CN203616817U - IC (integrated) card intelligent fuel gas meter with gas leakage warning and valve closing functions - Google Patents
IC (integrated) card intelligent fuel gas meter with gas leakage warning and valve closing functions Download PDFInfo
- Publication number
- CN203616817U CN203616817U CN201320688634.1U CN201320688634U CN203616817U CN 203616817 U CN203616817 U CN 203616817U CN 201320688634 U CN201320688634 U CN 201320688634U CN 203616817 U CN203616817 U CN 203616817U
- Authority
- CN
- China
- Prior art keywords
- valve
- microprocessor
- gas
- leakage warning
- meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007789 gas Substances 0.000 title abstract description 100
- 230000006870 function Effects 0.000 title abstract description 10
- 239000002737 fuel gas Substances 0.000 title abstract 5
- 230000015654 memory Effects 0.000 claims description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000013500 data storage Methods 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000003345 natural gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Abstract
The utility model relates to an IC (integrated) card intelligent fuel gas meter with gas leakage warning and valve closing functions. The fuel gas meter comprises a microprocessor, wherein a counting collecting module, an IC card interface module, a liquid crystal display module, a data storage module, a programming interface circuit module and a test circuit module are connected onto the microprocessor, the fuel gas meter also comprises a gas sensor and a buzzer driving circuit connected onto the microprocessor, the buzzer driving circuit is connected with a buzzer, and the gas sensor is connected with the microprocessor through a gas leakage warning circuit. The IC card intelligent fuel gas meter with gas leakage warning and valve closing functions has high safe performance.
Description
Technical field
The utility model relates to a kind of intelligent gas meter, especially relates to a kind ofly with gas leakage warning and close the IC-card intelligent gas meter of valve, belongs to technology of instrument and meter field.
Background technology
At present, natural gas is widely used in city because it is cheap, easy to use, when resident uses natural gas, need to be equipped with gas meter, flow meter the gas flow using is supervised, so that gas company charges accordingly; But the various gas meter, flow meters of domestic production are all focused at quantification stability, in reliable in quality, gas meter, flow meter gas leakage problem is paid attention to not, seldom possess the safety guarantee function of other side, once the gas leakage in pipeline easily causes potential safety hazard.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of security performance high with gas leakage warning and close the IC-card intelligent gas meter of valve.
The purpose of this utility model is achieved in that a kind of with gas leakage warning and close the IC-card intelligent gas meter of valve, described gas meter, flow meter includes microprocessor, on described microprocessor, be connected with counting acquisition module, IC-card interface module, LCD MODULE, data memory module, DLL (dynamic link library) circuit module and test circuit module, described gas meter, flow meter also includes gas sensor and is connected to the buzzer drive circuit on microprocessor, described buzzer drive circuit is connected with hummer, described gas sensor is connected with microprocessor through gas leakage warning circuit.
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, described gas leakage warning circuit includes photoelectrical coupler, the input end of described photoelectrical coupler is connected with gas sensor, and the output terminal of described photoelectrical coupler is serially connected between microprocessor and ground.
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, described gas meter, flow meter also includes the valve control module being connected on microprocessor, described valve control module includes the valve driving circuit and the motor valve that are connected with microprocessor, described valve driving circuit is connected with motor valve, and this motor valve is serially connected on natural gas pipe.
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, the reed switch circuit that described counting acquisition module includes counting tongue tube, counter wheel and is connected with microprocessor, described counting tongue tube is arranged in the locating slot of the corresponding coupling of gas meter, flow meter to be fixed.
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, and described counting tongue tube is provided with two.
Compared with prior art, the beneficial effects of the utility model are:
IC-card intelligent gas meter of the present utility model not only has gas meter, flow meter function of measuring, also has gas leakage alarm simultaneously and closes valve function, has guaranteed the safety problem of users in the time using clear energy sources; IC-card is practicable first to be bought after gas with gas, and user can, take tolerance as unit also can purchase gas take money as unit, facilitate user's selection, has also solved gas company's difficult charge and charge hysteresis problem simultaneously; Gas meter, flow meter adopts the structural design of double-counting tongue tube, accuracy and the anti-interference of its image data are guaranteed, extend its serviceable life, of the present invention with gas leakage warning and close that the IC-card intelligent gas meter volume of valve is little, steady quality, be easy to install, be applicable to various resident's combustion gas terminals and use.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the utility model band gas leakage warning the IC-card intelligent gas meter that closes valve.
Fig. 2 is the electrical block diagram of the gas leakage warning circuit of the utility model band gas leakage warning the IC-card intelligent gas meter that closes valve.
Embodiment
Referring to Fig. 1 and Fig. 2, it is a kind of with gas leakage warning and close the IC-card intelligent gas meter of valve that the utility model relates to, described gas meter, flow meter includes microprocessor, described microprocessor adopts low-power consumption, PIC16F946 single-chip microcomputer that can online programming, this single-chip microcomputer is with lcd driver, and adopt 8 CMOS flash memories of 64 pin of nanowatt technology, on described microprocessor, be connected with counting acquisition module, valve control module, IC-card interface module, LCD MODULE, data memory module, DLL (dynamic link library) circuit module and test circuit module, described valve control module includes the valve driving circuit and the motor valve that are connected with microprocessor, described valve driving circuit is connected with motor valve, this motor valve is serially connected on natural gas pipe, thereby make microprocessor send control signal motor valve carried out to switch control---realize the control to natural gas transport in pipeline, described counting acquisition module includes counting tongue tube, counter wheel and the reed switch circuit being connected with microprocessor, described counting tongue tube (being provided with two) is arranged in the supporting locating slot of gas meter, flow meter to be fixed, the data of described counting acquisition module collection are sent to microprocessor, and show by LCD MODULE,
Described gas meter, flow meter also includes gas sensor and is connected to the buzzer drive circuit on microprocessor, described buzzer drive circuit is connected with hummer, described gas sensor is connected with microprocessor through gas leakage warning circuit, described gas leakage warning circuit includes photoelectrical coupler, the input end (1 pin and 2 pin) of described photoelectrical coupler is connected with gas sensor, it (is that a pin in two output pins of photoelectrical coupler is connected to microprocessor that the output terminal (3 pin and 4 pin) of described photoelectrical coupler is serially connected between microprocessor and ground, another pin ground connection), thereby make in the time that gas sensor detects that gas exceeds standard, export a level signal, this level signal is triggered photoelectrical coupler, thereby make microprocessor obtain a low imput, now microprocessor can know that gas exceeds standard, microprocessor can drive hummer to report to the police through buzzer drive circuit subsequently, and simultaneously can be by valve control module by valve closing, prevent that natural gas from leaking, thereby avoid dangerous generation---concretely, above-mentioned gas Sensor monitoring sends 5V voltage to the abnormal concentrations of harmful gas in air and produces the signal that drives microprocessor by optocoupler, microprocessor control motor valve valve-off, reach the object of security protection,
Above-mentioned module is powered by power module, and described power module includes the power supply of a DC6V, and this power supply produces stable voltage through voltage stabilizing circuit modules is powered;
Above-mentioned with gas leakage warning and to close IC-card that the IC-card interface module in the IC-card intelligent gas meter of valve inserts can be any of memory card, logic encryption card and CPU card;
What the microprocessor in the utility model adopted is the product of MICROCHIP---PIC16F946 single-chip microcomputer, and this single-chip microcomputer, with lcd driver, adopts 8 CMOS flash memory single-chip microcomputers of 64 pin of nanowatt technology, and its principal feature is as follows:
High-performance; Only need to learn 35 instructions; The incoming frequency of operating rate---oscillator/clock is DC-20MHZ, and the instruction cycle is DC-200ns; Program storage read functions; Interrupt function; 8 grades of dark hardware stacks; Directly, indirect and relative addressing pattern; Low-power consumption; Standby current, in the time that voltage is 2.0V, representative value≤100nA; Operating voltage, in the time that frequency is 32KHZ voltage 2.0V, representative value is 8.5 μ A, in the time that frequency is 1MHZ voltage 2.0V, representative value is 100 μ A; House dog timing electric current, in the time that voltage is 2.0V, representative value is 1 μ A; High precision internal oscillator; Energy-conservation park mode; Wide operating voltage range (2.0V～5.5V); Technical grade and expansion level temperature range; Electrification reset; Delayed timer and vibration starting of oscillation timer; With the under-voltage reset of software control; Oscillator on strap; Programmable code protection; High durability flash memory/EEPROM unit; Flash memory can stand write operation 100,000 times; EEPROM can stand write operation 1,000,000 times; Flash memory/data EEPROM retention time is greater than 40 years; Peripheral hardware characteristic; LCD MODULE maximum can drive 168 pixels; A/D converter: 10 bit resolutions and 8 passages; 8 bit timing devices and 16 bit timing devices; Addressable universal synchronous/asynchronism transceiver; 2 seizure, comparison and PWM modules;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, and described IC-card interface module is to make, mend card, the card of opening an account, IC-card reparation and to user profile for implementation tool blocking, system password, Status Flag and purchase the storage of tolerance;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, described test circuit module is for providing traffic pulse for microprocessor, microprocessor is saved in data after EEPROM in time receiving after magnetic guard signal, and disable motor valve, sends alarm command;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, and described DLL (dynamic link library) circuit is for upgrading to microprocessor software program easily from now on, guarantees the software program replacement that can upgrade in time;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, described LCDs adopts low-power consumption LCD display, can intuitively show the tolerance information of 9999.99 cubic metres, have simultaneously prompting " valve leaves ", " valve pass ", " under-voltage ", " Card Reader is abnormal ", " please pay the fees ", " residue tolerance " and etc. information;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, and described Power Entry Module is mainly the power supply that DC6V is provided for microprocessor and motor valve;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, it is mainly to become the linear voltage of 3.6V to offer microprocessor system work the DC6V voltage voltage stabilizing of power supply input that described power supply, voltage stabilizing detect electrical equipment, when microprocessor low-voltage detection circuit detects input voltage lower than default value simultaneously, microprocessor is carried out and is preserved EEPROM data, carries out and closes valve and information instruction;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, and described large function storage capacitors unit refers in the situation that external power supply breaks, and large function storage capacitors can provide power supply temporarily, so that the preservation of data and facilitate user to inquire about;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, described valve control module is mainly to receive the switch valve instruction that microprocessor sends, when valve control module receives after " driving valve ", " pass valve " instruction, just can realize corresponding " driving valve ", " pass valve " action;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, described counting acquisition module is in order to guarantee that gas metering is accurate, adopt two tongue tube double-counting patterns to carry out, can prevent that high-intensity magnetic field from disturbing the accuracy of gas metering, the low level producing with the adhesive of the small magnet on counter wheel and tongue tube when its principle is pulse collection is as count pulse, low level counter wheel rotates one week, two counting tongue tubes of small magnet adhesive, produce two pulses, microprocessor approval is for once counting.Break down one or meet with strong magnetic interference if there is tongue tube, microprocessor can not receive that within the regular hour two pulse signals think fault, can send to close valve instruction and realize and close valve and die to valve control module, guarantee metering accurately;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, and described buzzer driving circuit is mainly for user's operation or gas meter, flow meter send indication sound when the work, informs the state of gas meter, flow meter;
The utility model band gas leakage warning also closes the IC-card intelligent gas meter of valve, described gas leakage warning circuit adopts PS2501 optocoupler, leakage alarm circuit is connected on single-chip microcomputer 24, when gas sensor detects that in air, the abnormal concentrations of harmful gas is sent warning, warning circuit produces 5V voltage, produce signal by optocoupler, microprocessor control motor valve valve-off, reaches the object of security protection.
Claims (5)
1. one kind with gas leakage warning and close the IC-card intelligent gas meter of valve, described gas meter, flow meter includes microprocessor, on described microprocessor, be connected with counting acquisition module, IC-card interface module, LCD MODULE, data memory module, DLL (dynamic link library) circuit module and test circuit module, it is characterized in that: described gas meter, flow meter also includes gas sensor and is connected to the buzzer drive circuit on microprocessor, described buzzer drive circuit is connected with hummer, and described gas sensor is connected with microprocessor through gas leakage warning circuit.
2. a kind of with gas leakage warning and close the IC-card intelligent gas meter of valve as claimed in claim 1, it is characterized in that: described gas leakage warning circuit includes photoelectrical coupler, the input end of described photoelectrical coupler is connected with gas sensor, and the output terminal of described photoelectrical coupler is serially connected between microprocessor and ground.
3. a kind of with gas leakage warning and close the IC-card intelligent gas meter of valve as claimed in claim 2, it is characterized in that: described gas meter, flow meter also includes the valve control module being connected on microprocessor, described valve control module includes the valve driving circuit and the motor valve that are connected with microprocessor, described valve driving circuit is connected with motor valve, and this motor valve is serially connected on gas pipeline.
4. a kind of with gas leakage warning and close the IC-card intelligent gas meter of valve as described in claim 1,2 or 3, it is characterized in that: the reed switch circuit that described counting acquisition module includes counting tongue tube, counter wheel and is connected with microprocessor, described counting tongue tube is arranged in the locating slot of the corresponding coupling of gas meter, flow meter to be fixed.
5. a kind of with gas leakage warning and close the IC-card intelligent gas meter of valve as claimed in claim 4, it is characterized in that: described counting tongue tube is provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688634.1U CN203616817U (en) | 2013-11-04 | 2013-11-04 | IC (integrated) card intelligent fuel gas meter with gas leakage warning and valve closing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688634.1U CN203616817U (en) | 2013-11-04 | 2013-11-04 | IC (integrated) card intelligent fuel gas meter with gas leakage warning and valve closing functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616817U true CN203616817U (en) | 2014-05-28 |
Family
ID=50769447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688634.1U Expired - Lifetime CN203616817U (en) | 2013-11-04 | 2013-11-04 | IC (integrated) card intelligent fuel gas meter with gas leakage warning and valve closing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241518A (en) * | 2014-07-11 | 2016-01-13 | 张文 | Intelligent gas meter for flameout prevention, leakage prevention and dry-burning prevention |
-
2013
- 2013-11-04 CN CN201320688634.1U patent/CN203616817U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241518A (en) * | 2014-07-11 | 2016-01-13 | 张文 | Intelligent gas meter for flameout prevention, leakage prevention and dry-burning prevention |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203673574U (en) | Safety IC card intelligent gas meter capable of remotely and wirelessly transmitting | |
| CN102663857B (en) | Non-contact IC card mechanical film type gas meter and control system thereof | |
| CN103162760A (en) | Full-intelligent remote water meter | |
| CN202422270U (en) | Intelligent water meter controller with IC (intelligent circuit) card | |
| CN201255903Y (en) | Wireless remote transmission intelligent meter | |
| CN204791294U (en) | Take intelligent gas meter of SX1278 module | |
| CN102324144A (en) | Intelligent waterproof water meter with radio frequency (RF) card | |
| Kate et al. | ZIGBEE based monitoring theft detection and automatic electricity meter reading | |
| CN103258411B (en) | Intelligent water meter reading system based on GPRS technology | |
| CN203101508U (en) | Single-phase remote cost control electric energy meter | |
| CN105279855B (en) | NFC radio frequency CPU card intelligent gas meters | |
| CN202142131U (en) | Radio frequency card intelligent waterproof water meter | |
| CN203616817U (en) | IC (integrated) card intelligent fuel gas meter with gas leakage warning and valve closing functions | |
| CN201562317U (en) | Three-phase three-wire CPU card intelligent electric energy meter | |
| CN103313365A (en) | Remote control metering system | |
| CN205120170U (en) | Thing networking information system management safety gas table | |
| CN204270400U (en) | A kind of intellectual water meter electronic module | |
| CN102289882A (en) | photovoltaic power supply prepayment intelligent water meter | |
| CN203415042U (en) | Intelligent IC (integrated circuit) card prepayment water meter | |
| CN202120056U (en) | Intelligent water meter controller of card type used for self-prepared well | |
| CN204596020U (en) | A kind of gas meter movement circuit supporting remote meter reading and IC-card | |
| CN202563598U (en) | Non-contact IC (Integrated Circuit) card type mechanical film type gas meter and control system thereof | |
| CN208736906U (en) | Multifunctional intellectual ammeter | |
| CN202067343U (en) | Photovoltaic power-supply prepaid intelligent water meter | |
| CN204575159U (en) | A kind of gas meter, flow meter supporting remote transmission function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |
|
| CX01 | Expiry of patent term |