CN220304605U - Internet of things water meter with electromechanical conversion calibration function - Google Patents

Abstract

The utility model relates to the technical field of water metering equipment, in particular to an Internet of things water meter with an electromechanical conversion calibration function, which comprises a base meter and a controller, wherein the controller comprises an image acquisition module, a Hall sampling module, an image recognition module and a controller main board, the image recognition module is in wireless connection with the image acquisition module, the Hall sampling module and the image recognition module are both electrically connected with the controller main board, the image acquisition module is used for acquiring a character wheel image of the water meter, and the image recognition module is used for recognizing the character wheel image to obtain the character wheel reading of the base meter. The utility model can effectively correct the accumulated errors of the sensor count, improve the metering accuracy of the water meter and avoid charging errors caused by metering errors. Meanwhile, manual intervention is not needed in the correction process, the system automatically completes correction, and the correction method is safe, reliable, low in cost and high in efficiency.

Description

Internet of things water meter with electromechanical conversion calibration function

Technical Field

The utility model relates to the technical field of water metering equipment, in particular to an Internet of things water meter with an electromechanical conversion calibration function.

Background

The conventional intelligent water meter adopts the number of output pulses of the measuring sensor to convert the output pulses into corresponding water quantity, but in the pulse sensing process, external interference or reasons such as low resolution of the sensor, aging and the like possibly exist, so that the condition of losing the pulses occurs, and the metering error of the water meter is caused. So in order to avoid this, a smart meter with an automatic calibration function is needed.

Disclosure of Invention

The utility model aims to provide an Internet of things water meter with an electromechanical conversion calibration function, which aims to solve the problems pointed out in the background technology.

The embodiment of the utility model is realized by the following technical scheme: the utility model provides a take thing networking water gauge of electromechanical conversion calibration function, includes base table and controller, the controller includes image acquisition module, hall sampling module, image recognition module and controller mainboard, image recognition module and image acquisition module wireless connection, hall sampling module, image recognition module all are connected with the controller mainboard electricity, wherein, image acquisition module is used for obtaining the character wheel image of water gauge, image recognition module is used for discernment character wheel image, obtains base table character wheel reading.

According to a preferred embodiment, the controller comprises a first housing, a first accommodating part is arranged on one side of the first housing, and the Hall sampling module is arranged in the first accommodating part.

According to a preferred embodiment, the first receiving portion is detachably connected to the first housing.

According to a preferred embodiment, the controller further comprises a second housing, the controller motherboard is disposed in the second housing, and the second housing is detachably connected to the first housing.

According to a preferred embodiment, a second receiving portion is provided on a side of the second housing adjacent to the first housing, and the image capturing module is disposed in the second receiving portion.

According to a preferred embodiment, the second receiving portion is detachably connected to the second housing.

According to a preferred embodiment, the image acquisition module is arranged directly above the base form wheel.

According to a preferred embodiment, the bottom of the second accommodating portion is provided with a collection port corresponding to the collection end of the image collection module.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects: according to the Internet of things water meter with the electromechanical conversion calibration function, the character wheel reading is acquired through the image acquisition module, the actual water flow is determined, the controller main board is calibrated according to the actual water flow, the accumulated error of the sensor counting can be effectively corrected, the metering accuracy of the water meter is improved, and charging errors caused by metering errors are avoided. Meanwhile, manual intervention is not needed in the correction process, the system automatically completes correction, and the correction method is safe, reliable, low in cost and high in efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an internet of things water meter with an electromechanical conversion calibration function provided in embodiment 1 of the present utility model;

fig. 2 is a schematic structural diagram of an image acquisition module according to embodiment 1 of the present utility model;

icon: the device comprises a 1-image acquisition module, a 2-Hall sampling module, a 3-first shell, a 4-first accommodating part, a 5-second shell and a 6-second accommodating part.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Example 1

In order to realize automatic calibration of a water meter Hall sampling module, reduce the manual calibration cost and reduce the manual calibration error, thereby ensuring the accuracy of the water meter, the utility model discloses an Internet of things water meter with an electromechanical conversion calibration function, and referring to FIG. 1, a structural schematic diagram of the Internet of things water meter with the electromechanical conversion calibration function is disclosed, and the Internet of things water meter comprises a base meter and a controller, wherein the controller comprises an image acquisition module 1, a Hall sampling module 2, an image recognition module and a controller main board.

The image recognition module is in wireless connection with the image acquisition module 1, the Hall sampling module 2 and the image recognition module are both electrically connected with the main board of the controller, wherein the image acquisition module 1 is used for acquiring a character wheel image of the water meter, the image recognition module is actually arranged in a background system, and image information acquired by the image acquisition module 1 is transmitted to the background system in a wireless manner and then is processed by the image recognition module in the background system; the image recognition module is used for recognizing the character wheel image to obtain the basic table character wheel reading, and the controller main board is electrically connected with the Hall sampling module 2 and the image recognition module and used for calibrating the controller main board according to the basic table character wheel reading. Specifically, the embodiment sets a photographing period, for example, the reading of the hall sampling module 2 is calibrated through photographing every month, and the rest moments are sampled and charged in real time through the hall sampling module 2; in the embodiment, the real reading on the basic form character wheel is extracted and compared with the electromechanical conversion data acquired by the meter end after being acquired by the Hall sampling module 2, and when the reading is inconsistent, the electromechanical conversion data acquired by the Hall sampling module 2 is calibrated by the basic form character wheel reading acquired by the image recognition module, so that the automatic calibration of the main board of the meter end controller is realized.

According to the internet of things water meter with the electromechanical conversion calibration function, the controller main board is calibrated according to the actual water flow, so that the accumulated errors of the sensor count can be effectively corrected, the metering accuracy of the water meter is improved, and charging errors caused by metering errors are avoided. Meanwhile, manual intervention is not needed in the correction process, the system automatically completes correction, and the correction method is safe, reliable, low in cost and high in efficiency.

Further, in one embodiment of the present utility model, the hall sampling module 2 includes a hall sensor and a sampling circuit board electrically connected to the hall sensor. It should be noted that when water flows through the water meter, the rotor is driven to rotate, and when the magnetic area of the rotor approaches the hall magnetic sensor, a changing electric signal is generated due to the hall effect. Therefore, when water continuously flows, a pulse signal can be obtained, the signal is converted into the rotating speed or the water flow speed of the rotor in different time periods through the sampling circuit board, and the water flow in the time period is obtained according to the cross-sectional area and the time of the flowing water, so that the purpose of measuring the water consumption is achieved.

Further, referring to fig. 2, the controller includes a first housing 3, a first receiving portion 4 is provided at one side of the first housing 3, and the hall sampling module 2 is disposed in the first receiving portion 4. In a preferred embodiment, the first receiving portion 4 is detachably connected to the first housing 3.

Further, the controller further comprises a second shell 5, the controller main board is arranged in the second shell 5, and the second shell 5 is detachably connected with the first shell 3. The second housing 5 is provided with a second accommodating part 6 at one side close to the first housing 3, and the image acquisition module 1 is arranged in the second accommodating part 6. In a preferred embodiment, the second receiving portion 6 is detachably connected to the second housing 5.

Further, the image acquisition module 1 is arranged right above the character wheel of the basic meter, an acquisition port is formed in the bottom of the second accommodating part 6, corresponding to the acquisition end of the image acquisition module 1, and the acquisition end of the image acquisition module 1 shoots the character wheel through the acquisition port.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a take electromechanical conversion calibration function's thing networking water gauge, its characterized in that, includes basic table and controller, the controller includes image acquisition module (1), hall sampling module (2), image recognition module and controller mainboard, image recognition module and image acquisition module wireless connection, hall sampling module (2), image recognition module are all connected with the controller mainboard electricity, wherein, image acquisition module (1) is used for obtaining the character wheel image of water gauge, image recognition module is used for discerning the character wheel image, obtains basic table character wheel reading.

2. The internet of things water meter with the electromechanical conversion calibration function according to claim 1, wherein the image acquisition module (1) is arranged right above a basic meter character wheel.

3. The internet of things water meter with the electromechanical conversion calibration function according to claim 1, wherein the controller comprises a first shell (3), a first accommodating part (4) is arranged on one side of the first shell (3), and the hall sampling module (2) is arranged in the first accommodating part (4).

4. The internet of things water meter with the electromechanical conversion calibration function according to claim 3, wherein the first accommodating portion (4) is detachably connected with the first housing (3).

5. The internet of things water meter with an electromechanical conversion calibration function according to any one of claims 3 or 4, wherein the controller further comprises a second housing (5), the controller motherboard is disposed in the second housing (5), and the second housing (5) is detachably connected to the first housing (3).

6. The internet of things water meter with the electromechanical conversion calibration function according to claim 5, wherein a second accommodating part (6) is arranged on one side, close to the first casing (3), of the second casing (5), and the image acquisition module (1) is arranged in the second accommodating part (6).

7. The internet of things water meter with the electromechanical conversion calibration function according to claim 6, wherein the second accommodating portion (6) is detachably connected with the second housing (5).

8. The internet of things water meter with the electromechanical conversion calibration function according to claim 6, wherein a collection port is formed at the bottom of the second accommodating portion (6) corresponding to the collection end of the image collection module (1).