CN212365171U - Wireless monitoring alarm device for gas water heating system - Google Patents
Wireless monitoring alarm device for gas water heating system Download PDFInfo
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- CN212365171U CN212365171U CN202020717665.5U CN202020717665U CN212365171U CN 212365171 U CN212365171 U CN 212365171U CN 202020717665 U CN202020717665 U CN 202020717665U CN 212365171 U CN212365171 U CN 212365171U
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Abstract
The utility model relates to a wireless monitoring alarm device for gas hot-water heating system, it includes the box body, and the circuit in the box body, the circuit includes: the signal acquisition module is used for acquiring and transmitting a field detection signal; the comparison circuit is used for receiving the electric signal detected by the sensor and the reference signal and comparing the electric signal and the reference signal, and when the detection signal is higher than the reference signal, a high-level signal is output; the alarm circuit is coupled with the output end of the comparison circuit and responds to the output signal of the comparison circuit to send out an acousto-optic alarm signal; and the communication circuit is coupled to the output end of the comparison circuit and responds to the output signal of the comparison circuit to send out an alarm signal. The utility model discloses have and implement the detection to gas hot water heating system to pass through the effect of network transmission to cell-phone end with the detected signal.
Description
Technical Field
The utility model belongs to the technical field of the technique of control warning device and specifically relates to a wireless monitoring alarm device for gas hot-water heating system is related to.
Background
In the gas hot water heating system, the monitoring device can be used for monitoring the gas leakage condition, whether water leakage occurs or not and the water temperature in real time, so that the working personnel can know the operation condition of the system and maintain the fault position.
Chinese patent with publication number CN208805537U discloses an alarm circuit, which comprises: the detection device comprises a detection unit, an input unit and a connection unit, wherein one end of the connection unit is connected with a power supply, the other end of the connection unit is grounded, the input unit and the connection unit are electrically connected with a detection point, and the detection unit is electrically connected with the detection point; the input unit is used for receiving fault information, wherein when the input unit receives the fault information, voltage values at two ends of the input unit are changed to change the voltage values of the detection points, and the detection unit is used for detecting the voltage values of the detection points and sending the voltage values to a control unit so that the control unit triggers alarm information.
The above prior art solutions have the following drawbacks: the circuit only comprises the detection unit, the connection unit and the input unit, and no alarm circuit is used for carrying out alarm indication, when the working personnel are in different places, no communication circuit is used for carrying out networking transmission on fault information in time, and the circuit is not beneficial to monitoring the working personnel in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wireless monitoring alarm device for gas hot-water heating system, it has carries out the detection to gas hot-water heating system to with the advantage of detected signal through network transmission to cell-phone end.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a wireless monitoring alarm device for gas hot-water heating system, includes the box body, and the circuit in the box body, the circuit includes:
the signal acquisition module is used for acquiring and transmitting signals of temperature, water immersion and methane concentration on site;
the comparison circuit is used for receiving the electric signal output by the signal acquisition module and the reference signal and comparing the electric signal with the reference signal, outputting a low level signal when the detection signal is lower than the reference signal, and outputting a high level signal when the detection signal is higher than the reference signal;
the alarm circuit is coupled with the output end of the comparison circuit and responds to the high level signal output by the comparison circuit to send out acousto-optic alarm;
and the communication circuit is coupled to the output end of the comparison circuit and responds to the output signal of the comparison circuit to send out an alarm signal.
By adopting the technical scheme, in the normal use process, the on-site environment is detected through the signal acquisition module, the detected electric signal is transmitted to the comparison circuit, the comparison circuit compares the detection signal with the reference signal, when the detection signal is greater than the reference signal, the control signal is output, the warning circuit is used for warning, and meanwhile, the communication circuit transmits the detection result to the mobile phone end through the network, so that a person in charge in different places can timely know the on-site detection condition.
The present invention may be further configured in a preferred embodiment as: the sensor comprises a temperature sensor, a water immersion sensor and a methane sensor, wherein the temperature sensor, the water immersion sensor and the methane sensor respectively detect the temperature, the water immersion and the methane concentration information in the heating system in real time and transmit the information to a signal input port of the comparison circuit.
By adopting the technical scheme, the temperature signal, the immersion signal and the methane signal in the gas hot water heating system can be transmitted to the comparison circuit through the connection of the three sensors, the conditions of overhigh temperature or overlow temperature, water leakage or methane leakage can be detected in the gas hot water heating system in time, and the normal operation of each link in the system can be ensured.
The present invention may be further configured in a preferred embodiment as: the comparison circuit includes:
the LM339 chip is provided with three positive input pins which are coupled with the output end of the signal acquisition module, and the three positive input pins are compared with a reference signal input to the negative pin to output a digital signal;
and the input pins of the OR gate circuit are coupled to three output ends of the LM339 chip, and the output end of the OR gate circuit is coupled to the alarm circuit.
By adopting the technical scheme, 4 comparators are integrated in the LM339, can receive the detection signals of the three sensors and compare the detection signals with the reference signals, and two OR gate circuits connected with the output ends of the comparators can output high level when the detection signal of a certain path is higher than the reference signal, so that the switching-on of the alarm circuit can be controlled; otherwise, a low level is output, and the alarm circuit is disconnected.
The present invention may be further configured in a preferred embodiment as: the warning circuit comprises a Light Emitting Diode (LED) and a buzzer H, wherein the LED VD and the buzzer H are arranged on the box body and can give out sound and light warning.
By adopting the technical scheme, the light-emitting diode and the buzzer H can emit sound and light warning signals, so that the warning effect of the equipment is improved.
The present invention may be further configured in a preferred embodiment as: the alarm circuit comprises a triode and a relay coupled to an emitting electrode of the triode, and is used for controlling the on-off of the light emitting diode VD and the buzzer H.
By adopting the technical scheme, the output end of the comparison circuit is coupled with the triode, when the comparison circuit outputs a high level, the triode is conducted, the light emitting diode VD and the buzzer H are communicated through the relay, and the audible and visual alarm is given out.
The present invention may be further configured in a preferred embodiment as: the communication circuit comprises a processor and a WIFI module and is used for sending out an alarm signal.
Through adopting above-mentioned technical scheme, behind the comparison circuit output high level, accessible triode and relay's effect transmits the high level to the treater to report an emergency and ask for help or increased vigilance information transmission cell-phone end through the WIFI module, make relevant staff know the operational aspect of system in other places equally.
The present invention may be further configured in a preferred embodiment as: the comparison circuit, the alarm circuit and the communication circuit are integrated on the PCB, and the PCB is detachably connected inside the box body.
By adopting the technical scheme, the maintenance of the PCB can be conveniently carried out by disassembling the PCB, the operation is simple and convenient, and the practicability effect of the equipment is increased.
The present invention may be further configured in a preferred embodiment as: and the PCB is provided with a wiring terminal coupled to the input end of the comparison circuit and used for connecting a signal transmission lead of the sensor.
Through adopting above-mentioned technical scheme, binding post rigid coupling is on the PCB board to coupling is at comparison circuit's input, can play the effect of transition to the detected signal of sensor, makes to connect installation sensor and change the sensor more convenient.
To sum up, the utility model discloses a following at least one useful technological effect:
1. in the normal use process, the on-site environment is detected through the signal acquisition module, the detected electric signal is transmitted to the comparison circuit, the comparison circuit compares the detection signal with the reference signal, when the detection signal is greater than the reference signal, a control signal is output, the warning is carried out through the warning circuit, and meanwhile, the communication circuit transmits the detection result to the mobile phone end through the network, so that relevant workers in different places can timely know the on-site detection condition.
2. Through can dismantle on the PCB board so that carry out the maintenance of PCB board, easy operation is convenient, and the binding post of connecting on the PCB board can play the effect of transition to the detected signal of sensor, makes to connect the installation sensor and change the sensor more convenient.
Drawings
Fig. 1 is a circuit diagram of the signal acquisition module and the comparison circuit of the present invention.
Fig. 2 is a circuit diagram of the alarm circuit of the present invention.
Fig. 3 is a diagram of a communication module in the present invention.
Fig. 4 is a schematic view of the shell structure of the present invention.
Reference numerals: 11. a temperature sensor; 12. a water immersion sensor; 13. a methane sensor; 2. a comparison circuit; 3. an alarm circuit; 4. a communication circuit; 5. and a terminal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, for the utility model discloses a wireless monitoring alarm device for gas water heating system, including signal acquisition module, comparison circuit 2, alarm circuit 3 and communication circuit 4.
The signal acquisition module comprises a temperature sensor 11, a water immersion sensor 12 and a methane sensor 13, and is used for detecting the temperature, the immersion and the methane concentration in the gas hot water heating system, the comparison circuit 2 comprises an LM339 chip and two OR gate circuits, four comparators are integrated in the LM339 chip, connecting wires of the three sensors are respectively coupled to three signal input ends of the LM339 chip and respectively correspond to signal input terminals of the three comparators in the LM339 chip, and three reference signals Vref1, Vref2 and Vref3 are respectively input into the other three opposite signal input terminals of the LM339 chip and are used for comparing detection signals of the sensors; two or gates are coupled to three signal output ports of the LM339 chip, wherein two signal output ports are coupled to two inputs of the first or gate, and the other output port of the LM339 chip and the output of the first or gate are connected to two inputs of the second or gate.
The warning circuit 3 comprises a triode V and a relay KA, the base of the triode V is coupled with the signal output end of the second OR gate, the collector of the triode V is connected with a current-limiting resistor R1 in series, a high level Vcc is input to the other end of the current-limiting resistor R1, the emitter of the triode V is connected with one end of a coil of the relay KA in series, the other end of the relay KA is grounded, and the base of the triode V is high level and then can be switched on, so that the relay KA acts.
The alarm circuit 3 further comprises a light-emitting diode VD and buzzers H connected in parallel at two ends of the light-emitting diode VD, the anode of the light-emitting diode VD is connected in series with a normally open contact of a relay KA, and the other end of the normally open contact of the relay KA is connected with a high level Vcc; the connection point of the cathode of the light emitting diode VD and the cathode of the buzzer H is grounded through a current limiting resistor R2.
The communication circuit 4 comprises a processor and a WIFI module, wherein the processor is coupled to a normally open contact of the relay KA, namely, the processor is connected with the warning circuit 3 in parallel and used for sending a warning signal to the mobile phone end through the WIFI module.
The comparison circuit 2, the alarm circuit 3 and the communication circuit 4 are integrated on a PCB board, the PCB board is bolted inside the box body 1, as shown in fig. 4, the PCB board is fixedly connected with a wiring terminal 5, and is coupled to the input end of the comparison circuit 2 for connecting a signal transmission wire of the sensor.
The implementation principle of the embodiment is as follows: three sensors of the signal detection module convert detected temperature information, detected water immersion information and detected methane concentration information into electric signals, the electric signals are transmitted to a signal input end of the comparison circuit 2, detection signals are compared with a reference signal Vref, if the three detection signals are all smaller than the corresponding reference signals, the output end of the comparison circuit 2 is a low level signal, and an alarm loop is not triggered; if three detected signal have at least all the way be greater than corresponding reference signal Vref, then high level signal will be output to comparison circuit 2's output to trigger triode V switches on, and the relay KA coil circular telegram of connection on triode V makes its normally open contact closed, then switches on warning return circuit and communication circuit, and emitting diode VD and bee calling organ H send out and report an emergency and ask for help or increased vigilance audible and visual information, and communication circuit passes through treater and WIFI module with warning signal through network routing to cell-phone end.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a wireless monitoring alarm device for gas hot-water heating system, includes box body (1), and the circuit in box body (1), its characterized in that: the circuit comprises:
the signal acquisition module is used for acquiring and transmitting on-site temperature, immersion and methane detection signals;
the comparison circuit (2) is used for receiving the electric signal output by the signal acquisition module and the reference signal and comparing the electric signal with the reference signal, when the detection signal is lower than the reference signal, a low level signal is output, and when the detection signal is higher than the reference signal, a high level signal is output;
the alarm circuit (3) is coupled with the output end of the comparison circuit (2) and responds to the high level signal output by the comparison circuit (2) to send out acousto-optic alarm;
and the communication circuit (4) is coupled with the output end of the comparison circuit (2) and responds to the output signal of the comparison circuit (2) to send out an alarm signal.
2. The wireless monitoring and alarming device for the gas water heating system according to claim 1, wherein: the signal acquisition module comprises a temperature sensor (11), a water sensor (12) and a methane sensor (13), wherein the temperature sensor (11), the water sensor (12) and the methane sensor (13) respectively detect the temperature, the water immersion and the methane concentration information in the heating system in real time and transmit the information to a signal input port of the comparison circuit (2).
3. The wireless monitoring and alarming device for the gas water heating system according to claim 1, wherein: the comparison circuit (2) comprises:
the LM339 chip is provided with three positive input pins which are coupled with the output end of the signal acquisition module, and the three positive input pins are compared with a reference signal input to the negative pin to output a digital signal;
and the input pins of the OR gate circuit are coupled to three output ends of the LM339 chip, and the output end of the OR gate circuit is coupled to the alarm circuit.
4. The wireless monitoring and alarming device for the gas water heating system according to claim 1, wherein: the alarm circuit (3) comprises a light-emitting diode VD and a buzzer H, wherein the light-emitting diode VD and the buzzer H are arranged on the box body and can give out sound and light alarm.
5. The wireless monitoring and alarming device for the gas water heating system according to claim 1, wherein: the alarm circuit (3) further comprises a triode V and a relay KA which is connected in series with an emitting electrode of the triode V and is used for controlling the on-off of the light-emitting diode VD and the buzzer H.
6. The wireless monitoring and alarming device for the gas water heating system according to claim 1, wherein: the communication circuit (4) comprises a processor and a WIFI module and is used for sending out alarm signals.
7. The wireless monitoring and alarming device for the gas water heating system according to claim 1, wherein: the comparison circuit (2), the alarm circuit (3) and the communication circuit (4) are integrated on the PCB, and the PCB is detachably connected inside the box body.
8. The wireless monitoring and alarming device for the gas water heating system according to claim 7, wherein: and the PCB is provided with a wiring terminal (5) which is coupled with the input end of the comparison circuit (2) and is used for connecting a signal transmission lead of the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020717665.5U CN212365171U (en) | 2020-05-06 | 2020-05-06 | Wireless monitoring alarm device for gas water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020717665.5U CN212365171U (en) | 2020-05-06 | 2020-05-06 | Wireless monitoring alarm device for gas water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212365171U true CN212365171U (en) | 2021-01-15 |
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ID=74135267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020717665.5U Active CN212365171U (en) | 2020-05-06 | 2020-05-06 | Wireless monitoring alarm device for gas water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212365171U (en) |
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2020
- 2020-05-06 CN CN202020717665.5U patent/CN212365171U/en active Active
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