CN112032356A - Automatic water leakage alarm backflow preventer and water leakage detection method - Google Patents

Abstract

The invention relates to the technical field related to pipeline fittings, and discloses an automatic water leakage alarm backflow preventer, which comprises a backflow preventer and a controller, wherein a drain valve seat is arranged on the backflow preventer, a drain joint is arranged on the drain valve seat through a drain spring, a pulse flowmeter is arranged on the drain joint and is connected to the controller, and the controller gives an alarm according to the abnormal drainage quantity condition of the pulse flowmeter. The invention also discloses a water leakage detection method. The invention reduces the water leakage risk on the pipeline of the backflow preventer and can alarm.

Description

Automatic water leakage alarm backflow preventer and water leakage detection method

Technical Field

The invention relates to the technical field related to pipeline accessories, in particular to an automatic water leakage alarm backflow preventer and a water leakage detection method.

Background

The drainage module of the backflow preventer drains water when the pressure difference is inverted, so that impact on the water meter is reduced. The existing drainage module is generally mechanical, the water leakage phenomenon of the drainage module cannot be found during drainage, and once the water leakage phenomenon occurs, the pressure difference judgment of a pipeline is influenced, and the waste of water resources is avoided.

Disclosure of Invention

The present invention is directed to solve the above problems, and an object of the present invention is to provide an automatic backflow preventer for water leakage alarm and a method for detecting water leakage, which can reduce the risk of water leakage in a pipeline of the backflow preventer and can perform alarm.

The technical scheme adopted by the invention is as follows:

the utility model provides a leak automatic alarm backflow preventer, characterized by, includes backflow preventer and controller, the sluicing disk seat that sets up on the backflow preventer sets up the sluicing joint through the sluicing spring on the sluicing disk seat, sets up the pulse flowmeter on the sluicing joint, the pulse flowmeter is connected to the controller, the controller reports to the police according to the sluicing quantity abnormal conditions of pulse flowmeter.

Further, an electric switch valve is arranged in front of the pulse flowmeter and connected to a controller, and the controller closes the electric switch valve according to the abnormal water discharge condition of the pulse flowmeter.

Further, leak automatic alarm backflow preventer still includes sender and removes the end, the sender is connected to the controller, the sender passes through wireless network and removes the end communication connection, the controller will slual information transmission to remove the end through the sender.

Further, the wireless network is a 4G or 5G network.

A water leakage detection method of a water leakage automatic alarm backflow preventer is characterized by comprising the following steps:

(1) presetting the amount of drained water as a standard for judging water leakage;

(2) calculating the actual water discharge amount of the backflow preventer through the pulse flow;

(3) the controller compares the actual water discharge amount with a preset water discharge amount;

(4) if the actual water discharge amount is larger than the preset water discharge amount for a long time, judging that water leakage occurs;

(5) and after the water leakage is judged, the controller controls the electric switch valve to open and close.

Further, the method also comprises the following steps:

(6) the controller starts the alarm unit to alarm;

(7) the controller sends a water leakage signal through the sender, and the sender sends information to the mobile terminal through a wireless network.

The invention has the beneficial effects that:

(1) according to the drainage condition, judging the water leakage condition of the drainage module of the backflow preventer, and automatically closing the drainage module;

(2) wireless communication can be realized, and the condition of equipment can be known in real time;

(3) the product is stable and has long service life.

Drawings

FIG. 1 is a schematic cross-sectional structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the drainage module of FIG. 1;

FIG. 3 is a schematic diagram of another embodiment of the present invention.

The reference numbers in the drawings are respectively:

1. a backflow preventer; 2, a water drain valve seat;

3. a water discharge spring; 4, a water drainage joint;

5. an electrically operated on-off valve; 6, a pulse flowmeter;

7. a controller; an originator;

9. a mobile terminal; a wireless network.

Detailed Description

The following describes in detail the embodiments of the automatic water leakage alarm backflow preventer and the method for detecting water leakage according to the present invention with reference to the accompanying drawings.

Referring to fig. 1 and 2, the automatic water leakage alarm backflow preventer is a backflow preventer 1 which is expanded in function, and the backflow preventer 1 can adopt products in the prior art or related patents applied by the applicant. A drain valve seat 2 is provided on a drain module of a backflow preventer 1, a drain joint 4 is provided on the drain valve seat 2 through a drain spring 3, an electric on-off valve 5 and a pulse flowmeter 6 are provided on the drain joint 4, the electric on-off valve 5 and the pulse flowmeter 6 are connected to a controller 7, the controller 7 gives an alarm according to the abnormal drain amount condition of the pulse flowmeter 6, and the electric on-off valve 5 is closed to wait for maintenance.

Referring to fig. 3, the automatic water leakage alarm backflow preventer further comprises a transmitter 8 and a mobile terminal 9, the transmitter 8 is connected to the controller 7, the transmitter 8 is in communication connection with the mobile terminal 9 through a 4G or 5G wireless network 10, the controller 7 sends water drainage information to the mobile terminal 9 through the transmitter 8, and a user of the mobile terminal 9 timely arranges maintenance according to abnormal information content.

The method for detecting water leakage through the automatic water leakage alarm backflow preventer comprises the following steps:

(1) presetting the amount of drained water as a standard for judging water leakage;

(2) calculating the actual water discharge amount of the backflow preventer through the pulse flow;

(3) the controller compares the actual water discharge amount with a preset water discharge amount;

(4) if the actual water discharge amount is larger than the preset water discharge amount for a long time, judging that water leakage occurs;

(5) and after the water leakage is judged, the controller controls the electric switch valve to open and close.

(6) The controller starts the alarm unit to alarm;

(7) the controller sends a water leakage signal through the sender, and the sender sends information to the mobile terminal through a wireless network.

And the user obtains the water leakage information according to the alarm or information feedback and carries out maintenance on site.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a leak automatic alarm backflow preventer which characterized in that: the backflow preventer comprises a backflow preventer and a controller, wherein a drain valve seat is arranged on the backflow preventer, a drain joint is arranged on the drain valve seat through a drain spring, a pulse flowmeter is arranged on the drain joint, the pulse flowmeter is connected to the controller, and the controller gives an alarm according to the abnormal condition of the drain quantity of the pulse flowmeter.

2. The automatic water leakage alarm backflow preventer as claimed in claim 1, wherein: an electric switch valve is arranged in front of the pulse flowmeter and connected to a controller, and the controller closes the electric switch valve according to the abnormal water discharge condition of the pulse flowmeter.

3. The automatic water leakage alarm backflow preventer as claimed in claim 1 or 2, wherein: the automatic water leakage alarm backflow preventer further comprises a transmitter and a mobile end, the transmitter is connected to the controller and is in communication connection with the mobile end through a wireless network, and the controller sends water drainage information to the mobile end through the transmitter.

4. The automatic water leakage alarm backflow preventer as claimed in claim 3, wherein: the wireless network is a 4G or 5G network.

5. A water leakage detection method of the automatic water leakage alarm backflow preventer as claimed in any one of claims 1 to 4, wherein: the method comprises the following steps:

(1) presetting the amount of drained water as a standard for judging water leakage;

(2) calculating the actual water discharge amount of the backflow preventer through the pulse flow;

(3) the controller compares the actual water discharge amount with a preset water discharge amount;

(4) if the actual water discharge amount is larger than the preset water discharge amount for a long time, judging that water leakage occurs;

(5) and after the water leakage is judged, the controller controls the electric switch valve to open and close.

6. The water leakage detection method of the automatic water leakage alarm backflow preventer as claimed in claim 5, wherein: also comprises the following steps:

(6) the controller starts the alarm unit to alarm;

(7) the controller sends a water leakage signal through the sender, and the sender sends information to the mobile terminal through a wireless network.

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