CN115931064A - Self-generating intelligent remote water meter - Google Patents
Self-generating intelligent remote water meter Download PDFInfo
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- CN115931064A CN115931064A CN202211721056.7A CN202211721056A CN115931064A CN 115931064 A CN115931064 A CN 115931064A CN 202211721056 A CN202211721056 A CN 202211721056A CN 115931064 A CN115931064 A CN 115931064A
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Abstract
The invention provides a self-generating intelligent remote water meter which comprises a connecting pipe, wherein a sealing cavity is arranged on the side wall of the connecting pipe; an impeller is arranged in the sealing cavity, a closed coil is arranged in the impeller, and a permanent magnet is arranged on the side wall of the sealing cavity; a box body is arranged on one side of the connecting pipe, which is far away from the sealing cavity, an induction coil is arranged in the box body, and the output end of the induction coil is sequentially connected with a rectifier, a direct current voltage stabilizer, a DC/DC converter and a rechargeable battery; the box body is also internally provided with a controller and a wireless transmission module, the controller calculates the water consumption according to the charging amount of the rechargeable battery, and periodically uploads the water consumption data to a monitoring background through the wireless transmission module. According to the invention, the closed coil is arranged in the impeller of the water meter, the permanent magnet is arranged on the side wall of the sealed cavity, and the induction coil arranged in the box body generates induction current, so that the battery is charged, the power supply requirement of the water meter is met, the leakage risk is avoided, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to a self-generating intelligent remote water meter.
Background
The remote water meter is an intelligent water meter consisting of a common mechanical water meter and an electronic acquisition and signaling module, the meter body adopts an integrated design, and the electronic acquisition module finishes signal acquisition, data processing and storage and transmits data to a server management system through a communication line, so that an operator can conveniently count and analyze data and avoid manual meter reading of property owners, and time and labor are wasted.
Along with the development of the internet of things technology and the construction of an intelligent water network, the intelligent remote water meter is widely used. At present, remote water meters in the market supply power to a display screen, a data acquisition module, a control module, a transmission module and the like through internal batteries, all-weather power supply enables the electric quantity of a battery to be rapidly reduced, the service life of the battery is short, the battery needs to be replaced frequently, and the workload of maintenance personnel is increased; if the battery is not replaced timely, the monitoring data is abnormal, and the management and operation of operators are affected.
Disclosure of Invention
The invention provides a self-generating intelligent remote-transmission water meter, which solves the problems that a battery of a remote-transmission water meter needs to be frequently replaced and the like in the prior art.
The technical scheme of the invention is realized as follows:
a self-generating intelligent remote water meter comprises a connecting pipe, wherein a sealed cavity is arranged on the side wall of the connecting pipe and communicated with the inside of the connecting pipe, and a water inlet and a water outlet are respectively formed in two ends of the connecting pipe; an impeller is arranged in the sealing cavity, a closed coil is arranged in the impeller, and a permanent magnet is arranged on the side wall of the sealing cavity; a box body is arranged on one side of the connecting pipe, which is far away from the sealing cavity, an induction coil is arranged in the box body, and the output end of the induction coil is sequentially connected with a rectifier, a direct current voltage stabilizer, a DC/DC converter, a rechargeable battery and a battery management module; the box body is internally provided with a controller and a wireless transmission module, the controller is electrically connected with the battery management module and the wireless transmission module respectively, the controller calculates the water consumption according to the charging amount of the rechargeable battery, and the wireless transmission module periodically uploads the water consumption data to the monitoring background.
According to the invention, the closed coil is arranged in the impeller of the water meter, the permanent magnet is arranged on the side wall of the sealed cavity, and the induction coil arranged in the box body generates induction current, so that the battery is charged, and the power supply requirement of the water meter is met; the wireless charging mode is adopted to charge the battery, the generated electricity is not led out and utilized by the electric brush, the risk of electric leakage does not exist, and the safety is improved.
As a preferable scheme of the invention, the top end of the impeller is positioned in the connecting pipe; the impeller comprises a rotating shaft and a plurality of blades uniformly arranged along the circumferential direction of the outer wall of the rotating shaft, two ends of the rotating shaft are arranged on two opposite side walls of the sealed cavity through sealed bearings, and the axis of the rotating shaft is perpendicular to the different surfaces of the axis of the connecting pipe; excitation coils are embedded in the blades, and the excitation coils in the blades form closed coils in a series connection mode; a plurality of exciting coils form a closed coil in a series connection mode, so that the magnetic flux change of the impeller in the closed coil in the rotating process is more obvious, the induced current is increased, the power generation power is improved, and meanwhile, the accuracy of water consumption monitoring is also improved.
As a preferable scheme of the invention, the exciting coils are bow-shaped coils arranged in an array, and the variation of magnetic flux in the closed coils in the rotation process of the impeller is increased, so that the induced current is increased, and the generated power is improved.
As the preferable scheme of the invention, the blades and the rotating shaft are made of insulating materials, and the outer surface of the exciting coil can be coated with a layer of insulating layer to prevent short circuit and improve the safety and the reliability.
As a preferable scheme of the invention, the side wall of the sealed cavity is of a double-layer hollow structure, and the permanent magnet is arranged in the double-layer hollow structure.
As a preferable scheme of the present invention, the radial cross section of the seal cavity is circular arc, the axis of the rotating shaft coincides with the axis of the circular arc, the outer diameter of the impeller matches with the inner diameter of the circular arc, and the distance from the inner bottom end of the seal cavity to the inner top end of the connecting pipe matches with the outer diameter of the impeller; the design can reduce the influence of water leakage (namely, water flows through between the impeller and the pipe wall without driving the impeller to rotate) on the water consumption monitoring result, improve the power generation efficiency of the impeller, and improve the sensitivity and the accuracy of water consumption metering.
As a preferable scheme of the invention, the top surface of the box body is also provided with a display screen which is electrically connected with the controller and is used for displaying real-time water consumption data, so that the water consumption data can be conveniently read in field meter reading.
As a preferable scheme of the invention, one end of the rotating shaft is provided with a rotating speed sensor which is electrically connected with the controller and the rechargeable battery; the controller checks the water consumption data according to the impeller rotating speed data monitored by the rotating speed sensor, the flow passing through the water meter can be calculated according to the rotating speed of the impeller, so that the water consumption data is obtained, the water consumption data obtained through calculation according to the rotating speed data and the water consumption data obtained through calculation according to the charging amount are checked mutually, the metering accuracy of the water meter can be improved, when one metering mode fails, the other metering mode can still continue to operate, and the operation reliability of the water meter is improved.
As a preferable scheme of the present invention, the method for checking the water consumption data comprises: calculating the water consumption according to impeller rotation speed data to obtain L1, calculating the water consumption according to the charging amount to obtain L2, and taking the average value of L1 and L2 as the actual water consumption when the difference value of L1 and L2 is smaller than the minimum value of a preset range; when the difference value between the L1 and the L2 is larger than the maximum value of the preset range, the impeller rotation speed-time sequence data and the charging amount-time sequence data in the current monitoring period are uploaded to a monitoring background for a monitoring person to manually check, if the manually checked data are not abnormal, the average value of the L1 and the L2 is still taken as the actual water consumption, if the manually checked data are abnormal, whether the rotation speed sensor fails or the impeller power generation assembly fails needs to be judged according to the abnormal data, and the water meter is timely overhauled and maintained.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the closed coil is arranged in the impeller of the water meter, the permanent magnet is arranged on the side wall of the sealed cavity, and the induction coil arranged in the box body generates induction current, so that the battery is charged, and the power supply requirement of the water meter is met; the wireless charging mode is adopted to charge the battery, the generated electricity is not required to be led out and utilized by means of the electric brush, the risk of electric leakage does not exist, and the safety is improved;
(2) According to the invention, the plurality of exciting coils form the closed coil in a series connection manner, so that the magnetic flux change in the closed coil is more obvious in the rotation process of the impeller, the induced current is increased, the power generation power is improved, and the accuracy of water consumption monitoring is improved;
(3) According to the invention, the water consumption data obtained by calculation according to the rotating speed data and the water consumption data obtained by calculation according to the charging amount are mutually checked, so that the metering accuracy of the water meter is improved, when one metering mode fails, the other metering mode can still continue to operate, and the operation reliability of the water meter is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a self-generating intelligent remote water meter according to the invention;
FIG. 2 is a schematic view of an arrangement of excitation coils within a blade in an embodiment of the invention;
fig. 3 is a schematic diagram illustrating a principle of a self-generating intelligent remote water meter according to the present invention;
in the figure: 1. a connecting pipe; 2. sealing the cavity; 3. a water inlet; 4. a water outlet; 5. a permanent magnet; 6. a box body; 7. a rotating shaft; 8. a blade; 9. an excitation coil; 10. and sealing the bearing.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the embodiments of the present invention, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the embodiment provides a self-generating intelligent remote water meter, which includes a connecting pipe 1, a sealed cavity 2 is arranged on a side wall of the connecting pipe 1, the sealed cavity 2 is communicated with the inside of the connecting pipe 1, and a water inlet 3 and a water outlet 4 are respectively arranged at two ends of the connecting pipe 1; an impeller is arranged in the sealing cavity 2, and the top end of the impeller is positioned in the connecting pipe 1; the impeller comprises a rotating shaft 7 and 6 blades 8 uniformly arranged along the circumferential direction of the outer wall of the rotating shaft 7, two ends of the rotating shaft 7 are arranged on two opposite side walls of the sealed cavity 2 through sealed bearings 10, and the axis of the rotating shaft 7 is perpendicular to the different surfaces of the axis of the connecting pipe 1; the blade 8 is embedded with the excitation coils 9,6 excitation coils 9 in the blade 8 form closed coils in a serial connection mode (the 6 excitation coils 9 form the closed coils in the serial connection mode, so that the magnetic flux change in the closed coils is more obvious in the rotation process of the impeller, the induced current is increased, the power generation power is improved, the accuracy of water consumption monitoring is improved, and the closed coils can be formed in a parallel connection or serial-parallel connection mode in the specific implementation process). The side wall of the sealed cavity 2 is of a double-layer hollow structure, and a permanent magnet 5 is arranged in the double-layer hollow structure; a box body 6 is arranged on one side, away from the sealed cavity 2, of the connecting pipe 1, an induction coil is arranged inside the box body 6, and the output end of the induction coil is sequentially connected with a rectifier (a full-bridge rectifying circuit), a direct current voltage stabilizer (a voltage stabilizing filter circuit), a DC/DC converter (a direct current voltage boosting and reducing circuit), a rechargeable battery (a lithium battery is adopted in the embodiment) and a battery management module (the battery management module is used for monitoring parameters such as charging power and residual electric quantity of the battery in real time); the solar energy water-saving monitoring box is characterized in that a controller (a single chip microcomputer with an internal memory and a timer can be adopted) and a wireless transmission module (a 5G Internet of things wireless transmission module can be adopted) are further arranged in the box body 6, the controller is respectively electrically connected with the battery management module and the wireless transmission module, the controller calculates water consumption according to the charging amount of the rechargeable battery, and the water consumption data is periodically uploaded to a monitoring background through the wireless transmission module.
According to the invention, the closed coil is arranged in the impeller of the water meter, the permanent magnet 5 is arranged on the side wall of the sealed cavity 2, the permanent magnet 5 can generate a constant magnetic field, the impeller is driven to rotate by water flow to drive the closed coil to rotate in the constant magnetic field to continuously cut the magnetic induction line, because the closed coil can cause the change of magnetic flux in the rotating process, induced current can be generated on the closed coil, the induced current can cause the change of the magnetic field in the continuous rotating process of the closed coil, the induced current can be generated in the changed magnetic field by the induction coil arranged in the box body 6, the induced current output by the induction coil outputs direct current matched with the rated input of a rechargeable battery after being rectified by the rectifier, stabilized by the direct current stabilizer and transformed by the DC/DC converter, so that the battery is charged, and the power supply requirement of the water meter is met. The wireless charging mode is adopted to charge the battery, the generated electricity is not led out and utilized by the electric brush, the risk of electric leakage does not exist, and the safety is improved.
As a preferable scheme of the present invention, the excitation coil 9 is a "bow" shaped coil arranged in an array, which increases the variation of magnetic flux in the closed coil during the rotation of the impeller, thereby increasing the induced current and increasing the generated power.
As a preferable scheme of the present invention, the blades 8 and the rotating shaft 7 are made of an insulating material, and an insulating layer may be coated on an outer surface of the excitation coil 9 to prevent short circuit, thereby improving safety and reliability.
As a preferable scheme of the present invention, the radial cross section of the seal cavity 2 is an arc (in this embodiment, a 1/3 circle), the axis of the rotating shaft 7 coincides with the axis of the arc, the outer diameter of the impeller matches with the inner diameter of the arc, and the distance from the bottom end of the inner side of the seal cavity 2 to the top end of the inner side of the connecting pipe 1 matches with the outer diameter of the impeller (in the process of rotation of the impeller, the gaps between the tail ends of the blades 8 and the pipe wall as well as the inner wall of the seal cavity 2 are very small, about 1 mm); the design can reduce the influence of water leakage (namely water flows between the impeller and the pipe wall without driving the impeller to rotate) on the water consumption monitoring result, improve the power generation efficiency of the impeller, and improve the sensitivity and the accuracy of water consumption measurement.
As a preferable scheme of the invention, the top surface of the box body 6 is also provided with a display screen which is electrically connected with the controller and is used for displaying real-time water consumption data, so that the water consumption data can be conveniently read in field meter reading.
As a preferable scheme of the present invention, one end of the rotating shaft 7 is provided with a rotation speed sensor, and the rotation speed sensor is electrically connected with the controller and the rechargeable battery; the controller checks the water consumption data according to the impeller rotating speed data monitored by the rotating speed sensor, the flow passing through the water meter can be calculated according to the rotating speed of the impeller, so that the water consumption data is obtained, the water consumption data obtained through calculation according to the rotating speed data and the water consumption data obtained through calculation according to the charging amount are checked mutually, the metering accuracy of the water meter can be improved, when one metering mode fails, the other metering mode can still continue to operate, and the operation reliability of the water meter is improved.
As a preferable scheme of the present invention, the method for checking the water consumption data comprises: calculating the water consumption according to the impeller rotating speed data to obtain L1, calculating the water consumption according to the charging amount to obtain L2, and taking the average value of L1 and L2 as the actual water consumption when the difference value of L1 and L2 is smaller than the minimum value of a preset range; when the difference value between the L1 and the L2 is larger than the maximum value of the preset range, the impeller rotation speed-time sequence data and the charging amount-time sequence data in the current monitoring period are uploaded to a monitoring background for monitoring personnel to manually check, if the manually checked data are abnormal, the average value of the L1 and the L2 is still taken as the actual water consumption, if the manually checked data are abnormal, whether the rotation speed sensor fails or the impeller power generation assembly fails needs to be judged according to the abnormal data, and the water meter is timely maintained and repaired.
The working principle of the intelligent remote water meter of the embodiment is as follows:
firstly, a connecting pipe 1 is installed on a water pipeline, water flow can drive an impeller to rotate in the process of flowing into a sealing cavity 2 from a water inlet 3 of the connecting pipe 1 and flowing out from a water outlet 4, closed coils in blades 8 can generate a changed electric field due to the rotation of the impeller, the changed electric field can generate a changed magnetic field, an induction coil in a box body 6 can generate induction current under the action of the changed magnetic field, and stable direct current is output to charge a battery after the induction current is rectified, stabilized and regulated, so that the power consumption requirement of a water meter is met; meanwhile, by utilizing the relation between the power generation power of the induction coil and the water flow flowing through the impeller, the power generation amount can be obtained according to the integral of the power generation power in a set time period, and the water consumption can be obtained according to the integral of the water flow in the set time period, so that the water consumption can be directly obtained according to the power generation amount, and the metering of the water meter is realized. Meanwhile, in order to ensure the accuracy and the reliability of the water meter metering, the rotating speed of the impeller is monitored by installing a rotating speed sensor at the end part of the rotating shaft 7 of the impeller, the water consumption can be obtained by utilizing the rotating speed of the impeller according to the relation between the rotating speed of the impeller and the water flow, and the water consumption obtained by utilizing the rotating speed of the impeller and the water consumption obtained by utilizing the generated energy are mutually checked, so that the accuracy and the reliability of the water meter metering are improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A self-generating intelligent remote water meter is characterized by comprising a connecting pipe (1), wherein a sealed cavity (2) is formed in the side wall of the connecting pipe (1), the sealed cavity (2) is communicated with the inside of the connecting pipe (1), and a water inlet (3) and a water outlet (4) are formed in two ends of the connecting pipe (1) respectively; an impeller is arranged in the sealed cavity (2), a closed coil is arranged in the impeller, and a permanent magnet (5) is arranged on the side wall of the sealed cavity (2); a box body (6) is arranged on one side, away from the sealing cavity (2), of the connecting pipe (1), an induction coil is arranged inside the box body (6), and the output end of the induction coil is sequentially connected with a rectifier, a direct current voltage stabilizer, a DC/DC converter, a rechargeable battery and a battery management module; the battery management module is characterized in that a controller and a wireless transmission module are further arranged in the box body (6), the controller is electrically connected with the battery management module and the wireless transmission module respectively, the controller calculates water consumption according to the charging amount of the rechargeable battery, and the water consumption data are periodically uploaded to a monitoring background through the wireless transmission module.
2. The self-generating intelligent remote water meter according to claim 1, wherein the top end of the impeller is positioned in the connecting pipe (1), the impeller comprises a rotating shaft (7) and a plurality of blades (8) uniformly arranged along the circumferential direction of the outer wall of the rotating shaft (7), two ends of the rotating shaft (7) are installed on two opposite side walls of the sealed cavity (2) through sealed bearings (10), and the axis of the rotating shaft (7) is perpendicular to the different surfaces of the axis of the connecting pipe (1); an excitation coil (9) is embedded in the blade (8), and the excitation coils (9) in the blade (8) are connected in series to form a closed coil.
3. The self-generating intelligent remote water meter according to claim 2, wherein the exciting coil (9) is a bow-shaped coil arranged in an array.
4. The self-generating intelligent remote water meter as claimed in claim 2, wherein the blades (8) and the rotating shaft (7) are made of insulating materials.
5. The self-generating intelligent remote water meter according to claim 2, wherein the outer surface of the exciting coil (9) is coated with an insulating layer.
6. The self-generating intelligent remote water meter according to claim 1, wherein the side wall of the sealed cavity (2) is a double-layer hollow structure, and the permanent magnet (5) is installed inside the double-layer hollow structure.
7. The self-generating intelligent remote water meter according to claim 2, wherein the radial cross section of the seal cavity (2) is circular arc, the axis of the rotating shaft (7) is coincident with the axis of the circular arc, the outer diameter of the impeller is matched with the inner diameter of the circular arc, and the distance from the bottom end of the inner side of the seal cavity (2) to the top end of the inner side of the connecting pipe (1) is matched with the outer diameter of the impeller.
8. The self-generating intelligent remote water meter according to claim 1, wherein a display screen is further arranged on the top surface of the box body (6), and the display screen is electrically connected with the controller and used for displaying real-time water consumption data.
9. The self-generating intelligent remote water meter according to claim 2, wherein one end of the rotating shaft (7) is provided with a rotation speed sensor, and the rotation speed sensor is electrically connected with the controller and the rechargeable battery; and the controller checks the water consumption data according to the impeller rotating speed data monitored by the rotating speed sensor.
10. The self-generating intelligent remote water meter according to claim 9, wherein the checking method of the water consumption data comprises the following steps: calculating the water consumption according to the impeller rotating speed data to obtain L1, calculating the water consumption according to the charging amount to obtain L2, and taking the average value of L1 and L2 as the actual water consumption when the difference value of L1 and L2 is smaller than the minimum value of a preset range; and when the difference value between the L1 and the L2 is larger than the maximum value of the preset range, uploading the rotating speed-time sequence data and the charging amount-time sequence data of the impeller in the current monitoring period to a monitoring background for manual checking by monitoring personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211721056.7A CN115931064A (en) | 2022-12-30 | 2022-12-30 | Self-generating intelligent remote water meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211721056.7A CN115931064A (en) | 2022-12-30 | 2022-12-30 | Self-generating intelligent remote water meter |
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| CN115931064A true CN115931064A (en) | 2023-04-07 |
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| CN202211721056.7A Pending CN115931064A (en) | 2022-12-30 | 2022-12-30 | Self-generating intelligent remote water meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297147A (en) * | 2023-05-15 | 2023-06-23 | 深圳大学 | Rubber aging test device and test method based on different environments |
-
2022
- 2022-12-30 CN CN202211721056.7A patent/CN115931064A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297147A (en) * | 2023-05-15 | 2023-06-23 | 深圳大学 | Rubber aging test device and test method based on different environments |
| CN116297147B (en) * | 2023-05-15 | 2023-08-01 | 深圳大学 | Rubber aging test device and test method based on different environments |
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