CN111068231A - Water pressure detection valve clack and water pressure detection system - Google Patents

Water pressure detection valve clack and water pressure detection system Download PDF

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Publication number
CN111068231A
CN111068231A CN201911408154.3A CN201911408154A CN111068231A CN 111068231 A CN111068231 A CN 111068231A CN 201911408154 A CN201911408154 A CN 201911408154A CN 111068231 A CN111068231 A CN 111068231A
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CN
China
Prior art keywords
water pressure
valve clack
valve
pressure sensor
module
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Pending
Application number
CN201911408154.3A
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Chinese (zh)
Inventor
徐承柬
张波
刘志健
黎威
董向阳
张�杰
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Tendency Technology Co ltd
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Tendency Technology Co ltd
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Priority to CN201911408154.3A priority Critical patent/CN111068231A/en
Publication of CN111068231A publication Critical patent/CN111068231A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/50Testing or indicating devices for determining the state of readiness of the equipment

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention relates to a water pressure detection valve clack, which comprises a valve clack body, a shell, a circuit board, a water pressure sensor and a battery, wherein the circuit board, the water pressure sensor and the battery are arranged in the shell; the shell is fixedly connected with the valve clack body; the circuit board comprises a microcontroller module and a wireless radio frequency transceiver module connected with the microcontroller module; the water pressure sensor is arranged below the valve clack body, is used for detecting the water pressure at the water inlet of the fire hydrant, and is connected with the microcontroller module through a data line; the microcontroller module is awakened periodically, water pressure data is obtained through the water pressure sensor, and the wireless radio frequency receiving and sending module is controlled to send the water pressure data to the outside. The water pressure detection valve clack has the advantages that water pressure in the fire hydrant can be obtained regularly and sent to the service platform, after the service platform determines the fire hydrant with abnormal water pressure and the position of the fire hydrant, relevant responsible personnel are informed to maintain the fire hydrant in time, the fire hydrant at a place is guaranteed to be available when fire occurs, and life and property safety of people is guaranteed.

Description

Water pressure detection valve clack and water pressure detection system
Technical Field
The invention relates to the field of fire hydrants, in particular to a water pressure detection valve clack and a water pressure detection system.
Background
In modern times, fire hydrants are mainly used for fire-fighting vehicles to take water from municipal water supply networks or outdoor fire-fighting water supply networks to put out a fire, and can also be directly connected with water hoses and water guns to discharge water to put out a fire. The fire hydrant is one of important fire fighting infrastructures for urban fire fighting safety, and plays an important role in preventing, dealing with and rescuing fire. However, due to various reasons such as scattered fire hydrant facilities, falling of water pressure monitoring means, aging of facilities or artificial damage, it is difficult for fire departments to effectively monitor and maintain outdoor fire hydrants in the jurisdiction, and similarly, people cannot basically check and maintain indoor fire hydrants when fire does not occur. Just because of lack of inspection and maintenance, the fire fighting pipelines where some outdoor fire hydrants and indoor fire hydrants are located may be in a state of insufficient water pressure or even no water for a long time without being known, and the fire hydrants are similar to the nominal ones. Once a fire occurs, the fire hydrant has insufficient water pressure or no water is available, so that the extinguishing of the fire is delayed undoubtedly, even the fire is delayed for a long time, the further deterioration of the fire is caused, and huge damage and loss are brought to lives and properties of people.
Disclosure of Invention
In order to avoid the defects of the background art, the invention provides the water pressure detection valve clack and the water pressure detection system, which can detect the water pressure in the fire hydrant at regular time and determine the fire hydrant with abnormal water pressure and the position of the fire hydrant.
The invention provides a water pressure detection valve clack, which comprises a valve clack body, a shell, a circuit board, a water pressure sensor and a battery, wherein the circuit board, the water pressure sensor and the battery are arranged in the shell; the shell is fixedly connected with the valve clack body; the circuit board comprises a microcontroller module and a wireless radio frequency transceiver module connected with the microcontroller module; the water pressure sensor is arranged below the valve clack body, is used for detecting the water pressure at the water inlet of the valve body and is connected with the microcontroller module through a data line; the microcontroller module is awakened periodically, water pressure data are obtained through the water pressure sensor, and the wireless radio frequency transceiver module is controlled to send wireless radio frequency signals including the water pressure data to the outside.
In a preferred scheme, the shell comprises a main shell and a fixed shell, wherein the main shell is fixed above the valve clack body and internally provided with a circuit board and a battery; the fixed casing is fixed below the valve clack body, a water pressure sensor is arranged in the fixed casing, and a probe of the water pressure sensor penetrates through the bottom surface of the fixed casing; the valve clack body is provided with a through hole, and a data line of the water pressure sensor penetrates through the through hole to be connected with the microcontroller module.
In another preferred scheme, the shell is fixed below the valve clack body, the water pressure sensor is arranged in the shell, and a probe of the water pressure sensor penetrates through the bottom surface of the shell.
Furthermore, a cavity in the shell is filled with waterproof sealant.
The invention also provides a water pressure detection system, which comprises the water pressure detection valve clack and a communication device fixedly arranged outside the valve body, wherein the communication device is fixedly arranged on the valve body; the communication device comprises a first wireless communication module and a second wireless communication module, the first wireless communication module is used for receiving wireless signals including water pressure data sent by the water pressure detection valve clack, and the second wireless communication module is used for sending wireless signals including the water pressure data and the communication device number to the outside.
Preferably, the first wireless communication module is a first wireless radio frequency transceiver module; the second wireless communication module is a mobile communication module or a second wireless radio frequency transceiver module.
The communication device further comprises a service platform, wherein the service platform stores a valve body number corresponding to the communication device number and position information of the communication device; the service platform is used for receiving wireless signals including water pressure data and the communication device number sent by the communication device and determining the valve body with abnormal water pressure and the position of the valve body according to the water pressure data and the communication device number.
The invention also provides a fire hydrant, which comprises the water pressure detection valve clack.
The water pressure detection valve clack has the advantages that water pressure in the fire hydrant can be obtained regularly and sent to the service platform, after the service platform determines the fire hydrant with abnormal water pressure and the position of the fire hydrant, relevant responsible personnel are informed to maintain the fire hydrant in time, the fire hydrant at a place is guaranteed to be available when fire occurs, and life and property safety of people is guaranteed.
Drawings
Fig. 1 is a perspective view of an indoor hydrant in example 1.
Fig. 2 is a schematic cross-sectional view of an indoor hydrant with a water pressure detecting valve flap according to example 1.
FIG. 3 is a schematic cross-sectional view of a water pressure sensing flap for an indoor hydrant in accordance with example 1.
Figure 4 is a schematic illustration of the explosion of the water pressure sensing flap for an indoor hydrant in example 1.
Fig. 5 is a schematic perspective view of an outdoor fire hydrant according to example 2.
Fig. 6 is a schematic partial cross-sectional view of an outdoor hydrant with a water pressure sensing flap according to example 2.
FIG. 7 is a schematic cross-sectional view of the water pressure sensing flap for an outdoor hydrant in accordance with example 2.
FIG. 8 is a schematic illustration of the explosion of the water pressure sensing flap for an outdoor hydrant in example 2.
FIG. 9 is a schematic view showing the installation of the communication means in the water pressure detecting system according to embodiment 3.
FIG. 10 is a schematic view showing the constitution of a water pressure detecting system according to embodiment 3.
Example 1 reference numerals are as follows: 101-a hand wheel; 102-a valve stem; 103-valve cover; 104-a valve body; 105-a battery; 106-a circuit board; 107-a main housing; 108-a valve flap body; 108 a-a via; 109-sealing gaskets; 110-washer nut; 111-a stationary casing; 112-water pressure sensor; 113-sealing ring; 114-fixing the nut.
Example 2 reference numerals are as follows: 201-a valve stem; 202-a valve body; 203-valve clack body; 204-a sealing gasket; 205-metal sheet; 206-stud bolt; 207-a fitting nut; 208-an upper cover; 209-big sealing ring; 210-a circuit board; 211-a battery; 212-water pressure sensor; 213-sealing ring; 214-a base; 215-fixing nut.
Detailed Description
The invention is further described below with reference to the accompanying drawings and specific examples.
Embodiment 1, referring to fig. 1 to 4, a water pressure detection flap for an indoor hydrant includes a flap body 108, a sealing gasket 109, a gasket nut 110, a main housing 107, a circuit board 106, a battery 105, a fixing housing 111, a water pressure sensor 112, a sealing ring 113, and a fixing nut 114; the circuit board 106 comprises a microcontroller module and a wireless radio frequency transceiver module connected with the microcontroller module; the valve clack body 108 is provided with a main shell 107, and the valve clack body and the main shell are fixed through a buckle structure; a circuit board 106 and a battery 105 are fixed in the main housing 107; a fixed casing 111 is arranged below the valve clack body 108 and fixed by a buckle structure; a water pressure sensor 112 is arranged in the fixed casing 111, and a probe of the water pressure sensor 112 penetrates through the bottom surface of the fixed casing 111; a sealing ring 113 is arranged between the water pressure sensor 112 and the fixed casing 111 and is fastened by a fixed nut 114; the valve clack body 108 is also provided with a through hole 108a, and a data line of the water pressure sensor 112 can pass through the through hole 108a to be connected with the microcontroller module; the cavities of the main shell 107, the through hole 108a and the fixed casing 111 are filled with waterproof sealant; the microcontroller module is awakened periodically, water pressure data at the water inlet of the fire hydrant is obtained through the water pressure sensor 112, and the wireless radio frequency transceiver module is controlled to externally send wireless radio frequency signals including the water pressure data.
This embodiment water pressure detects valve clack and is applied to indoor fire hydrant, and in current indoor fire hydrant, the inside water inlet of valve body 104 is sealed to the effect of valve clack lamella body 108, still fixedly connected with valve rod 102 on the valve clack lamella body 108 usually, is fixed with connection hand wheel 101 on the valve rod 102, still is equipped with seal ring 109 below the valve clack lamella body 108, and seal ring 109 passes through washer nut 110 and valve clack lamella body 108 fixedly. When a person turns the hand wheel 101, the hand wheel 101 rotates to drive the valve rod 102 and the valve clack body 108 to rotate and move up and down to close or open the water inlet. Because the volume of indoor fire hydrant is less, lead to original valve clack lamella body 108 size limited, this embodiment takes the disconnect-type design to place water pressure sensor 112 separately with other electronic component on the basis of the structure of current valve clack lamella body 108, makes water pressure sensor 112 set up in the below of valve clack lamella body 108, and other electronic component set up in the top of valve clack lamella body 108 to set up the through-hole on valve clack lamella body 108, can make water pressure sensor 112's data line pass through the through-hole 108a of valve clack lamella body 108 and be connected with circuit board 106.
This embodiment product simple installation, repacking are with low costs, only need to replace former fire hydrant valve clack and can install and finish, need not to carry out structural change or whole replacement to former fire hydrant. During installation, the water source of the fire hydrant needs to be cut off, then the hand wheel 101 is unscrewed, the valve rod 102 is taken out, the original valve clack on the valve rod 102 is detached, then the water pressure detection valve clack of the embodiment is replaced, and then the hand wheel 101 is screwed in according to the original shape.
When the product of the embodiment is normally used, the probe of the water pressure sensor 112 under the valve clack body 108 is always soaked in water at the water inlet, so that the water pressure of the fire hydrant can be detected; the product starts regularly and gathers water pressure data to send water pressure data outside the fire hydrant through wireless radio frequency transceiver module.
It is to be understood that, in theory, fire hydrants are normally totally enclosed and the bulk material is metal, which would seriously impede or even prevent the propagation of internal radio frequency signals. However, in order to verify whether the fire hydrant obstructs the internal signal, the applicant carried out a signal strength test after closing the normal fire hydrant (i.e., in a normal state of the fire hydrant), and found that the internal signal can be collected at a position near the outside of the fire hydrant. For analysis reasons, although the fire hydrant seems to be totally enclosed by metal materials, certain gaps exist in the fit among the components, and the small gaps form the propagation channel of signals. Therefore, signals can still be collected at the position close to the outside of the fire hydrant, and the frequency band of the wireless radio frequency transceiver module is preferably 840Mhz in the invention.
Example 2, referring to fig. 5 to 8, a water pressure detection flap for an outdoor hydrant, comprising a flap body 203, a sealing gasket 204, a metal sheet 205, a stud bolt 206, a fitting nut 207, a housing formed by an upper cover 208 and a base 214, a large sealing ring 209, a circuit board 210, a battery 211, a water pressure sensor 212, a sealing ring 213, and a fixing nut 215; the circuit board 210 includes a microcontroller module and a wireless radio frequency transceiver module connected to the microcontroller module; the upper cover 208 is provided with a tabling nut 207 at the outer center, and the tabling nut 207 is integrated with the upper cover 208 through insert molding during processing; a large sealing ring 209 is arranged between the upper cover 208 and the base 214 matched with the upper cover, the upper cover and the base are sealed by ultrasonic welding, and a cavity formed by the upper cover and the base is filled with waterproof sealing glue; the circuit board 210, the battery 211 and the water pressure sensor 212 are fixed in the base 214, and the probe of the water pressure sensor 212 penetrates through the bottom surface of the base 214; a sealing ring 213 is arranged between the water pressure sensor 212 and the bottom surface of the base 214 and is fastened by a fixing nut 215; one end of a stud bolt 206 penetrates through the metal sheet 205 and the sealing washer 204 and is screwed into the valve clack body 203, and the metal sheet 205, the sealing washer 204 and the valve clack body 203 are fixed together; the other end of the stud bolt 206 is screwed into the fitting nut 207, and the housing formed by the upper cover 208 and the base 214 is fixed with the valve flap body 203; the microcontroller module is awakened periodically, water pressure data at the water inlet of the fire hydrant is obtained through the water pressure sensor 212, and the wireless radio frequency transceiver module is controlled to externally send wireless radio frequency signals including the water pressure data.
This embodiment water pressure detects valve clack is applied to outdoor fire hydrant, compares in indoor fire hydrant, and outdoor fire hydrant's volume is great, and original valve clack valve body 203 size is also great, so this embodiment takes the outer hanging design to place water pressure sensor 212 in a casing with other electronic component is whole on the basis of the structure of current valve clack valve body 203 to be fixed in the below of valve clack valve body 203 with this casing, make water pressure sensor 212 can contact the water of water inlet department.
This embodiment product simple installation, repacking are with low costs, only need the single-end bolt on the former fire hydrant valve clack of replacement and adorn whole casing and can install and finish, need not to carry out structural change or whole replacement to former fire hydrant, can make the fire hydrant possess and detect hydraulic function. During installation, the water source of the fire hydrant needs to be cut off, the valve rod 201 in the fire hydrant is taken out, the original single-head bolt used for fastening the sealing washer 204 on the valve clack at the top end of the valve rod 201 is detached, then the stud bolt 206 of the embodiment is replaced, then the shell is installed at the other end of the stud bolt 206, and then the valve rod 201 is installed into the fire hydrant according to the original shape.
When the product of the embodiment is normally used, the product can be started regularly, the water pressure sensor 212 is used for collecting water pressure data, and the wireless radio frequency transceiver module is used for sending the water pressure data to the outside of the fire hydrant. Different from embodiment 1, the radio frequency transceiver module of embodiment 1 is disposed on the valve flap body 203, and the signal is transmitted from the lower side of the valve flap body 203 to the outside in this embodiment, because the sealing water inlet mainly depends on the rubber sealing washer 204, and the sealing washer 204 cannot prevent the signal from propagating, in this embodiment, the internal signal can be collected near the outside of the hydrant.
Embodiment 3, referring to fig. 9 to 10, a water pressure detecting system for a fire hydrant includes any one of the water pressure detecting valve flaps 301 according to embodiment 1 or embodiment 2, a communication device 302 fixedly installed outside the fire hydrant, and a service platform 303; the communication device 302 comprises a first wireless communication module and a second wireless communication module, wherein the first wireless communication module is used for receiving wireless radio frequency signals including water pressure data sent by the water pressure detection valve clack 301, and a wireless radio frequency transceiver module of 840Mhz is preferably adopted; the second wireless communication module is used for sending wireless signals including water pressure data and communication device numbers to the outside, and preferably adopts a mobile communication module such as a GPRS communication module or an NB-IoT communication module; the service platform 303 stores a fire hydrant number corresponding to the communication device number and location information; the service platform 303 is configured to receive the wireless signal sent by the communication device 302, which includes the water pressure data and the communication device number, determine the hydrant with abnormal water pressure and the location thereof according to the water pressure data and the communication device number, and notify the relevant responsible personnel in time.
The system can regularly acquire the water pressure in the fire hydrant, and after the fire hydrant with abnormal water pressure and the position of the fire hydrant are determined, related responsible personnel are timely informed to maintain the fire hydrant, so that the life and property safety of people is ensured.
In this embodiment, the second wireless communication module may also be a wireless radio frequency transceiver module, and the communication device 302 may transmit data to a nearby fixed gateway or base station through the wireless radio frequency transceiver module, and then the fixed gateway or base station forwards the data to the service platform 303. The mobile communication module has the advantages that the data can be directly transmitted to the service platform through the signal base station of the mobile network operator, and the communication module has high cost and needs extra flow cost; the wireless radio frequency transceiver module has the advantages of lower power consumption and lower cost, and has the disadvantages that a fixed gateway or a base station needs to be built nearby the fire hydrant; both have advantages and disadvantages, if a fixed gateway or a base station network is already arranged in a certain city, it is better to naturally adopt a wireless radio frequency transceiver module, otherwise, it is better to adopt a mobile communication module.
Although the present invention has been described with reference to preferred embodiments, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and various changes in form and details may be made within the scope of the appended claims.

Claims (8)

1. The utility model provides a water pressure detects valve clack, includes the valve clack lamella body, its characterized in that: the water pressure sensor also comprises a shell, and a circuit board, a water pressure sensor and a battery which are arranged in the shell;
the shell is fixedly connected with the valve clack body;
the circuit board comprises a microcontroller module and a wireless radio frequency transceiver module connected with the microcontroller module;
the water pressure sensor is arranged below the valve clack body, is used for detecting the water pressure at the water inlet and is connected with the microcontroller module through a data line;
the microcontroller module is awakened periodically, water pressure data are obtained through the water pressure sensor, and the wireless radio frequency transceiver module is controlled to send wireless radio frequency signals including the water pressure data to the outside.
2. The water pressure detection valve flap of claim 1, wherein: the valve clack comprises a valve clack body and a valve clack body, wherein the valve clack body is fixed on the valve clack body; the fixed casing is fixed below the valve clack body, a water pressure sensor is arranged in the fixed casing, and a probe of the water pressure sensor penetrates through the bottom surface of the fixed casing; the valve clack body is provided with a through hole, and a data line of the water pressure sensor penetrates through the through hole to be connected with the microcontroller module.
3. The water pressure detection valve flap of claim 1, wherein: the casing is fixed in the below of valve clack lamella body, water pressure sensor establishes in the casing and water pressure sensor's probe passes the bottom surface of casing.
4. The water pressure detection valve flap of claim 1, wherein: and a cavity in the shell is filled with waterproof sealant.
5. A water pressure detection system is characterized in that: the water pressure detection valve comprises the water pressure detection valve clack according to any one of claims 1-4 and a communication device fixedly arranged outside the valve body; the communication device comprises a first wireless communication module and a second wireless communication module, the first wireless communication module is used for receiving wireless signals including water pressure data sent by the water pressure detection valve clack, and the second wireless communication module is used for sending wireless signals including the water pressure data and communication device numbers to the outside.
6. The water pressure detecting system according to claim 5, wherein: the first wireless communication module is a first wireless radio frequency transceiver module; the second wireless communication module is a mobile communication module or a second wireless radio frequency transceiver module.
7. The water pressure detecting system according to claim 5, wherein: the communication device further comprises a service platform, wherein the service platform stores a valve body number corresponding to the communication device number and position information of the communication device; the service platform is used for receiving wireless signals including water pressure data and the communication device number sent by the communication device and determining the valve body with abnormal water pressure and the position of the valve body according to the water pressure data and the communication device number.
8. A fire hydrant, comprising: comprising a water pressure sensing flap according to any of claims 1-4.
CN201911408154.3A 2019-12-31 2019-12-31 Water pressure detection valve clack and water pressure detection system Pending CN111068231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911408154.3A CN111068231A (en) 2019-12-31 2019-12-31 Water pressure detection valve clack and water pressure detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911408154.3A CN111068231A (en) 2019-12-31 2019-12-31 Water pressure detection valve clack and water pressure detection system

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CN111068231A true CN111068231A (en) 2020-04-28

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CN201911408154.3A Pending CN111068231A (en) 2019-12-31 2019-12-31 Water pressure detection valve clack and water pressure detection system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922091A (en) * 2021-01-25 2021-06-08 沪航科技集团有限公司 Fire hydrant with flow monitoring function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107866022A (en) * 2017-11-08 2018-04-03 麦克传感器股份有限公司西安分公司 A kind of integral and intelligent fire hydrant

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107866022A (en) * 2017-11-08 2018-04-03 麦克传感器股份有限公司西安分公司 A kind of integral and intelligent fire hydrant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922091A (en) * 2021-01-25 2021-06-08 沪航科技集团有限公司 Fire hydrant with flow monitoring function

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