the filter box 10 and is filtered by the two filter cores 11, so as to ensure the cleanliness of the fire water.

[0029] When the two filter cores 11 in the filter box 10 need to be cleaned, the operator can remove the screws at the sealing plate 13, pull the sealing plate 13 upwards, and then take out the two filter cores from the inside of the filter box 10, so as to clean the filter cores.

[0030] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic sprinkler system for a human cabin, comprising a fire-fighting pipe (1) inside a shield tunneling machine and a sprinkler pipe (2) inside a main cabin and a sub-cabin, characterized in that: The manual ball valve (3) and the electric ball valve (4) are installed in parallel on the fire-fighting pipeline (1), and the fire-fighting pipeline (1) extends to the inside of the main cabin and the auxiliary cabin respectively, the fire-fighting pipeline (1) is communicated with the corresponding spray pipe (2), and a plurality of wide-angle nozzles (5) are installed on the spray pipe (2); The spray pipe (2) is provided with a smoke sensor (6) on one side, the smoke sensor (6) is provided with a temperature sensor (7) on one side, and the temperature sensor (7) is provided with a flame detector (8) on one side.

2. The human cabin automatic spray system of claim 1, wherein: The electric ball valve (4), the smoke sensor (6), the temperature sensor (7) and the flame detector (8) are connected with the control box (14) through the control cable.

3. The human cabin automatic spray system of claim 2, wherein: The control box (14) is also connected with the warning light (9), and the warning light (9) is installed outside the main cabin and the auxiliary cabin.

4. The human cabin automatic spray system of claim 1, wherein: A filter assembly is installed on the outside of the fire-fighting pipeline (1), wherein the filter assembly comprises a filter box (10), the filter box (10) is installed on the outside of the fire-fighting pipeline (1), and two filter cores (11) are installed in the filter box (10).

5. The human cabin automatic spray system of claim 4, wherein: Two installation grooves (12) are formed on the surface of the filter box (10), and the two installation grooves (12) are both installed with a sealing plate (13) through screws, and the sealing plate (13) is connected with the two filter cores (11).

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