CN215374098U - Detachable pulse NB water meter - Google Patents
Detachable pulse NB water meter Download PDFInfo
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- CN215374098U CN215374098U CN202121281852.4U CN202121281852U CN215374098U CN 215374098 U CN215374098 U CN 215374098U CN 202121281852 U CN202121281852 U CN 202121281852U CN 215374098 U CN215374098 U CN 215374098U
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Abstract
The utility model discloses a detachable pulse NB water meter, wherein a connecting block protruding downwards is arranged on the left side of a lower shell, a cavity is arranged in the connecting block, a transmitter and a receiver are fixedly arranged in the cavity in the connecting block, the transmitter and the receiver are arranged in a matched manner, a circuit bin is arranged in the lower shell, an inner shell is matched with the circuit bin and is installed on the circuit bin through a buckle, a circuit board assembly is fixedly arranged in the circuit bin, an antenna is arranged on the circuit board assembly, an antenna bin protruding upwards is arranged on the inner shell, and the antenna is arranged in the antenna bin.
Description
Technical Field
The utility model relates to the technical field of instruments and meters, in particular to a detachable pulse NB water meter.
Background
The NB-IoT remote water meter is a long-distance communication water meter, most of optical transmission media of a photoelectric conversion system of the existing intelligent water meter adopt rigid or soft transparent sealant, the transparent sealant is aged and deformed along with the change of temperature and the shrinkage characteristic of the rigid or soft sealant, secondary refraction of a light path is generated, and reading of the water meter is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the prior art is not enough, and provides a detachable pulse NB water meter so as to solve at least one of the technical problems.
The technical scheme for solving the technical problems is as follows: a detachable pulse NB water meter comprises a base meter body and a split meter shell, wherein the split meter shell comprises an upper shell, a lower shell and an inner shell, a connecting block protruding downwards is arranged on the left side of the lower shell, a cavity is formed in the connecting block, a transmitter and a receiver are fixedly arranged in the cavity in the connecting block, the transmitter and the receiver are arranged in a matched mode, a circuit bin is arranged in the lower shell, the inner shell is matched with the circuit bin and is installed on the circuit bin through a buckle, a circuit board assembly is fixedly arranged in the circuit bin, an antenna is arranged on the circuit board assembly, an antenna bin protruding upwards is arranged on the inner shell, and the antenna is arranged in the antenna bin;
the base meter comprises a base meter body, a base meter dial plate and a cover plate, wherein the base meter body is provided with a connecting seat, the bottom of the connecting seat is provided with the base meter dial plate, the base meter dial plate is provided with a meter pointer and a character wheel, the character wheel is provided with a reflecting device, the character wheel is in transmission connection with an impeller, the upper part of the connecting seat is provided with the cover plate, the cover plate is provided with a groove matched with the connecting block, and the bottom of the groove is provided with a through hole;
the connecting block is hermetically installed in the groove in a matched mode through the sealing ring, the reflecting device is matched with the transmitter and the receiver and correspondingly arranged, and the receiver, the transmitter, the antenna and the battery holder are electrically connected with the circuit board assembly.
Preferably, a circle of glue groove is formed in the outer side of the circuit bin, and the glue groove is sealed by pouring sealant.
Preferably, the battery compartment is a tubular structure with one closed end, a battery seat is fixedly installed in the battery compartment, and the battery seat is in clearance fit with the battery compartment.
Preferably, the battery seat is hermetically installed in the battery compartment through a gasket.
Preferably, the cover plate is made of transparent materials.
Preferably, be provided with liquid crystal display on the circuit board subassembly and be connected with the circuit board subassembly electricity, correspond with liquid crystal display on the inner shell and be provided with the transparent window, it is provided with the transparent window with liquid crystal display corresponds to go up the casing.
Preferably, the lower shell is provided with a plurality of bolt seats, the connecting seat is provided with a plurality of bolt holes corresponding to the bolt seats, and the split watchcase is fixedly installed on the connecting seat through bolt connection.
Preferably, the connecting seat is provided with a meter cover through a hinge connection.
The utility model has the beneficial effects that:
the utility model has the advantages that the connecting block and the groove on the cover plate are arranged, the sealing is realized through the sealing ring, no medium such as sealing glue is arranged in the middle, the optical transmission effect is good, the transmission is stable, the service life is long, the reading of the water meter is accurate, the meter module part and the base meter part can be directly disassembled by adopting a split design during maintenance, the maintenance is convenient, the circuit board is sealed by additionally arranging the inner shell to achieve the waterproof effect, the problems that the circuit board cannot be disassembled due to direct glue injection on the circuit board and the like are solved, the structure is simple, the disassembly and the maintenance are convenient, the optical transmission effect is good, the transmission is stable, the service life is long, and the practicability is good.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
a lower case 11; an upper case 12; an inner housing 13; a circuit bin 14; a battery compartment 15; a connecting block 16; a transmitter 17; a receiver 18; a circuit board assembly 19; an antenna 191; a basal surface body 21; a connecting seat 22; a base watch dial 23; a cover plate 24; an impeller 25; a print wheel 26; a reflection device 27; a seal ring 28; a base watch cover 29.
Detailed Description
The utility model will now be further illustrated by reference to specific examples, which are intended to be illustrative only and not to limit the scope of the utility model. Further, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents may fall within the scope of the utility model as defined in the appended claims.
Referring to fig. 1, the utility model is a schematic structural diagram, which comprises a base meter body 21 and a split meter case, wherein the split meter case comprises an upper case 12, a lower case 11 and an inner case, a downwardly convex connecting block 16 is arranged at the left side of the lower case 11, a cavity is arranged in the connecting block 16, a transmitter 17 and a receiver 18 are fixedly arranged in the cavity in the connecting block 16, the transmitter 17 and the receiver 18 are arranged in a matching manner, a circuit bin 14 is arranged in the lower case 11, the inner case is matched with the circuit bin 14 and is installed on the circuit bin 14 through a buckle, a circuit board assembly 19 is fixedly arranged in the circuit bin 14, an antenna 191 is arranged on the circuit board assembly 19, an upwardly convex antenna bin is arranged on the inner case, and the antenna 191 is arranged in the antenna bin;
be provided with connecting seat 22 on the base table body 21, connecting seat 22 bottom is provided with base table dial plate 23, be provided with the gauge needle on the base table dial plate 23, character wheel 26, be provided with reflect meter 27 on the character wheel 26, character wheel 26 transmission is connected with impeller 25, connecting seat 22 upper portion is provided with apron 24, be provided with on the apron 24 with connecting block 16 complex recess and recess bottom be provided with the through-hole, connecting block 16 passes through sealing washer 28 cooperation seal installation in the recess, reflect meter 27 all with transmitter 17, the cooperation of receiver 18 corresponds the setting, receiver 18, transmitter 17, antenna 191, the battery tray all is connected with circuit board subassembly 19 electricity.
A circle of glue groove is arranged on the outer side of the circuit bin 14, the glue groove is sealed by filling sealant, the glue groove is matched with the inner shell 13, the sealing effect is good, the battery bin 15 is of a tubular structure with one closed end, a battery seat is fixedly arranged in the battery bin 15, the battery seat is in clearance fit with the battery bin 15, the battery seat is hermetically arranged in the battery bin 15 through a sealing gasket, a cover plate 24 is made of transparent material, the data on the base meter dial 23 can be conveniently read by a user, a liquid crystal display screen is arranged on the circuit board assembly 19 and is electrically connected with the circuit board assembly 19, a transparent window is correspondingly arranged on the inner shell and corresponds to the liquid crystal display screen, a transparent window is correspondingly arranged on the upper shell 12 and the liquid crystal display screen, the data on the liquid crystal display screen can be conveniently read by the user, a plurality of bolt seats are arranged on the lower shell 11, a plurality of bolt holes are arranged on the connecting seat 22 and correspond to the bolt seats, and the split bodies are fixedly arranged on the connecting seat 22 through bolt connections, a watch cover is arranged on the connecting seat 22 through a hinge connection.
When the utility model is used, the battery holder is taken down, the battery holder is arranged in the battery bin 15 after being placed in the battery, the utility model is connected into a water pipe, the impeller 25 rotates to drive the character wheel 26 to rotate, the character wheel 26 drives the reflecting device 27 to rotate, when the reflecting device 27 rotates to the matching position of the emitter 17, the reflecting device 27 reflects light rays emitted by the emitter 17, the reflected light rays are received by the receiver, the circuit board assembly 19 counts, when the remote water meter is in failure, the bolt used for fastening on the connecting seat 22 is detached to take down the split meter shell for maintenance or replacement, the battery of the water meter is used up, the battery holder is taken down to replace the battery, and the whole water meter does not need to be disassembled.
The utility model has the advantages that the grooves on the connecting block 16 and the cover plate 24 are arranged and sealed by the sealing ring 28, no medium such as sealant exists in the middle, the optical transmission effect is good, the transmission is stable, the service life is long, the reading of the water meter is accurate, the meter module part and the base meter part can be directly disassembled by adopting a split design during maintenance, the maintenance is convenient, the circuit board is sealed by additionally arranging the inner shell to achieve the waterproof effect, and the problems that the circuit board cannot be disassembled due to direct glue injection on the circuit board and the like are solved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A but split pulse NB water gauge which characterized in that: the split watch case comprises a base watch body and a split watch case, wherein the split watch case comprises an upper case, a lower case and an inner case, a connecting block protruding downwards is arranged on the left side of the lower case, a cavity is arranged in the connecting block, a transmitter and a receiver are fixedly arranged in the cavity in the connecting block, the transmitter and the receiver are arranged in a matched mode, a circuit bin is arranged in the lower case, the inner case is matched with the circuit bin and is installed on the circuit bin through a buckle, a circuit board assembly is fixedly arranged in the circuit bin, an antenna is arranged on the circuit board assembly, an antenna bin protruding upwards is arranged on the inner case, and the antenna is arranged in the antenna bin;
the base meter comprises a base meter body, a base meter dial plate and a cover plate, wherein the base meter body is provided with a connecting seat, the bottom of the connecting seat is provided with the base meter dial plate, the base meter dial plate is provided with a meter pointer and a character wheel, the character wheel is provided with a reflecting device, the character wheel is in transmission connection with an impeller, the upper part of the connecting seat is provided with the cover plate, the cover plate is provided with a groove matched with the connecting block, and the bottom of the groove is provided with a through hole;
the connecting block is hermetically installed in the groove in a matched mode through the sealing ring, the reflecting device is matched with the transmitter and the receiver and correspondingly arranged, and the receiver, the transmitter, the antenna and the battery holder are electrically connected with the circuit board assembly.
2. A detachable pulse NB water meter as claimed in claim 1, wherein: the outer side of the circuit bin is provided with a circle of glue groove, and the glue groove is sealed by pouring sealant.
3. A detachable pulse NB water meter as claimed in claim 1, wherein: the battery seat is hermetically arranged in the battery bin through a sealing gasket.
4. A detachable pulse NB water meter as claimed in claim 1, wherein: the cover plate is made of transparent materials.
5. A detachable pulse NB water meter as claimed in claim 1, wherein: the liquid crystal display screen is arranged on the circuit board assembly and is electrically connected with the circuit board assembly, a transparent window is correspondingly arranged on the inner shell and corresponds to the liquid crystal display screen, and a transparent window is correspondingly arranged on the upper shell and corresponds to the liquid crystal display screen.
6. A detachable pulse NB water meter as claimed in claim 1, wherein: the lower shell is provided with a plurality of bolt seats, the connecting seat is provided with a plurality of bolt holes, the bolt holes correspond to the bolt seats, and the split watchcase is fixedly installed on the connecting seat through bolt connection.
7. A detachable pulse NB water meter as claimed in claim 1, wherein: the connecting seat is provided with a meter cover through a hinge connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121281852.4U CN215374098U (en) | 2021-06-09 | 2021-06-09 | Detachable pulse NB water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121281852.4U CN215374098U (en) | 2021-06-09 | 2021-06-09 | Detachable pulse NB water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215374098U true CN215374098U (en) | 2021-12-31 |
Family
ID=79634019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121281852.4U Active CN215374098U (en) | 2021-06-09 | 2021-06-09 | Detachable pulse NB water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215374098U (en) |
-
2021
- 2021-06-09 CN CN202121281852.4U patent/CN215374098U/en active Active
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