CN213874511U - Narrowband thing networking electromechanical separation intelligence does not have magnetism water gauge - Google Patents
Narrowband thing networking electromechanical separation intelligence does not have magnetism water gauge Download PDFInfo
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- CN213874511U CN213874511U CN202022821755.1U CN202022821755U CN213874511U CN 213874511 U CN213874511 U CN 213874511U CN 202022821755 U CN202022821755 U CN 202022821755U CN 213874511 U CN213874511 U CN 213874511U
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Abstract
The utility model discloses a narrowband internet of things electromechanical separation intelligent non-magnetic water meter, which comprises a base meter and a rotation signal acquisition device; the base meter comprises a water meter body, a plurality of metering pointers which are arranged on the water meter body and represent different metering units, and a fan-shaped steel sheet which is coaxially arranged with one of the metering pointers; the fan-shaped steel sheet synchronously rotates along with the rotating shaft of the metering pointer; a rotating signal acquisition device is arranged above the fan-shaped steel sheet and comprises a signal acquisition sensing coil and a signal processing circuit; a detection gap is formed between the signal acquisition sensing coil and the fan-shaped steel sheet, and the signal processing circuit comprises an operation core, an MCU of a control center, a data storage module, a power supply module, a communication module and a non-magnetic sensor detection module; and the data storage module, the power supply module, the communication module and the non-magnetic sensor detection module are all connected with the MCU.
Description
Technical Field
The utility model relates to an intelligence water gauge field specifically is a narrowband thing networking electromechanical separation intelligence does not have magnetism water gauge.
Background
The water meter is an instrument for measuring water flow, originates from the great britain, has developed for nearly 200 years, has gradually developed to the stage of coexistence of the current mechanical meter and an intelligent water meter product from the initial full mechanical form, and has developed towards the stage of intelligent water meter products with higher intelligence degree along with the rapid development of mobile internet technology, wireless communication technology, cloud computing technology, big data processing technology and artificial intelligence technology. The existing intelligent water meter can not achieve optimization all the time in the aspects of cost control, maintenance and replacement, service life, accurate data, effective data transmission and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the defect that exists among the prior art, provide a no magnetism water gauge of narrowband thing networking mechatronic separation intelligence.
The technical scheme is as follows: a narrow-band Internet of things electromechanical separation intelligent water meter comprises a base meter and a rotation signal acquisition device; the base meter comprises a water meter body, a plurality of metering pointers which are arranged on the water meter body and represent different metering units, and a fan-shaped steel sheet which is coaxially arranged with one of the metering pointers; the fan-shaped steel sheet synchronously rotates along with the rotating shaft of the metering pointer; a rotating signal acquisition device is arranged above the fan-shaped steel sheet and comprises a signal acquisition sensing coil and a signal processing circuit; a detection gap is formed between the signal acquisition sensing coil and the fan-shaped steel sheet, and the signal processing circuit comprises an operation core, an MCU of a control center, a data storage module, a power supply module, a communication module and a non-magnetic sensor detection module; the data storage module, the power supply module, the communication module and the non-magnetic sensor detection module are all connected with the MCU;
the data storage module is used for storing the data collected by the non-magnetic sensor detection module;
the power supply module is used for supplying power to the electronic part;
the communication module is used for transmitting data collected by the electronic part to the outside;
the non-magnetic sensor detection module is used for collecting signals generated by the signal collection sensing coil.
Further, the detection gap is not more than 10 mm.
Further, the fan-shaped steel sheet is arranged on one side of the metering pointer representing the minimum metering unit, and the fan-shaped steel sheet is connected with the rotating shaft of the metering pointer representing the minimum metering unit through gear meshing.
Further, the rotating speed of the fan-shaped steel sheet is the same as that of a measuring pointer representing the minimum measuring unit.
Furthermore, the water meter body adopts a rotor liquid seal cold water meter.
Further, the communication module comprises an NB-IoT communication module, and the NB-IoT communication module transmits the data stored in the data storage module to an external server.
Furthermore, the communication module further comprises an infrared communication module, and the infrared communication module is used for data transmission between the electronic part and the terminal equipment.
Furthermore, the anti-theft monitoring device further comprises an anti-theft detection module, wherein the anti-theft detection module is connected with the MCU and completes anti-theft monitoring based on the vibration sensor.
Furthermore, the central angle of the fan-shaped steel sheet is 180-210 degrees.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
1. the utility model adopts the non-magnetic sensor, does not contain magnetic components such as permanent magnets, is little influenced by internal and external magnetic force, can effectively improve the counting precision of the water meter, can record the forward and reverse flow, and is not influenced by magnetism;
2. the utility model discloses an electromechanical separation design, do not destroy the structure of current wet-type water gauge, only need to install fan-shaped stainless steel sheet on current wet-type water gauge, also need not to destroy the surface glass of wet-type water gauge during the collection simultaneously, only need directly place collection system on the surface glass of wet-type water gauge and just can accurate data acquisition; the base meter or the electronic part can be independently replaced without redundant cable connection, so that the water meter is compact in overall structure, small in appearance and convenient to install;
3. the utility model adopts the low power consumption single chip microcomputer and the NB-IoT module, and has the advantages of reliable data transmission, low power consumption, long service life and the like;
4. the utility model discloses a built-in shock transducer can realize the theftproof function.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the mechanical part of the present invention;
FIG. 3 is a schematic diagram of the module connection of the present invention;
fig. 4 is an NB-IOT communication module circuit.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
The narrow-band internet of things electromechanical separation intelligent water meter comprises a mechanical part and an electronic part, wherein the electronic part is arranged inside the mechanical part, the mechanical part and the electronic part are in electromechanical separation design, no redundant cable is connected between the mechanical part and the electronic part, and a base meter or the electronic part can be replaced independently.
The mechanical part of the embodiment comprises a water meter body, a plurality of red pointers which are arranged on the water meter body and represent different metering units, and a fan-shaped steel sheet which is coaxially arranged with one of the red pointers, wherein the fan-shaped steel sheet synchronously rotates along with a rotating shaft of the red pointer. Wherein, the water gauge body adopts no magnetism water gauge, and the no magnetism water gauge of this embodiment adopts but not limited to rotor liquid seal cold water gauge, through its rotor formula measurement structure, has advantages such as the mobility is good, the measurement accuracy is high, and because its character wheel is sealed in special liquid, has that antifouling performance is good, the clear audio-visual advantage of reading.
The electronic part of the embodiment comprises a rotation signal acquisition device which is arranged above the glass of the water meter body and corresponds to the position of the fan-shaped steel sheet; specifically, the rotation signal acquisition device comprises a signal acquisition sensing coil and a signal processing circuit; in order to not damage the surface glass of the wet water meter, a detection gap is arranged between the signal acquisition sensing coil and the fan-shaped steel sheet, the detection gap is smaller than or equal to 10mm, in order to meet the volume requirement of the water meter, the installation is more reasonable, the appearance is more attractive, the diameter of the fan-shaped steel sheet is 16 +/-0.2 mm, and the central angle is 180-210 degrees. In order to meet the volume requirement of the water meter and enable the installation to be more reasonable, the fan-shaped steel sheet of the embodiment is arranged on one side of the red pointer which represents the minimum metering unit in all the red pointers, the rotating shaft connected with the fan-shaped steel sheet is meshed with the rotating shaft of the red pointer of the minimum metering unit through a gear, and the rotating speeds of the fan-shaped steel sheet and the red pointer of the minimum metering unit are the same.
As shown in fig. 3, the signal processing circuit of this embodiment includes an MCU, a data storage module, a power module, an NB-IoT communication module, a magnetic sensor-free detection module, an anti-theft detection module, an infrared communication module, and a touch key module, where the data storage module, the power module, the NB-IoT communication module, the magnetic sensor-free detection module, the anti-theft detection module, and the infrared communication module are all connected to the MCU; the data storage module is used for storing data collected by the non-magnetic sensor detection module, the power supply module is used for supplying power to all the modules, the NB-IoT communication module is used for transmitting the data collected by the non-magnetic sensor, the non-magnetic sensor detection module is used for collecting signals generated by the signal collection sensing coil, the anti-theft detection module realizes anti-theft based on the vibration sensor, the infrared communication module is used for realizing data transmission between the electronic part and a mobile phone (or a computer), necessary data setting, reading and displaying are carried out, if the anti-theft detection module is used for field installation and debugging, the data to be collected is set through the infrared sensor during field installation, and the initial water meter base number is consistent with the base meter number. The infrared communication module is used for conveniently connecting the PCB with the terminal equipment, conveniently connecting data exchange, has the characteristics of simplicity, easiness in use and compact structure, occupies smaller space, is favorable for integral encapsulation of the PCB, and has no influence on signal receiving. The touch key module is provided with a touch button on the electronic panel, and when the touch button is touched, the infrared communication module is awakened, so that reading and parameter setting can be performed.
Each module in the signal processing circuit is integrated on a PCB board, and the PCB board encapsulation is inside mechanical part, and mechanical part passes through upper cover 1, sealing washer 4, control housing 3, water meter case 6, left fixed plate 10, right fixed plate 8 and accomplishes the fixed of PCB board, now combines fig. 2, and the concrete description is as follows: the PCB 2 is placed at a corresponding position of the control shell 3 and is sealed by fixing and pouring glue through screws, the sealing ring 4 is placed at a corresponding position of the upper cover 1, and the lithium battery pack 5 is placed at a corresponding position of the water meter shell 6; the upper cover 1 is fixedly connected with the water meter shell 6 by screws; the assembled water meter shell 6 is arranged on the base meter 7, the slots on the water meter shell 6 are correspondingly arranged with the ribs on the base meter 7, and the shell upper cover 9, the left fixing plate 10, the right fixing plate 8 and the assembled water meter shell 6 are fixed by screws. The above-mentioned lithium battery pack is composed of a 3.6V disposable battery and a 40mAh lithium ion capacitor. The utility model discloses sealing performance is good, seals up electronic component, improves the reliability of electronic component work.
Preferably, the NB-IOT module of the present embodiment has the model of SIM7020C, and the specific circuit diagram can be referred to as fig. 3, and those skilled in the art can build a module circuit that can implement the above functions without making creative efforts without referring to the specific circuit diagram of the present embodiment. The MCU adopts STM32L071RBT6 to realize operation and control, the infrared communication module is SL0038ED, the data storage module is CAT24C512WI-GT3, and the non-magnetic sensor module is SCNM 1908. The non-magnetic sensor detection module transmits the acquired data through the mobile (telecommunication) NB-IoT communication module, the NB-IoT communication module can be compatible with a mobile or telecommunication operator card, and can be switched to another operator under the condition that the signal of a single operator on site is not good, so that the dependence of equipment on the signal of the single operator is reduced, the data transmission is reliable and stable, the power consumption is low, the operation cost is low, and the acquisition, processing, storage and transmission of mass data enable managers to extract the required data as required and perform necessary analysis on the data. The data storage module is constructed by a memory chip ATCM 01.
The non-magnetic sensor detection module of this embodiment adopts non-contact induction formula electronic sensor, uses no magnetism signal detection technique, directly reads fan-shaped steel sheet and rotates the number of turns signal to carry out the flow correction to the rotational speed, greatly improved the precision and the resolution ratio of flow detection, in addition its low-power consumption characteristics that detect, very suitable for being used in the application of the household water gauge of little flow, frequent switch.
Claims (9)
1. The utility model provides a no magnetism water gauge of narrowband thing networking electromechanical separation intelligence which characterized in that: comprises a base meter and a rotation signal acquisition device; the base meter comprises a water meter body, a plurality of metering pointers which are arranged on the water meter body and represent different metering units, and a fan-shaped steel sheet which is coaxially arranged with one of the metering pointers; the fan-shaped steel sheet synchronously rotates along with the rotating shaft of the metering pointer; a rotating signal acquisition device is arranged above the fan-shaped steel sheet and comprises a signal acquisition sensing coil and a signal processing circuit; a detection gap is formed between the signal acquisition sensing coil and the fan-shaped steel sheet, and the signal processing circuit comprises an operation core, an MCU of a control center, a data storage module, a power supply module, a communication module and a non-magnetic sensor detection module; the data storage module, the power supply module, the communication module and the non-magnetic sensor detection module are all connected with the MCU;
the data storage module is used for storing the data collected by the non-magnetic sensor detection module;
the power supply module is used for supplying power to the electronic part;
the communication module is used for transmitting data collected by the electronic part to the outside;
the non-magnetic sensor detection module is used for collecting signals generated by the signal collection sensing coil.
2. The narrow-band internet of things electromechanical separation intelligent non-magnetic water meter according to claim 1, characterized in that: the detection gap is not more than 10 mm.
3. The narrow-band internet of things electromechanical separation intelligent non-magnetic water meter according to claim 1, characterized in that: the fan-shaped steel sheet is arranged on one side of the metering pointer representing the minimum metering unit, and the fan-shaped steel sheet is meshed with a rotating shaft of the metering pointer representing the minimum metering unit through a gear.
4. The narrow-band internet of things electromechanical separation intelligent non-magnetic water meter according to claim 1, characterized in that: the rotating speed of the fan-shaped steel sheet is the same as that of a measuring pointer representing the minimum measuring unit.
5. The narrow-band internet of things electromechanical separation intelligent non-magnetic water meter according to claim 1, characterized in that: the water meter body adopts a rotor liquid seal cold water meter.
6. The narrow-band internet of things electromechanical separation intelligent non-magnetic water meter according to claim 1, characterized in that: the communication module includes an NB-IoT communication module that transmits data stored in the data storage module to an external server.
7. The narrow-band Internet of things electromechanical separation intelligent non-magnetic water meter according to claim 6, characterized in that: the communication module further comprises an infrared communication module, and the infrared communication module is used for data transmission between the electronic part and the terminal equipment.
8. The narrow-band internet of things electromechanical separation intelligent non-magnetic water meter according to claim 1, characterized in that: the anti-theft monitoring system is characterized by further comprising an anti-theft detection module, wherein the anti-theft detection module is connected with the MCU and completes anti-theft monitoring based on the vibration sensor.
9. The narrow-band internet of things electromechanical separation intelligent non-magnetic water meter according to claim 1, characterized in that: the central angle of the fan-shaped steel sheet is 180-210 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022821755.1U CN213874511U (en) | 2020-11-30 | 2020-11-30 | Narrowband thing networking electromechanical separation intelligence does not have magnetism water gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022821755.1U CN213874511U (en) | 2020-11-30 | 2020-11-30 | Narrowband thing networking electromechanical separation intelligence does not have magnetism water gauge |
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| Publication Number | Publication Date |
|---|---|
| CN213874511U true CN213874511U (en) | 2021-08-03 |
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| CN202022821755.1U Active CN213874511U (en) | 2020-11-30 | 2020-11-30 | Narrowband thing networking electromechanical separation intelligence does not have magnetism water gauge |
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| CN (1) | CN213874511U (en) |
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2020
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