CN214587109U

CN214587109U - Intelligent gas meter

Info

Publication number: CN214587109U
Application number: CN202121022921.XU
Authority: CN
Inventors: 张德乐
Original assignee: Hangzhou Palm Rent Asset Management Co ltd
Current assignee: Hangzhou Palm Rent Asset Management Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-02
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses an intelligent gas meter, including shell, inner shell, gas table base table and lithium cell, the positive top fixedly connected with waterproof board of shell, the positive top of shell articulates through the hinge has flip, the positive bottom of shell articulates through the hinge has little flip, first screw hole has been seted up to little flip's bottom, the second screw hole has been seted up on the upper portion of inner shell, the middle part of inner shell is provided with the circuit board, the right side at inner shell middle part is connected with the lithium cell. The utility model discloses a set up the lithium cell, can supply power for this equipment, through setting up spring button, the user can be preserved predetermined numerical value in this equipment, through setting up NB-lot module, can make this equipment connect user's cell-phone or computer, through setting up the display screen, is convenient for survey each item numerical value index of this equipment, through setting up pneumatic valve motor driver chip, makes the user can pass through NB-lot module control air current.

Description

Intelligent gas meter

Technical Field

The utility model relates to a gas table technical field specifically is intelligent gas table.

Background

The intelligent gas supply system on the market at present mostly adopts the measurement charging system of IC-card gas table, this kind of measurement charging system adopts the mode of prepayment to carry out the measurement air feed, provide and close the function of air feed and realize the charge management through the gas control valve, compare with the teletransmission system of checking meter, the IC-card gas table has realized to a certain extent that the intelligent management is carried out to user's gas with the gas, and have the advantage that use and maintenance cost are very low, do not have the confusion and the high fault rate scheduling problem that the wiring caused, but present common gas table can not forget to close the gas to the user, the circumstances such as remote switch valve are monitored, the management and control, lead to the leakage of gas resource to cause danger, be unfavorable for people's use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent gas table possesses convenient to use's advantage, and present common gas table can not forget to close the gas to the user, and the circumstances such as remote switch valve are monitored, the management and control, lead to leaking of gas resource to cause danger, are unfavorable for people's the problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the intelligent gas meter comprises an outer shell, an inner shell, a gas meter base meter and a lithium battery, wherein the front top of the outer shell is fixedly connected with a waterproof plate, the front top of the outer shell is hinged with a flip cover through a hinge, the front bottom of the outer shell is hinged with a small flip cover through a hinge, the bottom of the small flip cover is provided with a first screw hole, the upper part of the inner shell is provided with a second screw hole, the middle part of the inner shell is provided with a circuit board, the right side of the middle part of the inner shell is connected with the lithium battery, the front upper part of the gas meter base meter is provided with a character wheel, a gas valve motor is arranged in the front of the gas meter base meter, the front left side of the circuit board is fixedly connected with a silica gel column, the right side of the back side of the circuit is fixedly connected with an NB-lot module, the back side of the circuit board is fixedly connected with a touch chip on the upper part of the NB-lot module, and the left bottom of the back side of the circuit board is fixedly connected with a gas valve motor driving chip, the middle of the left side of the back of the circuit board is fixedly connected with a main chip, the right side of the back of the circuit board and positioned on the main chip is fixedly connected with an NB-lot Internet of things card, the top of the right side of the front of the circuit board is fixedly connected with an indicator lamp, the right side of the front of the circuit board and positioned on the indicator lamp is fixedly connected with a spring button, the bottom of the right side of the front of the circuit board is fixedly connected with a spring antenna, and a lithium battery slot is formed in the middle of a connecting line of the lithium battery and the circuit board;

the output end of the lithium battery is electrically connected with the input end of the main chip in a one-way mode, the main chip is electrically connected with the NB-lot module in a two-way mode, the input end of the main chip is electrically connected with the output end of the touch chip in a one-way mode, the output end of the main chip is electrically connected with the input end of the air valve motor driving chip in a one-way mode, the output end of the air valve motor driving chip is electrically connected with the input end of the air valve motor in a one-way mode, the output end of the spring antenna is electrically connected with the input end of the NB-lot module in a one-way mode, and the output end of the NB-lot internet-of-things is electrically connected with the input end of the NB-lot module in a one-way mode.

Preferably, the NB-lot module includes an integrated chip U4, the left side of the integrated chip U4 is, from top to bottom, a 1 ground GND, a 7 MAIN power PWRKEY, a 10 internet of things card ground SIM _ GND, 11 internet of things card DATA SIM _ DATA, a 12 internet of things card RESET SIM _ RST and a 13 internet of things card time SIM _ CLK, the bottom side of the integrated chip U4 is, from left to right, a 14 internet of things card operating voltage SIM _ VDD, a 15 RESET, a 17 MAIN DATA receiving MAIN _ RXD, an 18 MAIN DATA transmitting MAIN _ d and a tx19 signal line PSM _ ein, respectively, the right side of the integrated chip U4 is, from bottom to top, a 24 external operating voltage EXT _ VDD, a 27 ground GND, a 34 ground GND and a 35 antenna signal input RF _ ANT, and the top side of the integrated chip U4 is, from right to left, a 36 ground GND, a 37 ground, a 40 ground, a 41 ground, a 42 battery power GND and a 43 battery power VBAT, respectively.

Preferably, the main chip comprises an integrated chip U1, one end of the integrated chip U1 is connected with a lithium battery 3.6V, the other end of the integrated chip U1 is connected with the air valve motor driving chip and the NB-lot module, a voltage input end VIN is connected with a common grounding end through a capacitor C10, one end of a voltage output end VOUT is connected with the common grounding end through a capacitor C4, and the voltage output end VOUT and the common grounding end are connected in parallel through a capacitor C22.

Preferably, the air valve motor driving chip comprises an integrated chip U3, the left end of the integrated chip U3 is connected with an output power supply positive MO + negative MO-and a ground wire GND, and the right end of the integrated chip U3 is connected with JA, JB integrated trigger and input voltage VCC.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the lithium cell, can supply power for this equipment, through setting up spring button, the user can be preserved predetermined numerical value in this equipment, through setting up NB-lot module, can make this equipment connect user's cell-phone or computer, through setting up the display screen, is convenient for survey each item numerical value index of this equipment, through setting up pneumatic valve motor driver chip, makes the user can pass through NB-lot module control air current.

2. The utility model discloses a pneumatic valve motor driver chip, NB-lot module, NB-lot thing networking card and lithium cell combination use, realize long-range real-time valve that opens and shuts, solved the user and forgotten to close gas when going out, lead to the leakage of gas resource to cause dangerous problem, through adopting spring button, solved and punched on the waterproof board, gaseous problem that the circuit board influences normal work that gets into.

Drawings

FIG. 1 is a front view of the housing of the present invention;

FIG. 2 is a front view of the inner shell of the present invention;

FIG. 3 is a front cross-sectional view of the gas meter base table of the present invention;

FIG. 4 is a front view of the circuit board of the present invention;

FIG. 5 is a back view of the circuit board of the present invention;

FIG. 6 is an external view of a lithium battery according to the present invention;

fig. 7 is a schematic diagram of the system of the present invention.

In the figure: 1. a housing; 2. an inner shell; 3. a gas meter base meter; 4. a waterproof sheet; 5. a cover is turned; 6. a small flip cover; 7. a first screw hole; 8. a second screw hole; 9. a circuit board; 10. a lithium battery; 11. a print wheel; 12. an air valve motor; 13. a silica gel column; 14. an NB-lot module; 15. NB-lot Internet of things card; 16. a touch chip; 17. a gas valve motor driving chip; 18. a main chip; 19. an indicator light; 20. a spring button; 21. a spring antenna; 22. lithium battery slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1-7, an intelligent gas meter comprises an outer shell 1, an inner shell 2, a gas meter base 3 and a lithium battery 10, wherein the top of the front surface of the outer shell 1 is fixedly connected with a waterproof plate 4, the top of the front surface of the outer shell 1 is hinged with a flip cover 5 through a hinge, the bottom of the front surface of the outer shell 1 is hinged with a small flip cover 6 through a hinge, the bottom of the small flip cover 6 is provided with a first screw hole 7, the upper part of the inner shell 2 is provided with a second screw hole 8, the middle part of the inner shell 2 is provided with a circuit board 9, the right side of the middle part of the inner shell 2 is connected with the lithium battery 10, the upper part of the front surface of the gas meter base 3 is provided with a character wheel 11, the inside of the front surface of the gas meter base 3 is provided with a gas valve motor 12, the left side of the front surface of the circuit board 9 is fixedly connected with a silica gel column 13, the right side of the back surface of the circuit board 9 is fixedly connected with an NB-lot module 14, the NB-lot module 14 comprises an integrated chip U4, the left side of the integrated chip U4 is respectively 1 GND from top to the bottom, 7 MAIN power supply PWRKEY, 10 internet of things network card ground wire SIM _ GND, 11 internet of things network card DATA SIM _ DATA, 12 internet of things network card RESET SIM _ RST and 13 internet of things network card time SIM _ CLK, the bottom side of the integrated chip U4 is respectively 14 internet of things network card working voltage SIM _ VDD, 15 RESET RESET, 17 MAIN DATA receiving MAIN _ RXD, 18 MAIN DATA transmitting MAIN _ TXD and 19 signal wire PSM _ EINT from left to right, the right side of the integrated chip U4 is respectively 24 external working voltage EXT _ VDD, 27 ground wire GND, 34 ground wire GND and 35 antenna signal input RF _ ANT from bottom to top, the top side of the integrated chip U4 is respectively 36 GND, 37 GND, 40 ground wire GND, 41 GND, 42 battery power supply VBAT and 43 battery power supply VBAT, a touch chip 16 is fixedly connected to the back of the circuit board 9 and positioned at the upper part of the NB-lot module 14, an air valve motor driving chip 17 is fixedly connected to the left bottom of the back of the circuit board 9, the air valve motor driving chip 17 comprises an integrated chip U3, the left end of the integrated chip U3 is connected with an output power supply positive MO + negative MO-and a ground wire GND, the right end of the integrated chip U3 is connected with JA, JB integrated trigger and input voltage VCC, the middle part of the left side of the back of the circuit board 9 is fixedly connected with a main chip 18, the main chip 18 comprises an integrated chip U1, one end of the integrated chip U1 is connected with a lithium battery 3.6V, the other end of the integrated chip U1 is connected with the air valve motor driving chip 17 and an NB-lot module 14, a voltage input end VIN is connected with a common grounding end through a capacitor C10, one end of a voltage output end VOUT is connected with the common grounding end through a capacitor C4, the voltage output end VOUT is connected with the common grounding end in parallel through a capacitor C22, the right side of the back of the circuit board 9 and the main chip is fixedly connected with an NB-lot physical connection network card 15, the top of the right side of the front of the circuit board 9 is fixedly connected with an indicator lamp 19, the spring button 20 is fixedly connected to the front side of the circuit board 9 and located on the right side of the indicator lamp 19, the spring antenna 21 is fixedly connected to the bottom of the right side of the front side of the circuit board 9, the lithium battery slot 22, the air valve motor driving chip 17, the NB-lot module 14 and the lithium battery 10 are arranged in the middle of a connecting line of the lithium battery 10 and the circuit board 9 and used in a combined mode, remote real-time valve opening and closing are achieved, the problem that danger is caused due to leakage of gas resources as a user forgets to close gas when going out is solved, and the problem that normal work is affected due to punching of the waterproof board 4 and gas and water entering the circuit board 9 are solved through the spring button 20;

the output end of the lithium battery 10 is unidirectionally and electrically connected with the input end of the main chip 18, the main chip 18 is bidirectionally and electrically connected with the NB-lot module 14, the input end of the main chip 18 is unidirectionally and electrically connected with the output end of the touch chip 16, the output end of the main chip 18 is unidirectionally and electrically connected with the input end of the indicator lamp 19, the output end of the main chip 18 is unidirectionally and electrically connected with the input end of the air valve motor driving chip 17, the output end of the air valve motor driving chip 17 is unidirectionally and electrically connected with the input end of the air valve motor 12, the output end of the spring antenna 21 is unidirectionally and electrically connected with the input end of the NB-lot module 14, the output end of the NB-lot Internet of things 15 is unidirectionally and electrically connected with the input end of the NB-lot module 14, power can be supplied to the equipment by arranging the lithium battery 10, and a user can store a preset numerical value in the equipment by arranging the spring button 20, by arranging the NB-lot module 14, the equipment can be connected with a mobile phone or a computer of a user, by arranging the display screen, numerical indexes of the equipment can be observed conveniently, and by arranging the air valve motor driving chip 17, the user can control air flow through the NB-lot module 14.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

During the use, lithium cell 10 supplies power to this equipment, the user passes through NB-lot module 14 with predetermined data transmission to main chip 18, detect the gas flow through gas table base meter 3, carry out contrastive analysis to the gas flow with predetermined data through main chip 18, when unqualified, main chip 18 control gas valve motor driver chip 17 works, gas valve motor driver chip 17 control gas valve motor 12 works, close the gas valve and stop the air feed, give mobile terminal with abnormal information transmission through NB-lot module 14 simultaneously, the user observes each item index of this equipment through mobile terminal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Intelligent gas table, including shell (1), inner shell (2), gas table base table (3) and lithium cell (10), its characterized in that: the front top of the outer shell (1) is fixedly connected with a waterproof board (4), the front top of the outer shell (1) is hinged with a flip cover (5) through a hinge, the front bottom of the outer shell (1) is hinged with a small flip cover (6) through a hinge, the bottom of the small flip cover (6) is provided with a first screw hole (7), the upper part of the inner shell (2) is provided with a second screw hole (8), the middle part of the inner shell (2) is provided with a circuit board (9), the right side of the middle part of the inner shell (2) is connected with a lithium battery (10), the front upper part of the gas meter base meter (3) is provided with a character wheel (11), the front inside of the gas meter base meter (3) is provided with a gas valve motor (12), the front left side of the circuit board (9) is fixedly connected with a silica gel column (13), and the right side of the back of the circuit board (9) is fixedly connected with an NB-lot module (14), a touch chip (16) is fixedly connected with the back surface of the circuit board (9) and positioned at the upper part of the NB-lot module (14), an air valve motor driving chip (17) is fixedly connected with the bottom of the left side of the back surface of the circuit board (9), the middle part of the left side of the back surface of the circuit board (9) is fixedly connected with a main chip (18), an NB-lot Internet of things card (15) is fixedly connected to the back of the circuit board (9) and positioned at the right side of the main chip (18), the top of the right side of the front surface of the circuit board (9) is fixedly connected with an indicator lamp (19), a spring button (20) is fixedly connected with the front surface of the circuit board (9) and positioned at the right side of the indicator lamp (19), the bottom of the right side of the front surface of the circuit board (9) is fixedly connected with a spring antenna (21), a lithium battery slot (22) is arranged in the middle of the connecting line of the lithium battery (10) and the circuit board (9);

the output end of the lithium battery (10) is unidirectionally and electrically connected with the input end of the main chip (18), the main chip (18) is electrically connected with the NB-lot module (14) in a bidirectional way, the input end of the main chip (18) is unidirectionally and electrically connected with the output end of the touch chip (16), the output end of the main chip (18) is unidirectionally and electrically connected with the input end of the indicator light (19), the output end of the main chip (18) is unidirectionally and electrically connected with the input end of the air valve motor driving chip (17), the output end of the air valve motor driving chip (17) is unidirectionally and electrically connected with the input end of the air valve motor (12), the output end of the spring antenna (21) is unidirectionally and electrically connected with the input end of the NB-lot module (14), the output end of the NB-lot Internet of things card (15) is in one-way electric connection with the input end of the NB-lot module (14).

2. The intelligent gas meter according to claim 1, wherein: the NB-lot module (14) comprises an integrated chip U4, the left side of the integrated chip U4 is respectively a 1 ground line GND, a 7 MAIN power supply PWRKEY, a 10 Internet of things card ground line SIM _ GND, 11 Internet of things card DATA SIM _ DATA, a 12 Internet of things card RESET SIM _ RST and a 13 Internet of things card time SIM _ CLK from top to bottom, the bottom side of the integrated chip U4 is respectively a 14 Internet of things card working voltage SIM _ VDD, a 15 RESET RESET, a 17 MAIN DATA receiving MAIN _ RXD, an 18 MAIN DATA transmitting MAIN _ D and a TX19 signal line PSM _ EINT from left to right, the right side of the integrated chip U4 is respectively a 24 external working voltage EXT _ VDD, a 27 ground line GND, a 34 ground line GND and a 35 antenna signal input RF _ ANT from bottom to top, and the top side of the integrated chip U4 is respectively a 36 ground line GND, a 37 ground line GND, a 40 ground line, a 41 ground line GND, a 42 battery power supply GND and a 43 battery power supply VBAT from right to left.

3. The intelligent gas meter according to claim 1, wherein: the main chip (18) comprises an integrated chip U1, one end of the integrated chip U1 is connected with a lithium battery 3.6V, the other end of the integrated chip U1 is connected with an air valve motor driving chip (17) and an NB-lot module (14), a voltage input end VIN is connected with a common grounding end through a capacitor C10, one end of a voltage output end VOUT is connected with the common grounding end through a capacitor C4, and the voltage output end VOUT is connected with the common grounding end in parallel through a capacitor C22.

4. The intelligent gas meter according to claim 1, wherein: the air valve motor driving chip (17) comprises an integrated chip U3, the left end of the integrated chip U3 is connected with an output power supply positive MO + negative MO-and a ground wire GND, the right end of the integrated chip U3 is connected with JA, JB integrated trigger and input voltage VCC.