CN218974997U - Fire hydrant side cover - Google Patents
Fire hydrant side cover Download PDFInfo
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- CN218974997U CN218974997U CN202320013818.1U CN202320013818U CN218974997U CN 218974997 U CN218974997 U CN 218974997U CN 202320013818 U CN202320013818 U CN 202320013818U CN 218974997 U CN218974997 U CN 218974997U
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Abstract
The utility model provides a fire hydrant side cover, which comprises a side cover shell, wherein a bolt is fixed on the end face of the side cover shell, and a processor, an inclination detection circuit, a pressure detection circuit and a temperature detection circuit are arranged in the side cover shell; the processor is respectively connected with the inclination detection circuit, the pressure detection circuit and the temperature detection circuit. According to the side cover shell of the side cover of the fire hydrant, provided by the utility model, the inclination detection circuit is arranged in the side cover shell, and when the fire hydrant body is stolen or maliciously damaged, and the inclination of the fire hydrant exceeds a certain angle, the inclination detection circuit can send inclination alarm information to the processor. When the valve rod on the fire hydrant body is unscrewed to discharge water, the pressure at the water outlet cover is increased, the pressure detection circuit sends the detected pressure value to the processor, and when the pressure value exceeds a preset pressure threshold value, the processor immediately alarms and uploads pressure value data, so that the monitoring of the state of the fire hydrant is realized.
Description
Technical Field
The utility model relates to the technical field of fire-fighting equipment, in particular to a fire hydrant side cover.
Background
Fire hydrant is a fixed fire-fighting equipment, and is mainly used for controlling combustible material, isolating combustion-supporting material and eliminating ignition source. The outdoor hydrant is a water supply facility arranged on a fire water supply pipe network outside a building, is mainly used for a fire engine to take water from a municipal water supply pipe network or an outdoor fire water supply pipe network to extinguish fire, and can also be directly connected with a water hose and water gun to extinguish fire. Therefore, the outdoor hydrant system is also one of important fire fighting facilities for extinguishing fire. An edge cover is required to be arranged at the water outlet of the fire hydrant.
At present, with the rapid development of cities, the management of municipal fire hydrants is a difficult problem, the management is widely distributed in the whole city, the possibility of stealing water through the fire hydrants exists, the fire hydrants are not clear in state, and especially the fire hydrants nearby when a fire disaster occurs cannot be used due to damage, so that fire extinguishing is delayed, and urban safety is endangered.
Disclosure of Invention
The utility model provides a fire hydrant side cover which is used for monitoring the state of a fire hydrant and avoiding fire extinguishing delay caused by the fact that the fire hydrant nearby is damaged and cannot be used when a fire disaster occurs.
The utility model provides a fire hydrant side cover, which comprises a side cover shell, wherein a bolt is fixed on the end face of the side cover shell, and a processor, an inclination detection circuit, a pressure detection circuit and a temperature detection circuit are arranged in the side cover shell; the processor is respectively connected with the inclination detection circuit, the pressure detection circuit and the temperature detection circuit.
Preferably, the tilt detection circuit includes a tilt switch SW1, a tilt switch SW2, a tilt switch SW3, a digital-to-analog converter, a power source VCC, a resistor r1_10, and a resistor r1_11; the alarm circuit comprises a resistor R1_12, a resistor R1_13, a resistor R1_14, a resistor R1_15, a capacitor C1_10, a capacitor C1_11, a triode Q1, a MOS tube H2 and a buzzer;
one end of the tilt switch SW1, one end of the tilt switch SW2 and one end of the tilt switch SW3 are respectively connected with an AIN pin of the digital-to-analog converter, the other end of the tilt switch SW1, the other end of the tilt switch SW2 and the other end of the tilt switch SW3 are respectively connected with a GND pin of the digital-to-analog converter and grounded, a ref+ pin of the digital-to-analog converter is connected with one end of the resistor r1_10, the other end of the resistor r1_10 is connected with a power VCC, a REF-pin of the digital-to-analog converter is grounded through the resistor r1_11, and a VCC pin of the digital-to-analog converter is connected with the power VCC;
the DOUT pin of the digital-to-analog converter is connected with the base electrode of the triode Q1 through a capacitor C1_10, the emitter electrode of the triode Q1 is connected with the second end of the buzzer and grounded, the collector electrode of the triode Q1 is respectively connected with one end of a resistor R1_12, one end of a resistor R1_13 and one end of a capacitor C1_11, and the other end of the resistor R1_12 is respectively connected with the other end of the resistor R1_10 and the drain electrode of a MOS tube H2 and is connected with a power supply VCC; the other end of the resistor R1_13 is connected with the base electrode of the triode Q1, the other end of the capacitor C1_11 is connected with the grid electrode of the MOS tube H2 through the resistor R1_14, and the source electrode of the MOS tube H2 is connected with the first end of the buzzer; the other end of the capacitor C1_11 is connected with the processor through a resistor R1_15.
Preferably, the temperature detection circuit comprises a temperature measurement chip U7, a resistor R31, a resistor R32 and an operational amplifier U8;
the GND pin of temperature measurement chip U7 ground connection the VS end of temperature measurement chip U7 connects power MCU_VCC, the VOUT pin of temperature measurement chip U7 connects operational amplifier U8's homophase input, operational amplifier U8's inverting input passes through resistance R31 ground connection, operational amplifier U8's output connection treater, operational amplifier U8's positive pole is connected power MCU_VCC, operational amplifier U8's negative pole ground connection, operational amplifier U8's inverting input is connected to one end of resistance R32, operational amplifier U8's output is connected to the other end of resistance R32.
Preferably, the model of the temperature measuring chip U7 is LM35.
Preferably, the system further comprises a GPS positioning module, and the GPS positioning module is connected with the processor.
Preferably, the type of the GPS positioning module is N303.
Preferably, the device further comprises a Bluetooth module, and the Bluetooth module is connected with the processor.
Preferably, the model of the Bluetooth module is LSD4BT-E66ALSP001.
Preferably, the processor is of the type NANO100SE3BN.
According to the side cover of the fire hydrant, provided by the utility model, the inclination detection circuit is arranged in the side cover shell, when the fire hydrant body is stolen or maliciously damaged, and the inclination of the fire hydrant exceeds a certain angle (for example, 15 degrees), the inclination detection circuit can send inclination alarm information to the processor, and the processor sends the inclination alarm information to the fire hydrant service platform to remind fire hydrant management personnel of timely making effective countermeasures. When the valve rod on the fire hydrant body is unscrewed to discharge water, the pressure at the water outlet cover is increased, the pressure detection circuit sends the detected pressure value to the processor, and when the pressure value exceeds a preset pressure threshold value, the processor immediately alarms and uploads pressure value data. When the processor sends alarm information, the temperature data acquired by the temperature detection circuit are simultaneously sent to the fire hydrant service platform, so that the on-line monitoring of the temperature near the fire hydrant is realized.
Drawings
Fig. 1 is a schematic circuit diagram of a fire hydrant side cover according to an embodiment of the present utility model;
fig. 2 is an external structural schematic view of a fire hydrant side cover according to an embodiment of the present utility model;
FIG. 3 is a circuit diagram of a tilt detection circuit according to an embodiment of the present utility model;
FIG. 4 is a circuit diagram of a pressure detection circuit according to an embodiment of the present utility model;
fig. 5 is a circuit diagram of a temperature detection circuit according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
At present, with the rapid development of cities, the management of municipal fire hydrants is a difficult problem, the management is widely distributed in the whole city, the possibility of stealing water through the fire hydrants exists, the fire hydrants are not clear in state, and especially the fire hydrants nearby when a fire disaster occurs cannot be used due to damage, so that fire extinguishing is delayed, and urban safety is endangered. In this regard, the present utility model provides a fire hydrant side cover to solve the above problems, and the following description is made by way of a plurality of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic circuit diagram of a fire hydrant side cover according to an embodiment of the present utility model, and fig. 2 is a schematic view of an external appearance structure of a fire hydrant side cover according to an embodiment of the present utility model. Referring to fig. 1 and 2, the side cover of the fire hydrant provided by the utility model comprises a side cover shell 1, wherein a bolt 2 is fixed on the end surface of the side cover shell 1, and it is understood that the side cover is connected with the fire hydrant through the bolt 2. A processor, an inclination detection circuit, a pressure detection circuit and a temperature detection circuit are arranged in the side cover shell 1; the processor is respectively connected with the inclination detection circuit, the pressure detection circuit and the temperature detection circuit. The fire hydrant side cover provided by the embodiment of the utility model is used for monitoring the state of the fire hydrant, and the processor is also in communication connection with the fire hydrant service platform; the fire hydrant service platform is a fire hydrant management platform built by municipal fire hydrant management departments, and related data of the fire hydrant is uploaded to the fire hydrant service platform through the processor for inquiry and management.
According to the side cover of the fire hydrant, provided by the utility model, the inclination detection circuit is arranged in the side cover shell, when the fire hydrant body is stolen or maliciously damaged, and the inclination of the fire hydrant exceeds a certain angle (for example, 15 degrees), the inclination detection circuit can send inclination alarm information to the processor, and the processor sends the inclination alarm information to the fire hydrant service platform to remind fire hydrant management personnel of timely making effective countermeasures. When the valve rod on the fire hydrant body is unscrewed to discharge water, the pressure at the water outlet cover is increased, the pressure detection circuit sends the detected pressure value to the processor, and when the pressure value exceeds a preset pressure threshold value, the processor immediately alarms and uploads pressure value data. When the processor sends alarm information, the temperature data acquired by the temperature detection circuit are simultaneously sent to the fire hydrant service platform, so that the on-line monitoring of the temperature near the fire hydrant is realized.
Fig. 3 is a circuit diagram of a tilt detection circuit according to an embodiment of the present utility model, referring to fig. 3, the tilt detection circuit includes a tilt switch SW1, a tilt switch SW2, a tilt switch SW3, a digital-to-analog converter, a power supply VCC, a resistor r1_10, a resistor r1_11, a resistor r1_12, a resistor r1_13, a resistor r1_14, a resistor r1_15, a capacitor c1_10, a capacitor c1_11, a transistor Q1, a MOS transistor H2, and a buzzer;
one end of the tilt switch SW1, one end of the tilt switch SW2 and one end of the tilt switch SW3 are respectively connected with an AIN pin of the digital-to-analog converter, the other end of the tilt switch SW1, the other end of the tilt switch SW2 and the other end of the tilt switch SW3 are respectively connected with a GND pin of the digital-to-analog converter and grounded, a ref+ pin of the digital-to-analog converter is connected with one end of the resistor r1_10, the other end of the resistor r1_10 is connected with a power VCC, a REF-pin of the digital-to-analog converter is grounded through the resistor r1_11, and a VCC pin of the digital-to-analog converter is connected with the power VCC;
the DOUT pin of the digital-to-analog converter is connected with the base electrode of the triode Q1 through a capacitor C1_10, the emitter electrode of the triode Q1 is connected with the second end of the buzzer and grounded, the collector electrode of the triode Q1 is respectively connected with one end of a resistor R1_12, one end of a resistor R1_13 and one end of a capacitor C1_11, and the other end of the resistor R1_12 is respectively connected with the other end of the resistor R1_10 and the drain electrode of a MOS tube H2 and is connected with a power supply VCC; the other end of the resistor R1_13 is connected with the base electrode of the triode Q1, the other end of the capacitor C1_11 is connected with the grid electrode of the MOS tube H2 through the resistor R1_14, and the source electrode of the MOS tube H2 is connected with the first end of the buzzer; the other end of the capacitor C1_11 is connected with the processor through a resistor R1_15.
Specifically, the tilt switches SW1, SW2 and SW3 are respectively used for detecting the tilt conditions of the hydrant body in the directions of the X axis, the Y axis and the Z axis, when detecting that the hydrant body tilts more than 15 ° in the directions of the X axis, the Y axis and/or the Z axis, the corresponding tilt switch is closed, the tilt signals are output to the digital-to-analog converter, the digital-to-analog converter converts the tilt signals into analog signals and outputs the analog signals to the triode Q1, the analog signals are amplified by the triode Q1, the MOS tube H2 is conducted at the moment, and the buzzer alarms. And meanwhile, the inclination detection circuit is connected with the processor through the PA02 port, the processor is communicated with the hydrant service platform, and inclination alarm information is sent to the hydrant service platform through the processor, wherein the model of the processor can adopt NANO100SE3BN.
Fig. 4 is a circuit diagram of a pressure detection circuit according to an embodiment of the present utility model, and referring to fig. 4, the pressure detection circuit includes a varistor RY1, a varistor RY2, a varistor RY3, a varistor RY4, a resistor R41, a resistor R42, a resistor R43, a resistor R45, a resistor R46, a capacitor C47, an operational amplifier, and an AD analog-to-digital conversion chip; wherein the specification and connection relation of each component are shown in fig. 4.
Referring to fig. 4, the pressure detection circuit provided by the present application detects a pressure change by using a voltage-variable bridge, when the pressure changes, the corresponding varistor resistance changes, resulting IN a change IN the voltage-variable bridge current, and then the current is amplified by an operational amplifier to obtain an analog signal, the operational amplifier is connected to the +in pin of the AD analog-to-digital conversion chip through a resistor R45, the operational amplifier sends the analog signal to the AD analog-to-digital conversion chip, and the AD analog-to-digital conversion chip converts the analog signal into a digital signal; the VOUT pin of the AD analog-to-digital conversion chip is connected with the processor through the PA05 port, the AD analog-to-digital conversion chip transmits a digital signal, namely a measured pressure value, to the processor, and the processor immediately alarms and uploads pressure value data when judging that the pressure value exceeds a preset pressure threshold.
Fig. 5 is a circuit diagram of a temperature detection circuit provided by an embodiment of the present utility model, referring to fig. 5, the temperature detection circuit includes a temperature measurement chip U7, a resistor R31, a resistor R32, and an operational amplifier U8; the GND pin of temperature measurement chip U7 is grounded, the VS end of temperature measurement chip U7 is connected with power MCU_VCC, the VOUT pin of temperature measurement chip U7 is connected with the in-phase input end of operational amplifier U8, the inverting input end of operational amplifier U8 is grounded through a resistor R31, the output end of operational amplifier U8 is connected with a processor through a PA02 port in FIG. 5, the positive electrode of operational amplifier U8 is connected with power MCU_VCC, the negative electrode of operational amplifier U8 is grounded, one end of a resistor R32 is connected with the inverting input end of operational amplifier U8, and the other end of a resistor R32 is connected with the output end of operational amplifier U8.
Referring to fig. 5, when the temperature changes, the VOUT output voltage of the temperature measurement chip U7 changes, and the changed voltage value is amplified by the operational amplifier U8 and then transmitted to the processor, and the temperature and voltage change parameter is combined by the comparator inside the processor, so as to obtain the ambient temperature. When the processor sends alarm information, the temperature data acquired by the temperature detection circuit are simultaneously sent to the fire hydrant service platform, so that the on-line monitoring of the temperature near the fire hydrant is realized. Preferably, the model of the temperature measuring chip U7 is LM35, the LM35 is a temperature sensor produced by National Semiconductor, and the output voltage is a temperature scale.
On the basis of the above embodiments, the hydrant side cover further comprises a GPS positioning module, wherein the GPS positioning module is installed in the side cover shell and is connected with the processor. When the processor sends alarm information to the fire hydrant service platform, GPS positioning data acquired by the GPS positioning module are simultaneously sent to the fire hydrant service platform, so that the corresponding fire hydrant side cover is positioned quickly, and a fire hydrant manager can conveniently and quickly know the position of the fire hydrant with a fault. Preferably, the model of the GPS positioning module may be N303.
On the basis of the above embodiments, the hydrant side cover further comprises a Bluetooth module, and the Bluetooth module is connected with the processor. The hydrant side cover can help to realize the line inspection management function. Specifically, a hydrant manager is through bluetooth of handheld mobile device such as cell-phone or tablet and bluetooth module of mark stake
LSD4BT-E66ALSP001 communicates, realizes punching the card, after the completion of punching the card, the processor can upload the card punching data containing the work number to the fire hydrant service platform to realize the intelligent management of fire hydrant equipment inspection.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The fire hydrant side cover is characterized by comprising a side cover shell, wherein bolts are fixed on the end face of the side cover shell, and a processor, an inclination detection circuit, a pressure detection circuit and a temperature detection circuit are arranged in the side cover shell; the processor is respectively connected with the inclination detection circuit, the pressure detection circuit and the temperature detection circuit.
2. The fire hydrant side cover according to claim 1, wherein the tilt detection circuit includes a tilt switch SW1, a tilt switch SW2, a tilt switch SW3, a digital-to-analog converter, a power source VCC, a resistor r1_10, a resistor r1_11, a resistor r1_12, a resistor r1_13, a resistor r1_14, a resistor r1_15, a capacitor c1_10, a capacitor c1_11, a transistor Q1, a MOS transistor H2, and a buzzer;
one end of the tilt switch SW1, one end of the tilt switch SW2 and one end of the tilt switch SW3 are respectively connected with an AIN pin of the digital-to-analog converter, the other end of the tilt switch SW1, the other end of the tilt switch SW2 and the other end of the tilt switch SW3 are respectively connected with a GND pin of the digital-to-analog converter and grounded, a ref+ pin of the digital-to-analog converter is connected with one end of the resistor r1_10, the other end of the resistor r1_10 is connected with a power VCC, a REF-pin of the digital-to-analog converter is grounded through the resistor r1_11, and a VCC pin of the digital-to-analog converter is connected with the power VCC;
the DOUT pin of the digital-to-analog converter is connected with the base electrode of the triode Q1 through a capacitor C1_10, the emitter electrode of the triode Q1 is connected with the second end of the buzzer and grounded, the collector electrode of the triode Q1 is respectively connected with one end of a resistor R1_12, one end of a resistor R1_13 and one end of a capacitor C1_11, and the other end of the resistor R1_12 is respectively connected with the other end of the resistor R1_10 and the drain electrode of a MOS tube H2 and is connected with a power supply VCC; the other end of the resistor R1_13 is connected with the base electrode of the triode Q1, the other end of the capacitor C1_11 is connected with the grid electrode of the MOS tube H2 through the resistor R1_14, and the source electrode of the MOS tube H2 is connected with the first end of the buzzer; the other end of the capacitor C1_11 is connected with the processor through a resistor R1_15.
3. The fire hydrant side cover according to claim 1, wherein the temperature detection circuit comprises a temperature measurement chip U7, a resistor R31, a resistor R32 and an operational amplifier U8;
the GND pin of temperature measurement chip U7 ground connection the VS end of temperature measurement chip U7 connects power MCU_VCC, the VOUT pin of temperature measurement chip U7 connects operational amplifier U8's homophase input, operational amplifier U8's inverting input passes through resistance R31 ground connection, operational amplifier U8's output connection treater, operational amplifier U8's positive pole is connected power MCU_VCC, operational amplifier U8's negative pole ground connection, operational amplifier U8's inverting input is connected to one end of resistance R32, operational amplifier U8's output is connected to the other end of resistance R32.
4. A fire hydrant side cover according to claim 3 in which the temperature measuring chip U7 is of model LM35.
5. The fire hydrant side cover according to claim 1, further comprising a GPS positioning module, said GPS positioning module being connected to the processor.
6. The fire hydrant side cover according to claim 5, wherein said GPS positioning module is model N303.
7. The fire hydrant side cover according to claim 1, further comprising a bluetooth module, said bluetooth module being connected to the processor.
8. The fire hydrant side cover according to claim 7, wherein said bluetooth module is of the type LSD4BT-E66ALSP001.
9. The fire hydrant side cover according to claim 1, wherein said processor is of the type NANO100SE3BN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320013818.1U CN218974997U (en) | 2023-01-03 | 2023-01-03 | Fire hydrant side cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320013818.1U CN218974997U (en) | 2023-01-03 | 2023-01-03 | Fire hydrant side cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218974997U true CN218974997U (en) | 2023-05-05 |
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ID=86164304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320013818.1U Active CN218974997U (en) | 2023-01-03 | 2023-01-03 | Fire hydrant side cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218974997U (en) |
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2023
- 2023-01-03 CN CN202320013818.1U patent/CN218974997U/en active Active
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