CN210089780U - Positive displacement NB-IOT thing networking water gauge - Google Patents
Positive displacement NB-IOT thing networking water gauge Download PDFInfo
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- CN210089780U CN210089780U CN201921182035.6U CN201921182035U CN210089780U CN 210089780 U CN210089780 U CN 210089780U CN 201921182035 U CN201921182035 U CN 201921182035U CN 210089780 U CN210089780 U CN 210089780U
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Abstract
The utility model relates to a water gauge field, in particular to positive displacement NB-IOT thing networking water gauge, including base table and communication circuit box, the base table includes upper housing and lower casing, encloses into an airtight cavity between upper housing and the lower casing, and the lower extreme of lower casing is equipped with the water inlet, and upper housing upper end is equipped with the delivery port, and the base table still includes the piston meter core that sets up in the airtight cavity and the counter subassembly that is connected with the piston meter core, and the communication circuit box includes circuit box body and circuit board subassembly; the circuit board assembly includes: the device comprises an MCU main control module, a sampling circuit module, an NB-IOT wireless transmission module, an antenna module and a power supply module. The water meter comprises a base meter and a communication circuit box, wherein a circuit board assembly in the communication circuit box is provided with an MCU master control module, a sampling circuit module, an NB-IOT wireless transmission module and an antenna module, and can be connected with a remote platform, so that intelligent wireless meter reading and intelligent large-data water consumption management of the water meter are realized, and the labor cost and the water meter maintenance cost are reduced.
Description
Technical Field
The utility model relates to a water gauge field, in particular to positive displacement NB-IOT thing networking water gauge.
Background
The water meter is a water consumption flow measuring device between a water department and a user, the basis for settlement of expenses is provided, and the water meter is forcibly installed and used by families, enterprises and public institutions and the like. The volumetric water meter has high precision, small error, low initial flow and wide measuring range ratio, is deeply favored by water departments, and plays a great role in water saving management of initial water consumption. However, the water meters need manual meter reading, are time-consuming and labor-consuming, and cannot realize remote automatic unmanned meter reading. The water gauge is maintained, and the labour cost is higher, can't realize intelligent big data water use management.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positive displacement NB-IOT thing networking water gauge, this water gauge include base table and communication circuit box, and the circuit board subassembly in the communication circuit box is equipped with MCU host system, sampling circuit module, NB-IOT wireless transmission module and antenna module, can be connected with remote platform, realizes the intelligent wireless meter reading and intelligent big data water management of water gauge, has reduced the labour cost and water gauge maintenance cost.
The utility model discloses a realize like this: the utility model provides a positive displacement NB-IOT thing networking water gauge which characterized in that: the base meter comprises a base meter and a communication circuit box fixedly arranged on the base meter, wherein the base meter comprises an upper shell and a lower shell fixedly connected with the upper shell, a closed cavity is enclosed between the upper shell and the lower shell, a water inlet communicated between the outside and the closed cavity is formed in the lower end of the lower shell, a water outlet communicated between the closed cavity and the outside is formed in the upper end of the upper shell, the base meter also comprises a piston type metering mechanism arranged in the closed cavity and a counter assembly connected with the piston type metering mechanism, and the communication circuit box comprises a circuit box body and a circuit board assembly arranged in the circuit box body;
the circuit board assembly includes:
the MCU master control module is connected with the sampling circuit module and used for receiving the water flow electric signal output by the sampling circuit module and carrying out cumulative calculation;
the sampling circuit module is respectively connected with the counter assembly and the MCU main control module and is used for receiving the counting pulse signals output by the counter assembly, then processing the counting pulse signals into electric signals of water flow and outputting the electric signals to the MCU main control module;
the NB-IOT wireless transmission module is respectively connected with the MCU main control module and the antenna module and is used for receiving the water flow information output by the MCU main control module, converting the water flow information into a transmission signal and outputting the transmission signal to the antenna module;
the antenna module is respectively connected with the NB-IOT wireless transmission module and the remote platform and is used for receiving the transmission signal output by the NB-IOT wireless transmission module and transmitting the transmission signal to the remote platform;
and the power supply module is connected with the MCU master control module and used for supplying power to the MCU master control module.
Furthermore, the circuit board assembly further comprises an SIM card module, which is connected with the MCU main control module and used for matching the ID of the user account.
Furthermore, the circuit board assembly further comprises an external storage module, which is connected with the MCU master control module and used for storing monthly timing meter reading data and running logs.
Furthermore, the circuit board assembly further comprises an infrared circuit module, wherein the infrared circuit module is connected with the MCU main control module and is used for being in communication connection with a special handset to maintain the encrypted data of the water meter in a near field.
Furthermore, the circuit board assembly further comprises an alarm module which is connected with the MCU main control module and used for realizing strong magnetic alarm, cover opening alarm, water soaking alarm, continuous small flow alarm, continuous overflowing alarm and reverse flow alarm.
In order to reduce the risk of being dismantled by the manual, be equipped with annular boss on the casing upper end periphery wall down, be equipped with the cover on the circuit box body and locate the casing and the outer peripheral cover that shields of inferior valve, the internal perisporium that shields the cover is equipped with a plurality of hooks of putting on the terminal surface under the annular boss along same circumference, the circuit box body still includes detachably and sets firmly in shielding and cover and be located the annular rand of each pothook lower extreme.
In order to reduce the risk of manual disassembly, a battery compartment body for placing a power module and a battery compartment cover in threaded connection with an opening of the battery compartment body are further arranged on the circuit box body, a special disassembly and assembly interface is arranged on the battery compartment cover and comprises a hexagonal boss and a pentagonal groove arranged in the hexagonal boss.
Compare prior art, the utility model has the advantages of it is following:
(1) the utility model provides a positive displacement NB-IOT thing networking water gauge, this water gauge include base table and communication circuit box, and the circuit board subassembly in the communication circuit box is equipped with MCU host system, sampling circuit module, NB-IOT wireless transmission module and antenna module, can be connected with remote platform, realizes intelligent wireless meter reading and intelligent big data water management, leakage loss control etc. of water gauge, has reduced the labour cost and water gauge maintenance cost;
(2) the utility model provides a positive displacement NB-IOT thing networking water gauge, electromechanical structure separation, the basic table is responsible for the measurement, and communication circuit box is responsible for wireless meter reading (NB-IOT wireless network), and built-in antenna, battery are removable, and bottom potting adhesive is handled, and whole IP68 protects;
(3) the utility model provides a positive displacement NB-IOT thing networking water gauge is equipped with individual battery compartment on the circuit box body, makes things convenient for maintenance personal to change the battery, satisfies different water department users' frequency requirement of checking meter, is equipped with special dismouting interface on the battery compartment lid, and the battery compartment lid can only be opened with special instrument, prevents artificial dismantlement destruction;
(4) the utility model provides a positive displacement NB-IOT thing networking water gauge is equipped with infrared circuit module, can near field maintenance water gauge encryption data through special handheld set;
(5) the utility model provides a positive displacement NB-IOT thing networking water gauge is equipped with alarm module, through various sensors, can realize various state warning, such as strong magnetism, uncap, bubble water, last trickle, last overflow, palirrhea etc.;
(6) the utility model provides a positive displacement NB-IOT thing networking water gauge, the circuit box body is equipped with the pothook in the shield cover, the hook is placed on the annular boss of the lower casing, can prevent dismantling, greatly reduced the risk of artificial dismantlement;
(7) the utility model provides a positive displacement NB-IOT thing networking water gauge, structural design is simple reasonable, powerful can satisfy most property districts at home and abroad, demands such as school, and market is wide, and application range is wide, and the dress is used promptly, realizes intelligent wireless checking meter, alleviates management side work load, improves the benefit.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings:
fig. 1 is a schematic three-dimensional structure diagram of the volumetric NB-IOT internet of things water meter of the present invention;
fig. 2 is a schematic three-dimensional structure diagram of another view angle of the volumetric NB-IOT internet-of-things water meter of the present invention;
fig. 3 is an exploded view of the volumetric NB-IOT internet of things water meter of the present invention;
fig. 4 is a cross-sectional view of the volumetric NB-IOT internet of things water meter of the present invention;
fig. 5 is a partially enlarged view of a portion a in fig. 4;
fig. 6 is a schematic block diagram of the circuit board assembly of the present invention;
fig. 7 is a schematic circuit diagram of the MCU main control module in the circuit board assembly of the present invention;
fig. 8 is a schematic circuit diagram of an NB-IOT wireless transmission module in the circuit board assembly of the present invention;
fig. 9 is a schematic circuit diagram of an antenna module in the circuit board assembly of the present invention;
fig. 10 is a schematic circuit diagram of a sampling circuit module in the circuit board assembly of the present invention;
fig. 11 is a schematic circuit diagram of an infrared circuit module in the circuit board assembly of the present invention;
fig. 12 is a schematic circuit diagram of a power module in the circuit board assembly of the present invention;
fig. 13 is a schematic circuit diagram of a SIM card module in the circuit board assembly of the present invention;
fig. 14 is a schematic circuit diagram of an external memory module in the circuit board assembly according to the present invention.
The symbols in the drawings illustrate that: 1. base table, 11, upper housing, 111, delivery port, 12, lower housing, 121, water inlet, 122, annular boss, 13, piston meter core, 131, check valve subassembly, 132, filter screen, 133, piston box, 134, piston, 135, center pin, 136, shift fork, 14, counter subassembly, 2, communication circuit box, 21, circuit box body, 211, shielding cover, 2111, pothook, 212, annular rand, 213, the battery storehouse body, 214, battery storehouse lid, 2141, hexagon boss, 2142, pentagon recess, 22, circuit board subassembly, 23, battery.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples:
as shown in fig. 1-5, for the utility model provides a pair of positive displacement NB-IOT thing networking water gauge, its characterized in that: the base meter comprises a base meter 1 and a communication circuit box 2 fixedly arranged on the base meter 1, wherein the base meter 1 comprises an upper shell 11 and a lower shell 12 fixedly connected with the upper shell 11, a closed cavity is enclosed between the upper shell 11 and the lower shell 12, a water inlet 121 communicated between the outside and the closed cavity is arranged at the lower end of the lower shell 12, a water outlet 111 communicated between the closed cavity and the outside is arranged at the upper end of the upper shell 11, the base meter 1 further comprises a piston type metering movement 13 arranged in the closed cavity and a counter assembly 14 connected with the piston type metering movement 13, and the communication circuit box 2 comprises a circuit box body 21 and a circuit board assembly 22 arranged in the circuit box body 21;
as shown in fig. 6, a schematic block diagram of a circuit board assembly 22 is shown, the circuit board assembly 22 includes: the MCU master control module is connected with the sampling circuit module and used for receiving the water flow electric signal output by the sampling circuit module and carrying out cumulative calculation; the sampling circuit module is respectively connected with the counter assembly 14 and the MCU main control module, and is used for receiving the counting pulse signal output by the counter assembly 14, processing the counting pulse signal into an electric water flow signal and outputting the electric water flow signal to the MCU main control module; the NB-IOT wireless transmission module is respectively connected with the MCU main control module and the antenna module and is used for receiving the water flow information output by the MCU main control module, converting the water flow information into a transmission signal and outputting the transmission signal to the antenna module; the antenna module is respectively connected with the NB-IOT wireless transmission module and the remote platform and is used for receiving the transmission signal output by the NB-IOT wireless transmission module and transmitting the transmission signal to the remote platform; and the power supply module is connected with the MCU master control module and used for supplying power to the MCU master control module. Fig. 7 is a circuit schematic diagram of the MCU main control module, fig. 8 is a circuit schematic diagram of the NB-IOT wireless transmission module, fig. 9 is a circuit schematic diagram of the antenna module, fig. 10 is a circuit schematic diagram of the sampling circuit module, and fig. 12 is a circuit schematic diagram of the power supply module.
The circuit board assembly further comprises an SIM card module which is connected with the MCU main control module and used for matching the ID of the user account. Fig. 13 is a circuit diagram of the SIM card module.
The circuit board assembly further comprises an external storage module which is connected with the MCU master control module and used for storing monthly timing meter reading data and running logs. FIG. 14 is a circuit diagram of an external memory module.
The circuit board assembly further comprises an infrared circuit module which is connected with the MCU main control module and used for being in communication connection with the special handset to maintain the encrypted data of the water meter in a near field mode. Fig. 11 is a circuit diagram of the infrared circuit module. The infrared communication circuit module is used for communicating the near field of a computer or a handset with the water meter after the water meter is produced and installed, and modifying the internal parameters and the account ID of the water meter according to a certain authority encryption channel.
The circuit board assembly further comprises an alarm module which is connected with the MCU main control module and used for realizing strong magnetic alarm, cover opening alarm, water soaking alarm, continuous trickle alarm, continuous overflowing alarm and reverse flow alarm.
Be equipped with annular boss 122 on the lower casing 12 upper end periphery wall, be equipped with on the circuit box body 21 and cover the cover 211 of shielding on locating upper casing 11 and lower casing 12 periphery, the internal perisporium that shields the cover 211 is equipped with a plurality of hooks 2111 of hooking on annular boss 122 lower terminal surface along same circumference, circuit box body 21 still sets firmly including detachably in shielding cover 211 and be located the annular rand 212 of each pothook 2111 lower extreme.
The circuit box body 21 is further provided with a battery compartment body 213 for placing a power module and a battery compartment cover 214 in threaded connection with the opening of the battery compartment body 213, the battery compartment cover 214 is provided with a special dismounting interface, and the special dismounting interface comprises a hexagonal boss 2141 and a pentagonal groove 2142 arranged in the hexagonal boss 2141.
As shown in fig. 4, the piston meter core 13 includes a check valve assembly 131 disposed in the water inlet 121, a filter mesh 132 disposed at the bottom of the lower case 12, a piston box 133 disposed in the filter mesh 132, a piston 134 disposed in the piston box 133, a center shaft 135, and a shift fork 136. The basic meter working principle of the positive displacement water meter is as follows: running water in a pipeline flows through the base meter 1, water enters from a lower water inlet 121, under the action of water pressure, the water flow jacks up the check valve assembly 131, the running water flows through the filter screen 132 to filter impurities such as sand, stones and leaves in the water, the running water enters the measuring chamber from a water inlet of the piston box 133, the water inlet cavity and the water outlet cavity are sequentially filled and emptied, the rotary piston 134 is pushed to rotate around the central shaft of the measuring chamber, meanwhile, the water flows to the upper water outlet 111 from the hollow part in the piston and the hollow part formed by the piston and the wall surface of the measuring chamber, the central shaft 135 and the shifting fork 136 are connected with the counter assembly 14 while the piston 134 rotates, so that the volume of the running water can be calculated through the counter assembly 14 as long as the number of times of the piston 134 rotates is recorded, and a reed pipe or a. And the circuit board suite in the communication circuit box receives the pulse signal, the MCU master control circuit performs counting judgment calculation, and wireless transmission and reporting data are performed through the NB-IOT network according to a preset or platform set period to complete wireless meter reading work.
The above-mentioned embodiment is only right the technical scheme of the utility model explains in detail, the utility model discloses not only limit to above-mentioned embodiment and water gauge bore, all be according to the utility model discloses any improvement or replacement of principle all should be within the protection scope of the utility model.
Claims (7)
1. The utility model provides a positive displacement NB-IOT thing networking water gauge which characterized in that: the base meter comprises a base meter (1) and a communication circuit box (2) fixedly arranged on the base meter (1), wherein the base meter (1) comprises an upper shell (11) and a lower shell (12) fixedly connected with the upper shell (11), a closed cavity is formed between the upper shell (11) and the lower shell (12), a water inlet (121) communicated between the outside and the closed cavity is formed in the lower end of the lower shell (12), a water outlet (111) communicated between the closed cavity and the outside is formed in the upper end of the upper shell (11), the base meter (1) further comprises a piston type metering machine core (13) arranged in the closed cavity and a counter assembly (14) connected with the piston type metering machine core (13), and the communication circuit box (2) comprises a circuit box body (21) and a circuit board assembly (22) arranged in the circuit box body (21);
the circuit board assembly (22) includes:
the MCU master control module is connected with the sampling circuit module and used for receiving the water flow electric signal output by the sampling circuit module and carrying out cumulative calculation;
the sampling circuit module is respectively connected with the counter assembly (14) and the MCU main control module and is used for receiving the counting pulse signals output by the counter assembly (14) and then processing the counting pulse signals into electric signals of water flow and outputting the electric signals to the MCU main control module;
the NB-IOT wireless transmission module is respectively connected with the MCU main control module and the antenna module and is used for receiving the water flow information output by the MCU main control module, converting the water flow information into a transmission signal and outputting the transmission signal to the antenna module;
the antenna module is respectively connected with the NB-IOT wireless transmission module and the remote platform and is used for receiving the transmission signal output by the NB-IOT wireless transmission module and transmitting the transmission signal to the remote platform;
and the power supply module is connected with the MCU master control module and used for supplying power to the MCU master control module.
2. The positive displacement NB-IOT internet-of-things water meter recited in claim 1, wherein: the circuit board assembly further comprises an SIM card module which is connected with the MCU main control module and used for matching the ID of the user account.
3. The positive displacement NB-IOT internet-of-things water meter recited in claim 1, wherein: the circuit board assembly further comprises an external storage module which is connected with the MCU master control module and used for storing monthly timing meter reading data and running logs.
4. The positive displacement NB-IOT internet-of-things water meter recited in claim 1, wherein: the circuit board assembly further comprises an infrared circuit module which is connected with the MCU main control module and used for being in communication connection with the special handset to maintain the encrypted data of the water meter in a near field mode.
5. The positive displacement NB-IOT internet-of-things water meter recited in claim 1, wherein: the circuit board assembly further comprises an alarm module which is connected with the MCU main control module and used for realizing strong magnetic alarm, cover opening alarm, water soaking alarm, continuous trickle alarm, continuous overflowing alarm and reverse flow alarm.
6. The positive displacement NB-IOT internet-of-things water meter recited in claim 1, wherein: be equipped with annular boss (122) on lower casing (12) upper end periphery wall, be equipped with on circuit box body (21) and cover and locate casing (11) and lower casing (12) cover (211) that shields in the periphery, the internal perisporium that shields cover (211) is equipped with a plurality of hooks along same circumference and arranges pothook (2111) on annular boss (122) lower terminal surface in, circuit box body (21) still sets firmly including detachably on shielding cover (211) and be located annular rand (212) of each pothook (2111) lower extreme.
7. The positive displacement NB-IOT internet-of-things water meter recited in claim 1, wherein: still be equipped with the battery storehouse body (213) and threaded connection battery storehouse lid (214) on the battery storehouse body (213) opening that are used for placing power module on circuit box body (21), be equipped with special dismouting interface on battery storehouse lid (214), special dismouting interface includes hexagon boss (2141) and sets up pentagon recess (2142) in hexagon boss (2141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182035.6U CN210089780U (en) | 2019-07-25 | 2019-07-25 | Positive displacement NB-IOT thing networking water gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182035.6U CN210089780U (en) | 2019-07-25 | 2019-07-25 | Positive displacement NB-IOT thing networking water gauge |
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| Publication Number | Publication Date |
|---|---|
| CN210089780U true CN210089780U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921182035.6U Active CN210089780U (en) | 2019-07-25 | 2019-07-25 | Positive displacement NB-IOT thing networking water gauge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274652A (en) * | 2019-07-25 | 2019-09-24 | 福建上润精密仪器有限公司 | Positive displacement NB-IOT Internet of Things water meter |
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2019
- 2019-07-25 CN CN201921182035.6U patent/CN210089780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274652A (en) * | 2019-07-25 | 2019-09-24 | 福建上润精密仪器有限公司 | Positive displacement NB-IOT Internet of Things water meter |
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