CN213814348U - Intelligent fire-fighting terminal water testing system - Google Patents
Intelligent fire-fighting terminal water testing system Download PDFInfo
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- CN213814348U CN213814348U CN202021638849.9U CN202021638849U CN213814348U CN 213814348 U CN213814348 U CN 213814348U CN 202021638849 U CN202021638849 U CN 202021638849U CN 213814348 U CN213814348 U CN 213814348U
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Abstract
The utility model discloses an intelligence fire control end system of trying water, comprising a water pipe, install the device of trying water on the water pipe, the device of trying water includes main control circuit, the last electric valve module, orientation module, pressure sensor module, data transmission module, LOAR wireless module and the power module that are provided with central microcomputer processing module and are connected with central microcomputer processing module electricity of main control circuit, and central microcomputer processing module passes through LOAR wireless module is connected with the server host computer, and every device of trying water possess an equipment address, and the server host computer that is located distal end fire-fighting water pump room reads every device of trying water's operational aspect and data according to address timing control, and the single data transceiver distance of the LORA wireless technology that adopts can reach 8 kilometers under the circumstances of spacious region. Meanwhile, the network of the LORA wireless module belongs to an autonomous network, so that the construction and operation cost is lower than that of a scheme adopting a network operator in the market, and the LORA wireless module is not limited by the network operator.
Description
Technical Field
The utility model relates to a pressure monitoring technology field especially relates to an adopt terminal water system that tries water of intelligent fire control of LORA wireless transmission technique.
Background
The intelligent terminal water testing device is used for monitoring the water pressure of the worst water point in the fire-fighting pipe network, and if the water pressure of the worst water point is in a normal range, the water pressure of other places of the pipe network is normal. The intelligent terminal water testing device on the market transmits data in a wired bus mode, the mounting point of the device is far away from a control room, and the mounting cost and difficulty of the device are greatly increased due to on-site adverse conditions under many conditions. In terms of maintenance of the equipment, the wires connecting the equipment may be aged due to environmental factors, damage by human or animals, and long-term use, and thus the maintenance cost is high. In some fields with larger and complex use environments, a plurality of devices are needed to meet the requirement of fire protection design, and in this case, the installation cost, the installation difficulty and the maintenance cost are higher than those of a wireless transmission mode by adopting a wired transmission mode.
Those skilled in the art are therefore working to develop an intelligent fire fighting terminal water test system using LORA wireless transmission technology.
Disclosure of Invention
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that an intelligent fire control end water test system that adopts the wireless transmission technique of LORA is provided.
In order to realize the above-mentioned purpose, the utility model provides an intelligence fire control end system of trying water, the water pipe comprises a water pipe, install the device of trying water on the water pipe, the device of trying water includes master control circuit, be provided with central microcomputer processing module on the master control circuit and with electric valve module, orientation module, pressure sensor module, data transmission module, LOAR wireless module and the power module that central microcomputer processing module electricity is connected, central microcomputer processing module passes through LOAR wireless module is connected with the server host computer.
The main control circuit comprises a main control chip U2, wherein the 1 st pin on the left side of the main control chip U2 is connected with one end of a diode D6 and one end of a diode D7 in parallel, the other end of the diode D6 is connected with the VCC3V3 end, the other end of a diode D7 is connected with the anode of a battery BAT1 and one end of an inductor C31 in parallel, the other end of an inductor C31 is connected with GND end ground, the 3 rd pin on the left side of the main control chip U2 is connected with one end of an inductor C32 and one end of a crystal oscillator Y2 in parallel, the 4 th pin on the left side of the main control chip U2 is connected with the other end of a crystal oscillator Y2 and one end of an inductor C33 in parallel, the 5 th pin on the left side of the main control chip U2 is connected with the 1 st pin of the crystal oscillator Y1 and one end of an inductor C6 in parallel, the 6 th pin on the left side of the main control chip U2 is connected with the 3 rd pin of the oscillator Y1 and one end of an inductor C7 in parallel, and the negative electrode of the battery BAT1, the other end of the inductor C32, the other end of the inductor C33, the other end of the inductor C6, the No. 2 pin and No. 4 pin of the crystal oscillator Y1 and the other end of the inductor C7 are connected in parallel and then connected with the GND end to be grounded.
The 7 th, 8 th and 9 th pins on the left side of the main control chip U2 are respectively connected with a RESET end, an ADC10 end and an ADC11 end; the 12 th pin on the left side of the main control chip U2 is connected with GND end ground, and the 13 th pin on the left side of the main control chip U2 is connected with VCC3V3 end; the 15 th to 19 th pins on the left side of the main control chip U2 are respectively connected with a 485-WR end, a UART2-TX end, a UART2-RX end, a grounding end and a VCC3V3 end; the 22 nd to 27 th pins on the left side of the main control chip U2 are respectively connected with an X4 terminal, an X3 terminal, an X2 terminal, an X1 terminal, a Y2 terminal and a Y1 terminal; the 31 st pin and the 32 nd pin on the left side of the main control chip U2 are respectively connected with a ground terminal and a VCC3V3 terminal.
The 64 th to 52 th pins on the right side of the main control chip U2 are respectively connected with a VCC3V3 terminal, a grounding terminal, a GPIO1 terminal, a GPIO2 terminal, a grounding terminal, an OLED-I2C-SDA terminal, an OLED-I2C-SCL terminal, a GPIO3 terminal, a GPIO4 terminal, a GPIO5 terminal, a GPIO6 terminal, a GPIO7 terminal and a GPIO8 terminal; the 49 th to 41 th ends on the right side of the main control chip U2 are respectively connected with an SWCLK end, a VCC3V3 end, a grounding end, an SWDIO end, an M0 end, an M1 end, a UART2-RX end, a UART2-TX end and an RUX end; the 39 th-37 th pins on the right side of the main control chip U2 are respectively connected with the MCU-LED end, the 12C-SCL end and the 12C-SDA end.
The main control circuit further comprises a switch SW1, wherein a No. 2 pin of the switch SW1 is connected with one end of an inductor C8 and one end of a resistor R5 in parallel and then connected with a RESET end, a No. 1 pin of the switch SW1 is connected with the other end of an inductor C8 in parallel and then connected with a GND end grounding end, and the other end of the resistor R5 is connected with a VCC3V3 end, so that a RESET switch sub-circuit is formed.
The main control circuit further comprises a chip U4, the 1 st to 4 th pins on the left side of the chip U4 are connected with a GND terminal ground, the 8 th pin on the right side of the chip U4 is connected with one end of a capacitor C10 and then is connected with a GND terminal ground, the 7 th pin on the right side of the chip U4 is connected with a GND terminal ground, the 6 th pin on the right side of the chip U4 is connected with one end of an I2C-SCL terminal rear connecting resistor R12 and then is connected with a VCC3V3 terminal, the 5 th pin on the right side of the chip U4 is connected with one end of an I2C-SDA terminal rear connecting resistor R13 and then is connected with one end of a VCC3V3 terminal ground, the other end of the resistor R13, the other end of the resistor R12 and one end of a VCC3V3 terminal are connected with a capacitor C10 in parallel connection and then are connected with a GND terminal ground, so as to form a programmable memory control branch circuit.
The main control circuit further comprises a connector J5, the 2 nd pin of the connector J5 is connected with one end of a SWDIO end rear connection resistor R9, the 3 rd pin of the connector J5 is connected with one end of a SWCLK end rear connection resistor R10, the other end of the resistor R9, the other end of the resistor R10 and the 1 st pin of the connector J5 are connected in parallel and then connected with a VCC3V3 end, the 4 th pin of the connector J5 is connected with a GND end and grounded, and an SWD download interface subsection circuit is formed.
The master control circuit further comprises a light-emitting LED3, one end of the light-emitting LED3 is connected with the VCC3V3 end after being connected with a resistor R8 in series, and the other end of the light-emitting LED3 is connected with the MCU-LED end to form an LED light-emitting indicating circuit.
The main control circuit further comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a capacitor C5 which are connected in parallel, one end of each of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4 and the capacitor C5 is connected with a VCC3V3 end, the other end of each of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4 and the capacitor C5 is connected with a GND end and grounded, and a filtering subsection circuit is formed.
The main control circuit further comprises a connector J3, the 1 st pin VCC3V3 end of the connector J3 is connected, the 2 nd pin is connected with the OLED-I2C-SCL end, the 3 rd pin is connected with the OLED-I2C-SDA end, the 4 th pin is connected with the GND end and is grounded, and the input and output branch circuit of the display screen is formed.
The main control circuit further comprises a chip MD1, pins 5, 6, 7, 8, 9, 10 and 1 on the left side of the chip MD1 are respectively connected with an M0 end, an M1 end, a UART1-TX end, a UART1-RX end, an AUX end, a VCC3V3 end and a GND end and are grounded, pins 13, 19, 20 and 22 on the right side of the chip MD1 are connected with the GND end and are grounded, and a pin 21 on the right side of the chip MD1 is connected with an antenna to form a LORA communication branch circuit.
The main control circuit further comprises pressure gauges P1, P2, P3 and P4, wherein one ends of the pressure gauges P1, P2, P3 and P4 are connected with the GND end in parallel and grounded, and thus a pressure gauge branch circuit is formed.
The main control circuit further comprises a connector J8, wherein pins 1-10 of the connector J8 are respectively connected with a GPIO1 terminal, a GPIO2 terminal, a GPIO3 terminal, a GPIO4 terminal, a GPIO6 terminal, a GPIO7 terminal, a GPIO8 terminal, a VCC3V3 terminal and a GND grounding terminal to form a plug branch circuit.
The master control circuit also comprises a chip U3, the 1 st pin of the chip U3 is connected with the UART1-RX terminal, the 2 nd pin and the 3 rd pin of the chip U3 are connected in parallel and then connected with 485-WR, the 4 th pin of the chip U3 is connected with the UART1-TX terminal, the 5 th pin of the chip U3 is grounded, the 8 th pin of the chip U3 is connected in parallel with one end of an inductor C9, a VCC3V3 end and one end of a resistor R6, the 7 th pin of the chip U3 is connected in parallel with one end of a resistor R7, one end of a resistor R11, a first pin of a voltage stabilizing diode array D3 and an RS485-B end, the 6 th pin of the chip U3 is connected in parallel with the other end of the resistor R6, the other end of the resistor R11, the second pin of the zener diode array D3 and the RS485-A end, the other end of the resistor R7 is grounded, the other end of the inductor C9 is grounded, and the third pin of the zener diode array D3 is grounded; the master control circuit further comprises a connector J4, wherein the 3 rd pin of the connector J4 is connected with the GND end and is grounded, the 2 nd pin is connected with the RS485-A end, and the 1 st pin is connected with the RS485-B end, so that a 485 communication branch circuit is formed.
The utility model has the advantages that: the utility model discloses an intelligent fire control end system of trying water, comprising a water pipe, install the device of trying water on the water pipe, the device of trying water includes main control circuit, the last electric valve module, orientation module, pressure sensor module, data transmission module, LOAR wireless module and the power module that are provided with central microcomputer processing module and are connected with central microcomputer processing module electricity of main control circuit, and central microcomputer processing module passes through LOAR wireless module is connected with the server host computer, and every device of trying water possesses an equipment address, and the server host computer that is located distal end fire-fighting water pump room reads every device of trying water's operational aspect and data according to address timing control, and the single data receiving and dispatching distance of the LORA wireless technology that adopts can reach 8 kilometers under the spacious regional condition. Meanwhile, the network of the LORA wireless module belongs to an autonomous network, so that the construction and operation cost is lower than that of a scheme adopting a network operator in the market, and the LORA wireless module is not limited by the network operator.
Drawings
FIG. 1 is a schematic diagram of the principle structure of the present invention;
FIG. 2 is a schematic view of the working principle of the present invention;
fig. 3 is a schematic structural diagram of the main control circuit of the present invention;
fig. 4 is a circuit diagram of the LORA communication subsection of the main control circuit of the present invention;
FIG. 5 is a circuit diagram of the input/output sub-part of the display screen of the main control circuit of the present invention;
FIG. 6 shows the programmable memory control circuit of the main control circuit of the present invention
Fig. 7 is a circuit diagram of the input/output expansion branch of the main control circuit of the present invention;
fig. 8 is a circuit diagram of a reset switch subsection of the main control circuit of the present invention;
fig. 9 is a circuit diagram of a filtering subsection of the main control circuit of the present invention;
FIG. 10 is a partial circuit diagram of the pressure gauge of the main control circuit of the present invention;
fig. 11 is a circuit diagram of a plug subsection of the main control circuit of the present invention;
fig. 12 is an LED light-emitting indicating circuit of the main control circuit of the present invention;
fig. 13 is a circuit diagram of 485 communication branch of the main control circuit of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 13, an intelligent fire-fighting terminal water testing system comprises a water pipe, a water testing device is installed on the water pipe, the water testing device comprises a main control circuit, a central microcomputer processing module, an electric valve module, a positioning module, a pressure sensor module, a data transmission module, a load wireless module and a power supply module are arranged on the main control circuit, the electric valve module, the positioning module, the pressure sensor module, the data transmission module, the load wireless module and the power supply module are electrically connected with the central microcomputer processing module, the central microcomputer processing module is connected with a server host through the load wireless module, the electric valve module, the positioning module and the pressure sensor module are electrically connected with the central microcomputer processing module through the data transmission module and transmit related data to the central microcomputer processing module, and the main working flow is as follows: first, the CPU module
The main control circuit comprises a main control chip U2, wherein the 1 st pin on the left side of the main control chip U2 is connected with one end of a diode D6 and one end of a diode D7 in parallel, the other end of the diode D6 is connected with the VCC3V3 end, the other end of a diode D7 is connected with the anode of a battery BAT1 and one end of an inductor C31 in parallel, the other end of an inductor C31 is connected with GND end ground, the 3 rd pin on the left side of the main control chip U2 is connected with one end of an inductor C32 and one end of a crystal oscillator Y2 in parallel, the 4 th pin on the left side of the main control chip U2 is connected with the other end of a crystal oscillator Y2 and one end of an inductor C33 in parallel, the 5 th pin on the left side of the main control chip U2 is connected with the 1 st pin of the crystal oscillator Y1 and one end of an inductor C6 in parallel, the 6 th pin on the left side of the main control chip U2 is connected with the 3 rd pin of the oscillator Y1 and one end of an inductor C7 in parallel, the negative electrode of the battery BAT1, the other end of the inductor C32, the other end of the inductor C33, the other end of the inductor C6, the No. 2 pin and the No. 4 pin of the crystal oscillator Y1 and the other end of the inductor C7 are connected in parallel and then connected with the GND end to be grounded;
the 7 th, 8 th and 9 th pins on the left side of the main control chip U2 are respectively connected with a RESET end, an ADC10 end and an ADC11 end; the 12 th pin on the left side of the main control chip U2 is connected with GND end ground, and the 13 th pin on the left side of the main control chip U2 is connected with VCC3V3 end; the 15 th to 19 th pins on the left side of the main control chip U2 are respectively connected with a 485-WR end, a UART2-TX end, a UART2-RX end, a grounding end and a VCC3V3 end; the 22 nd to 27 th pins on the left side of the main control chip U2 are respectively connected with an X4 terminal, an X3 terminal, an X2 terminal, an X1 terminal, a Y2 terminal and a Y1 terminal; the 31 st pin and the 32 th pin on the left side of the main control chip U2 are respectively connected with a grounding end and a VCC3V3 end;
the 64 th to 52 th pins on the right side of the main control chip U2 are respectively connected with a VCC3V3 terminal, a grounding terminal, a GPIO1 terminal, a GPIO2 terminal, a grounding terminal, an OLED-I2C-SDA terminal, an OLED-I2C-SCL terminal, a GPIO3 terminal, a GPIO4 terminal, a GPIO5 terminal, a GPIO6 terminal, a GPIO7 terminal and a GPIO8 terminal; the 49 th to 41 th ends on the right side of the main control chip U2 are respectively connected with an SWCLK end, a VCC3V3 end, a grounding end, an SWDIO end, an M0 end, an M1 end, a UART2-RX end, a UART2-TX end and an RUX end; the 39 th to 37 th pins on the right side of the main control chip U2 are respectively connected with the MCU-LED end, the 12C-SCL end and the 12C-SDA end;
the main control circuit further comprises a switch SW1, wherein a No. 2 pin of the switch SW1 is connected with one end of an inductor C8 and one end of a resistor R5 and then connected with a RESET end, a No. 1 pin of the switch SW1 is connected with the other end of an inductor C8 in parallel and then connected with a GND end grounding end, and the other end of the resistor R5 is connected with a VCC3V3 end to form a RESET switch sub-circuit;
the main control circuit further comprises a chip U4, the 1 st to 4 th pins on the left side of the chip U4 are connected with a GND terminal and grounded, the 8 th pin on the right side of the chip U4 is connected with one end of a capacitor C10 and grounded, the 7 th pin on the right side of the chip U4 is connected with the GND terminal and grounded, the 6 th pin on the right side of the chip U4 is connected with one end of an I2C-SCL terminal and rear connecting resistor R12 and rear connecting one end of a VCC3V3 terminal, the 5 th pin on the right side of the chip U4 is connected with one end of an I2C-SDA terminal and rear connecting resistor R13 and rear connecting one end of the resistor R3 and VCC3V3 terminals, the other end of the resistor R13, the other end of the resistor R12 and one end of the VCC3V3 terminal are connected in parallel and then connected with one end of a capacitor C10 and grounded, so as to form a programmable memory control branch circuit;
the main control circuit further comprises a connector J5, a pin 2 of the connector J5 is connected with one end of a SWDIO terminal rear connection resistor R9, a pin 3 of the connector J5 is connected with one end of a SWCLK terminal rear connection resistor R10, the other end of the resistor R9, the other end of the resistor R10 and a pin 1 of the connector J5 are connected in parallel and then connected with a VCC3V3 terminal, and a pin 4 of the connector J5 is connected with a GND terminal and grounded to form an SWD download interface subsection circuit;
the main control circuit further comprises a light-emitting LED3, one end of the light-emitting LED3 is connected with the VCC3V3 end after being connected with a resistor R8 in series, and the other end of the light-emitting LED3 is connected with the MCU-LED end to form an LED light-emitting indicating circuit;
the main control circuit further comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a capacitor C5 which are connected in parallel, one end of each of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4 and the capacitor C5 is connected with a VCC3V3 end, and the other end of each of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4 and the capacitor C5 is connected with a GND end and grounded to form a filtering subsection circuit;
the main control circuit further comprises a connector J3, wherein the 1 st pin VCC3V3 end of the connector J3 is connected, the 2 nd pin is connected with the OLED-I2C-SCL end, the 3 rd pin is connected with the OLED-I2C-SDA end, the 4 th pin is connected with the GND end and grounded to form a display screen input and output branch circuit;
the main control circuit further comprises a chip MD1, pins 5, 6, 7, 8, 9, 10 and 1 on the left side of the chip MD1 are respectively connected with an M0 end, an M1 end, a UART1-TX end, a UART1-RX end, an AUX end, a VCC3V3 end and a GND end and are grounded, pins 13, 19, 20 and 22 on the right side of the chip MD1 are connected with the GND end and are connected with an antenna 21 on the right side of the chip MD1 to form a LORA communication branch circuit;
the main control circuit further comprises pressure gauges P1, P2, P3 and P4, wherein one ends of the pressure gauges P1, P2, P3 and P4 are connected with the GND end in parallel and grounded to form a pressure gauge branch circuit;
the main control circuit further comprises a connector J8, wherein pins 1-10 of the connector J8 are respectively connected with a GPIO1 terminal, a GPIO2 terminal, a GPIO3 terminal, a GPIO4 terminal, a GPIO6 terminal, a GPIO7 terminal, a GPIO8 terminal, a VCC3V3 terminal and a GND grounding terminal.
In this embodiment, in addition to the LORA communication method, the embodiment may also be compatible with a wired communication method such as a 485 communication method, and the specific implementation thereof is as follows:
the master control circuit also comprises a chip U3, the 1 st pin of the chip U3 is connected with the UART1-RX terminal, the 2 nd pin and the 3 rd pin of the chip U3 are connected in parallel and then connected with 485-WR, the 4 th pin of the chip U3 is connected with the UART1-TX terminal, the 5 th pin of the chip U3 is grounded, the 8 th pin of the chip U3 is connected in parallel with one end of an inductor C9, a VCC3V3 end and one end of a resistor R6, the 7 th pin of the chip U3 is connected in parallel with one end of a resistor R7, one end of a resistor R11, a first pin of a voltage stabilizing diode array D3 and an RS485-B end, the 6 th pin of the chip U3 is connected in parallel with the other end of the resistor R6, the other end of the resistor R11, the second pin of the zener diode array D3 and the RS485-A end, the other end of the resistor R7 is grounded, the other end of the inductor C9 is grounded, and the third pin of the zener diode array D3 is grounded; the master control circuit further comprises a connector J4, wherein the 3 rd pin of the connector J4 is connected with the GND end and is grounded, the 2 nd pin is connected with the RS485-A end, and the 1 st pin is connected with the RS485-B end, so that a 485 communication branch circuit is formed.
In a system, each water test device has an equipment address, and a host machine positioned in a remote fire water pump chamber controls and reads the operation condition and data of each water test device according to the address timing.
The specific process is as follows:
step one, setting a communication channel and an address of each water testing device;
secondly, the server mainframe box sends a data reading instruction to each address;
thirdly, opening the electric valve and checking whether the water pressure changes;
step four, judging whether the water pressure value changes, if not, sending a fault state signal to the server host, and if so, entering the step five;
fifthly, the water testing device sends the opening and closing state and the water pressure value of the electric valve to the server host;
and sixthly, judging whether the water pressure value is lower than a set value, if so, sending a fault state signal to the server host, and if not, finishing the inspection.
When the water pressure value is found to be lower than the set value in the checking period or the device is found to be abnormal in operation, the water testing device sends a fault code of the fault and the occurrence date of the fault to the host machine so as to analyze and track the fault in the future.
The greatest advantage of this design is the adoption of LORA wireless transmission technology instead of the traditional bus/wired transmission scheme. The single data transmitting and receiving distance of the adopted LORA wireless technology can reach 8 kilometers under the condition of an open area. When the data transmission distance exceeds the sending distance of the LORA wireless module, a chain network structure is formed between the modules by using the wireless relay function, and data is transmitted from one wireless module to the adjacent wireless module and finally transmitted to the host. Meanwhile, the network of the LORA wireless module belongs to an autonomous network, so that the construction and operation cost is lower than that of a scheme adopting a network operator in the market, and the LORA wireless module is not limited by the network operator.
Through adopting this design to wireless replacement wire transmission scheme has greatly reduced the installation of intelligent terminal water installation of trying and the maintenance cost in the future. Moreover, the LORA wireless technology adopted by the design is adopted, and the installation of the water testing device is not limited by distance factors.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (3)
1. The utility model provides an intelligence fire control end system of trying water, includes the water pipe, characterized by: the water testing device is installed on the water pipe and comprises a main control circuit, a central microcomputer processing module, an electric valve module, a positioning module, a pressure sensor module, a data transmission module, a LOAR wireless module and a power supply module are arranged on the main control circuit and electrically connected with the central microcomputer processing module, and the central microcomputer processing module is connected with a server host through the LOAR wireless module.
2. The intelligent fire-fighting terminal water test system as recited in claim 1, characterized in that: the main control circuit comprises a main control chip U2, wherein the 1 st pin on the left side of the main control chip U2 is connected with one end of a diode D6 and one end of a diode D7 in parallel, the other end of the diode D6 is connected with the VCC3V3 end, the other end of a diode D7 is connected with the anode of a battery BAT1 and one end of an inductor C31 in parallel, the other end of an inductor C31 is connected with GND end ground, the 3 rd pin on the left side of the main control chip U2 is connected with one end of an inductor C32 and one end of a crystal oscillator Y2 in parallel, the 4 th pin on the left side of the main control chip U2 is connected with the other end of a crystal oscillator Y2 and one end of an inductor C33 in parallel, the 5 th pin on the left side of the main control chip U2 is connected with the 1 st pin of the crystal oscillator Y1 and one end of an inductor C6 in parallel, the 6 th pin on the left side of the main control chip U2 is connected with the 3 rd pin of the oscillator Y1 and one end of an inductor C7 in parallel, the negative electrode of the battery BAT1, the other end of the inductor C32, the other end of the inductor C33, the other end of the inductor C6, the No. 2 pin and the No. 4 pin of the crystal oscillator Y1 and the other end of the inductor C7 are connected in parallel and then connected with the GND end to be grounded;
the 7 th, 8 th and 9 th pins on the left side of the main control chip U2 are respectively connected with a RESET end, an ADC10 end and an ADC11 end; the 12 th pin on the left side of the main control chip U2 is connected with GND end ground, and the 13 th pin on the left side of the main control chip U2 is connected with VCC3V3 end; the 15 th to 19 th pins on the left side of the main control chip U2 are respectively connected with a 485-WR end, a UART2-TX end, a UART2-RX end, a grounding end and a VCC3V3 end; the 22 nd to 27 th pins on the left side of the main control chip U2 are respectively connected with an X4 terminal, an X3 terminal, an X2 terminal, an X1 terminal, a Y2 terminal and a Y1 terminal; the 31 st pin and the 32 th pin on the left side of the main control chip U2 are respectively connected with a grounding end and a VCC3V3 end;
the 64 th to 52 th pins on the right side of the main control chip U2 are respectively connected with a VCC3V3 terminal, a grounding terminal, a GPIO1 terminal, a GPIO2 terminal, a grounding terminal, an OLED-I2C-SDA terminal, an OLED-I2C-SCL terminal, a GPIO3 terminal, a GPIO4 terminal, a GPIO5 terminal, a GPIO6 terminal, a GPIO7 terminal and a GPIO8 terminal; the 49 th to 41 th ends on the right side of the main control chip U2 are respectively connected with an SWCLK end, a VCC3V3 end, a grounding end, an SWDIO end, an M0 end, an M1 end, a UART2-RX end, a UART2-TX end and an RUX end; the 39 th to 37 th pins on the right side of the main control chip U2 are respectively connected with the MCU-LED end, the 12C-SCL end and the 12C-SDA end;
the main control circuit further comprises a switch SW1, wherein a No. 2 pin of the switch SW1 is connected with one end of an inductor C8 and one end of a resistor R5 and then connected with a RESET end, a No. 1 pin of the switch SW1 is connected with the other end of an inductor C8 in parallel and then connected with a GND end grounding end, and the other end of the resistor R5 is connected with a VCC3V3 end to form a RESET switch sub-circuit;
the main control circuit further comprises a chip U4, the 1 st to 4 th pins on the left side of the chip U4 are connected with a GND terminal and grounded, the 8 th pin on the right side of the chip U4 is connected with one end of a capacitor C10 and grounded, the 7 th pin on the right side of the chip U4 is connected with the GND terminal and grounded, the 6 th pin on the right side of the chip U4 is connected with one end of an I2C-SCL terminal and rear connecting resistor R12 and rear connecting one end of a VCC3V3 terminal, the 5 th pin on the right side of the chip U4 is connected with one end of an I2C-SDA terminal and rear connecting resistor R13 and rear connecting one end of the resistor R3 and VCC3V3 terminals, the other end of the resistor R13, the other end of the resistor R12 and one end of the VCC3V3 terminal are connected in parallel and then connected with one end of a capacitor C10 and grounded, so as to form a programmable memory control branch circuit;
the main control circuit further comprises a connector J5, a pin 2 of the connector J5 is connected with one end of a SWDIO terminal rear connection resistor R9, a pin 3 of the connector J5 is connected with one end of a SWCLK terminal rear connection resistor R10, the other end of the resistor R9, the other end of the resistor R10 and a pin 1 of the connector J5 are connected in parallel and then connected with a VCC3V3 terminal, and a pin 4 of the connector J5 is connected with a GND terminal and grounded to form an SWD download interface subsection circuit;
the main control circuit further comprises a light-emitting LED3, one end of the light-emitting LED3 is connected with the VCC3V3 end after being connected with a resistor R8 in series, and the other end of the light-emitting LED3 is connected with the MCU-LED end to form an LED light-emitting indicating circuit;
the main control circuit further comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a capacitor C5 which are connected in parallel, one end of each of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4 and the capacitor C5 is connected with a VCC3V3 end, and the other end of each of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4 and the capacitor C5 is connected with a GND end and grounded to form a filtering subsection circuit;
the main control circuit further comprises a connector J3, wherein the 1 st pin VCC3V3 end of the connector J3 is connected, the 2 nd pin is connected with the OLED-I2C-SCL end, the 3 rd pin is connected with the OLED-I2C-SDA end, the 4 th pin is connected with the GND end and grounded to form a display screen input and output branch circuit;
the main control circuit further comprises a chip MD1, pins 5, 6, 7, 8, 9, 10 and 1 on the left side of the chip MD1 are respectively connected with an M0 end, an M1 end, a UART1-TX end, a UART1-RX end, an AUX end, a VCC3V3 end and a GND end and are grounded, pins 13, 19, 20 and 22 on the right side of the chip MD1 are connected with the GND end and are connected with an antenna 21 on the right side of the chip MD1 to form a LORA communication branch circuit;
the main control circuit further comprises pressure gauges P1, P2, P3 and P4, wherein one ends of the pressure gauges P1, P2, P3 and P4 are connected with the GND end in parallel and grounded to form a pressure gauge branch circuit;
the main control circuit further comprises a connector J8, wherein pins 1-10 of the connector J8 are respectively connected with a GPIO1 terminal, a GPIO2 terminal, a GPIO3 terminal, a GPIO4 terminal, a GPIO6 terminal, a GPIO7 terminal, a GPIO8 terminal, a VCC3V3 terminal and a GND grounding terminal to form a plug branch circuit.
3. The intelligent fire-fighting terminal water test system as recited in claim 2, characterized in that: the master control circuit also comprises a chip U3, the 1 st pin of the chip U3 is connected with the UART1-RX terminal, the 2 nd pin and the 3 rd pin of the chip U3 are connected in parallel and then connected with 485-WR, the 4 th pin of the chip U3 is connected with the UART1-TX terminal, the 5 th pin of the chip U3 is grounded, the 8 th pin of the chip U3 is connected in parallel with one end of an inductor C9, a VCC3V3 end and one end of a resistor R6, the 7 th pin of the chip U3 is connected in parallel with one end of a resistor R7, one end of a resistor R11, a first pin of a voltage stabilizing diode array D3 and an RS485-B end, the 6 th pin of the chip U3 is connected in parallel with the other end of the resistor R6, the other end of the resistor R11, the second pin of the zener diode array D3 and the RS485-A end, the other end of the resistor R7 is grounded, the other end of the inductor C9 is grounded, and the third pin of the zener diode array D3 is grounded; the master control circuit further comprises a connector J4, wherein the 3 rd pin of the connector J4 is connected with the GND end and is grounded, the 2 nd pin is connected with the RS485-A end, and the 1 st pin is connected with the RS485-B end, so that a 485 communication branch circuit is formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021638849.9U CN213814348U (en) | 2020-08-08 | 2020-08-08 | Intelligent fire-fighting terminal water testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021638849.9U CN213814348U (en) | 2020-08-08 | 2020-08-08 | Intelligent fire-fighting terminal water testing system |
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| CN213814348U true CN213814348U (en) | 2021-07-27 |
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| CN202021638849.9U Active CN213814348U (en) | 2020-08-08 | 2020-08-08 | Intelligent fire-fighting terminal water testing system |
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