阅读说明：本技术 一种暖气跑水报警装置及方法 (Heating water leakage alarm device and method ) 是由 陈涛 李建国 于 2021-09-23 设计创作，主要内容包括：本发明涉及一种暖气跑水报警装置及方法,该装置包括放大电路、控制电路、接收电路、驱动电路、声光报警器、电源和水感应头；水感应头设置在暖气片底部,一端连接电源一端接入放大电路；放大电路用于对监测信号进行放大并输入控制电路；控制电路包括扬声器,用于根据由放大电路输入的信号,控制扬声器输出音频信号；接收电路包括音频接收器,用于接收音频信号,转换为电信号并输入驱动电路；驱动电路包括继电器,声光报警器通过继电器中的接点开关连接220V交流电,驱动电路用于根据电信号驱动继电器中的接点开关变化,以控制声光报警器接通220V交流电；电源E用于为除声光报警器以外的元件供电。本发明具有灵敏度高,工作稳定可靠的优点。(The invention relates to a heating water leakage alarm device and a method, wherein the device comprises an amplifying circuit, a control circuit, a receiving circuit, a driving circuit, an audible and visual alarm, a power supply and a water induction head; the water induction head is arranged at the bottom of the heating radiator, one end of the water induction head is connected with a power supply, and the other end of the water induction head is connected with the amplifying circuit; the amplifying circuit is used for amplifying the monitoring signal and inputting the monitoring signal into the control circuit; the control circuit comprises a loudspeaker and is used for controlling the loudspeaker to output audio signals according to the signals input by the amplifying circuit; the receiving circuit comprises an audio receiver, a driving circuit and a control circuit, wherein the audio receiver is used for receiving an audio signal, converting the audio signal into an electric signal and inputting the electric signal into the driving circuit; the driving circuit comprises a relay, the audible and visual alarm is connected with 220V alternating current through a contact switch in the relay, and the driving circuit is used for driving the contact switch in the relay to change according to an electric signal so as to control the audible and visual alarm to be connected with the 220V alternating current; the power supply E is used for supplying power to elements except the audible and visual alarm. The invention has the advantages of high sensitivity and stable and reliable operation.)

1. The utility model provides a heating installation alarm device that runs out of water which characterized in that includes:

the device comprises an amplifying circuit, a control circuit, a receiving circuit, a driving circuit, an audible and visual alarm, a power supply E and at least one water induction head M;

the water induction head M is arranged at the bottom of the heating radiator, one end of the water induction head M is connected with the anode of a power supply E, and the other end of the water induction head M is connected with the amplifying circuit;

the amplifying circuit is used for amplifying a monitoring signal input by the water induction head M and inputting the monitoring signal into the control circuit;

the control circuit comprises a loudspeaker Y, and the control circuit is used for controlling the loudspeaker Y to output an audio signal according to the signal input by the amplifying circuit;

the receiving circuit comprises an audio receiver S for receiving the audio signal output by the loudspeaker Y, converting the audio signal into an electric signal and inputting the electric signal into the driving circuit;

the drive circuit comprises a relay J, the audible and visual alarm is connected with 220V alternating current through a contact switch in the relay J, and the drive circuit is used for driving the contact switch in the relay J to change according to an input electric signal so as to control the audible and visual alarm to be connected with the 220V alternating current;

and the power supply E is used for supplying power to elements except the audible and visual alarm.

2. A heater water run-out warning device according to claim 1, characterized in that:

the water induction device comprises a plurality of water induction heads M, wherein the water induction heads M are connected in parallel; the interval between two adjacent water induction heads M is 5-10M.

3. A heater water run-out warning device according to claim 1, characterized in that:

the amplifying circuit comprises a first resistor R1-a sixth resistor R6, a first capacitor C1, a second capacitor C2, a first triode BG1 and a double-base diode BG 2; the first capacitor C1 is an electrolytic capacitor, and the first triode BG1 is an NPN type triode;

one end of the first resistor R1 is connected to the water induction head M, and the other end of the first resistor R1 is connected with the grid of a first triode BG1 and is connected with the negative electrode of a power supply E through a second resistor R2; the source electrode of the first triode BG1 is connected with the negative electrode of the power supply E;

the negative electrode of the first capacitor C1 is connected with the drain electrode of the first triode BG1, the positive electrode of the first capacitor C1 is connected with the emitter electrode of a double-base diode BG2, the emitter electrode of the double-base diode BG2 is connected with the positive electrode of a power supply E through a third resistor R3, the second base electrode of the double-base diode BG2 is connected with the positive electrode of the power supply E through a fourth resistor R4, and the first base electrode of the first capacitor C1 is connected with the negative electrode of a fifth resistor R5;

after the second capacitor C2 and the sixth resistor R6 are connected in parallel, one end of the second capacitor C2 is connected with the first base electrode of the double-base-electrode diode BG2, and the other end of the second capacitor C2 is connected with the control circuit;

the negative pole of the power supply E is grounded through the switch K.

4. A heater warm-air water leakage alarm device according to claim 3, characterized in that:

the control circuit also comprises a third capacitor C3, a third triode BG3 and a fourth triode BG 4; the third capacitor C3 is an electrolytic capacitor, the third triode BG3 is an NPN type triode, and the fourth triode BG4 is a PNP type triode;

the gates of the third transistor BG3 and the fourth transistor BG4 are connected with the amplifying circuit; the drain electrode of the third triode BG3 is connected with the positive electrode of the power supply E, the source electrode of the third triode BG3 is connected with the source electrode of the fourth triode BG4, and the drain electrode of the fourth triode BG4 is connected with the negative electrode of the power supply E;

the anode of the third capacitor C3 is connected to the source of the third transistor BG3, and the cathode is connected to the cathode of the power supply E through the speaker Y.

5. A heater warm-air water leakage alarm device according to claim 3, characterized in that:

the receiving circuit further comprises a slide rheostat R7 and an eighth resistor R8, two fixed ends of the slide rheostat R7 are respectively connected with the positive electrode of the power supply E and the ground, one end of the audio receiver S is connected with the positive electrode of the power supply E, the other end of the audio receiver S is connected with the driving circuit, and the audio receiver S is connected with the sliding end of the slide rheostat R7 through the eighth resistor R8.

6. A warm air water leakage alarm device according to claim 5, characterized in that:

the driving circuit further comprises ninth to twelfth resistors R9 to R12, and a fifth and sixth transistor BG5 and BG 6; the fifth triode BG5 and the sixth triode BG6 are both PNP type low-frequency triodes;

the twelfth resistor R12, the eleventh resistor R11 and the ninth resistor R9 are sequentially connected in series and connected between the positive electrode of the power supply E and the ground;

the gate of the fifth triode BG5 is connected with the audio receiver S, the source is connected with the positive electrode of the power supply E through the tenth resistor R10, and the drain is connected between the eleventh resistor R11 and the ninth resistor R9; the gate of the sixth transistor BG6 is connected between the twelfth resistor R12 and the eleventh resistor R11, the source is connected to the source of the fifth transistor BG5, and the drain is grounded through the coil of the relay J.

7. A heater water run-out warning device according to claim 1, characterized in that:

the alarm system is characterized by further comprising an alarm transmitting module, wherein the alarm transmitting module is connected with the audible and visual alarm and used for transmitting signals to appointed terminal equipment when the audible and visual alarm gives an alarm.

8. A heating installation water run-out warning device according to any one of claims 1-7, characterized in that:

the power supply E is a battery.

9. A heating water leakage alarm method is characterized in that: a warm air water leakage alarm device according to any one of claims 1-8.

Technical Field

The invention relates to the technical field of alarm devices, in particular to a water leakage alarm device and method for a heater.

Background

The winter time of northeast and inner Mongolia areas is longer, and because the heating time of factories, enterprises, institutions and families is longer, the phenomenon of water leakage of the heater often occurs every winter, which causes great influence on the production and the life of people. In order to effectively reduce property loss, an alarm device specially used for water leakage of the heater is needed.

Disclosure of Invention

The invention aims to provide an alarm device and an alarm method specially used for water leakage of a heater aiming at least part of defects.

In order to achieve the above object, the present invention provides a water leakage alarm device for a heater, comprising:

the device comprises an amplifying circuit, a control circuit, a receiving circuit, a driving circuit, an audible and visual alarm, a power supply E and at least one water induction head M;

the water induction head M is arranged at the bottom of the heating radiator, one end of the water induction head M is connected with the anode of a power supply E, and the other end of the water induction head M is connected with the amplifying circuit;

the amplifying circuit is used for amplifying a monitoring signal input by the water induction head M and inputting the monitoring signal into the control circuit;

the control circuit comprises a loudspeaker Y, and the control circuit is used for controlling the loudspeaker Y to output an audio signal according to the signal input by the amplifying circuit;

the receiving circuit comprises an audio receiver S for receiving the audio signal output by the loudspeaker Y, converting the audio signal into an electric signal and inputting the electric signal into the driving circuit;

the drive circuit comprises a relay J, the audible and visual alarm is connected with 220V alternating current through a contact switch in the relay J, and the drive circuit is used for driving the contact switch in the relay J to change according to an input electric signal so as to control the audible and visual alarm to be connected with the 220V alternating current;

and the power supply E is used for supplying power to elements except the audible and visual alarm.

Optionally, the warm air water leakage alarm device comprises a plurality of water induction heads M, and each water induction head M is connected in parallel; the interval between two adjacent water induction heads M is 5-10M.

Optionally, the amplifying circuit includes a first resistor R1 to a sixth resistor R6, a first capacitor C1 and a second capacitor C2, a first transistor BG1 and a double-base diode BG 2; the first capacitor C1 is an electrolytic capacitor, and the first triode BG1 is an NPN type triode;

one end of the first resistor R1 is connected to the water induction head M, and the other end of the first resistor R1 is connected with the grid of a first triode BG1 and is connected with the negative electrode of a power supply E through a second resistor R2; the source electrode of the first triode BG1 is connected with the negative electrode of the power supply E;

the negative electrode of the first capacitor C1 is connected with the drain electrode of the first triode BG1, the positive electrode of the first capacitor C1 is connected with the emitter electrode of a double-base diode BG2, the emitter electrode of the double-base diode BG2 is connected with the positive electrode of a power supply E through a third resistor R3, the second base electrode of the double-base diode BG2 is connected with the positive electrode of the power supply E through a fourth resistor R4, and the first base electrode of the first capacitor C1 is connected with the negative electrode of a fifth resistor R5;

after the second capacitor C2 and the sixth resistor R6 are connected in parallel, one end of the second capacitor C2 is connected with the first base electrode of the double-base-electrode diode BG2, and the other end of the second capacitor C2 is connected with the control circuit;

the negative pole of the power supply E is grounded through the switch K.

Optionally, the control circuit further includes a third capacitor C3, a third transistor BG3, and a fourth transistor BG 4; the third capacitor C3 is an electrolytic capacitor, the third triode BG3 is an NPN type triode, and the fourth triode BG4 is a PNP type triode;

the gates of the third transistor BG3 and the fourth transistor BG4 are connected with the amplifying circuit; the drain electrode of the third triode BG3 is connected with the positive electrode of the power supply E, the source electrode of the third triode BG3 is connected with the source electrode of the fourth triode BG4, and the drain electrode of the fourth triode BG4 is connected with the negative electrode of the power supply E;

the anode of the third capacitor C3 is connected to the source of the third transistor BG3, and the cathode is connected to the cathode of the power supply E through the speaker Y.

Optionally, the receiving circuit further includes a slide rheostat R7 and an eighth resistor R8, two fixed ends of the slide rheostat R7 are respectively connected with the positive electrode of the power source E and the ground, one end of the audio receiver S is connected with the positive electrode of the power source E, the other end of the audio receiver S is connected with the driving circuit, and the slide rheostat R7 is connected with the eighth resistor R8.

Optionally, the driving circuit further includes ninth to twelfth resistors R9 to R12, and a fifth transistor BG5 and a sixth transistor BG 6; the fifth triode BG5 and the sixth triode BG6 are both PNP type low-frequency triodes;

the twelfth resistor R12, the eleventh resistor R11 and the ninth resistor R9 are sequentially connected in series and connected between the positive electrode of the power supply E and the ground;

the gate of the fifth triode BG5 is connected with the audio receiver S, the source is connected with the positive electrode of the power supply E through the tenth resistor R10, and the drain is connected between the eleventh resistor R11 and the ninth resistor R9; the gate of the sixth transistor BG6 is connected between the twelfth resistor R12 and the eleventh resistor R11, the source is connected to the source of the fifth transistor BG5, and the drain is grounded through the coil of the relay J.

Optionally, the heating water leakage alarm device further comprises an alarm transmitting module, wherein the alarm transmitting module is connected with the audible and visual alarm and used for transmitting a signal to a specified terminal device when the audible and visual alarm gives an alarm.

Optionally, the power source E is a battery.

The invention also provides a warm air water leakage alarm method, which adopts the warm air water leakage alarm device to alarm.

The technical scheme of the invention has the following advantages: the invention provides a heating water leakage alarm device and a method, wherein a water induction head is adopted to detect possible water leakage points, an electric signal caused by water leakage is converted into a weak sound signal, and the weak sound signal is received to trigger a sound-light alarm with higher power.

Drawings

Fig. 1 is a schematic circuit diagram of a warm air water leakage alarm device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, a warm air water leakage alarm device provided in an embodiment of the present invention includes: the device comprises an amplifying circuit, a control circuit, a receiving circuit, a driving circuit, an audible and visual alarm, a power supply E and at least one water induction head M. Specifically, wherein:

the water induction head M is arranged at the bottom of the heating radiator, one end of the water induction head M is connected with the anode of a power supply E, and the other end of the water induction head M is connected with an amplifying circuit; the water induction head M is used for detecting possible water leakage points, and when water drops on the water induction head M, a monitoring signal input to the amplifying circuit by the water induction head M changes;

the amplifying circuit is used for amplifying the monitoring signal input by the water induction head M and inputting the monitoring signal into the control circuit;

the control circuit comprises a loudspeaker Y, and the control circuit is used for controlling the loudspeaker Y to output an audio signal according to the signal input by the amplifying circuit; the audio signal output by the speaker Y here is a weak sound signal, insufficient for alarm;

the receiving circuit comprises an audio receiver S for receiving the audio signal output by the loudspeaker Y, converting the audio signal into an electric signal and inputting the electric signal into the driving circuit; the audio receiver S can adopt the prior art such as a microphone;

the driving circuit comprises a relay J, the audible and visual alarm is connected with 220V alternating current through a contact switch (shown as a J-contact switch in figure 1) in the relay J, and the driving circuit is used for driving the contact switch in the relay J to change according to an electric signal input by the receiving circuit so as to control the audible and visual alarm to be connected with the 220V alternating current; the audible and visual alarm can adopt the alarm in the prior art as required, and the alarm powered by 220V alternating current can send out a strong enough alarm signal;

the power supply E is used for supplying power to elements except the audible and visual alarm.

The heating water leakage alarm device provided by the invention adopts the water sensor M to detect possible water leakage positions, converts electric signal changes caused by water leakage into weak sound signals, outputs the weak sound signals through the loudspeaker Y, and then triggers the audible and visual alarm with higher power, wherein the audio receiver S receives the weak sound signals and converts the weak sound signals into electric signals; this heating installation alarm device that runs out water's component all adopts the power E power supply of less power (lower voltage) except audible-visual annunciator, and the security is high with the reliability, can stand by for a long time, and, this heating installation alarm device that runs out water sensitivity is high, can in time discover the heating installation and run out water, sends strong alarm signal through high-power audible-visual annunciator, can in time inform the information of running out water, so that the personnel on duty discover the heating installation and run out water, in time take measures in the very first time, reduce loss of property.

Preferably, in order to facilitate monitoring, the water leakage alarm device for the heater comprises a plurality of water induction heads M, wherein the water induction heads M are connected in parallel, namely, one end of each water induction head M is connected with the positive electrode of the power supply E, the other end of each water induction head M is connected into the amplifying circuit, and two adjacent water induction heads M are arranged at an interval of 5-10M so as to monitor a large-range heater group.

Preferably, the amplifying circuit comprises a first resistor R1 to a sixth resistor R6, a first capacitor C1 and a second capacitor C2, a first triode BG1 and a double-base diode BG 2; the first capacitor C1 is an electrolytic capacitor, and the first transistor BG1 is an NPN transistor.

As shown in fig. 1, one end of the first resistor R1 is connected to the water sensor head M, and the other end is connected to the gate of the first triode BG1 and the negative electrode of the power supply E through the second resistor R2; the source of the first transistor BG1 is connected to the negative pole of the power supply E. The negative electrode of the first capacitor C1 is connected with the drain electrode of the first triode BG1, the positive electrode of the first capacitor C1 is connected with the emitter electrode of the double-base diode BG2, the emitter electrode of the double-base diode BG2 is connected with the positive electrode of the power supply E through a third resistor R3, the second base electrode of the double-base diode BG2 is connected with the positive electrode of the power supply E through a fourth resistor R4, and the first base electrode of the double-base diode BG2 is connected with the negative electrode of the first capacitor C1 through a fifth resistor R5. The second capacitor C2 is a nonpolar high frequency capacitor. After the second capacitor C2 and the sixth resistor R6 are connected in parallel, one end of the second capacitor C2 is connected with the first base electrode of the double-base-electrode diode BG2, and the other end of the second capacitor C2 is connected with the control circuit. The negative pole of the power supply E is grounded through a switch K so as to control the power supply state of elements of the device except the audible and visual alarm.

In the above embodiment, the first transistor BG1 and the double-base diode BG2 together implement a small signal amplification function, and amplify the monitoring signal input by the water sensor M to input the next stage.

Furthermore, the control circuit comprises a third capacitor C3, a third triode BG3 and a fourth triode BG4 besides the loudspeaker Y; the third capacitor C3 is an electrolytic capacitor, the third transistor BG3 is an NPN-type transistor, and the fourth transistor BG4 is a PNP-type transistor.

As shown in fig. 1, the gates of the third transistor BG3 and the fourth transistor BG4 are connected to an amplifying circuit, that is, to one end of the second capacitor C2 and the sixth resistor R6 which are connected in parallel. The drain electrode of the third triode BG3 is connected with the positive electrode of the power supply E, the source electrode of the third triode BG3 is connected with the source electrode of the fourth triode BG4, and the drain electrode of the fourth triode BG4 is connected with the negative electrode of the power supply E. The anode of the third capacitor C3 is connected to the sources of the third transistor BG3 and the fourth transistor BG4, and the cathode is connected to the cathode of the power supply E through the speaker Y. In the above embodiments, the control circuit may control the output of the audio signal.

Preferably, the receiving circuit comprises a slide rheostat R7 and an eighth resistor R8 besides the audio receiver S, two fixed ends of the slide rheostat R7 are respectively connected with the positive pole of the power supply E and the ground, one end of the audio receiver S is connected with the positive pole of the power supply E, the other end of the audio receiver S is connected with the driving circuit, and the audio receiver S is connected with the sliding end of the slide rheostat R7 through the eighth resistor R8. In the above embodiment, the slide rheostat R7 can be used to adjust the contact switch variation sensitivity in the drive circuit relay J.

Further, the driving circuit includes a ninth resistor R9 to a twelfth resistor R12, and a fifth transistor BG5 and a sixth transistor BG6 in addition to the relay J; the fifth triode BG5 and the sixth triode BG6 are both PNP type low frequency triodes.

As shown in fig. 1, the twelfth resistor R12, the eleventh resistor R11 and the ninth resistor R9 are connected in series in this order and connected between the positive electrode of the power source E and ground. A gate of the fifth transistor BG5 is connected to one end of the audio receiver S, that is, the eighth resistor R8 is connected to the sliding end of the sliding rheostat R7, a source of the fifth transistor BG5 is connected to the positive electrode of the power supply E through the tenth resistor R10, and a drain of the fifth transistor BG5 is connected between the eleventh resistor R11 and the ninth resistor R9; the gate of the sixth transistor BG6 is connected between the twelfth resistor R12 and the eleventh resistor R11, the source of the sixth transistor BG6 is connected to the source of the fifth transistor BG5, and the drain of the sixth transistor BG6 is grounded through the coil of the relay J. Through the change of the electric signal in the coil of the relay J, a contact switch in the relay J changes, and when water runs out, the audible and visual alarm is switched on with 220V alternating current.

Preferably, the water leakage alarm device for the heater further comprises an alarm transmitting module, wherein the alarm transmitting module is connected with the audible and visual alarm and is used for transmitting a signal to a specified terminal device such as a mobile phone or a PC (personal computer) when the audible and visual alarm gives an alarm, so that an attendant or other users can receive a water leakage alarm message in time.

Preferably, in the warm air water leakage alarm device, the power supply E is a battery (or a battery pack). The battery is adopted as the power supply E to supply power for elements except the audible and visual alarm, so that the device is convenient to arrange, easy to move and more flexible to use.

In a preferred embodiment, as shown in fig. 1, the resistances of the first resistor R1 to the sixth resistor R6 are 10k Ω, 3.3k Ω, 15k Ω, 150 Ω, 51 Ω, and 5k Ω, the capacitances of the first capacitor C1 to the third capacitor C3 are 30 μ F, 2200pF, and 10 μ F, the model of the first transistor BG1 is 3DG12, the model of the double-base diode BG2 is BT33, the model of the third transistor BG3 is 3DG6, and the model of the fourth transistor BG4 is 3CG 3. The resistance between the fixed ends of the sliding rheostat R7 is 4.7k omega, the resistances of the eighth resistor R8 to the twelfth resistor R12 are 3.3k omega, 2.2k omega, 10 omega, 1k omega and 3.3k omega respectively, and the model of the fifth triode BG5 and the model of the sixth triode BG6 are 3AX 31.

The invention also provides a warm air water leakage alarm method, which adopts the warm air water leakage alarm device in any of the above embodiments to alarm.

Preferably, the method further comprises: after the alarm is given, the corresponding heating valve is turned off, so that the flooding phenomenon is avoided, and the property loss is reduced to the maximum extent.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.