II-type intelligent underground fire hydrant
By integrating a variety of monitoring devices and communication technologies on underground fire hydrants, the problem of number and location management of underground fire hydrants is solved, real-time monitoring and alarm are achieved, and the reliability and safety of fire protection facilities are ensured.
Patent Information
- Application Number
- CN202420657692.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing underground fire hydrants are huge and difficult to manage, and there is difficulty in using illegally and measuring water. They cannot monitor the pressure and use of pipelines in real time, and cannot be repaired in time when damaged.
A type II intelligent underground fire hydrant was designed, integrating a muffled cover monitoring device, a valve stem monitoring device, a pipeline monitoring device, an ultrasonic monitoring device, an immersion monitoring device, a wireless communication device and a control device, and connecting these devices through the Internet of Things technology. Real-time monitoring and uploading data to realize the management and alarm of the location, pressure, water consumption and status of the fire hydrant.
It realizes accurate positioning and management of underground fire hydrants, monitors pipeline pressure and water use in real time, prevents illegal use, detects abnormalities in a timely manner and calls an alarm, ensuring the reliable operation and maintenance of fire hydrants.
Smart Images

Figure CN222227442U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of the present disclosure belong to the technical field of fire hydrants, and specifically relate to a type II intelligent underground fire hydrant. Background Art
[0002] Fire hydrants are fixed fire-fighting facilities, and their main functions are to control combustibles, isolate combustion-supporting materials, and eliminate ignition sources. Fire-fighting systems include outdoor and indoor fire hydrant systems, as well as automatic sprinkler systems, water cannon systems, and gas fire-fighting systems. Fire hydrant kits are generally composed of fire boxes, fire hoses, water guns, connectors, plugs, and clips, and are mainly used by fire trucks to take water from the municipal water supply network or the outdoor fire water supply network to implement fire fighting. The underground fire hydrant system is also one of the important fire-fighting facilities for fighting fires.
[0003] In order to ensure the fire safety of the city, underground fire hydrants are installed during the urban construction process. The existing underground fire hydrants have the following problems: the number is huge, the number and exact location cannot be determined and cannot be managed. There are illegal use and theft of water. The pipeline pressure cannot be known under working conditions, and the normal water supply cannot be ensured when using fire water. Secondly, the pressure of the pipeline network cannot be judged. The water consumption for fire water, flushing pipes or illegal use cannot be measured or distinguished. If the underground fire hydrant is damaged, no one knows and it cannot be repaired in the first time.
[0004] Therefore, how to solve the above problems has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the invention
[0005] The embodiments of the present disclosure aim to solve at least one of the technical problems existing in the prior art and provide a type II intelligent underground fire hydrant.
[0006] One aspect of an embodiment of the present disclosure provides a type II intelligent underground fire hydrant, including:
[0007] A fire hydrant body, and a cap monitoring device, a valve stem monitoring device, a pipe network monitoring device, an ultrasonic monitoring device, a water immersion monitoring device, a first wireless communication device, a wired communication device, and a control device arranged on the fire hydrant body;
[0008] The cover monitoring device is connected to the control device via the first wireless communication device; the valve stem monitoring device, the water immersion monitoring device, the pipe network monitoring device and the ultrasonic monitoring device are respectively connected to the control device via the wired communication device; the control device is connected to the second wireless communication device; wherein the water immersion alarm information monitored by the water immersion monitoring device is uploaded to the server module via the second wireless communication device.
[0009] Furthermore, it also includes:
[0010] A hydroacoustic monitoring device is arranged on the fire hydrant body; the hydroacoustic monitoring device is connected to the wired communication device, and the hydroacoustic monitoring device is used to monitor hydroacoustic information.
[0011] Optionally, the hydroacoustic monitoring device includes a hydrophone or a noise sensor.
[0012] Furthermore, it also includes:
[0013] A tilt monitoring device is arranged on the fire hydrant body; the tilt monitoring device is connected to the wired communication device, and the tilt monitoring device is used to monitor the horizontal state of the fire hydrant.
[0014] Optionally, the tilt monitoring device includes a tilt sensor; the water immersion monitoring device includes a water immersion sensor.
[0015] Furthermore, it also includes:
[0016] A temperature monitoring device is arranged on the fire hydrant body; the temperature monitoring device is connected to the wired communication device, and the temperature monitoring device is used to monitor the temperature in the pipe network.
[0017] Optionally, the cover monitoring device includes a first cover monitoring unit and a second cover monitoring unit provided at the upper end of the fire hydrant body;
[0018] Wherein, a first blind cover and a second blind cover are provided on the fire hydrant body; the first blind cover is used to cover the first blind cover monitoring unit, and the second blind cover is used to cover the second blind cover monitoring unit.
[0019] Optionally, the first wireless communication device includes a Lora wireless transmission component; and the second wireless communication device includes a NB-lot wireless transmission component.
[0020] Optionally, the valve stem monitoring device includes a water immersion switch; the pipe network monitoring device includes a pressure sensor; the ultrasonic monitoring device includes an ultrasonic flow meter; and the wired communication device includes a data line wired transmission component.
[0021] Optionally, the temperature monitoring device includes a temperature sensor; wherein the temperature monitoring device and the pipe network monitoring device are designed as an integrated whole.
[0022] The beneficial effects of the embodiments of the present disclosure include:
[0023] The utility model sets the electronic tag of the fire hydrant body through the control device, and each electronic tag stores the identity information of the fire hydrant body, including the unique code of the identity information, specification model, installation time and geographical location, etc., and uploads the identity information to the fire hydrant monitoring and management system for easy management. Moreover, after the fire hydrant body is installed, the geographical location information will be saved in the intelligent fire hydrant monitoring and management system and presented in the form of a map, so that the location information of the fire hydrant body is clear at a glance.
[0024] The utility model can monitor the pressure data in the pipe network in real time by installing a pressure sensor on the fire hydrant body, and can also statistically analyze the pressure data to make a pressure curve. Secondly, it also has the function of upper and lower pressure limit alarms, which triggers an alarm when the set pressure constant value is exceeded.
[0025] The utility model can monitor whether there is water passing through or remaining in the fire hydrant cavity by installing a water immersion switch and / or an ultrasonic monitoring device inside the fire hydrant body, so as to determine whether someone has illegally opened the fire hydrant. This technology can also be used to determine whether the automatic drain valve of the fire hydrant body is working, thereby avoiding the problem that impurities and other substances inside the fire hydrant body block the water outlet of the automatic drain valve, causing the water to be unable to drain automatically and unknown to the public.
[0026] The utility model can complete the water consumption statistics of the fire hydrant body and calculate the instantaneous flow rate of the current water consumption by being equipped with an ultrasonic flow meter.
[0027] The utility model adopts the Internet of Things technology to connect multiple monitoring devices together, and completes the transmission of data and signals through Lora wireless transmission components, data line wired transmission components and NB-lot wireless transmission components. Once all sensing monitoring devices detect abnormalities, they will report to the intelligent fire hydrant monitoring system in the shortest time, truly achieving early detection and early resolution. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a schematic diagram of the explosion structure of a type II intelligent underground fire hydrant according to an embodiment of the present disclosure;
[0029] Figure 2 A schematic diagram of the composition of a type II intelligent underground fire hydrant according to another embodiment of the present disclosure;
[0030] Figure 3 This is a schematic diagram of the composition of a Type II intelligent underground fire hydrant according to another embodiment of the present disclosure.
[0031] In the figure, 1. fire hydrant body; 2. cover monitoring device; 3. valve stem monitoring device; 4. pipe network monitoring device; 5. ultrasonic monitoring device; 6. water immersion monitoring device; 7. first wireless communication device; 8. wired communication device; 9. control device; 10. second wireless communication device; 11. hydroacoustic monitoring device; 12. tilt monitoring device; 13. temperature monitoring device; 14. first cover; 15. second cover; 21. first cover monitoring unit; 22. second cover monitoring unit. DETAILED DESCRIPTION
[0032] In order to enable those skilled in the art to better understand the technical solution of the present disclosure, the present disclosure is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0033] The following is a further detailed description of the implementation methods of the present application in conjunction with the accompanying drawings and examples. The detailed descriptions and drawings of the following examples are used to illustrate the principles of the present application, but cannot be used to limit the scope of the present application, that is, the present application is not limited to the described embodiments. In the description of the present application, it should be noted that, unless otherwise specified, the meaning of "multiple" is more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inside", "outside", etc. is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. "Vertical" is not vertical in the strict sense, but within the error tolerance range. "Parallel" is not parallel in the strict sense, but within the error tolerance range.
[0034] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.
[0035] like Figure 1-3 As shown, a type II intelligent underground fire hydrant includes a fire hydrant body 1, and a cover monitoring device 2, a valve stem monitoring device 3, a pipe network monitoring device 4, an ultrasonic monitoring device 5, a water immersion monitoring device 6, a first wireless communication device 7, a wired communication device 8 and a control device 9 arranged on the fire hydrant body 1. The water immersion monitoring device 6 is used to monitor whether the fire hydrant body 1 leaks, and send the monitoring data to the control device 9 to upload to the server module.
[0036] The cover monitoring device 2 is connected to the control device 9 via the first wireless communication device 7. The valve stem monitoring device 3, the water immersion monitoring device 6, the pipe network monitoring device 4 and the ultrasonic monitoring device 5 are respectively connected to the control device 9 via the wired communication device 8, and the control device 9 is connected to the second wireless communication device 10. Among them, the water immersion alarm information monitored by the water immersion monitoring device 6 is uploaded to the server module via the second wireless communication device 10.
[0037] In the present disclosure, by setting up a cover monitoring device 2, a valve stem monitoring device 3, a pipe network monitoring device 4, an ultrasonic monitoring device 5 and a water immersion monitoring device 6, the working conditions such as the cover, valve stem, pressure in the pipe network and water leakage of the fire hydrant can be monitored, thereby ensuring the working reliability of the fire hydrant.
[0038] Furthermore, the water immersion monitoring device 6 is arranged in the housing of the control device 9 and can monitor whether water leakage occurs in the housing.
[0039] In some embodiments, the fire hydrant further includes a hydroacoustic monitoring device 11, which is disposed on the fire hydrant body 1, and is connected to the wired communication device 8, and is used to monitor hydroacoustic information. Further, the hydroacoustic monitoring device 11 is disposed on the body of the ultrasonic monitoring device 5, and is used to monitor the hydroacoustic information when the fire hydrant body 1 is using water, so as to monitor whether a blockage occurs. Further, the ultrasonic monitoring device 5 can also monitor whether there is water passing through the inside of the fire hydrant cavity, so as to determine whether someone has illegally opened the fire hydrant.
[0040] In some embodiments, the water acoustic monitoring device 11 includes a hydrophone or a noise sensor. The hydrophone and the noise sensor are used to determine the leakage of the pipeline between two fire hydrants.
[0041] In some embodiments, the fire hydrant further includes a tilt monitoring device 12, which is disposed on the fire hydrant body 1. The tilt monitoring device 12 is connected to the wired communication device 8, and the tilt monitoring device 12 is used to monitor the horizontal state of the fire hydrant. Specifically, the tilt monitoring device 12 is integrated into the control device 9. By monitoring the horizontal posture of the fire hydrant body 1 through the tilt monitoring device 12, it can be determined whether the fire hydrant is damaged or moved, so that an inspection warning can be performed.
[0042] In some embodiments, the tilt monitoring device 12 includes a tilt sensor, and the flood monitoring device 6 includes a flood sensor. The flood sensor is used to warn the water level of the well where the fire hydrant is installed, and an alarm can be triggered when the water level reaches the flood sensor. It can also monitor whether the housing 91 has water ingress and trigger a flood warning to remind maintenance personnel to perform on-site maintenance.
[0043] In some embodiments, the fire hydrant further includes a temperature monitoring device 13, which is disposed on the fire hydrant body 1. The temperature monitoring device 13 is connected to the wired communication device 8, and is used to monitor the temperature in the pipe network.
[0044] In some embodiments, the temperature monitoring device 13 includes a temperature sensor, wherein the temperature monitoring device 13 is designed as an integrated unit with the pipe network monitoring device 4. The temperature monitoring device 13 can monitor the working state of the pipe network monitoring device 4. When the working temperature of the pipe network monitoring device 4 rises abnormally, the temperature monitoring device 13 can provide an early warning and timely maintenance.
[0045] In some embodiments, the cover monitoring device 2 includes a first cover monitoring unit 14 and a second cover monitoring unit 15 disposed at the upper end of the fire hydrant body 1. The fire hydrant body 1 is provided with a first cover 14 and a second cover 15, wherein the first cover 14 is used to cover the first cover monitoring unit 14, and the second cover 15 is used to cover the second cover monitoring unit 15.
[0046] In some embodiments, the first wireless communication device 7 includes a Lora wireless transmission component, and the second wireless communication device 10 includes a NB-lot wireless transmission component. The second wireless communication device 10 is installed on a manhole cover at a fire hydrant.
[0047] In the present disclosure, the intelligent underground fire hydrant is installed underground, wherein the intelligent fire hydrant transmits the signal of each monitoring device to the intelligent fire hydrant host through the Lora wireless transmission method. After receiving the information, the intelligent fire hydrant host uploads it to the server through the NB-lot wireless transmission method, thus realizing the secondary transmission of the signal, thereby solving the problem that the existing NB signal is shielded by the manhole cover and cannot be uploaded to the server.
[0048] In some embodiments, the valve stem monitoring device 3 includes a water immersion switch, the pipe network monitoring device 4 includes a pressure sensor, and the ultrasonic monitoring device 5 includes an ultrasonic flow meter. The ultrasonic flow meter uses a high-precision flow sensor. The starting flow of the high-precision flow sensor is more accurate and can accurately determine the water use alarm. The wired communication device 8 includes a data line wired transmission component.
[0049] In some embodiments, the pressure sensor is provided with an upper pressure limit and a lower pressure limit, and the control device 9 generates an alarm when the pressure value monitored by the pressure sensor exceeds the upper pressure limit and the lower pressure limit.
[0050] In some embodiments, the intelligent fire hydrant control device 9 stores electronic tags of the identity information of the fire hydrant body 1 , and each electronic tag stores the unique identity information code, specification model, installation time and geographical location of each fire hydrant body 1 .
[0051] Specifically, an intelligent fire hydrant monitoring and management system is arranged inside the fire hydrant body 1, and the intelligent fire hydrant monitoring and management system includes a cover monitoring device 2, a valve stem monitoring device 3, a pipe network monitoring device 4, an ultrasonic monitoring device 5, a water immersion monitoring device 6, a first wireless communication device 7, a wired communication device 8, a control device 9 and a second wireless communication device 10.
[0052] The control device 9 includes an electronic tag with the identity information of the fire hydrant, including the unique identity information code, specification model, installation time and geographical location, etc. The identity information is uploaded to the fire hydrant monitoring and management system for easy management. After the fire hydrant body 1 is installed, the geographical location information will be saved in the intelligent fire hydrant monitoring and management system, and will be presented in the form of a map, so that the location information of the fire hydrant body 1 can be clearly seen.
[0053] Reference Figure 3 The cover monitoring device 2 includes a first cover monitoring unit 14 and a second cover monitoring unit 15. The first cover monitoring unit 14 includes a DN65 cover sensor, and the second cover monitoring unit 15 includes a DN100 cover sensor.
[0054] The output ends of the DN65 cover sensor and the DN100 cover sensor are connected to the input end of the Lora wireless transmission component. The Lora wireless transmission component performs wireless transmission through the Lora technology, and the wired communication device 8 includes a data line wired transmission component, wherein the output ends of the immersion switch, the pressure sensor and the ultrasonic flow meter are connected to the input end of the data line wired transmission component, and the data line wired transmission component performs wired transmission through the data line.
[0055] The control device 9 includes an intelligent fire hydrant host 20, and the server module includes a server 23. The output ends of the Lora wireless transmission component and the data line wired transmission component are connected to the input end of the intelligent fire hydrant host 20, the output end of the intelligent fire hydrant host 20 is connected to the input end of the NB-lot wireless transmission component, the output end of the NB-lot wireless transmission component is connected to the input end of the server 23, and the NB-lot wireless transmission component performs wireless transmission through the NB-lot technology.
[0056] In some embodiments, the DN65 cover sensor and the DN100 cover sensor are three-axis acceleration sensors. Using the principle of gyroscope, when the first cover 14 or the second cover 15 is opened to produce a certain tilt angle, the DN65 cover sensor or the DN100 cover sensor sends the tilt state information to the smart fire hydrant host 20 through the Lora wireless transmission component, and the smart fire hydrant host 20 reads the current tilt state information of the DN65 cover sensor or the DN100 cover sensor, thereby realizing real-time monitoring of the tilt state of the first cover 14 and the second cover 15.
[0057] A water immersion switch is provided in the fire hydrant body 1. The water immersion switch is provided on one side of the fire hydrant body 1 and extends into the interior of the fire hydrant body 1. It is used to monitor the water pressure change in the fire hydrant cavity, so as to judge the open or closed state of the valve stem. The water immersion switch can monitor whether there is water passing through or remaining in the fire hydrant cavity, so as to judge whether someone has illegally opened the fire hydrant. A pressure sensor is provided in the fire hydrant body 1. The pressure sensor is provided at the bottom of the front side of the fire hydrant body 1 and extends into the interior of the fire hydrant body 1. It is used to monitor the pressure data in the pipe network in real time. The intelligent fire hydrant host 20 can compile statistics of the pressure data into a pressure curve, and has the function of alarming according to the upper and lower limits of the pressure, that is, when the pressure data exceeds the set pressure value, the intelligent fire hydrant host 20 issues a pressure alarm message.
[0058] The ultrasonic monitoring device 5 includes an ultrasonic flow meter, which is arranged in the fire hydrant body 1 and is arranged at the bottom of the fire hydrant body 1. The ultrasonic flow meter is used for statistical monitoring of the water consumption of the fire hydrant body 1 and for calculating the instantaneous flow monitoring of the current water consumption. The water consumption statistics and the flow data collected by the ultrasonic flow meter are transmitted by the NB-LoT wireless transmission component during the monitoring process, which has the characteristics of good transmission effect and can realize the remote uploading of the internal monitoring data of the fire hydrant body 1 to the server 23.
[0059] Reference Figure 1 The control device 9 includes a housing 91 and an intelligent fire hydrant host 20 and a battery 24 disposed in the housing, wherein the tilt sensor is integrated in the intelligent fire hydrant host 20, and the water immersion sensor is disposed in the housing 91. The housing 91 is disposed on the fire hydrant body 1, and the housing includes a shell 911 and a cover plate 912 connected thereto. A battery 24 is disposed on one side of the intelligent fire hydrant host 20.
[0060] In some embodiments, an explosion-proof antenna is installed on the top of the cover plate 912. The explosion-proof antenna can improve the safety of the working process of the utility model. The battery 24 can be used to power the equipment installed inside the fire hydrant body 1 to ensure the normal operation of the utility model.
[0061] The utility model sets the electronic tag of the fire hydrant body through the control device 9, and each electronic tag stores the identity information of the fire hydrant body, including the unique code of the identity information, specification model, installation time and geographical location, etc., and uploads the identity information to the fire hydrant monitoring and management system for easy management. Moreover, after the fire hydrant body 1 is installed, the geographical location information will be saved in the intelligent fire hydrant monitoring and management system and will be presented in the form of a map, so that the location information of the fire hydrant body is clear at a glance.
[0062] The utility model can monitor the pressure data in the pipe network in real time by installing a pressure sensor on the fire hydrant body 1, and can also statistically analyze the pressure data to form a pressure curve. Secondly, it also has the function of upper and lower pressure limit alarms, which triggers an alarm when the set pressure constant value is exceeded.
[0063] The utility model can monitor whether there is water passing through or remaining in the fire hydrant cavity by installing a water immersion switch inside the fire hydrant body, so as to determine whether someone has illegally opened the fire hydrant. This technology can also be used to determine whether the automatic drain valve of the fire hydrant body is working, thereby avoiding the problem that impurities and other substances inside the fire hydrant body 1 block the water outlet of the automatic drain valve, causing the water to be unable to drain automatically and unknown to the public.
[0064] The utility model can complete the water consumption statistics of the fire hydrant body 1 and calculate the instantaneous flow rate of the current water consumption by being equipped with an ultrasonic flow meter.
[0065] The utility model adopts the Internet of Things technology to connect multiple monitoring devices together, and completes the transmission of data and signals through Lora wireless transmission components, data line wired transmission components and NB-lot wireless transmission components. Once all sensing monitoring devices detect abnormalities, they will report to the intelligent fire hydrant monitoring system in the shortest time, truly achieving early detection and early resolution.
[0066] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present disclosure, but the present disclosure is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and substance of the present disclosure, and these modifications and improvements are also considered to be within the scope of protection of the present disclosure.
Claims
1. A type II intelligent underground fire hydrant, characterized in that: include: A fire hydrant body (1), and a cap monitoring device (2), a valve stem monitoring device (3), a pipe network monitoring device (4), an ultrasonic monitoring device (5), a water immersion monitoring device (6), a first wireless communication device (7), a wired communication device (8), and a control device (9) arranged on the fire hydrant body (1); The cover monitoring device (2) is connected to the control device (9) via the first wireless communication device (7); the valve stem monitoring device (3), the water immersion monitoring device (6), the pipe network monitoring device (4) and the ultrasonic monitoring device (5) are respectively connected to the control device (9) via the wired communication device (8); the control device (9) is connected to the second wireless communication device (10); wherein the water immersion alarm information monitored by the water immersion monitoring device (6) is uploaded to the server module via the second wireless communication device (10).
2. A type II intelligent underground fire hydrant according to claim 1, characterized in that: Also includes: A water sound monitoring device (11) is arranged on the fire hydrant body (1); the water sound monitoring device (11) is connected to the wired communication device (8), and the water sound monitoring device (11) is used to monitor water sound information.
3. A type II intelligent underground fire hydrant according to claim 2, characterized in that: The hydroacoustic monitoring device (11) comprises a hydrophone or a noise sensor.
4. A type II intelligent underground fire hydrant according to claim 1 or 2, characterized in that: Also includes: A tilt monitoring device (12) is arranged on the fire hydrant body (1); the tilt monitoring device (12) is connected to the wired communication device (8), and the tilt monitoring device (12) is used to monitor the horizontal state of the fire hydrant.
5. A type II intelligent underground fire hydrant according to claim 4, characterized in that: The tilt monitoring device (12) comprises a tilt sensor; the water immersion monitoring device (6) comprises a water immersion sensor.
6. A type II intelligent underground fire hydrant according to claim 1 or 2, characterized in that: Also includes: A temperature monitoring device (13) is arranged on the fire hydrant body (1); the temperature monitoring device (13) is connected to the wired communication device (8), and the temperature monitoring device (13) is used to monitor the temperature in the pipe network.
7. A type II intelligent underground fire hydrant according to claim 1, characterized in that: The cover monitoring device (2) comprises a first cover monitoring unit (21) and a second cover monitoring unit (22) which are arranged at the upper end of the fire hydrant body (1); Wherein, the fire hydrant body (1) is provided with a first blind cover (14) and a second blind cover (15); the first blind cover (14) is used to cover the first blind cover monitoring unit (21), and the second blind cover (15) is used to cover the second blind cover monitoring unit (22).
8. A type II intelligent underground fire hydrant according to claim 1 or 2, characterized in that: The first wireless communication device (7) includes a Lora wireless transmission component; the second wireless communication device (10) includes a NB-lot wireless transmission component.
9. A type II intelligent underground fire hydrant according to claim 6, characterized in that: The valve stem monitoring device (3) includes a water immersion switch; the pipe network monitoring device (4) includes a pressure sensor; the ultrasonic monitoring device (5) includes an ultrasonic flow meter; and the wired communication device (8) includes a data line wired transmission component.
10. A type II intelligent underground fire hydrant according to claim 9, characterized in that: The temperature monitoring device (13) comprises a temperature sensor; wherein the temperature monitoring device (13) and the pipe network monitoring device (4) are designed as an integrated whole.
