A water heating pipe structure for prefabricated building walls
A building wall, prefabricated technology, applied in water supply mains, water supply pipeline systems, buildings, etc., can solve the problem of undisclosed lower computer obtaining temperature characteristic parameters, poor temperature adjustment accuracy of external radiators, and temperature parameter signal preprocessing. and other problems, to achieve the effect of improving the monitoring range and accuracy, facilitating analysis and processing, and improving accuracy
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Embodiment 1
[0056] Such as figure 1 As shown, a water and heating pipeline structure for a prefabricated building wall; including a mechanical mechanism and a detection system; the mechanical mechanism includes a first three-way joint 1, and one side of the first three-way joint 1 is connected to a heating pipeline At the end of the water inlet pipe, the other side of the first three-way joint 1 is connected with a first valve 2, and the other side of the first valve 2 is connected with a first screw joint 3, and the other side of the first screw joint 3 The side is provided with a through hole, and a sliding rod 4 is arranged in the through hole, and the other end of the sliding rod 4 is provided with a second screw joint 5, and the sliding rod 4 has a gap between the first screw joint 3 and the second screw joint 5. sliding connection; the other end of the second screw joint 5 is connected with a second valve 11, and the other end of the second valve 11 is connected with a second three-...
Embodiment 2
[0061] Such as Figure 2-4 As shown, on the basis of Embodiment 1, the detection system includes a signal acquisition module, a control module, a GSM module and an execution module, a WiFi module, and a user terminal; the signal acquisition module includes a flow sensor, a mechanical mechanism, and a capacitance differential pressure Sensors, temperature sensors, and signal acquisition modules collect alarm data and send them to the single-chip microcomputer. When it is determined that there is a water leakage signal or the pressure in the heating pipe decreases, the sound and light alarm device of the execution module sends a reminder message to the user through the GSM module. Control the first valve 2 to close.
[0062] The GSM module and the user terminal adopt a chain communication mode through the WiFi module.
[0063] The chain communication is that the WiFi transceiver converter first sends a networking signal, and the wireless WiFi module that receives the networking...
Embodiment 3
[0073] Such as Figure 5-7 As shown, on the basis of Embodiment 1, the flow sensor circuit of the detection system includes an LM324 chip, and its Vi- and Vo are connected to form a voltage generator, and the same input terminal voltage is used as the reference voltage to output from the Vo terminal, and the flow rate The analog signal output by the sensor TS2 is 4-20mA, which is converted into a 1-5V voltage signal and connected to the Vi+ non-inverting input terminal through the series resistance R7 = 250k ohms. A resistor R6=100k ohms is connected in series with the input end ADC of the microcontroller.
[0074] The capacitive differential pressure sensor circuit of the detection system includes a YC3015 type capacitive differential sensor and an LM324 chip, and a resistor R13 is connected in series to avoid abnormal signals from damaging the chip. The resistor R13 filter realizes low-pass filtering and improves signal quality.
[0075] The alarm circuit set by the mechan...
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