CN212090647U

CN212090647U - Intelligent fire hydrant

Info

Publication number: CN212090647U
Application number: CN202020474621.4U
Authority: CN
Inventors: 袁宏永; 苏国锋; 巢佰崇; 周扬; 杨广; 王务军; 乔维
Original assignee: Hefei Kedalian Safety Technology Co ltd
Current assignee: Hefei Kedalian Safety Technology Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-08
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to an intelligent fire hydrant, which comprises a fire hydrant body and a water parameter monitoring system; the fire hydrant body comprises a lower valve body; an accommodating cavity is integrally formed on the outer wall of the lower valve body; the water parameter monitoring system is arranged in the accommodating cavity. The utility model discloses an integrated into one piece holding chamber on the valve body outer wall down, the monitoring system of being convenient for install, greatly reduced cost when realizing the fire hydrant is intelligent.

Description

Intelligent fire hydrant

Technical Field

The utility model relates to a fire-fighting equipment technical field is an intelligent fire hydrant particularly.

Background

Based on the development of the internet of things, the intelligent fire hydrant is more and more widely applied. The intelligent fire hydrant is mainly used for monitoring the water consumption condition of the fire hydrant. The existing fire hydrant adopts separated monitoring, namely a water parameter monitoring system is additionally arranged on the traditional fire hydrant. The technology consumes long time for the reconstruction and installation of the fire hydrant, so that the construction cost is higher than the equipment cost. And for the fire hydrant which is close to the replacement stage, the water parameter monitoring system is installed in a modified mode, so that the fire hydrant is an uneconomical option. Therefore, for the fire hydrant needing to be replaced and the new development area needing to be provided with the municipal fire-fighting system, an economical and practical intelligent fire hydrant is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in how to reduce the construction degree of difficulty of intelligent fire hydrant, reduces construction cost.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

an intelligent fire hydrant comprises a fire hydrant body and a water parameter monitoring system (3); the fire hydrant body comprises a lower valve body (2); an accommodating cavity is integrally formed on the outer wall of the lower valve body (2); the water parameter monitoring system (3) is arranged in the accommodating cavity.

The utility model discloses an integrated into one piece holding chamber on the valve body outer wall down, the monitoring system of being convenient for install, greatly reduced cost when realizing the fire hydrant is intelligent. Preferably, a bottom cover (311) is integrally formed on the outer wall of the lower valve body (2), and the bottom cover (311) and the outer wall of the lower valve body (2) form the accommodating cavity; further comprising a protective cover (312); the protective cover (312) is detachably fixed on the bottom cover.

Preferably, the water parameter monitoring system (3) comprises a hydrophone (36); the hydrophone (36) is fixed on the outer wall of the lower valve body (2) in the accommodating cavity.

Preferably, a power supply (33) and a monitoring control module (32) are further fixed in the accommodating cavity; the power supply (33) is electrically connected with the monitoring control module (32) and the hydrophone (36); the hydrophone (36) is in communication connection with the monitoring control module (32); the monitoring control module (32) is in communication connection with the user side.

Preferably, the water parameter monitoring system (3) further comprises a flow sensor (34); a first blind hole is formed in the wall of the lower valve body (2); the first blind hole is positioned in the accommodating cavity and below the valve plate (22) of the lower valve body (2); the collecting probe of the flow sensor (34) penetrates through the first blind hole to be fixed on the inner wall of the lower valve body (2) and is located at the blind end of the first blind hole, and the collecting end of the flow sensor (34) is limited in the first blind hole and is in communication connection with the monitoring control module (32).

Preferably, the water parameter monitoring system (3) further comprises a water pressure sensor (35); the side wall of the lower valve body (2) is also provided with a first through hole, the first through hole is positioned in the accommodating cavity and below the valve plate of the lower valve body (2), and the water pressure sensor (35) is hermetically mounted on the first through hole; the water pressure sensor (35) is in communication connection with the monitoring control module (32).

Preferably, the water parameter monitoring system (3) further comprises a wireless transmission module; the monitoring control module (32) is communicated with the user side through a wireless transmission module; the hydrophone, the opening and closing inductor (37), the flow sensor (34) and the water pressure sensor (35) are in communication connection with the monitoring control module (32) through the wireless transmission module.

Preferably, the power supply is sealed by pouring glue into the inner cavity of the protective cover (312); the monitoring control module (32), the flow sensor (34), the water pressure sensor (35) and the hydrophone (36) are fixed in the bottom cover (311).

Preferably, the device also comprises a plurality of opening and closing sensors (37); the fire hydrant body comprises an upper cover (11) and a water outlet (12); a top cover (13) is fixed on the upper cover (11), and a blank cover (14) is plugged on the water outlet (12); an opening and closing sensor (37) is arranged between the upper cover (11) and the top cover (13) and between the water outlet (12) and the blank cover (14); the opening and closing sensor (37) is in communication connection with the monitoring control module (32).

Preferably, stifle (14) extend towards the cylinder level and protect lid (141), and the spacing groove has been seted up to one side that protection lid (141) are towards delivery port (12) pipe wall, and metal detection body (371) is spacing in protection lid (141).

The utility model has the advantages that:

the utility model adopts the integrally formed holding cavity on the outer wall of the lower valve body, which is convenient for installing the monitoring system, and greatly reduces the cost while realizing the intellectualization of the fire hydrant;

the bottom cover is integrally formed outside the fire hydrant body, and the bottom cover and the protective cover are detachably fixed, so that the water parameter monitoring system is convenient to overhaul and is protected from being influenced by the external environment;

the utility model adopts the structure that the water listening device is arranged on the outer wall of the lower valve body, the fire hydrant and the nearby pipe network are monitored at any time to collect the underwater sound, the leakage condition caused by the damage of the pipeline is monitored in real time, the damage range is determined, and the maintenance cost is reduced;

collect power and monitoring control module in the guard shield, multi-parameter monitoring such as pressure, flow and underwater sound monitoring in an organic whole satisfies the monitoring of each aspect of fire hydrant, and through wireless transmission module, when realizing wireless transmission, supports local wireless debugging, and is intelligent higher.

The opening and closing sensor is adopted to monitor the water outlet and the top of the fire hydrant, and the alarm can be given in time when the fire hydrant is abnormally opened, so that the use state of the fire hydrant can be monitored in real time.

Particularly, a protective cover is additionally arranged on the blank cap, the opening and closing sensor is limited in the protective cover, the detection purpose is achieved by utilizing the metal pipe body of the water outlet, the structural design is ingenious, and the maintenance is easy.

Drawings

Fig. 1 is a schematic view of the overall structure of an intelligent fire hydrant in an embodiment of the present invention;

fig. 2 is a schematic structural view of a lower valve body and a water parameter monitoring system in an embodiment of the present invention;

fig. 3 is a schematic structural view of the embodiment of the present invention after the protective cover is opened;

fig. 4 is a schematic sectional structure diagram of a water parameter monitoring system according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of another depth of the water parameter monitoring system according to the embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of the top of the column body 1 according to the embodiment of the present invention;

fig. 7 is a schematic view of the cross-sectional structure of the water outlet in the embodiment of the present invention;

fig. 8 is a schematic structural view of the opening/closing sensor and the wall of the water outlet pipe after the cap is fixedly matched with the water outlet in the embodiment of the present invention.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the present embodiment provides an intelligent fire hydrant, which includes a fire hydrant body and a water parameter monitoring system 3; the fire hydrant body comprises a column body 1 and a lower valve body 2 installed at the bottom end of the column body 1, and the lower valve body 2 is connected with an underground fire-fighting pipe network through a lower valve body flange 21. And a water parameter monitoring system 3 is fixed on the outer wall of the lower valve body 2.

As shown in fig. 3, 4 and 5, a bottom cover 311 is integrally formed on an outer wall of the lower valve body 2 to form an accommodating chamber for accommodating the water parameter monitoring system 3, and a protective cover 312 is detachably fixed on the bottom cover to protect the water parameter monitoring system 3. In this embodiment, the bottom cover 311 and the protection cover 312 are detachably and fixedly engaged to form an accommodating cavity. The bottom cover 311 and the protection cover 312 have installation cavities of a certain capacity, respectively. The protective cover 312 and the bottom cover 311 are both provided with mounting skirts 310, and mounting holes are correspondingly formed in the mounting skirts 310; the protective cover 312 and the bottom cover 311 are fixed by screws in a sealing manner. In order to improve the sealing effect, a sealing ring and a stainless steel ring (not shown) are further disposed between the protective cover 312 and the bottom cover 311.

The water parameter monitoring system 3 further comprises a monitoring control module 32, a high-energy battery 33, a flow sensor 34, a water pressure sensor 35, a hydrophone 36 and a wireless transmission module. The monitoring control module 32 is in communication connection with the user side through the wireless transmission module. A high-energy battery 33 supplies power to the entire monitoring system. The flow sensor 34, the water pressure sensor 35 and the hydrophone 36 are all in communication connection with the monitoring and control module 32.

In this embodiment, the high-energy battery 33 is sealed in the inner cavity of the protective cover 312 by potting; the monitoring control module 32, the flow sensor 34, the water pressure sensor 35 and the hydrophone 36 are fixed in the bottom cover 311. The specific fixed knot constructs and is:

wherein, the monitor control module 32 is fixed on the bottom wall of the bottom cover 311 by screws.

The side wall of the lower valve body 2 is provided with a first blind hole and a first through hole, the turbine probe 341 of the flow sensor 34 is positioned at the blind end of the first blind hole in the lower valve body 2 and below the valve plate 22 of the lower valve body 2, and the sensor is limited in the first blind hole and is in wireless communication connection with the monitoring control module 32. The wall thickness of the blind end of the first blind hole is designed to meet the distance of the Hall effect. The probe of the water pressure sensor 35 extends into the lower valve body 2 through the first through hole and is positioned below the valve plate 22 of the lower valve body 2. And the probes of the water pressure sensor 35 are sealed by sealing materials after penetrating through the first through holes. In this embodiment, the flow sensor 34 is located above the water pressure sensor 35, so as to avoid the influence of the rotation of the turbine probe on the water pressure monitoring. The first blind hole and the first through hole may be integrally formed with the lower valve body.

A thickened area is integrally formed on the side wall of the lower valve body 2 and is positioned in the protective cover 312, a second blind hole is formed in the thickened area, one end facing the interior of the lower valve body is a blind end, and a probe of the hydrophone 36 extends into the second blind hole. The detection accuracy can be improved due to the thin blind end wall of the second blind hole, and the thickened area enables the length of the second blind hole to meet the fixing requirement of the hydrophone 36.

In this embodiment, first blind hole, first through-hole all can be seted up in the thickening region to in sealed and satisfy the fixed demand of components and parts.

As shown in fig. 6 and 7, in the present embodiment, the intelligent fire hydrant further includes a plurality of on-off sensors 37. The column body 1 comprises an upper cover 11 and a water outlet 12; the upper cover 11 is fixed with a top cover 13, and the water outlet 12 is plugged with a blank cover 14. A limiting groove is integrally formed at the position between the upper cover 11 and the top cover 13 corresponding to the blank cover; the open/close sensor 37 is a proximity switch, but it is needless to say that other open/close sensors having the same function may be used. In the proximity switch used in the top cover 13 of this embodiment, the metal detector 371 and the sensed metal 372 are respectively fixed in the limit groove.

In this embodiment, as shown in fig. 7, the fixing structure of the opening/closing sensor 37 fixed on the blank cap 14 is different from that of the top cap 13, specifically: a protection cover 141 extends from the cover body of the blank cap 14 along the axial direction of the blank cap 14, a limit groove is formed in one surface of the protection cover 141 facing the wall of the water outlet pipe, and the metal detection body 371 is limited in the limit groove of the protection cover 141. Therefore, the blank cap is designed into an intelligent proximity switch type blank cap, and whether the blank cap 14 is installed on the water outlet 12 of the fire hydrant can be effectively detected in real time. As shown in fig. 8, after the blank cap 14 is plugged in the water outlet, the protective cap extends to the surface of the water outlet pipe, and the pipe wall of the water outlet pipe is made of metal, so as to form the metal to be tested of the metal test body 371. The protective cover 141 may be formed integrally with the lid 14, or may be a separate body and fixed to the lid 14 by screws. In this embodiment, a screw fixing manner is adopted, specifically, a clamping groove is formed on a side wall of the blank cap 14, a screw hole is formed on the clamping groove, the protective cover 141 is substantially in a rectangular parallelepiped structure and is limited in the clamping groove, a screw hole corresponding to a screw hole in the clamping groove is formed on the protective cover 141, and screws sequentially pass through the screw holes of the protective cover 141 and the clamping groove to be screwed and fixed.

In this embodiment, the opening/closing sensor 37 is in communication connection with the monitoring control module 32 through a wireless module. When the lid 13 and the flap 14 are opened, an alarm is given.

In this embodiment, the specific performance of each monitoring unit is as follows:

1. pressure measurement

The water pressure sensor is a pressure sensor which is commonly used in industrial practice, and is widely applied to various industrial automation environments, hydraulic and hydroelectric engineering, traffic and building equipment, production automatic control systems, aerospace technologies, ship technologies, conveying pipelines and other areas.

The core body of the water pressure sensor usually adopts diffused silicon, and the working principle is that the pressure of the measured water pressure directly acts on the diaphragm of the sensor, so that the diaphragm generates micro displacement which is in direct proportion to the water pressure, the resistance value of the sensor is changed, the change is detected by an electronic circuit, and a standard measuring signal corresponding to the pressure is converted and output.

The diffused silicon hydraulic sensor has the characteristics of high measurement precision, small temperature influence, good linearity, small volume, good impact resistance and the like.

2. Flow sensor

The impeller type flowmeter has the working principle that an impeller is placed in a measured fluid and rotates under the impact of the flowing of the fluid, and the flow rate is reflected by the rotation speed of the impeller. Typical impeller-type flow meters are water meters and turbine flow meters, which may be configured in either a mechanical drive output or an electrical pulse output.

The impeller type flow sensor has the characteristics of simple structure, good stability, good repeatability, wide measurement range and the like.

3. Hydrophone

The underwater acoustic device series product is an industrial grade remote sound level meter, is designed for monitoring and detecting noise of industrial fields or noise sources, and has the advantages of small volume, light weight and flexible installation. The audio frequency measuring range covers all frequencies which can be heard by human ears, and the monitored sound pressure range meets all requirements in national noise management standards.

The device is internally provided with a high-sensitivity sensor, a preamplifier, a weighting network, a sound calibration device and data signal conditioning for on-site sound signal acquisition and processing, the measured sound pressure level can be output according to RS-485 and 4-20mA analog quantity standards, and the transmission distance is more than 1 km.

The underwater sound measuring system is conveniently connected with a PC, a PLC and various data transmission modules. The method is an ideal choice for noise quantitative analysis, sound source positioning, noise control and acoustic research of various noise sources.

4. Opening and closing sensor (approach switch)

The proximity switch is also called contactless proximity switch, and is an ideal electronic switching value sensor. When the metal detection body approaches to the induction area of the switch, the switch can send out an electric command rapidly without contact, pressure and spark, and accurately reflect the position and the stroke of the motion mechanism. It is widely used in machine tool, metallurgy, chemical industry, light textile and printing industries. The automatic control system can be used as the links of limiting, counting, positioning control, automatic protection and the like.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an intelligence fire hydrant which characterized in that: comprises a fire hydrant body and a water parameter monitoring system (3); the fire hydrant body comprises a lower valve body (2); an accommodating cavity is integrally formed on the outer wall of the lower valve body (2); the water parameter monitoring system (3) is arranged in the accommodating cavity.

2. The intelligent fire hydrant in claim 1, wherein: the water parameter monitoring system (3) comprises a hydrophone (36); the hydrophone (36) is fixed on the outer wall of the lower valve body (2) in the accommodating cavity.

3. The intelligent fire hydrant in claim 2, wherein: a power supply (33) and a monitoring control module (32) are also fixed in the accommodating cavity; the power supply (33) is electrically connected with the monitoring control module (32) and the hydrophone (36); the hydrophone (36) is in communication connection with the monitoring control module (32); the monitoring control module (32) is in communication connection with the user side.

4. The intelligent fire hydrant in claim 3, wherein: the water parameter monitoring system (3) further comprises a flow sensor (34); a first blind hole is formed in the wall of the lower valve body (2); the first blind hole is positioned in the accommodating cavity and below the valve plate (22) of the lower valve body (2); the collecting probe of the flow sensor (34) is fixed on the inner wall of the lower valve body (2) and at the blind end of the first blind hole, and the sensing end of the flow sensor (34) is limited in the first blind hole and is in communication connection with the monitoring control module (32).

5. The intelligent fire hydrant in claim 4, wherein: the water parameter monitoring system (3) further comprises a water pressure sensor (35); the side wall of the lower valve body (2) is also provided with a first through hole, the first through hole is positioned in the accommodating cavity and below the valve plate of the lower valve body (2), and the water pressure sensor (35) is hermetically mounted on the first through hole; the water pressure sensor (35) is in communication connection with the monitoring control module (32).

6. The intelligent fire hydrant in claim 5, wherein: the water parameter monitoring system (3) further comprises a wireless transmission module; the monitoring control module (32) is communicated with the user side through a wireless transmission module; the hydrophone (36), the opening and closing sensor (37), the flow sensor (34) and the water pressure sensor (35) are in communication connection with the monitoring control module (32) through the wireless transmission module.

7. The intelligent fire hydrant in claim 6, wherein: a bottom cover (311) is integrally formed on the outer wall of the lower valve body (2), and the bottom cover (311) and the outer wall of the lower valve body (2) form the accommodating cavity; further comprising a protective cover (312); the protective cover (312) is detachably fixed on the bottom cover (311).

8. The intelligent fire hydrant in claim 7, wherein: a glue-pouring sealed power supply is arranged in the inner cavity of the protective cover (312); the monitoring control module (32), the flow sensor (34), the water pressure sensor (35) and the hydrophone (36) are fixed in the bottom cover (311).

9. The intelligent fire hydrant in claim 3, wherein: also comprises a plurality of open-close inductors (37); the fire hydrant body comprises an upper cover (11) and a water outlet (12); a top cover (13) is fixed on the upper cover (11), and a blank cover (14) is plugged on the water outlet (12); an opening and closing sensor (37) is arranged between the upper cover (11) and the top cover (13) and between the water outlet (12) and the blank cover (14); the opening and closing sensor (37) is in communication connection with the monitoring control module (32).

10. The intelligent fire hydrant in claim 9, wherein: stifle (14) extend a protective cover (141) towards the cylinder level, and the spacing groove has been seted up towards one side of delivery port (12) pipe wall in protective cover (141), and metal detection body (371) is spacing in protective cover (141).