CN217360934U - Power-free water leakage detection alarm - Google Patents
Power-free water leakage detection alarm Download PDFInfo
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- CN217360934U CN217360934U CN202220955581.4U CN202220955581U CN217360934U CN 217360934 U CN217360934 U CN 217360934U CN 202220955581 U CN202220955581 U CN 202220955581U CN 217360934 U CN217360934 U CN 217360934U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/15—Leakage reduction or detection in water storage or distribution
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Abstract
The utility model provides a non-power leakage detection alarm, which comprises a power supply circuit, a delay control circuit and an alarm circuit; the power supply circuit comprises a water flow generator, a rectifying and filtering circuit and a super capacitor, wherein the rectifying and filtering circuit and the super capacitor are sequentially connected with the water flow generator; the delay control circuit comprises a delay main control circuit connected with the super capacitor, and the delay main control circuit is connected with a delay selection potentiometer; the alarm circuit is connected with the time-delay main control circuit. The utility model discloses a miniature rivers generator supplies power to the circuit board, and time delay main control circuit monitors when the water injection, reports to the police unusually through bee calling organ and LED, has realized the detection alarming function that leaks that need not external power source.
Description
Technical Field
The utility model relates to a detection technical field that leaks, concretely relates to detection alarm that leaks that need not connect external power source.
Background
The flush toilet is necessary for decoration in modern family toilets, but in use, the traditional toilet structure does not have the functions of water leakage detection and reminding, but the problem of water leakage is frequent. By investigation, toilet water leakage is mainly caused by water tank design defects, poor material quality or equipment deterioration. Usually, water leakage is difficult to find, when finding, the problem is often very serious, not only can cause the waste of water resources, if leak to the ground, still can cause family's economic loss, more probably can cause the resident family to slip and fall into and injure etc. serious consequence.
The water leakage monitor or the intelligent closestool with the water leakage monitoring function in the current market is large in size and high in price, needs to be externally connected with a power supply to work, and is not suitable for a household water leakage detection alarm.
Therefore, how to provide a water leakage detection alarm with a simple structure and without an external power supply is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a no power leak detection alarm, the phenomenon of leaking that produces because of ageing, water pipe fracture scheduling problem with water closet has proposed the circuit structure that the water injection time delay detected to leak water detection and time delay main control circuit are the core. The circuit board is powered through the miniature water flow generator, the time delay main control circuit monitors the water injection duration, and abnormal alarm is carried out through the buzzer and the LED.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a non-power leakage detection alarm comprises a power supply circuit, a delay control circuit and an alarm circuit; wherein the content of the first and second substances,
the power supply circuit comprises a water flow generator, a rectification filter circuit and a super capacitor, wherein the rectification filter circuit and the super capacitor are sequentially connected with the water flow generator;
the delay control circuit comprises a delay main control circuit connected with the super capacitor, and the delay main control circuit is connected with a delay selection potentiometer;
the alarm circuit is connected with the delay main control circuit.
Preferably, the rectifying and filtering circuit includes: a bridge rectifier circuit and a filter capacitor; the input end of the bridge rectifier circuit is connected with the alternating current output end of the water flow generator;
the filter capacitor comprises a filter capacitor connected in parallel with the output end of the bridge rectifier circuit, and the filter capacitor outputs direct current to the super capacitor.
Preferably, the power supply further comprises a voltage stabilizing module, and the rectifying and filtering circuit is connected to the super capacitor through the voltage stabilizing module.
Preferably, the delay control circuit comprises a D flip-flop, and two ends of the super capacitor are respectively connected to a CLK pin and a D pin of the D flip-flop, so as to provide a trigger signal for the CLK pin of the D flip-flop and provide a high/low level for the D pin of the D flip-flop; and the Q end of the D trigger is connected to the adjusting end of the delay selection potentiometer.
Preferably, the alarm circuit comprises an energy storage capacitor, a triode and an alarm; one end pin of the time delay selection potentiometer is connected to one end of the energy storage capacitor, the other end pin of the time delay selection potentiometer is connected to a base electrode of the triode, a collector electrode of the triode is connected to a connecting node of the rectifying and filtering circuit and the super capacitor, and an emitter electrode of the triode is connected to the other end of the energy storage capacitor; the alarm is connected in series with a connecting circuit of the emitting electrode of the triode and the energy storage capacitor.
Preferably, the alarm comprises an audible and visual alarm, a buzzer or an LED lamp.
Preferably, the wireless communication system further comprises a wireless communication module connected with the delay main control circuit, and the wireless communication module is wirelessly connected to a wireless network.
Preferably, the wireless communication module is wirelessly connected to the user terminal through a wireless network.
Preferably, the wireless communication module comprises a WIFI module and/or a Bluetooth module.
Preferably, the water current generator is installed on an inlet pipeline of the toilet bowl.
Known through foretell technical scheme, compare with prior art, the beneficial effect of the utility model includes:
the utility model discloses need not external power supply or change the battery, the system is through a miniature hydroelectric generator electricity generation energy supply, and when rivers, hydroelectric generator sends the electric energy, and the system is through in the super capacitor that the arrangement filter circuit will electric energy storage carried. When the time for which water flow is detected exceeds a defined threshold, the system enters an alarm mode. The electric energy is released and provided for the buzzer and the LED to carry out sound-light alarm. And sends an alarm signal to the user via the wireless network through ESP32 module. As long as have rivers to pass through, the system will be activated, consequently the utility model discloses utilize rivers electricity generation to solve the painful point problem of leak water warning circuit power supply and later maintenance. The specific technical effects are as follows:
1. the utility model provides a high-efficient reliable, the detection alarm that leaks that need not outside power supply. The detector is small in size, convenient to install, energy-saving and environment-friendly, and can be compatible with most of water pipes.
2. The utility model discloses can effectively remind the user closestool condition of leaking, reduce unnecessary economic loss, reduce the no event waste of water resource.
3. The utility model discloses utilize miniature rivers generator to supply power, reduced user's use cost, avoided often needing to change the awkwardness of battery.
4. The utility model discloses utilize miniature rivers generator to supply power to LED, give the certain illumination of user at night.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts;
fig. 1 is a block diagram of a power-supply-free water leakage detection alarm provided in the embodiment of the present invention;
fig. 2 is a logic circuit diagram of the power-supply-free water leakage detection alarm provided by the embodiment of the present invention;
fig. 3 is a working schematic diagram of the power-supply-free water leakage detection alarm provided by the embodiment of the present invention;
fig. 4 is a diagram illustrating a correspondence between the resistance value of the delay resistor and the delay time of the power-free water leakage detection alarm provided in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a block diagram of a power-supply-free water leakage detection alarm disclosed in this embodiment. The alarm circuit comprises a power supply circuit, a delay control circuit and an alarm circuit; the power supply circuit comprises a water flow generator, a rectification filter circuit and a super capacitor, wherein the rectification filter circuit and the super capacitor are sequentially connected with the water flow generator; the delay control circuit comprises a delay main control circuit connected with the super capacitor, and the delay main control circuit is connected with a delay selection potentiometer; the alarm circuit is connected with the time-delay main control circuit.
In this embodiment, power supply circuit utilizes miniature rivers generator electricity generation, and the user need not to insert external power source, can install like this on any water pipe, including toilet's water inlet pipe, and is more convenient. The user can set the time delay alarm time by selecting the potentiometer in a time delay way. When the time of the delayed alarm set by the user is exceeded, the closestool is filled with water, and water leakage is indicated, the alarm circuit gives an alarm, so that the user can detect the time for maintenance at the first time, and unnecessary loss is reduced.
It should be noted that the principle of the basic structure of the miniature water flow generator is the same as that of the generator used in daily life. The miniature water flow generator is provided with a pipeline passage communicated with a water pipeline, when water flow with a certain flow velocity passes through the miniature water flow generator, the miniature water flow generator can drive the middle water turbine to start rotating, the generating mechanism is connected with the water turbine through the bearing, current can be generated when a rotor of the generator is driven subsequently, the generating mechanism can connect generated electric energy through a wire, and the electric energy is stored in a battery (super capacitor). The device can also be used for small-sized electrical appliances, and the generated direct current can be changed into a proper range only by passing through a transformer during output. The inlet and outlet positions at the front end and the rear end of the pipeline passage of the miniature water flow generator can be made into elastic interfaces by using rubber materials, and the miniature water flow generator can be very convenient to connect with a water pipeline with any pipe diameter. When the micro water flow generator is used, the micro water flow generator needs to be connected between water conveying pipelines, and electric energy can be continuously generated when a water tap is turned on at any time. The size of the instrument is not more than 200 mm, the occupied space is small, and resources are efficiently utilized.
As long as water flows through the pipeline, the blades of the miniature water flow generator rotate to drive the generator to work, and continuous electric energy can be generated. In the circuit, the micro water flow generator is a power supply source and is also a sensor for detecting whether water flows through or not.
A super capacitor of 5V and 1.5F (farad) is adopted in a hardware circuit to provide electric energy for the whole circuit. The current generated by the water flow generator is only 5-20 ma, which is not enough for the circuit board to work normally. Therefore, the water flow generator charges the water flow generator in the normal flushing process, and when a long-time water leakage condition occurs, the system needs to carry out audible and visual alarm and wireless communication by using more energy, and the stored energy is released and provided for each element in the circuit to use. In a fully charged condition, the super capacitor can provide approximately half an hour of electrical power to the circuit board.
In one embodiment, a rectifying-filtering circuit includes: a bridge rectifier circuit and a filter capacitor; the input end of the bridge rectifier circuit is connected with the alternating current output end of the water flow generator;
the filter capacitor comprises a filter capacitor connected in parallel with the output end of the bridge rectifier circuit, and the filter capacitor outputs direct current to the super capacitor.
In one embodiment, the super capacitor further comprises a voltage stabilizing module, and the rectifying and filtering circuit is connected to the super capacitor through the voltage stabilizing module.
In this embodiment, as shown in fig. 2, the input terminal V of the voltage regulation module U1 I Connected to the filter capacitor, and output terminal V O Through a filter capacitor C 2 And C 4 For super capacitor C 6 And (6) powering up.
In one embodiment, the delay control circuit comprises a D trigger, two ends of a super capacitor are respectively connected to a CLK pin and a D pin of the D trigger, a trigger signal is provided for the CLK pin of the D trigger, and a high/low level is provided for the D pin of the D trigger; and the Q end of the D trigger is connected to the adjusting end of the delay selection potentiometer.
In this embodiment, the dual D flip-flop adopts CD4013, and the set signal and the reset signal of the circuit are valid only when a high level signal is asserted. When the S switch is closed, the capacitor is short-circuited at the moment, and a high-level signal is generated. A high signal is applied to D. After setting and resetting, the capacitor starts to charge, so that D is equal to 0, and the circuit starts to count.
In one embodiment, the alarm circuit comprises an energy storage capacitor, a triode and an alarm; one end pin of the time delay selection potentiometer is connected to one end of the energy storage capacitor, the other end pin of the time delay selection potentiometer is connected to a base electrode of the triode, a collector electrode of the triode is connected to a connecting node of the rectifying and filtering circuit and the super capacitor, and an emitter electrode of the triode is connected to the other end of the energy storage capacitor; the alarm is connected in series with a connecting circuit of the emitting electrode of the triode and the energy storage capacitor.
In one embodiment, the alarm comprises an audible and visual alarm, a buzzer or an LED light.
The following explains the operation principle of the specific circuit structure of the present embodiment:
as shown in FIG. 2, a bridge rectifier circuit BR 1 The alternating current generated by the miniature water flow generator is rectified and converted into pulsating direct current. Via a capacitor C 1 After energy storage and filtering, the energy is passed through capacitor C 3 Filtering and converting the direct current into direct current. When the voltage V is I When the voltage is higher than 6V, the circuit starts to work, and V I Passing through U 1 After the three-terminal voltage stabilizing module stabilizes the voltage, V can be stably output O The voltage value is stabilized at 5V. Then through C 2 And C 4 After filtering, give C 6 And (6) charging. C 6 After power-on, C 6 Is an integrated circuit U during charging 2A The CLK pin of (2) provides a trigger signal, and the specific process is as follows:
C 6 during charging, the integrated circuit U 2A Pin 3 (pin D) is high when pin C is 6 When full, U 2A Pin 3 is low. Administration of U 2A 3 pin of a trigger signal, so that U 2A D trigger works to output high level of D end to Q end, and potentiometer RV is selected by time delay 1 To C 5 And charging is carried out.
Time-delay selection potentiometer RV 1 Can control C 5 The charging speed is expressed by the following formula:
V t ＝V 0 +(V u –V 0 )*[1–exp(-t/RC)] (1)
C 5 after being fully charged, the handle U is put 2A End R of D flip-flop U is set as a high level signal 2A Reset to let U 2A The Q end of the transistor can output low level, so that the triode Q 1 And starting to work, and enabling the buzzer, the LED and the like to work. After power-on, until the circuit starts to alarm, the potentiometer RV is selected by time delay 1 To adjust the time and delay the selection potentiometer RV 1 The larger the resistance value of (1), the longer the delay time.
The utility model discloses the device is small and exquisite, uses portably, and concrete operation process is as follows:
1. the device is connected to the water inlet pipe of the toilet bowl.
2. When water flows through the device, the power indicator lamp is lightened, and the device starts to operate.
3. When the water leakage condition occurs, the buzzer can automatically give an alarm to remind a user.
In one embodiment, the wireless communication module is connected with the delay main control circuit and is wirelessly connected to a wireless network.
In this embodiment, the wireless communication module is wirelessly connected to the user terminal through a wireless network. The wireless communication module comprises a WIFI module and/or a Bluetooth module.
The wireless communication module uses the ESP32 chip to be responsible for wifi and Bluetooth communication. The super capacitor stores and supplies energy. When the chip detects the electric energy generated by the water flow generator, the low-power-consumption running mode is started, timing is started, if the water leakage state exceeds the threshold time of the water tank full filling, and when the water flow time is too long, water leakage is indicated, and the system enters the alarm mode. The buzzer buzzes, the LED flashes to send an alarm signal, meanwhile, the wireless communication mode can be entered, the ESP32 is networked, an alarm message is sent to the server through the MQTT protocol to inform a user of checking the hidden water leakage danger, and alarm information can be sent to a mobile phone of the user to remind the user of closing the faucet valve as soon as possible. And if the water leakage is detected to stop subsequently, the buzzer and the LED are closed, and the system exits the alarm mode.
The Bluetooth module is added to enable the Bluetooth module to communicate with the mobile phone, and a user can complete parameter setting and real-time checking of the running state of the equipment with the mobile phone. Add the WIFI module, make it can link to the WIFI at home, the user just can the remote real time monitoring state of current equipment like this.
The following table shows the hardware component selection list of the present invention:
referring to fig. 3, a test study is performed on a corresponding relationship between a resistance value of a delay resistor of a delay selection potentiometer and delay time in a logic circuit, and a group of representative data is selected and sorted, where a ordinate in fig. 3 is a resistance unit k Ω, and a abscissa in fig. 3 is a time unit s.
As shown in fig. 3, the resistance of the delay resistor is increased along with the change of time, and the longer the time, the larger the resistance is, so that whether the water flow flushing time is overtime can be accurately judged according to the resistor setting.
The power-free water leakage detection alarm provided by the utility model is introduced in detail, and the principle and the implementation mode of the utility model are explained by applying a specific example, and the explanation of the above embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A non-power supply water leakage detection alarm is characterized by comprising a power supply circuit, a delay control circuit and an alarm circuit; wherein the content of the first and second substances,
the power supply circuit comprises a water flow generator, a rectification filter circuit and a super capacitor, wherein the rectification filter circuit and the super capacitor are sequentially connected with the water flow generator;
the delay control circuit comprises a delay main control circuit connected with the super capacitor, and the delay main control circuit is connected with a delay selection potentiometer;
the alarm circuit is connected with the delay main control circuit.
2. The no power leak detection alarm of claim 1, wherein the rectifying and filtering circuit comprises: a bridge rectifier circuit and a filter capacitor; the input end of the bridge rectifier circuit is connected with the alternating current output end of the water flow generator;
the filter capacitor comprises a filter capacitor connected in parallel with the output end of the bridge rectifier circuit, and the filter capacitor outputs direct current to the super capacitor.
3. The no-power-supply water leakage detection alarm device according to claim 1, further comprising a voltage stabilizing module, wherein the rectifying and filtering circuit is connected to the super capacitor through the voltage stabilizing module.
4. The no-power-supply water leakage detection alarm device according to claim 1, wherein the delay control circuit comprises a D flip-flop, two ends of the super capacitor are respectively connected to a CLK pin and a D pin of the D flip-flop, and the delay control circuit provides a trigger signal for the CLK pin of the D flip-flop and provides a high/low level for the D pin of the D flip-flop; and the Q end of the D trigger is connected to the adjusting end of the delay selection potentiometer.
5. The powerless water leak detection alarm of claim 1, wherein the alarm circuit comprises an energy storage capacitor, a triode, and an alarm; one end pin of the time delay selection potentiometer is connected to one end of the energy storage capacitor, the other end pin of the time delay selection potentiometer is connected to a base electrode of the triode, a collector electrode of the triode is connected to a connecting node of the rectification filter circuit and the super capacitor, and an emitter electrode of the triode is connected to the other end of the energy storage capacitor; the alarm is connected in series with a connecting circuit of the emitting electrode of the triode and the energy storage capacitor.
6. The no power leak detection alarm of claim 5, wherein the alarm comprises an audible and visual alarm, a buzzer or an LED light.
7. The no-power-supply water leakage detection alarm device according to claim 1, further comprising a wireless communication module connected with the delay main control circuit, wherein the wireless communication module is wirelessly connected to a wireless network.
8. The no-power-supply water leakage detection alarm device according to claim 7, wherein the wireless communication module is wirelessly connected to the user terminal through a wireless network.
9. The no-power-supply water leakage detection alarm device according to claim 7, wherein the wireless communication module comprises a WIFI module and/or a Bluetooth module.
10. The powerless leak detection alarm of claim 1, wherein the water flow generator is mounted on a water inlet line of a toilet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220955581.4U CN217360934U (en) | 2022-04-24 | 2022-04-24 | Power-free water leakage detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220955581.4U CN217360934U (en) | 2022-04-24 | 2022-04-24 | Power-free water leakage detection alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217360934U true CN217360934U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220955581.4U Active CN217360934U (en) | 2022-04-24 | 2022-04-24 | Power-free water leakage detection alarm |
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| Country | Link |
|---|---|
| CN (1) | CN217360934U (en) |
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2022
- 2022-04-24 CN CN202220955581.4U patent/CN217360934U/en active Active
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