CN112304379A - Universal meter shell for remote water meter and remote water meter - Google Patents
Universal meter shell for remote water meter and remote water meter Download PDFInfo
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- CN112304379A CN112304379A CN202011245301.2A CN202011245301A CN112304379A CN 112304379 A CN112304379 A CN 112304379A CN 202011245301 A CN202011245301 A CN 202011245301A CN 112304379 A CN112304379 A CN 112304379A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 210000003205 muscle Anatomy 0.000 claims abstract description 15
- 230000011664 signaling Effects 0.000 claims description 61
- 238000005070 sampling Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention provides a universal meter shell of a remote water meter and the remote water meter, wherein the universal meter shell of the remote water meter comprises a base meter shell, a meter outer cover and a positioning clamp, and the base meter shell comprises a base meter shell body and a meter cover; the outer side wall of the watch outer cover is provided with an outer convex part, the outer convex part is provided with a through hole, and the watch outer cover is also provided with a connecting part for the sliding connection of the remote transmission module; the table dustcoat cover is established the table cover is peripheral, the table dustcoat lateral wall is close to basic table shell body end and is equipped with spacing portion, be equipped with the lead sealing muscle on the basic table shell body lateral wall, the location presss from both sides one end and can dismantle with the table dustcoat and be connected, and the other end is connected with the lead sealing muscle. The universal meter shell of the remote water meter is provided with the limiting part on the outer side of the meter cover, so that the meter cover is positioned in the vertical direction, the circumferential positioning is realized through the positioning clamp and the lead sealing rib, the universal meter shell can be realized without the improvement of a machine core, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to a universal meter shell of a remote water meter and the remote water meter.
Background
The valveless remote water meter on the market is mostly composed of a base meter, an electronic part, a plastic structural part and other accessory parts. The basic meter is divided into photoelectric, pulse and non-magnetic transmission modes. The modular design of water meters is becoming more and more intense in the market, and the modular development of water meters is a market trend. In the existing valveless modular remote water meter, the modularization can only consider one type of base meter signaling mode, and the universal base meter compatible with various signaling types cannot be used. For example, the modularized structure of a valveless non-magnetic remote water meter cannot be applied to a valveless photoelectric remote water meter and a valveless pulse remote water meter.
Traditionally, chinese patent (CN201720305539.7) discloses a modular intelligent water meter, which comprises a valve-controlled meter case assembly, a module assembly and an electric actuator assembly, wherein the module assembly is detachably connected to the electric actuator assembly, and the electric actuator assembly is detachably connected to the valve-controlled meter case assembly. This patent is with valve accuse watchcase subassembly, module subassembly and the electric actuator subassembly modularization respectively of water gauge, all adopts detachable structure between each module for the connection installation and the dismantlement between each module are convenient, simplify workman's installation and dismantlement work. However, the patent only discloses that the components are conveniently connected, installed and detached through modularization, and the water meter is universal to a certain extent, but the water meter is not universal for different signaling modes, so that the phenomena of increased mould cost, increased material quantity, increased stock types and the like are caused, and the total cost of the water meter is increased.
Therefore, a universal meter case for a remote water meter is urgently needed, different signaling modes can be considered, and materials and production cost are effectively reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a universal meter shell of a remote water meter and the remote water meter, which can form universality on base meters with different signaling modes while realizing modularization, thereby effectively reducing the material and production cost.
In order to achieve the aim, the invention provides a universal meter case of a remote water meter, which comprises a base meter case, a meter outer cover and a positioning clamp, wherein the base meter case comprises a base meter case body and a meter cover used for connecting the meter outer cover; the outer side wall of the watch outer cover is provided with an outer convex part, the outer convex part is provided with a through hole for a signal transmission carrier to pass through, and the watch outer cover is also provided with a connecting part for the remote transmission module to be connected in a sliding manner; the watch cover is covered on the periphery of the watch cover, and the outer side wall of the watch cover is provided with a limiting part close to the end of the base watch case body and used for positioning the watch cover and the watch cover in the vertical direction; be equipped with the lead sealing muscle on the basic meter shell body lateral wall, positioning clamp one end can be dismantled with the table dustcoat and be connected, and the other end is connected with the lead sealing muscle for table dustcoat and basic meter shell are at the location of circumference.
As a further improvement of the above scheme, the universal meter case for the remote water meter further comprises a meter cover, and the meter cover is hinged with the top of the meter outer cover and is used for covering the meter outer cover.
As a further improvement of the scheme, the watch outer cover is a shell with a cavity, and a wire fixing mechanism for fixing and arranging the connection cable of the signaling sensor is arranged on the inner wall of the watch outer cover.
As a further improvement of the scheme, the wire fixing mechanism comprises a wire fixing groove arranged on the inner wall of the watch outer cover and a wire fixing sheet embedded in the wire fixing groove and used for clamping the cable.
As a further improvement of the scheme, the connecting part is at least one vertical rib along the height direction of the watch case, and the vertical rib is arranged on the outer side wall of the watch case.
As a further improvement of the scheme, the limiting part is a convex ring or at least two limiting tables which are discontinuously and uniformly distributed on the same circle.
As a further improvement of the above scheme, the positioning clamp comprises a transverse connecting plate and a vertical connecting plate, the transverse connecting plate and the vertical connecting plate are sequentially connected to form a T shape, the transverse connecting plate is provided with a threaded hole, and correspondingly, the meter cover is provided with a through hole matched with the threaded hole of the transverse connecting plate; and the vertical connecting plate is provided with a through hole connected with a lead sealing hole of the lead sealing rib.
As a further improvement of the scheme, the number of the vertical connecting plates is two, one ends of the two vertical connecting plates are arranged on the bottom surface of the transverse connecting plate at intervals in parallel, and a space between the two vertical connecting plates forms a groove for accommodating a lead sealing rib.
As a further improvement of the above scheme, the watch cover and the watch cover are detachably covered, and specifically, the watch cover and the watch cover through hole are buckled or are detachably covered by a threaded structure.
The invention also provides a remote water meter, which comprises the universal meter shell of the remote water meter, and further comprises:
the movement is arranged inside the base meter shell body;
the signaling sensor is connected with the metering mechanism of the machine core;
the PCB module is used for analyzing the collected signals of the signaling sensor;
the sampling module is arranged at the top of the watch outer cover;
the remote transmission module is used for transmitting the acquired data to the user side;
when the signaling sensor is a non-magnetic sensor, a non-magnetic signaling pointer of the non-magnetic sensor is in wireless communication connection with the sampling module, and a cable of the non-magnetic signaling pointer is connected with the remote transmission module;
when the signaling sensor is a photoelectric signaling sensor or a pulse signaling sensor, a signal cable of the signaling sensor is connected with the PCB module and is connected with the remote transmission module.
As a further improvement of the above scheme, when the signaling sensor is a photoelectric signaling sensor or a pulse signaling sensor, the signal cable of the signaling sensor is connected with the remote transmission module through the wire fixing mechanism.
As a further improvement of the scheme, the PCB module comprises a PCB and a cable pin, the PCB module is arranged on the outer wall of the watch cover, and the cable pin is inserted into the through hole of the outer convex part of the watch cover.
As a further improvement of the above scheme, the remote transmission module is provided with a universal interface corresponding to the cable pin.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention provides a universal meter shell of a remote water meter, which comprises a base meter shell, a meter outer cover and a positioning clamp, wherein the base meter shell comprises a base meter shell body and a meter cover used for connecting the meter outer cover; the outer side wall of the watch outer cover is provided with an outer convex part, the outer convex part is provided with a through hole for a signal transmission carrier to pass through, and the watch outer cover is also provided with a connecting part for the remote transmission module to be connected in a sliding manner; the watch cover is covered on the periphery of the watch cover, and the outer side wall of the watch cover is provided with a limiting part close to the end of the base watch case body and used for positioning the watch cover and the watch cover in the vertical direction; be equipped with the lead sealing muscle on the basic meter shell body lateral wall, positioning clamp one end can be dismantled with the table dustcoat and be connected, and the other end is connected with the lead sealing muscle for table dustcoat and basic meter shell are at the location of circumference. The universal meter shell of the remote water meter is provided with the limiting part on the outer side of the meter cover, so that the meter cover is positioned in the vertical direction, and then the positioning clamp and the lead sealing rib are used for realizing circumferential positioning, the universal meter shell can be universal without the improvement of a machine core, the manufacturing cost is reduced, compared with the traditional universal meter shell which realizes different signaling modes by customizing the machine core, the universal meter shell does not need to customize and change the machine core, and the metering precision is guaranteed while the universal meter shell is universal.
2. The invention provides a remote water meter, which comprises a universal meter shell of the remote water meter, a valveless non-magnetic machine core or a photoelectric signaling machine core or a pulse signaling machine core, and realizes the universal use of the meter shell aiming at three different signaling modes, wherein the outer side wall of a meter outer cover is provided with an outer convex part, and a via hole for a signaling signal carrier to pass through is arranged on the outer convex part, so that a cable contact pin on a PCB module for analyzing the different signaling modes can be connected with a remote transmission module through the via hole, and the universal use of different signaling modes is realized; the cable fixing mechanism on the inner side of the meter outer cover enables the cable of the signaling sensor to be well fixed and arranged, and the cable of the water meter is attractive in wiring.
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 perspective view of a universal housing of a remote water meter according to the present invention;
FIG. 2 is a schematic partially cross-sectional perspective view of a base watch case of the present invention;
fig. 3 is a schematic perspective view of a remote water meter of the present invention;
fig. 4 is a schematic perspective cross-sectional view of a remote water meter of the present invention;
fig. 5 is a schematic perspective view of a remote water meter using a universal communication method of a fixing ring according to the present invention;
fig. 6 is a partial perspective view of a remote water meter using a universal communication method of a fixing ring according to the present invention;
reference numerals:
1. universal meter shell of remote water meter;
11. a base meter housing; 111. a base watch case body; 112. a watch cover; 113. a limiting part; 114. sealing a rib with lead;
12. a watch case; 121. an outer convex portion; 122. a via hole; 123. a connecting portion;
13. positioning clips; 14. a watch cover; 15. a wire fixing structure;
2. a movement; 3. a signaling sensor; 4. a PCB board module; 5. a sampling module; 6. and a remote transmission module.
11a, a base table module; 11a1, positioning groove; 12a, a movement; 13a, a fixing ring; 14a, a watch case module; 15a, a wireless module; 16a, a watch cover; 17a, a watch cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
The invention is further described below with reference to the following figures and specific embodiments:
example 1:
referring to fig. 1-2, the invention provides a universal meter case of a remote water meter, comprising a base meter case 11, a meter cover 12 and a positioning clamp 13, wherein the base meter case 11 comprises a base meter case body 111 and a meter cover 112 used for connecting the meter cover 12; the outer side wall of the watch case 12 is provided with an outer convex part 121, the outer convex part 121 is provided with a through hole 122 for a signal transmission carrier to pass through, and the watch case 12 is further provided with a connecting part 123 for the remote transmission module 6 to be connected in a sliding manner; the watch cover 12 is covered on the periphery of the watch cover 112, and the outer side wall of the watch cover 112 is provided with a limiting part 113 near the end of the base watch case body 111 for positioning the watch cover 12 and the watch cover 112 in the vertical direction; be equipped with lead sealing muscle 114 on the basic table shell body 111 lateral wall, positioning clamp 13 one end can be dismantled with table dustcoat 12 and be connected, and the other end is connected with lead sealing muscle 114 for table dustcoat 12 and basic table shell 11 are at the location of circumference. The universal meter case for the remote water meter is characterized in that the limiting part 113 is arranged on the outer side of the meter cover 112, the meter cover 12 is positioned in the vertical direction, the positioning clamp 13 and the lead sealing rib 114 are used for realizing circumferential positioning, the universal meter case can be used universally without the improvement of the machine core 2, the manufacturing cost is reduced, compared with the traditional universal meter case which realizes different signaling modes by customizing the machine core 2, the universal meter case for the remote water meter does not need to customize and change the machine core 2, and the metering precision is guaranteed while the universal meter case is used universally.
In a preferred embodiment, the universal case of the remote water meter further comprises a cover 14, and the cover 14 is hinged with the top of the case 12 and is used for covering the case 12.
In a preferred embodiment, the transmission sensor 3 is disposed in the base watch case body 111 for obtaining the measurement information of the measurement mechanism, and the cable is naturally not limited, so that in order to avoid the disturbance of the cable to affect the appearance and generate signal interference, the watch case 12 is a housing having a cavity, and a wire fixing mechanism for fixing and arranging the connection cable of the transmission sensor 3 is disposed on the inner wall of the watch case 12.
As a preferred embodiment, the wire fixing mechanism includes a wire fixing groove arranged on the inner wall of the watch case 12 and a wire fixing piece embedded in the wire fixing groove for clamping the cable.
As a preferred embodiment, the connecting portion 123 is at least one vertical rib along the height direction of the watch case 12, and the vertical rib is provided on the outer side wall of the watch case 12. In this embodiment, be provided with two vertical muscle, the interval sets up on table dustcoat 12 lateral wall, correspondingly, be provided with on the shell of teletransmission module 6 with two vertical muscle complex vertical grooves, the sliding fit of vertical muscle and vertical groove, the installation and the location of teletransmission module 6 of being convenient for on the one hand, on the other hand only need make the shell of teletransmission module 6 with table dustcoat 12 general connection the casing alright realize that the shell of teletransmission module 6 of different signaling modes is general.
In a preferred embodiment, the limiting portion 113 is a convex ring or at least two limiting platforms which are intermittently and uniformly distributed and are on the same circle. In this embodiment, the position-limiting portion 113 is a convex ring, and the convex ring is integrally formed with the watch case 112,
as a preferred embodiment, the positioning clamp 13 includes a transverse connecting plate and a vertical connecting plate, the transverse connecting plate and the vertical connecting plate are sequentially connected to form a T shape, the transverse connecting plate is provided with a threaded hole, and correspondingly, the watch case 12 is provided with a through hole matched with the threaded hole of the transverse connecting plate; the vertical connecting plate is provided with a through hole connected with the lead sealing hole of the lead sealing rib 114. In this embodiment, the vertical connecting plates are two, and the one end interval parallel arrangement of two vertical connecting plates is in the bottom surface of transverse connection board, and the space between two vertical connecting plates constitutes the groove that holds lead sealing muscle 114, the groove card is established in lead sealing muscle 114 both sides, and the screw is closed the lead sealing hole and is set up the through-hole realization circumferential location on vertical connecting plate.
As a preferred embodiment, the watch case 12 and the watch case 112 are detachably covered, and specifically, the watch case 12 and the watch case 112 are detachably covered by a through hole buckle or a threaded structure.
Example 2:
referring to fig. 3 and 4, the present invention further provides a remote water meter, including the universal meter case for remote water meters, further including:
a movement 2 disposed inside the base watch case body 111;
the transmitting sensor 3 is connected with the metering mechanism of the machine core 2;
the PCB module 4 is used for analyzing the collected signals of the signaling sensor 3;
the sampling module 5 is arranged at the top of the watch housing 12;
the remote transmission module 6 is used for transmitting the collected data to the user side;
when the signaling sensor 3 is a non-magnetic sensor, a non-magnetic signaling pointer of the non-magnetic sensor is in wireless communication connection with the sampling module 5, and a cable of the non-magnetic signaling pointer is connected with the remote transmission module 6;
when the signaling sensor 3 is the photoelectric signaling sensor 3 or the pulse signaling sensor 3, a signal cable of the signaling sensor 3 is connected with the PCB module 4 and is connected with the remote transmission module 6. By the arrangement, the watch case is suitable for the movement 2 with three different signaling modes, the types of materials are greatly reduced, and material distribution on an assembly site is reduced.
As a preferred embodiment, when the signaling sensor 3 is an optoelectronic signaling sensor 3 or a pulse signaling sensor 3, the signal cable of the signaling sensor 3 is connected to the remote transmission module 6 through a wire fixing mechanism.
As a preferred embodiment, the PCB module 4 includes a PCB board and a cable pin, the PCB board module 4 is disposed on the outer wall of the watch case 112, and the cable pin is inserted into the through hole 122 of the convex portion 121 of the watch case 12. The PCB board fuses the acquisition signal analysis circuit of the photoelectric signaling sensor 3 or the pulse signaling sensor 3, so that one PCB board module 4 realizes the universality of two signaling modes, adopts a cable pin mode additionally, is convenient to install and connect, and is easy to expand and universal.
As a preferred embodiment, the remote transmission module 6 is provided with a general interface corresponding to the cable pin.
Example 3:
referring to fig. 5 and 6, the invention further provides a remote water meter, which includes a base meter module 11a, a movement 12a, a fixing ring 13a, a meter cover 17a, a meter cover module 14a, a wireless module 15a and a meter cover 16a, wherein the movement 12a is arranged inside the base meter module 11a, the fixing ring 13a is clamped on the base meter module 11a, correspondingly, a positioning groove 11a1 matched with the fixing ring 13a is arranged on the base meter module 11a, a fixing screw hole is arranged on the fixing ring 13a, the base meter modules 11a with different signaling modes are provided, after the fixing ring 13a is additionally arranged, the meter cover module 14a is combined on the screw hole of the fixing ring through a screw, the wireless module 15a is connected with the meter cover module 14a, and the meter cover 16a is hinged with the meter cover module 14 a. With such an arrangement, in order to realize the positioning of the fixing ring 13a, the corresponding positioning groove 11a1 is arranged on the base meter module 11a, so that the base meter module 11a needs to be customized, which will increase the manufacturing cost, while the universal meter case for remote water meters in example 1 adopts the protruding ring and the positioning clip to realize the positioning in the vertical direction and the circumferential direction respectively, so that the movement does not need to be additionally customized and changed, and the manufacturing cost is reduced.
The foregoing is a detailed description of the invention, and specific examples are used herein to explain the principles and implementations of the invention, the above description being merely intended to facilitate an understanding of the principles and core concepts of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The universal meter shell of the remote water meter is characterized by comprising a base meter shell, a meter outer cover and a positioning clamp, wherein the base meter shell comprises a base meter shell body and a meter cover used for connecting the meter outer cover; the outer side wall of the watch outer cover is provided with an outer convex part, the outer convex part is provided with a through hole for a signal transmission carrier to pass through, and the watch outer cover is also provided with a connecting part for the remote transmission module to be connected in a sliding manner; the watch cover is covered on the periphery of the watch cover, and the outer side wall of the watch cover is provided with a limiting part close to the end of the base watch case body and used for positioning the watch cover and the watch cover in the vertical direction; be equipped with the lead sealing muscle on the basic meter shell body lateral wall, positioning clamp one end can be dismantled with the table dustcoat and be connected, and the other end is connected with the lead sealing muscle for table dustcoat and basic meter shell are at the location of circumference.
2. The universal meter case for remote water meters as claimed in claim 1, wherein said meter case is a case having a cavity, and a wire fixing mechanism for fixing and arranging a connection cable of the signaling sensor is provided on an inner wall of said meter case.
3. The universal meter case for remote water meters as claimed in claim 2, wherein said wire fixing mechanism comprises a wire fixing groove provided on the inner wall of the meter case and a wire fixing piece embedded in the wire fixing groove.
4. A universal meter case for remote water meters according to any one of claims 1 to 3, wherein said connecting portion is at least one vertical rib in the height direction of the meter case, and the vertical rib is provided on the outer side wall of the meter case.
5. A universal meter case for remote water meters according to any one of claims 1 to 3, wherein said limiting portion is a convex ring or at least two limiting platforms intermittently and uniformly arranged on the same circle.
6. The universal meter case of a remote water meter according to any one of claims 1 to 3, wherein the positioning clip comprises a transverse connecting plate and a vertical connecting plate, the transverse connecting plate and the vertical connecting plate are sequentially connected to form a T shape, the transverse connecting plate is provided with a threaded hole, and correspondingly, the meter cover is provided with a through hole matched with the threaded hole of the transverse connecting plate; and the vertical connecting plate is provided with a through hole connected with a lead sealing hole of the lead sealing rib.
7. A universal meter case for a remote-reading water meter as claimed in any one of claims 1 to 3, wherein said cover is removably mounted to said case.
8. A remote-water meter, comprising the universal case for a remote-water meter according to any one of claims 1 to 7, further comprising:
the movement is arranged inside the base meter shell body;
the signaling sensor is connected with the metering mechanism of the machine core;
the PCB module is used for analyzing the collected signals of the signaling sensor;
the sampling module is arranged at the top of the watch outer cover;
the remote transmission module is used for transmitting the acquired data to the user side;
when the signaling sensor is a non-magnetic sensor, a non-magnetic signaling pointer of the non-magnetic sensor is in wireless communication connection with the sampling module, and a cable of the non-magnetic signaling pointer is connected with the remote transmission module;
when the signaling sensor is a photoelectric signaling sensor or a pulse signaling sensor, a signal cable of the signaling sensor is connected with the PCB module and is connected with the remote transmission module.
9. The remote-transmission water meter according to claim 8, wherein when the signaling sensor is a photoelectric signaling sensor or a pulse signaling sensor, a signal cable of the signaling sensor is connected with the remote-transmission module through a wire fixing mechanism.
10. A remote-water-meter according to claim 8 or 9, wherein the PCB module includes a PCB and a cable pin, the PCB module is disposed on the outer wall of the meter case, and the cable pin is inserted into the through hole of the outer protrusion of the meter case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245301.2A CN112304379A (en) | 2020-11-10 | 2020-11-10 | Universal meter shell for remote water meter and remote water meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011245301.2A CN112304379A (en) | 2020-11-10 | 2020-11-10 | Universal meter shell for remote water meter and remote water meter |
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| CN112304379A true CN112304379A (en) | 2021-02-02 |
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| CN202011245301.2A Pending CN112304379A (en) | 2020-11-10 | 2020-11-10 | Universal meter shell for remote water meter and remote water meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390483A (en) * | 2021-05-25 | 2021-09-14 | 深圳市华旭科技开发有限公司 | NB-IoT (network B-IoT) Internet of things water meter with anti-dismantling structure |
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