CN219416281U - Non-magnetic large-caliber water meter based on infrared light sampling - Google Patents
Non-magnetic large-caliber water meter based on infrared light sampling Download PDFInfo
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- CN219416281U CN219416281U CN202320389927.3U CN202320389927U CN219416281U CN 219416281 U CN219416281 U CN 219416281U CN 202320389927 U CN202320389927 U CN 202320389927U CN 219416281 U CN219416281 U CN 219416281U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model discloses an infrared light sampling-based non-magnetic large-caliber water meter, which comprises a base meter, a mechanical meter core and an infrared light measuring module, wherein the mechanical meter core is fixedly arranged on the base meter, a meter cover is sleeved outside the mechanical meter core, the infrared light measuring module is rotationally and buckled on the meter cover, a measuring disc is arranged in a reading window of the mechanical meter core, the surface of the measuring disc is coated with an infrared light reflecting material, a circuit board, an infrared light receiving and transmitting assembly, a battery and an infrared light guide assembly are arranged in the infrared light measuring module, one end of the infrared light guide assembly extends out of the outer side of the bottom of the infrared light measuring module.
Description
Technical Field
The utility model belongs to the technical field of water meters, and particularly relates to an infrared light sampling-based non-magnetic large-caliber water meter.
Background
The large-caliber water meter is widely applied to water supply of cities, villages and factories and mines, and is mostly laid underground, and the water meter metering, monitoring and controlling equipment basically works underground, so that the requirements on waterproof level and meter reading sampling modes are higher. The current large-caliber water meter has various flow sampling modes, such as an ultrasonic sensor, an electromagnetic sensor and the like, and has the core of directly converting flow into an electric signal, and belongs to weak signal conversion processing technology. Because the water quality or the installation environment has great influence on weak signals, the most widely used mechanical sensor is used for carrying out electric signal conversion by an external electromechanical sensor. The existing various electromechanical sensors comprise single-reed switch sensors, double-reed switch sensors, camera shooting direct-reading sensors or Hall element sensors.
However, in the prior art, the electromechanical conversion mode of converting the flow of the large-caliber water meter into the electric signal is required to supply power continuously, the power consumption is relatively large, and when the power supply is in power failure for too long or the signal line needs to be maintained, the remote reading part stops metering and the mechanical reading operates normally. Therefore, the mechanical reading of the water meter is required to be re-read after the power supply is restored or the maintenance is finished, the base number is reset for the remote transmission part, the mechanical reading of the water meter is not completely consistent with the electronic reading, and certain errors always exist, so that accumulated errors can be generated in the operation. Therefore, how to solve the uninterrupted power supply requirement of the flow conversion of the large-caliber water meter is always a difficult problem puzzling the large-caliber water meter.
Disclosure of Invention
The utility model provides an infrared light sampling-based non-magnetic large-caliber water meter, which comprises: the system comprises a base meter, a mechanical meter core and an infrared light measuring module, wherein the mechanical meter core is used for measuring the flow of the base meter in real time, and the infrared light measuring module is used for converting the measurement number of the mechanical meter core into electronic reading through infrared light reflection at intervals and remotely transmitting the electronic reading; the infrared light measuring module is in a cut cylinder shape, and the infrared light measuring module and the dustproof cover of the meter cover are spliced into a complete cylinder which is covered on the reading window of the mechanical meter core; a measuring disc is arranged in a reading window of the mechanical meter core, and the surface of the measuring disc is coated with an infrared light reflecting material; the infrared light measuring module is internally provided with a circuit board, an infrared light receiving and transmitting assembly, a battery and an infrared light guide assembly, wherein the infrared light receiving and transmitting assembly and the battery are electrically connected to the circuit board, the infrared light receiving and transmitting assembly is used for transmitting infrared light and receiving reflected infrared light, the infrared light guide assembly is used for transmitting infrared light, one end of the infrared light guide assembly extends out of the outer side of the bottom of the infrared light measuring module, the inner end of the infrared light guide assembly is opposite to the light receiving and transmitting end of the infrared light receiving and transmitting assembly, and the outer end of the infrared light guide assembly is opposite to the measuring disc; when the flow of the large-caliber water meter is converted into an electric signal, the battery supplies power to the infrared light receiving and transmitting assembly, infrared light emitted by the infrared light receiving and transmitting assembly is transmitted to the measuring disc through the infrared light guide assembly, and as the surface of the measuring disc is coated with an infrared light reflecting material, the reflected light of the infrared light is reflected back to the infrared light receiving and transmitting assembly through the outer light guide assembly and is received to record, so that the flow of the large-caliber water meter can be converted into the electric signal, when the large-caliber water meter is in reading, a power supply is needed, when the large-caliber water meter is not in reading, the power supply is not needed, the dependence of the large-caliber water meter on uninterrupted power supply is reduced, and the accuracy of the reading of the electronic water meter is ensured.
Preferably, the connection mode of the infrared light measurement module rotary buckle connection meter cover is as follows: at least two hooks extending out of the bottom surface are arranged at the bottom of the infrared light measuring module, a spiral ascending annular fan-shaped clamping table is arranged at the corresponding position of the side surface of the watch cover, and the hooks are buckled at the bottom of the clamping table when the infrared light measuring module rotates; the infrared light measurement module is more convenient and quick to assemble and disassemble due to the mode of the rotary buckle.
More preferably, the bottom of block is equipped with downward convex location non return separation blade, and the location non return separation blade is used for blocking the tip of couple, and location non return separation blade makes infrared light measurement module can guarantee accurate rotatory buckle position, and then can form a cylindric upper cover lid with the shield cooperation and close on the table cover, can guarantee simultaneously that rotatory buckle is unlikely to be too tight damage junction or too loose connection compactly.
Preferably, the infrared light measurement module is divided into an upper shell and a lower shell, the circuit board, the infrared light receiving and transmitting assembly, the battery and the infrared light guide assembly are fixed in the upper shell and the lower shell after the upper shell and the lower shell are buckled, a light guide hole is formed in the lower shell, the infrared light guide assembly extends out of the infrared light measurement module from the light guide hole, and the upper shell and the lower shell are buckled through a screw from bottom to top in a bolt connection manner.
More preferably, a sealing ring is arranged on the inner side of the lower shell, and a dust-proof ring is arranged on the outer side of the lower shell; the sealing ring and the dustproof ring are beneficial to effectively sealing the lower shell in a dustproof and waterproof way.
More preferably, be equipped with solitary battery plug embedment storehouse in the inferior valve, battery plug embedment storehouse is used for placing the connector of battery, and battery plug embedment storehouse and leaded light hole keep apart each other, and battery plug embedment storehouse and leaded light hole are respectively singly provided with respectively and help secondary waterproof seal, improve the interior sealed grade of table, even in moisture gets into the inferior valve from the leaded light hole, also can not directly influence waterproof sealing performance in the battery plug embedment storehouse, guaranteed the stability and the reliability of battery plug.
More preferably, the infrared light measuring module is filled and packaged with waterproof glue after assembly is completed.
Preferably, the meter cover is detachably connected with the bottom of the mechanical meter core from top to bottom through bolts.
Preferably, the watch case comprises a cylindrical watch case and a round table-shaped watch case; the cylindrical meter cover and the round table-shaped meter cover are respectively suitable for the meter cover and the meter cover so as to enhance the adaptability of the infrared light measurement module.
The beneficial effects of the utility model are as follows:
1. the infrared light emitted by the infrared light receiving and emitting component is reflected by the infrared light reflecting material coated on the surface of the measuring disc and then is transmitted to the infrared light receiving and emitting component, so that the flow of the large-caliber water meter can be converted into an electric signal, the infrared light receiving and emitting component needs a power supply when in reading, and does not need the power supply when not in reading, thereby reducing the dependence of the large-caliber water meter on uninterrupted power supply, ensuring the accuracy of reading of the electronic water meter, and further solving the problem that uninterrupted power supply is required when the flow of the large-caliber water meter is converted.
2. The infrared light measuring module part is connected to the meter cover in a rotary buckle mode, has the advantage of convenience in disassembly and assembly, and meanwhile, the mechanical character wheel and the electronic counting double metering are realized, and the normal metering of the mechanical part is not affected when the electronic part is damaged or fails.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments of the present utility model or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an nonmagnetic large caliber water meter based on infrared light sampling;
FIG. 2 is an exploded view of a blast;
FIG. 3 is a perspective view of an infrared light measurement module;
FIG. 4 is an exploded view of an infrared light measurement module;
FIG. 5 is a front cross-sectional view of an infrared light measurement module;
fig. 6 is a perspective view of the lower case;
FIG. 7 is a perspective view of a cylindrical watch case;
fig. 8 is a perspective view of the circular table-shaped cover.
In the figure, 1, a base table; 2. a mechanical meter core; 3. an infrared light measurement module; 4. a watch case; 5. a dust cover; 6. a measuring disc; 7. a circuit board; 8. an infrared light receiving and transmitting component; 9. a battery; 10. an infrared light guide assembly; 11. a hook; 12. a clamping table; 13. positioning a non-return baffle; 14. an upper case; 15. a lower case; 16. a light guide hole; 17. a screw; 18. a seal ring; 19. a dust ring; 20. a battery plug potting bin; 21. and (5) a bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
As shown in fig. 1-8, the present utility model provides a non-magnetic large caliber water meter based on infrared light sampling, comprising: the meter comprises a base meter 1, a mechanical meter core 2 and an infrared light measuring module 3, wherein the mechanical meter core 2 is used for measuring the flow of the base meter 1 in real time, and the infrared light measuring module 3 is used for converting the measurement number of the mechanical meter core 2 into an electronic reading through infrared light reflection at intervals and remotely transmitting the electronic reading; the mechanical meter core 2 is fixedly arranged on the base meter 1, the meter cover 4 is sleeved outside the mechanical meter core 2, the infrared light measuring module 3 is connected to the meter cover 4 in a rotary buckle mode, the infrared light measuring module 3 is in a cut-round column shape, and the infrared light measuring module 3 and the dust cover 5 of the meter cover 4 are spliced into a complete cylinder buckle cover on a reading window of the mechanical meter core 2; a measuring disc 6 is arranged in a reading window of the mechanical meter core 2, and the surface of the measuring disc 6 is coated with an infrared light reflecting material; the infrared light measuring module 3 is internally provided with a circuit board 7, an infrared light receiving and emitting component 8, a battery 9 and an infrared light guide component 10, wherein the infrared light receiving and emitting component 8 and the battery 9 are electrically connected to the circuit board 7, the infrared light receiving and emitting component 8 is used for emitting infrared light and receiving reflected infrared light, the infrared light guide component 10 is used for conducting infrared light, one end of the infrared light guide component 10 extends out of the outer side of the bottom of the infrared light measuring module 3, the inner end of the infrared light guide component 10 is opposite to the light receiving and emitting end of the infrared light receiving and emitting component 8, and the outer end of the infrared light guide component 10 is opposite to the measuring disc 6; when the flow of the large-caliber water meter is converted into an electric signal, the battery 9 supplies power to the infrared light receiving and emitting assembly 8, infrared light emitted by the infrared light receiving and emitting assembly 8 is emitted to the measuring disc 6 through the infrared light guide assembly 10, and as the surface of the measuring disc 6 is coated with an infrared light reflecting material, the reflected light of the infrared light is reflected back to the infrared light receiving and emitting assembly 8 through the outer light guide assembly 10 and is received for recording, so that the flow of the large-caliber water meter can be converted into the electric signal, when the large-caliber water meter is in reading, the power supply is not needed, when the large-caliber water meter is not in reading, the dependence of the large-caliber water meter on uninterrupted power supply is reduced, and the accuracy of the reading of the electronic water meter is ensured.
Further, the connection mode of the infrared light measurement module 3 rotating buckle connection meter cover 4 is as follows: at least two hooks 11 extending out of the bottom surface are arranged at the bottom of the infrared light measuring module 3, a spiral-rising annular fan-shaped clamping table 12 is arranged at the corresponding position of the side surface of the watch cover 4, and the hooks 11 are buckled at the bottom of the clamping table 12 when the infrared light measuring module 3 rotates; the infrared light measurement module 3 is convenient and quick to assemble and disassemble due to the mode of the rotary buckle.
Still further, the bottom of block 12 is equipped with downward convex location non return separation blade 13, and location non return separation blade 13 is used for blocking the tip of couple 11, and location non return separation blade 13 makes infrared light measurement module 3 can guarantee accurate rotatory buckle position, and then can form a cylindric upper cover lid with shield 5 to close on table cover 4, can guarantee simultaneously that rotatory buckle is unlikely to be too tight to damage junction or too loose connection compactly.
Further, the infrared light measurement module 3 is divided into an upper shell 14 and a lower shell 15, after the upper shell 14 and the lower shell 15 are buckled, the circuit board 7, the infrared light receiving and emitting assembly 8, the battery 9 and the infrared light guide assembly 10 are fixed in the lower shell 15, a light guide hole 16 is formed in the position of the lower shell 15, the infrared light guide assembly 10 extends out of the infrared light measurement module 3 from the position of the light guide hole 16, and the upper shell 14 and the lower shell 15 are buckled through a screw 17 from bottom to top in a bolt connection mode.
Furthermore, a sealing ring 18 is arranged on the inner side of the lower shell 15 of the light guide hole 16, and a dust-proof ring 19 is arranged on the outer side of the lower shell 15 of the light guide hole 16; the sealing ring 18 and the dustproof ring 19 are beneficial to effectively sealing the lower shell 15 in a dustproof and waterproof manner.
Still further, be equipped with solitary battery plug embedment storehouse 20 in the inferior valve 15, battery plug embedment storehouse 20 is used for placing the connector of battery 9, and battery plug embedment storehouse 20 keeps apart each other with light guide hole 16, and battery plug embedment storehouse 20 and light guide hole 16 are respectively alone to be provided with and help the waterproof sealing of secondary, improve the interior sealed grade of table, even moisture gets into in the inferior valve 15 from light guide hole 16, also can not directly influence the waterproof sealing performance in the battery plug embedment storehouse 20, guaranteed the stability and the reliability of battery 9 plug.
Furthermore, the infrared light measuring module 3 is filled and packaged with waterproof glue after assembly is completed.
Further, the watch case 4 is detachably connected to the bottom of the mechanical meter core 2 from top to bottom by bolts 21.
Further, the watch case 4 includes a cylindrical watch case and a circular truncated cone-shaped watch case; the cylindrical meter cover and the circular table-shaped meter cover are respectively applicable to the 50 meter cover and the 80 meter cover so as to enhance the adaptability of the infrared light measuring module 3.
Examples
In this embodiment, the core part of the non-magnetic large-caliber water meter based on infrared light sampling is the infrared light measuring module 3. The infrared light that infrared light measurement module 3 initiative sent, through infrared light guide assembly 10, shine on the measuring dish 6 on the 2 boxes of mechanical meter core, the reflection intensity of two kinds of materials that should coat on this measuring dish 6 is different to light, the change of these reflection light can be felt to the photometry component on the infrared light measurement module 3, when measuring the 6 rotation of dish, the periodic variation of these light has reflected the rotation direction and the speed of water gauge, thereby infrared light measurement module 3 accomplishes the conversion of mechanical meter core 2's mechanical to electron, this embodiment can replace completely and compatible current no scheme of magnetism water gauge.
The lower shell 15 of the infrared light measuring module 3 takes the axle center on the mechanical meter core 2 as the center of a circle, three hooks 11 with angles are utilized to hang the clamping table 12 after rotating, and the infrared light measuring module 3 is provided with a positioning check baffle 13 on the clamping table 12, so that the infrared light measuring module 3 can be ensured not to slide out of the design position; the meter cover 4 provides two specifications of cylindrical meter covers and round table-shaped meter covers for adapting to water meters with different calibers, and the two meter covers 4 use the same fastening structure.
The water meter base table 1 adopts a common large table and uses a dry type meter core, and has the advantages of convenience in disassembly and assembly, double metering of mechanical character wheels and electronic photometry, and no influence on normal metering of mechanical parts when the electronic parts are damaged and fail; the infrared light measuring module 3 is replaced by a rotary bayonet design, the installation is convenient and quick, the infrared light measuring module 3 is replaced independently and is simpler, the infrared light measuring module 3 can be detached only by opening the lead seal on the meter cover 4 and pressing the elastic baffle on the meter cover 4; the infrared light measuring module 3 can be replaced only by reverse operation.
In this embodiment, the infrared light measurement module 3 is composed of an upper shell 14, a lower shell 15, a circuit board 7, an infrared light receiving and emitting component 8, a battery 9, an infrared light guiding component 11, a sealing ring 18, a dust-proof ring 19 and the like. The infrared light measuring module 3 adopts a fully encapsulated scheme, so that the infrared light measuring module 3 has a higher protection level. Parts in the infrared light measurement module 3 are all installed and fixed in the shell, the infrared light receiving and emitting component 8 is firstly fixed on the lower shell 15, and light can be transmitted in and out according to a designed route by the infrared light guide component 11 in the infrared light receiving and emitting component 8. A smaller size seal is mounted in the annular groove between the circuit board 7 and the lower housing 15. The circuit board 7 is positioned by four mounting columns, and the sealing ring 18 is tightly attached to the circuit board 7 to prevent the glue from entering the infrared light guide assembly 11 to block the light path during the later filling and sealing. The lower shell 15 leaves an independent battery plug potting space to ensure reliable sealing of the power plug. The infrared light measuring module 3 adopts a battery 9 to supply power, the battery 9 uses a potting battery, the infrared light measuring module 3 is encapsulated and packaged by waterproof glue after the assembly test is completed, and the upper shell 14 is fixed on the lower shell 15 by self-tapping screws.
In summary, the non-magnetic large-caliber water meter based on infrared light sampling adopts the infrared light emitted by the infrared light receiving and emitting component to be reflected by the infrared light reflecting material coated on the surface of the measuring disc and then to the infrared light receiving and emitting component, so that the flow of the large-caliber water meter can be converted into an electric signal, the infrared light receiving and emitting component needs a power supply only when reading, and does not need the power supply when not reading, the dependence of the large-caliber water meter on uninterrupted power supply is reduced, the accuracy of reading of the electronic water meter is ensured, and the problem that uninterrupted power supply is required when the flow of the large-caliber water meter is converted is solved.
In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the present utility model; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. An infrared light sampling-based non-magnetic large-caliber water meter is characterized by comprising: the measuring device comprises a base meter (1), a mechanical meter core (2) and an infrared light measuring module (3), wherein the mechanical meter core (2) is used for measuring the flow of the base meter (1) in real time, and the infrared light measuring module (3) is used for converting the measurement number of the mechanical meter core (2) into electronic reading through infrared light reflection at intervals and remotely transmitting the electronic reading; the mechanical meter core (2) is fixedly arranged on the base meter (1), a meter cover (4) is sleeved outside the mechanical meter core (2), the infrared light measuring module (3) is connected to the meter cover (4) in a rotary buckle mode, the infrared light measuring module (3) is in a cutting cylinder shape, and the infrared light measuring module (3) and a dust cover (5) of the meter cover (4) are spliced to form a complete cylinder which is covered on a reading window of the mechanical meter core (2);
a measuring disc (6) is arranged in a reading window of the mechanical meter core (2), and the surface of the measuring disc (6) is coated with an infrared light reflecting material;
be equipped with circuit board (7), infrared light transceiver module (8), battery (9), infrared light guide module (10) in infrared light measurement module (3), infrared light transceiver module (8) with battery (9) all electricity is connected to circuit board (7), infrared light transceiver module (8) are used for sending infrared light and accepting the infrared light of reflection, infrared light guide module (10) are used for the conduction infrared light, the bottom outside of infrared light measurement module (3) is stretched out to one end of infrared light guide module (10), the inner of infrared light guide module (10) is just to the transceiver end of infrared light transceiver module (8), the outer end of infrared light guide module (10) is just to measuring dish (6).
2. The non-magnetic large-caliber water meter based on infrared light sampling according to claim 1, wherein the infrared light measuring module (3) is connected with the meter cover (4) by a rotary buckle in a connection mode that: the infrared light measuring module (3) bottom is equipped with two at least couples (11) and stretches out the bottom surface outside, the side of table cover (4) corresponds the department and is equipped with spiral ascending ring fan-shaped clamping table (12), couple (11) buckle when infrared light measuring module (3) rotate the bottom of clamping table (12).
3. The non-magnetic large-caliber water meter based on infrared light sampling according to claim 2, wherein a positioning check baffle (13) protruding downwards is arranged at the bottom of the clamping table (12), and the positioning check baffle (13) is used for blocking the end part of the hook (11).
4. The non-magnetic large-caliber water meter based on infrared light sampling according to claim 1, wherein the infrared light measuring module (3) is divided into an upper shell (14) and a lower shell (15), the upper shell (14) and the lower shell (15) are buckled and then are internally fixed with a circuit board (7), an infrared light receiving and transmitting assembly (8), a battery (9) and an infrared light guide assembly (10), a light guide hole (16) is formed in the lower shell (15), the infrared light guide assembly (10) extends out of the infrared light measuring module (3) from the light guide hole (16), and the upper shell (14) and the lower shell (15) are buckled through a screw (17) from bottom to top in a bolt connection mode.
5. The non-magnetic large-caliber water meter based on infrared light sampling according to claim 4, wherein the inner side of the light guide hole (16) positioned on the lower shell (15) is provided with a sealing ring (18), and the outer side of the light guide hole (16) positioned on the lower shell (15) is provided with a dust ring (19).
6. The non-magnetic large-caliber water meter based on infrared light sampling according to claim 4, wherein an independent battery plug filling and sealing bin (20) is arranged in the lower shell (15), the battery plug filling and sealing bin (20) is used for placing a plug of a battery (9), and the battery plug filling and sealing bin (20) is mutually isolated from the light guide hole (16).
7. The non-magnetic large-caliber water meter based on infrared light sampling according to claim 4, wherein the infrared light measuring module (3) is filled with waterproof glue after assembly is completed.
8. The non-magnetic large caliber water meter based on infrared light sampling according to claim 1, wherein the meter cover (4) is detachably connected with the bottom of the mechanical meter core (2) from top to bottom through bolts (21).
9. The non-magnetic large caliber water meter based on infrared light sampling as claimed in claim 1, wherein the meter cover (4) comprises a cylindrical meter cover and a round table-shaped meter cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320389927.3U CN219416281U (en) | 2023-03-06 | 2023-03-06 | Non-magnetic large-caliber water meter based on infrared light sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320389927.3U CN219416281U (en) | 2023-03-06 | 2023-03-06 | Non-magnetic large-caliber water meter based on infrared light sampling |
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| Publication Number | Publication Date |
|---|---|
| CN219416281U true CN219416281U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320389927.3U Active CN219416281U (en) | 2023-03-06 | 2023-03-06 | Non-magnetic large-caliber water meter based on infrared light sampling |
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| Country | Link |
|---|---|
| CN (1) | CN219416281U (en) |
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2023
- 2023-03-06 CN CN202320389927.3U patent/CN219416281U/en active Active
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