CN110433441B

CN110433441B - Water pressure detection system for fire hydrant

Info

Publication number: CN110433441B
Application number: CN201910769156.9A
Authority: CN
Inventors: 袁宏永; 苏国锋; 金卫东; 巢佰崇; 徐伟
Original assignee: Hefei Kedalian Safety Technology Co ltd
Current assignee: Hefei Kedalian Safety Technology Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-11-20
Anticipated expiration: 2039-08-20
Also published as: CN110433441A

Abstract

The invention discloses a water pressure detection system for a fire hydrant, and relates to the field of fire fighting. The fire hydrant system comprises a water pressure detection unit arranged on a fire hydrant body, a main control module arranged on a control center and a vehicle-mounted terminal arranged on a fire engine; the water pressure detection unit comprises a microprocessor; the microprocessor is respectively connected with the storage module, the power supply module, the detection module, the positioning module and the matching feedback module through the data transmission module; the microprocessor is connected with the main control module through the LoRa communication module; the main control module is connected with an alarm module and a display module through a data transmission module respectively; the matching feedback module is connected with the vehicle-mounted terminal through the wireless communication module; the detection module comprises a pressure sensor, a flow sensor and a displacement sensor. The water pressure detection device for the fire hydrant is simple and reasonable in structural design and convenient to use, effectively improves the detection precision of the water pressure of the fire hydrant, and has high market application value.

Description

Water pressure detection system for fire hydrant

Technical Field

The invention belongs to the field of fire fighting, and particularly relates to a water pressure detection system for a fire hydrant.

Background

A fire hydrant is called fire hydrant formally, is a fixed fire-fighting device and mainly has the functions of controlling combustible substances, isolating combustion-supporting substances, eliminating ignition sources and the like. Therefore, the real-time monitoring of the water pressure of the fire hydrant is very important.

The conventional method for detecting the water pressure of the fire hydrant in the prior art comprises the following steps: 1) the pressure sensor is arranged between the hydrant body and the water inlet of each fire hydrant and connected with the control center through the communication module, and the pressure sensor is only arranged to detect the water pressure change, so that the detection mode is single, and if the pressure sensor is damaged, the water pressure change cannot be known in time; moreover, the water pressure of the fire hydrant is changed due to the fact that the fire fighting water and the fire hydrant are damaged, and therefore people may need to be dispatched to distinguish, and manpower and material resources are wasted; 2) the pressure detector is carried with oneself to the testing personnel and detects each fire hydrant in proper order, and this kind of mode not only wastes manpower and materials, can not learn the water pressure condition in all fire hydrants constantly moreover. Therefore, there is a need to develop a water pressure detecting system for a fire hydrant so as to solve the above problems.

Disclosure of Invention

The invention provides a water pressure detection system for a fire hydrant, and aims to solve the problems in the background technology.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a water pressure detection system for a fire hydrant, which comprises a water pressure detection unit arranged on a fire hydrant body, a main control module arranged in a control center and a vehicle-mounted terminal arranged on a fire engine, wherein the main control module is connected with the vehicle-mounted terminal; the water pressure detection unit comprises a microprocessor, a storage module, a power supply module, a detection module and a positioning module; the microprocessor is respectively connected with the storage module, the power supply module, the detection module and the positioning module through the data transmission module; the microprocessor is connected with the main control module through the LoRa communication module; the main control module is connected with an alarm module and a display module through a data transmission module respectively; the microprocessor is connected with a matching feedback module through a data transmission module; the matching feedback module is connected with the vehicle-mounted terminal through the wireless communication module; the matching feedback module is used for feeding back a matching signal to the control center after the matching signal is successfully matched with the vehicle-mounted terminal; the detection module comprises a pressure sensor, a flow sensor and a displacement sensor.

Furthermore, the main control module is connected with a cloud backup through a data transmission module; the cloud backup is used for backing up the water pressure data of all the fire hydrant bodies.

Furthermore, the displacement sensor is fixedly arranged on the inner top wall of the shell; the shell is of a cylindrical structure; the shell is communicated with a water channel of the fire hydrant body through a bypass pipe; a movable disc is arranged in the shell body in a sliding mode along the axial direction; and a metal sheet corresponding to the position of the displacement sensor is attached to the upper surface of the movable disc.

Furthermore, guide rods are uniformly distributed on one surface of the movable disc in a penetrating manner along the annular direction; the lower end of the guide rod is fixed on the inner bottom wall of the shell; a limiting block is fixed at the upper end of the guide rod; a tension spring is arranged between the limiting block and the movable disc; the tensioning spring is sleeved on the guide rod.

The invention has the following beneficial effects:

the fire hydrant water pressure detection system designed by the invention has the advantages of simple and reasonable structural design and convenience in use, effectively improves the water pressure detection efficiency and effect of the fire hydrant, avoids the waste of manpower and material resources, ensures that a control center knows the water pressure change condition in time, and has higher market application value.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic block diagram of a water pressure detection system for a fire hydrant in accordance with the present invention;

fig. 2 is a schematic structural diagram of the displacement sensor of the present invention mounted on the housing.

In the drawings, the components represented by the respective reference numerals are listed below:

the fire hydrant comprises a fire hydrant body, a displacement sensor 2, a shell 3, a movable disc 4, a metal sheet 5, a guide rod 6, a limiting block 7 and a tension spring 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention is a water pressure detection system for a fire hydrant, including a water pressure detection unit installed on a fire hydrant body 1, a main control module installed in a control center, and a vehicle-mounted terminal installed on a fire truck; the water pressure detection unit comprises a microprocessor, a storage module, a power supply module, a detection module and a positioning module; the microprocessor is respectively connected with the storage module, the power supply module, the detection module and the positioning module through the data transmission module; the detection module comprises a pressure sensor, a flow sensor and a displacement sensor 2; the pressure sensor and the flow sensor are both fixedly arranged on a water path of the fire hydrant body; the microprocessor is connected with the main control module through the LoRa communication module; the main control module is respectively connected with an alarm module and a display module through a data transmission module; the main control module is connected with a cloud backup through a data transmission module; the cloud backup is used for backing up the water pressure data of all the fire hydrant bodies 1;

the microprocessor is connected with a matching feedback module through a data transmission module; the matching feedback module is connected with the vehicle-mounted terminal through the Bluetooth communication module; the matching feedback module is used for feeding back a matching signal to the control center after the matching signal is successfully matched with the vehicle-mounted terminal; when the detection module detects that the fire hydrant body 1 has water pressure change, the matching feedback module is successfully matched with the vehicle-mounted terminal at the same time, which indicates that the water pressure change of the fire hydrant body 1 is generated by fire-fighting water; when detecting module detects fire hydrant body 1 and has water pressure to change, match feedback module simultaneously and not match with vehicle mounted terminal is successful, this water pressure change that shows fire hydrant body 1 has unusually, probably fire hydrant body 1 is destroyed and lead to rivers to gush out and produce, and at this moment, main control module in time differentiates this fire hydrant body 1's position according to the built-in orientation module of fire hydrant body 1 to make things convenient for maintenance personal to maintain.

Wherein, the displacement sensor 2 is fixedly arranged on the inner top wall of a shell 3; the shell 3 is of a cylindrical structure; the shell 3 is communicated with a water channel of the fire hydrant body 1 through a bypass pipe; a movable disc 4 is arranged in the shell 3 along the axial direction in a sliding way; a sealing ring is sleeved on the outer wall of the movable disc 4; the sealing ring is fixedly embedded on the outer wall of the movable disc 4; a metal sheet 5 corresponding to the displacement sensor 2 is attached to the upper surface of the movable disc 4; guide rods 6 are uniformly distributed on one surface of the movable disc 4 in the annular direction in a penetrating manner; a rubber ring is arranged at the joint of the guide rod 6 and the movable disc 4; the guide rod 6 is in sliding fit with the movable disc 4; the lower end of the guide rod 6 is fixed on the inner bottom wall of the shell 3; a limiting block 7 is fixed at the upper end of the guide rod 6; a tension spring 8 is arranged between the limiting block 7 and the movable disc 4; the tension spring 8 is sleeved on the guide rod 6. The displacement sensor 2 is arranged in the shell 3 communicated with the water channel of the fire hydrant body, the movable disc 4 is used for sensing the change of water pressure, so that the sensing state of the displacement sensor 2 is changed, the microprocessor generates a control signal according to the sensing signal and sends the control signal to the main control module through the LoRa communication module, and the control center can know the water pressure condition in real time; be used for carrying out water pressure detection to fire hydrant body 1 through setting up different detection sensor, realize having guaranteed the degree of accuracy and the precision that water pressure detected to water pressure's multiple detection.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The water pressure detection system for the fire hydrant is characterized by comprising a water pressure detection unit arranged on a fire hydrant body (1), a main control module arranged in a control center and a vehicle-mounted terminal arranged on a fire engine;

the water pressure detection unit comprises a microprocessor, a storage module, a power supply module, a detection module and a positioning module; the microprocessor is respectively connected with the storage module, the power supply module, the detection module and the positioning module through the data transmission module;

the microprocessor is connected with the main control module through the LoRa communication module; the main control module is connected with an alarm module and a display module through a data transmission module respectively;

the microprocessor is connected with a matching feedback module through a data transmission module; the matching feedback module is connected with the vehicle-mounted terminal through the wireless communication module; the matching feedback module is used for feeding back a matching signal to the control center after the matching signal is successfully matched with the vehicle-mounted terminal;

the detection module comprises a pressure sensor, a flow sensor and a displacement sensor (2); the pressure sensor and the flow sensor are both fixedly arranged on a water path of the fire hydrant body; the displacement sensor (2) is fixedly arranged on the inner top wall of the shell (3); the shell (3) is of a cylindrical structure; the shell (3) is communicated with a water channel of the fire hydrant body (1) through a bypass pipe; a movable disc (4) is arranged in the shell (3) in a sliding way along the axial direction; the upper surface of the movable disc (4) is attached with a metal sheet (5) corresponding to the position of the displacement sensor (2).

2. The water pressure detection system for a fire hydrant according to claim 1, wherein the main control module is coupled with a cloud backup through a data transmission module; the cloud backup is used for backing up the water pressure data of all the fire hydrant bodies (1).

3. The water pressure detecting system for a fire hydrant according to claim 1, wherein guide rods (6) are uniformly inserted in a surface of the movable disc (4) along a circular direction; the lower end of the guide rod (6) is fixed on the inner bottom wall of the shell (3); a limiting block (7) is fixed at the upper end of the guide rod (6); a tension spring (8) is arranged between the limiting block (7) and the movable disc (4); the tensioning spring (8) is sleeved on the guide rod (6).