CN219149109U

CN219149109U - Intelligent anti-freezing foam hydrant box for tunnel

Info

Publication number: CN219149109U
Application number: CN202320175461.7U
Authority: CN
Inventors: 黄再枫; 梁俊威; 杨彬; 赵开文; 张明鑫
Original assignee: Shanghai Reti Fire Fighting Equipment Co ltd
Current assignee: Shanghai Reti Fire Fighting Equipment Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-09
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses an intelligent antifreezing foam hydrant box for a tunnel, which comprises a box body, openable doors, a foam liquid storage tank, a hose reel, a water inlet pipe, a liquid outlet pipe, a PLC (programmable logic controller) controller, a micro switch, a temperature sensor, an aluminum shell heater and a touch screen, wherein the liquid outlet pipe is coiled on the hose reel, the PLC controller, the micro switch, the temperature sensor, the aluminum shell heater and the touch screen are arranged in the box body, the touch screen is arranged on one door, the micro switch is used for detecting the opening and closing state of the doors, one side of the foam liquid storage tank is provided with an electronic liquid level meter, and the electronic liquid level meter, the micro switch, the touch screen, the temperature sensor and the aluminum shell heater are all electrically connected with the PLC controller which is electrically connected with a tunnel duty control room.

Description

Intelligent anti-freezing foam hydrant box for tunnel

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to an intelligent antifreezing foam hydrant box for a tunnel.

Background

The foam hydrant box is fire-fighting equipment widely applied to places such as tunnels, petrochemical enterprises, oil reservoirs, gas stations, ports and the like, and generally comprises a box body and a door which can be opened and closed, wherein a foam liquid storage tank, a hose reel, a water inlet pipe and a liquid outlet pipe which are arranged in the box body are coiled on the hose reel, and the like.

Disclosure of Invention

The utility model aims to provide an intelligent antifreezing foam hydrant box for a tunnel, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an intelligent anti-freezing foam hydrant case for tunnel, includes box 1 and door 5 that can open and shut, install in foam liquid storage tank 3, hose reel 7, inlet tube 20 in the box 1, coil in drain pipe 8 on the hose reel 7, still including install in PLC controller 2, micro-gap switch 4, temperature sensor 19, aluminum hull heater 13 in the box 1 and install in one of them touch-sensitive screen 6 on door 5, micro-gap switch 4 is used for surveying the open and close state of door 5, electronic level gauge 18 is installed to foam liquid storage tank 3 one side, electronic level gauge 18 micro-gap switch 4 touch-sensitive screen 6 temperature sensor 19 and aluminum hull heater 13 all with PLC controller 2 electricity is connected just PLC controller 2 is connected with tunnel duty control room electricity.

Further, the front end of the liquid outlet pipe 8 is connected with the output end of the proportional mixing valve 9, the tail end of the liquid outlet pipe 8 is connected with the foam gun 17, the water inlet pipe 20 is communicated with the first input end of the proportional mixing valve 9, and the foam liquid storage tank 3 is communicated with the second input end of the proportional mixing valve 9 through the second connecting pipe 21.

Further, a check valve 10 is disposed between the second connection pipe 21 and the second input end of the proportional mixing valve 9.

Further, a first connecting pipe 11 and a four-way joint 14 are arranged between the water inlet pipe 20 and the first input end of the proportional mixing valve 9, the first connecting pipe 11 is vertically arranged, the upper end of the first connecting pipe is communicated with the first input end of the proportional mixing valve 9, the lower end of the first connecting pipe is connected with the upper interface of the four-way joint 14, the water inlet pipe 20 is communicated with the left side interface of the four-way joint 14, a pressure gauge 12 is arranged on the right side interface of the four-way joint 14, a blow-down valve 15 is arranged on the lower interface of the four-way joint 14, and a filter 16 is further arranged between the water inlet pipe 20 and the four-way joint 14.

Further, the pressure gauge 12 is an electronic pressure gauge, and the pressure gauge 12 is electrically connected to the PLC controller 2.

The utility model has the beneficial effects that: the intelligent antifreezing foam hydrant box for the tunnel provided by the utility model can conveniently set the start and stop of the aluminum shell heater to realize intelligent start and stop, namely intelligent heating through the arranged PLC controller, the micro switch, the temperature sensor, the aluminum shell heater, the electronic liquid level meter, the electronic pressure meter and the touch screen, so that the foam stock solution in the foam stock solution storage tank and water in a pipeline in the box body are prevented from freezing, the liquid level condition of the foam stock solution in the foam stock solution storage tank, the opening condition of a door and the water pressure in the pipeline are monitored in real time, and meanwhile, each monitoring signal is remotely transmitted to a tunnel duty control room, so that intelligent inspection is conveniently realized.

Drawings

Fig. 1 is a schematic structural view of an intelligent antifreezing foam hydrant box for a tunnel after a door is removed;

fig. 2 is a schematic structural view of the intelligent antifreezing foam hydrant door for tunnels when closed.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an intelligent anti-freezing foam hydrant box for a tunnel comprises a box body 1 and a door 5 capable of being opened and closed, a foam liquid storage tank 3, a hose reel 7 and a water inlet pipe 20 which are arranged in the box body 1, a liquid outlet pipe 8 which is coiled on the hose reel 7, a PLC controller 2, a micro switch 4, a temperature sensor 19, an aluminum shell heater 13 and a touch screen 6 which is arranged on one door 5 which are arranged in the box body 1, wherein the micro switch 4 is used for detecting the opening and closing state of the door 5, an electronic liquid level meter 18 is arranged on one side of the foam liquid storage tank 3, the electronic liquid level meter 18, the micro switch 4, the touch screen 6, the temperature sensor 19 and the aluminum shell heater 13 are all electrically connected with the PLC controller 2, and the PLC controller 2 is electrically connected with a tunnel duty control room, and the intelligent foam liquid storage tank can be conveniently set to realize intelligent foam liquid stopping, namely, the intelligent liquid filling and the intelligent liquid storage tank can be prevented from being stopped by opening and closing the foam liquid, the foam liquid storage tank can be conveniently monitored, and the water can be conveniently monitored and the situation can be monitored in real time by the pipeline can be saved, and the intelligent liquid can be monitored, and the situation can be monitored and the control room can be controlled by the control room on duty.

Preferably, the front end of the liquid outlet pipe 8 is connected with the output end of the proportional mixing valve 9, the tail end of the liquid outlet pipe 8 is connected with the foam gun 17, the water inlet pipe 20 is communicated with the first input end of the proportional mixing valve 9, the foam liquid storage tank 3 is communicated with the second input end of the proportional mixing valve 9 through the second connecting pipe 21, and when the fire-fighting operation is performed, the foam stock solution supplied by the foam liquid storage tank 3 and the water supplied by the water inlet pipe 20 are mixed into fire-fighting liquid according to a set proportion through the action of the proportional mixing valve 9, and the fire-fighting liquid is sprayed out by the foam gun 17.

Preferably, a one-way valve 10 is arranged between the second connecting pipe 21 and the second input end of the proportional mixing valve 9 to prevent pressurized water in the water inlet pipe 20 from entering the foam liquid storage tank 3.

Preferably, a first connecting pipe 11 and a four-way joint 14 are arranged between the water inlet pipe 20 and the first input end of the proportional mixing valve 9, the first connecting pipe 11 is vertically arranged, the upper end of the first connecting pipe is communicated with the first input end of the proportional mixing valve 9, the lower end of the first connecting pipe is connected with the upper interface of the four-way joint 14, the water inlet pipe 20 is communicated with the left side interface of the four-way joint 14, the pressure gauge 12 is arranged on the right side interface of the four-way joint 14, a blow-down valve 15 is arranged on the lower interface of the four-way joint 14, and the blow-down valve 15 is lower than the hose reel 7, so that water in a pipeline can be conveniently contained and then is completely discharged; a filter 16 is further arranged between the water inlet pipe 20 and the four-way joint 14, and impurities are prevented from entering the blocking foam gun 17 through the filter 16, so that the normal fire-fighting and fire-extinguishing work is ensured.

Preferably, the pressure gauge 12 is an electronic pressure gauge, and the pressure gauge 12 is electrically connected with the PLC controller 2, and is used for monitoring the water pressure in the pipeline in real time.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent anti-freezing foam hydrant case for tunnel, includes box (1) and door (5) that can open and shut, install in foam liquid storage tank (3), hose reel (7), inlet tube (20) in box (1), coil in drain pipe (8) on hose reel (7), its characterized in that: still including install in PLC controller (2), micro-gap switch (4), temperature sensor (19), aluminum hull heater (13) and install in one of them touch-sensitive screen (6) on door (5) in box (1), micro-gap switch (4) are used for surveying the state of opening and close of door (5), electron level gauge (18) have been installed to foam liquid storage tank (3) one side, electron level gauge (18 micro-gap switch (4) touch-sensitive screen (6) temperature sensor (19) and aluminum hull heater (13) all with PLC controller (2) electricity is connected just PLC controller (2) are connected with tunnel control room electricity on duty.

2. The intelligent anti-freezing foam hydrant box for tunnels according to claim 1, wherein: the front end of the liquid outlet pipe (8) is connected with the output end of the proportional mixing valve (9), the tail end of the liquid outlet pipe (8) is connected with the foam gun (17), the water inlet pipe (20) is communicated with the first input end of the proportional mixing valve (9), and the foam liquid storage tank (3) is communicated with the second input end of the proportional mixing valve (9) through a second connecting pipe (21).

3. The intelligent anti-freezing foam hydrant box for tunnels according to claim 2, which is characterized in that: a one-way valve (10) is arranged between the second connecting pipe (21) and the second input end of the proportional mixing valve (9).

4. The intelligent anti-freezing foam hydrant box for tunnels according to claim 3, wherein: the utility model discloses a proportional mixing valve, including proportional mixing valve (9) and inlet tube (20), inlet tube (20) with be equipped with first connecting tube (11) and cross connection (14) between the first input of proportional mixing valve (9), first connecting tube (11) vertical setting and its upper end with the first input intercommunication of proportional mixing valve (9), the lower extreme with the last interface connection of cross connection (14), inlet tube (20) with the left side interface intercommunication of cross connection (14), manometer (12) have been installed to the right side interface of cross connection (14), blow off valve (15) are installed to the lower interface of cross connection (14), inlet tube (20) with filter (16) have still been installed between cross connection (14).

5. The intelligent anti-freezing foam hydrant box for tunnels according to claim 4, wherein: the pressure gauge (12) is an electronic pressure gauge, and the pressure gauge (12) is electrically connected with the PLC (2).