CN220437493U - Multifunctional split water meter based on spc battery self-detection - Google Patents
Multifunctional split water meter based on spc battery self-detection Download PDFInfo
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Abstract
The utility model discloses a multifunctional split water meter based on spc battery self-detection, which comprises an intelligent water meter controller and a plurality of base meters, wherein the intelligent water meter controller is provided with NB-IoT water meter characteristics, the base meters are provided with data transmission lines, the intelligent water meter controller is connected with a master station server through an NB-IoT network, and the plurality of base meters are connected with the intelligent water meter controller through the data transmission lines; wherein, the intelligent water meter controller is internally provided with a control circuit board; the utility model provides a multifunctional split type water meter based on spc battery self-detection, which divides a main body into a controller and a base meter, wherein eight base meters are arranged in a water meter well, the controller is arranged on the water meter well, and meter reading personnel can read data of the eight base meters at the same time through the controller on the well. On the other hand, the water meter has a battery self-detection function, and solves the problems that the traditional water meter is difficult to meter and the battery voltage refreshing detection is slow.
Description
Technical Field
The utility model relates to the technical field of water meters of the Internet of things, in particular to a multifunctional split water meter based on spc battery self-detection.
Background
An internet of things (IoT water meter) is a water meter integrated with internet of things technology, and can realize real-time monitoring and management of water, thereby providing convenience for reasonable utilization of water resources. Traditional water meter can only carry out the measurement of water yield, and thing networking water meter can then be through network connection with data upload to high in the clouds, realize the real-time supervision and the management to water.
The working principle of the water meter of the Internet of things generally comprises the following steps:
(1) The sensor collects the water meter reading: the sensor is arranged in the internet of things water meter, water meter reading can be collected in real time, and data are transmitted to the cloud end through the wireless network.
(2) Data transmission to the cloud: the internet of things water meter transmits the acquired data to the cloud through Wi-Fi, GPRS and other wireless network technologies, so that the data can be uploaded in real time.
(3) Cloud data processing: the cloud server processes and analyzes the acquired data, provides data visualization and analysis functions, and enables a user to view related information such as water meter reading, water consumption, water charge and the like in a mobile phone App mode at any time.
(4) Remote control water meter: the user can realize remote control water meter switch through modes such as mobile phone App, the inconvenience of water meter reading and switch operation of the user under outdoor cold environment is avoided.
The main function of the current intelligent water meter is to collect and report the metering data of the water meter and control the valve action of the water meter. According to the water meter installation environment requirement, the water meter installation is carried out to install the meter to the home, to copy the meter to the home and to meter and charge; the labor intensity of meter reading personnel is obviously improved facing to multi-layer unit houses and rural houses.
On the other hand, in practical application, the skilled person finds that the intelligent water meter has larger energy consumption due to the environment and various other reasons, and the battery voltage refreshing time is too long, so that the requirements of under-voltage and battery replacement are not met, and the use experience of a user is further affected.
Therefore, the problems of difficult meter reading and slow battery voltage refreshing are solved, and the method has become the key for future development in the technical field of the industry.
Therefore, a multifunctional split water meter based on spc battery self-detection is provided.
Disclosure of Invention
In view of the foregoing, embodiments of the present utility model wish to provide a spc battery self-detection-based multifunctional split water meter, so as to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice;
the technical scheme of the embodiment of the utility model is realized as follows: the utility model provides a multi-functional split type water gauge based on spc battery self-detection, includes eight basic tables of controller and outband external data transmission line, its characterized in that: the water meter is internally provided with a controller which is compatible with a communication module;
the controller sends a valve opening and closing command to the base table respectively or simultaneously;
the controller reads metering data of the corresponding base table through pulse signals;
the low electricity of the water meter is divided into a first low electricity of battery voltage and a second low electricity of battery voltage; when the battery voltage of the water meter is detected to be 3.2V-3.4V, judging a first-level low-electricity alarm of the battery voltage; when the battery voltage of the water meter is detected to be lower than 3.2V, judging a secondary low-voltage alarm of the battery voltage; and controlling the valve through the primary low-electricity alarm and the secondary low-electricity alarm.
Wherein in one embodiment: the water meter comprises an MCU processing unit, a key module, an infrared communication module, an Internet of things module, a valve control module, the base meter, a network platform, a memory module, a metering module, a power module and an encryption module; the base table part is connected with the MCU main board through a data transmission line.
Wherein in one embodiment: the communication module comprises an NB or an infrared communication module.
Wherein in one embodiment: the controller is respectively connected with 8 basic tables through 8 5 core wires; the 5 core wire comprises a metering A terminal, a metering B terminal, a metering COOM terminal, a valve forward direction 'M+' terminal and a valve reverse direction 'M-' terminal; the front end of the base meter is provided with 5 terminals which are identical to the 5 core wires; the 5 core wires are correspondingly connected with the terminals of the base meter.
Wherein in one embodiment: the base table is connected in an underground water well, and the controller is connected on the well;
the controller controls underground base tables, the base tables transmit metering data to the controller through a data transmission line, the controller can send switch valve commands to the base tables through NB or infrared respectively or simultaneously, and the base tables synchronously execute commands sent by the controller.
Wherein in one embodiment: the base meter drives the reed switch to open and close through gear rotation, generates pulse signals, and achieves the purpose of metering through single chip microcomputer processing.
Wherein in one embodiment: and reading the metering data of the corresponding base table from the controller end of the water meter through NB-IoT or infrared communication.
In summary, the utility model has the following beneficial effects: the utility model provides a multifunctional split type water meter based on spc battery self-detection, which divides a main body into a controller and a base meter, wherein eight base meters are arranged in a water meter well, the controller is arranged on the water meter well, and meter reading personnel can read data of the eight base meters at the same time through the controller on the well. On the other hand, the water meter has a battery self-detection function, and solves the problems that the traditional water meter is difficult to meter and the battery voltage refreshing detection is slow.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multifunctional split water meter based on spc battery self-detection provided by an embodiment of the utility model;
FIG. 2 is a battery detection flow chart based on spc battery self-detection provided by an embodiment of the utility model
Fig. 3 is a low-current alert flow chart based on spc battery self-detection provided by an embodiment of the utility model.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. This utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below;
it should be noted that the terms "first," "second," "symmetric," "array," and the like are used merely for distinguishing between description and location descriptions, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "first," "symmetry," or the like, may explicitly or implicitly include one or more such feature; also, where certain features are not limited in number by words such as "two," "three," etc., it should be noted that the feature likewise pertains to the explicit or implicit inclusion of one or more feature quantities;
in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature; meanwhile, all axial descriptions such as X-axis, Y-axis, Z-axis, one end of X-axis, the other end of Y-axis, or the other end of Z-axis are based on a cartesian coordinate system.
In the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly; for example, the connection can be fixed connection, detachable connection or integrated molding; the connection may be mechanical, direct, welded, indirect via an intermediate medium, internal communication between two elements, or interaction between two elements. The specific meaning of the terms described above in the present utility model will be understood by those skilled in the art from the specification and drawings in combination with specific cases.
In the prior art, the main function of the current intelligent water meter is to collect and report the metering data of the water meter and control the valve action of the water meter. According to the water meter installation environment requirement, the water meter installation is carried out to install the meter to the home, to copy the meter to the home and to meter and charge; the labor intensity of meter reading personnel is obviously improved facing to multi-layer unit houses and rural houses; on the other hand, in practical application, the skilled person finds that the intelligent water meter has larger energy consumption due to environmental and various other reasons, and the battery voltage refreshing time is too long, so that the requirements of under-voltage and battery replacement are not met, and the use experience of a user is further affected; for this reason, referring to fig. 1-3, the present utility model provides a technical solution to solve the above technical problems: the intelligent water meter comprises an intelligent water meter controller and a plurality of base meters, wherein the intelligent water meter controller is provided with NB-IoT water meter characteristics, the base meters are provided with data transmission lines, the intelligent water meter controller is connected with a master station server through an NB-IoT network, the plurality of base meters are connected with the intelligent water meter controller through the data transmission lines, as shown in fig. 1, the water meter comprises an MCU processing unit 100, a key module 101, an infrared communication module 102, an Internet of things module 103, a valve control module 104, a base meter 105, a network platform 106, a memory module 107, a metering module 108, a power module 109 and an encryption module 110, wherein the key module, the infrared communication module, the Internet of things module, the valve control module, the memory module, the metering module, the power module and the encryption module are all arranged on an MCU main board, and the base meters are connected with the MCU main board through the data transmission lines;
in the scheme, the encryption module has the functions of hardware acceleration and protection, and can efficiently encrypt and decrypt data under the condition of not affecting the system performance; meanwhile, the encryption module can also support a plurality of encryption protocols and algorithms, such as AES, DES, RSA and the like, so as to meet the data encryption requirements in different scenes.
In this scheme, the internet of things module 103 is a hardware module for wireless communication and data transmission, and adopts wireless network technology, such as NB-IoT, loRa, bluetooth, etc., to transmit collected water meter data to a cloud platform or management system; the internet of things module 103 generally includes a baseband chip, a radio frequency front end, an antenna, a peripheral interface, and so on. The baseband chip is a core component of the internet of things module and is responsible for functions such as data processing, network control, power consumption management and the like. The radio frequency front end is a circuit component for receiving and transmitting wireless signals and comprises a radio frequency transceiver chip, a filter, an amplifier and the like. The antenna is a device for receiving and transmitting wireless signals, and the design of the antenna is related to the communication frequency band and the technical standard of the internet of things module. The peripheral interface is an interface for connecting with other peripheral devices or sensors and exchanging data, and comprises a serial port, GPIO, SPI and the like.
The internet of things module of the intelligent water meter has the characteristics of low power consumption, small size, high reliability, easiness in integration and the like, and can realize remote acquisition and transmission of water meter data under the condition that normal operation of the water meter is not affected. Meanwhile, the internet of things module can also support various communication protocols and technologies so as to meet data transmission requirements in different scenes.
In some embodiments of the present application, please refer to fig. 2 in combination: the battery self-detection process of the multifunctional split water meter based on spc battery self-detection comprises the following steps: after the water meter is judged to be powered down and powered up, static battery detection is carried out, wherein the detection method is that the detection is carried out for 240 times at 1 second after 1 minute of power up. And after the judgment of reset, the static battery detection is immediately carried out. Judging whether the water meter is powered off and powered on or reset, performing battery detection according to a normal battery detection flow by the water meter, and performing static battery detection by a battery voltage detection mechanism for detecting 240 times at 180 seconds/time by the water meter;
it should be noted that, in the present embodiment, the self-detection function described above refers to the ability of the battery to automatically detect and diagnose its own state and performance; detecting parameters such as voltage, current, temperature and the like of the battery through a sensor and a measuring device of the SCP battery; these data can be processed and analyzed by transmission to the control element described above; if any one of the sensors inside the battery detects an abnormality, such as a large loss of battery capacity, a decrease in charging efficiency, or the like.
It should be noted that, in the present embodiment, the self-detection function described above is not limited thereto; the water meter also has the capability of automatically detecting the voltage of the battery and diagnosing the state and performance of the water meter; detecting the battery voltage of the water meter through a water meter MCU control panel, and then transmitting detection data to the control element for data processing and analysis; when the battery voltage is detected to be low, the low-electric-power detection judgment flow described below is immediately entered.
In some embodiments of the present application, please refer to fig. 3 in combination: the battery detection of the water meter is divided into primary low-electricity detection and secondary low-electricity detection. The normal detection interval of the battery voltage is 10 minutes for detection once, and if the battery voltage value is detected to be larger than 3.2V but smaller than the low primary threshold by 3.4V for a certain time in the 10 minutes detection interval, the water meter enters the primary detection flow of the battery. The water meter enters a battery voltage detection mechanism for detecting 240 times at 180 seconds/time, and when the battery voltage of the water meter is higher than 3.2V and lower than 3.4V in 238 times or more of continuous detection, the battery voltage is judged to be low and the alarm is given out at one stage;
after the water meter detects that the low-electricity primary alarm occurs, the water meter actively reports a low-voltage event of the battery, saves the battery voltage value detected in the last static state, and can still normally perform the work of metering, key reporting, valve opening and closing and the like;
when the water meter detects that the battery voltage values are lower than the secondary alarm threshold value by 3.2V, the water meter judges low-electricity primary alarm and low-electricity secondary alarm simultaneously; the battery detection mechanism is re-entered through manual intervention of a touch key, detection is carried out once every 1 second, detection is carried out continuously for 240 times, when the battery voltage is detected to be greater than 3.4V for 240 times, the battery voltage primary alarm is exited, the battery voltage value is updated, the detection flow is exited, and the detection period is switched to 10 minutes to one detection again;
preferably, an infrared communication switch or a reporting switch of the water meter is determined by a key. When the key is pressed for a long time until the first infrared lamp is on, the infrared communication is started, and the duration of the communication is 1 minute; and when the key is pressed for a long time until the second infrared lamp is on for a long time, the NB key reporting function of the water meter is opened, and the water meter reports data.
Preferably, the battery detection mechanism of the water meter for powering down and powering up is to detect 240 times with 1 second once after 1 minute, and perform static battery detection; the battery detection mechanism after the water meter is reset is used for immediately carrying out static detection on the battery after the water meter is reset; the normal battery detection mechanism of the water meter is that the water meter carries out static detection on the battery by using a battery voltage detection mechanism for detecting 240 times at 180 seconds/time;
after the battery voltage of the water meter is low at one stage, the water meter continuously works, the detection interval is still 10 minutes once, in the detection interval of 10 minutes, when the battery voltage value is detected to be lower than the battery alarm threshold value by 3.2V, the water meter enters a secondary low-electricity detection mechanism, namely, the water meter is detected once in 10 minutes, and when the accumulated detection is detected to be lower than the secondary alarm threshold value for 3 times, the secondary battery voltage alarm is judged on the basis of the primary low-electricity.
After the water meter low-electricity secondary alarm, the valve is immediately closed, the active report is not performed, the metering is not performed, at the moment, the water meter can immediately perform low-electricity storage, the data such as the instantaneous accumulated consumption, the residual amount and the event record of the low-electricity secondary are stored, the stored data can not be lost after the power is completely lost, and the accuracy of the low-electricity stored data of the water meter and the convenience of battery replacement are ensured. The water meter executes the detection releasing instruction through manual intervention of the touch key, the detection interval is 1 second, and the detection is continuously carried out for 240 times.
When the water meter continuously detects that the battery voltage is greater than 3.2V and less than 3.4V, the water meter only releases the low-electricity secondary alarm, and when the battery voltage is greater than 3.4V, the water meter simultaneously releases the low-electricity primary alarm and the low-electricity secondary alarm.
In the scheme, a base meter is connected in an underground water well, and a controller is connected on the well;
the controller controls each underground base table, the base tables transmit metering data to the controller through a data transmission line, the controller can send valve opening and closing commands to the base tables through NB or infrared respectively or simultaneously, and the base tables synchronously execute commands sent by the controller; the base meter drives the reed switch to open and close through the rotation of the gear, generates a pulse signal, and achieves the purpose of metering through the processing of the singlechip;
in the scheme, the principle that the base meter drives the reed switch to be opened or closed through the gear to generate the pulse signal is based on the working principle of the magnetic element. The resistance value of the reed switch is controlled by utilizing the change of the magnetic field, so that a pulse signal is generated and used for measuring the flow of water; the measuring principle based on the reed switch and the permanent magnet has the advantages of high precision, good stability, long service life and the like;
specifically, the gauge head of the base gauge is internally provided with a group of reed pipes and permanent magnets, the reed pipes are electronic devices and are composed of two metal sheets, and when an external magnetic field acts, the distance between the two metal sheets can be changed, so that the resistance value of the reed pipes is changed. The permanent magnet generates a magnetic field, when the reed pipe is close to the permanent magnet, the distance between the metal sheets is reduced, and the resistance value of the reed pipe is also changed; when water flows through the base meter, the gear can drive the reed switch to be close to or far away from the permanent magnet, so that the resistance value of the reed switch is changed. Because the resistance value of the reed pipe can change along with the change of the magnetic field, when the reed pipe is opened or closed, a pulse signal is generated, and the frequency of the pulse signal is in direct proportion to the water flow;
in the scheme, the valve control module is a hardware module for remotely controlling the valve switch of the water meter, is usually integrated in the intelligent water meter, and can realize remote control and management of the water meter.
The valve control module consists of a motor, a driving circuit and a sensor. The motor is a device for controlling the opening and closing of the valve, and a direct current motor or a stepping motor is generally used. The driving circuit is a circuit for controlling the motor to rotate, and a motor driving chip or a motor driving module is generally adopted. The sensor is a device for detecting the valve state, and can realize real-time monitoring and feedback of the valve state.
The valve control module of the intelligent water meter is generally connected with the cloud platform or the management system through a wireless communication technology, so that remote control and management can be realized. On the basis of meeting the related control principle, a worker can remotely control the valve switch of the intelligent water meter through mobile equipment such as a mobile phone, a tablet personal computer and the like and the Internet, so that remote management and control of the water meter are realized.
In the scheme, all electric elements of the whole device are powered by mains supply; specifically, the electric elements of the whole device are in conventional electrical connection with the commercial power output port through the relay, the transformer, the button panel and other devices, so that the energy supply requirements of all the electric elements of the device are met.
Preferably, the power module is a lithium battery power supply: the lithium battery power supply has the advantages of high energy density, low self-discharge rate, long service life and the like, and is suitable for scenes with requirements on power supply capacity. In addition, the lithium battery power supply can also adopt a charging circuit and an electric quantity detection circuit to realize intelligent management and monitoring of the battery.
Preferably, the power supply module supplies power to the power grid: the power grid power supply can ensure the stable and long-term power supply of the intelligent water meter, and is suitable for the scene needing long-term operation. However, the power grid power supply needs to consider factors such as power supply stability, voltage fluctuation and the like so as to ensure the normal operation of the water meter.
It can be understood that the above-mentioned preferred scheme needs to consider the actual service condition and the demand of water gauge, according to the requirement in the aspect of capacity, stability, reliability etc. of power, select suitable power type and power module to guarantee the long-term steady operation of intelligent water gauge. Meanwhile, in order to save energy and prolong the service life of a battery, the power supply module can also adopt the technical means of power consumption management, low-power consumption design and the like, so that the energy consumption of the water meter is reduced.
Specifically, a main end controller is further arranged outside the device, and the main end controller is used for connecting and controlling all electric elements of the whole device to drive according to a preset program as a preset value and a drive mode; it should be noted that the driving mode corresponds to output parameters such as start-stop time interval, rotation speed, power and the like between related electrical components, and meets the requirement that related electrical components drive related mechanical devices to operate according to the functions described in the related electrical components.
Preferably, the controller is a PLC controller, and the control requirement is completed through a ladder diagram, a sequence function diagram, a function block diagram, an instruction list or a structural text and other conventional PLC control modes; it should be noted that the output parameters such as the operation start-stop time interval, the rotation speed, the power and the like of the electric element or other power elements driven by the programming are not limited; specifically, the control of the relevant drive is adjusted according to the actual use requirement.
Preferably, the master controller is also provided with a wireless transmitting module and a wireless receiving module, and the wireless transmitting module sends out an instruction signal of working or suspending to the wireless receiving module through a medium; when necessary, a worker can input an instruction to the wireless transceiver module through a background wireless remote control device so as to remotely control a controller, and further, all electric elements of the device are remotely controlled to drive according to a related driving mode; meanwhile, the wireless transceiver module can also transmit the relevant coefficients or other information detected by the relevant sensing elements or the servo driving element system in the device to the background staff.
The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments may not be described, however, they should be considered as the scope of the present description as long as there is no contradiction between the combinations of the technical features.
Example 1
In order to make the above-described embodiments of the present utility model more comprehensible, embodiments accompanied with the present utility model are described in detail by way of example. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, so that the utility model is not limited to the embodiments disclosed below.
The present embodiment is based on the relevant principles described in the above detailed description, where exemplary applications are:
see fig. 2-3:
s1, a battery self-detection flow of a multifunctional split water meter based on spc battery self-detection: after the water meter is judged to be powered down and powered up, static battery detection is carried out, wherein the detection method is that the detection is carried out for 240 times at 1 second after 1 minute of power up. And after the judgment of reset, the static battery detection is immediately carried out. Judging whether the water meter is powered off and powered on or reset, performing battery detection according to a normal battery detection flow by the water meter, and performing static battery detection by a battery voltage detection mechanism for detecting 240 times at 180 seconds/time by the water meter;
s2, detecting the normal detection interval of the battery voltage for one time in 10 minutes, and if the battery voltage value is detected to be lower than 3.4V but higher than 3.2V for a certain time in the 10-minute detection interval, enabling the water meter to enter a battery primary detection process. The water meter enters a battery voltage detection mechanism for detecting 240 times at 180 seconds/time, and when the battery voltage of the water meter is higher than 3.2V and lower than 3.4V in 238 times or more of continuous detection, the battery voltage is judged to be low and the alarm is given out at one stage;
and S3, after the water meter detects that the low-electricity primary alarm occurs, actively reporting a battery voltage low event, storing the battery voltage value detected in the last static state, and still normally carrying out the work of metering, key reporting, valve opening and closing and the like.
The above examples merely illustrate embodiments of the utility model that are specific and detailed for the relevant practical applications, but are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Example two
In order to make the above-described embodiments of the present utility model more comprehensible, embodiments accompanied with the present utility model are described in detail by way of example. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, so that the utility model is not limited to the embodiments disclosed below.
The present embodiment is based on the relevant principles described in the above detailed description, where exemplary applications are:
see fig. 2-3:
s1, a battery self-detection flow of a multifunctional split water meter based on spc battery self-detection: after the water meter is judged to be powered down and powered up, static battery detection is carried out, wherein the detection method is that the detection is carried out for 240 times at 1 second after 1 minute of power up. And after the judgment of reset, the static battery detection is immediately carried out. Judging whether the water meter is powered off and powered on or reset, performing battery detection according to a normal battery detection flow by the water meter, and performing static battery detection by a battery voltage detection mechanism for detecting 240 times at 180 seconds/time by the water meter;
s2, detecting the normal detection interval of the battery voltage for one time in 10 minutes, and if the battery voltage value is detected to be lower than 3.4V but higher than 3.2V for a certain time in the 10-minute detection interval, enabling the water meter to enter a battery primary detection process. The water meter enters a battery voltage detection mechanism for detecting 240 times at 180 seconds/time, and when the battery voltage of the water meter is higher than 3.2V and lower than 3.4V in 238 times or more of continuous detection, the battery voltage is judged to be low and the alarm is given out at one stage;
s3, after the water meter detects that the low-electricity primary alarm occurs, actively reporting a battery voltage low event, storing the battery voltage value detected in the last static state, and still normally carrying out the work of metering, key reporting, valve opening and closing and the like;
s4, when the water meter detects that the battery voltage values are lower than the secondary alarm threshold value by 3.2V, the water meter judges low-electricity primary alarm and low-electricity secondary alarm simultaneously; the battery detection mechanism is re-entered through manual intervention of a touch key, detection is carried out once every 1 second, detection is carried out continuously for 240 times, when the battery voltage is detected to be greater than 3.4V for 240 times, the battery voltage primary alarm is exited, the battery voltage value is updated, the detection flow is exited, and the detection period is switched to 10 minutes to one detection again;
s5, based on S3, after the battery voltage of the water meter is low at one stage, the water meter continuously works, the detection interval is still 10 minutes once, in the detection interval of 10 minutes, when the battery voltage value is detected to be lower than the battery alarm threshold value by 3.2V, the water meter enters a secondary low-electricity detection mechanism, namely, the water meter is detected once in 10 minutes, and when the accumulated detection is detected for 3 times to be lower than the secondary alarm threshold value, the secondary alarm of the battery voltage is judged on the basis of the primary low-electricity;
s6, immediately closing the valve after the low-electricity secondary alarm of the water meter, and not actively reporting and metering any more, at the moment, the water meter can immediately store the low-electricity, and store the data such as the instantaneous accumulated consumption, the residual amount, the event record and the like of the low-electricity secondary alarm, so that the thoroughly power-down stored data can not be lost, and the accuracy of the low-electricity stored data of the water meter and the convenience of battery replacement in the follow-up process are ensured. The water meter executes the detection releasing instruction through manual intervention of the touch key, the detection interval is 1 second, and the detection is continuously carried out for 240 times.
When the water meter continuously detects that the battery voltage is greater than 3.2V and less than 3.4V, the water meter only releases the low-electricity secondary alarm, and when the battery voltage is greater than 3.4V, the water meter simultaneously releases the low-electricity primary alarm and the low-electricity secondary alarm.
The above examples merely illustrate embodiments of the utility model that are specific and detailed for the relevant practical applications, but are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. The utility model provides a multi-functional split type water gauge based on spc battery self-detection, includes eight basic tables of controller and outband external data transmission line, its characterized in that: the water meter is internally provided with a controller which is compatible with a communication module;
the controller sends a valve opening and closing command to the base table respectively or simultaneously;
the controller reads metering data of the corresponding base table through pulse signals;
the low electricity of the water meter is divided into a first low electricity of battery voltage and a second low electricity of battery voltage; when the battery voltage of the water meter is detected to be 3.2V-3.4V, judging a first-level low-electricity alarm of the battery voltage; when the battery voltage of the water meter is detected to be lower than 3.2V, judging a secondary low-voltage alarm of the battery voltage; and controlling the valve through the primary low-electricity alarm and the secondary low-electricity alarm.
2. The spc battery self-detection based multifunctional split water meter of claim 1, wherein: the water meter comprises an MCU processing unit, a key module, an infrared communication module, an Internet of things module, a valve control module, the base meter, a network platform, a memory module, a metering module, a power module and an encryption module; the base table part is connected with the MCU main board through a data transmission line.
3. The spc battery self-detection based multifunctional split water meter according to claim 1 or 2, wherein: the communication module comprises an NB or an infrared communication module.
4. A spc battery self-test based multifunctional split water meter as claimed in claim 3, wherein: the controller is respectively connected with 8 basic tables through 8 5 core wires;
the 5 core wire comprises a metering A terminal, a metering B terminal, a metering COOM terminal, a valve forward direction 'M+' terminal and a valve reverse direction 'M-' terminal; the front end of the base meter is provided with 5 terminals which are identical to the 5 core wires; the 5 core wires are correspondingly connected with the terminals of the base meter.
5. The spc battery self-detection based multifunctional split water meter of claim 4, wherein: the base table is connected in an underground water well, and the controller is connected on the well;
the controller controls underground base tables, the base tables transmit metering data to the controller through a data transmission line, the controller can send switch valve commands to the base tables through NB or infrared respectively or simultaneously, and the base tables synchronously execute commands sent by the controller.
6. The spc battery self-detection based multifunctional split water meter of claim 1, wherein: the base meter drives the reed switch to open and close through gear rotation, generates pulse signals, and achieves the purpose of metering through single chip microcomputer processing.
7. The spc battery self-detection based multifunctional split water meter of claim 6, wherein: and reading the metering data of the corresponding base table from the controller end of the water meter through NB-IoT or infrared communication.
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