CN204596020U - A kind of gas meter movement circuit supporting remote meter reading and IC-card - Google Patents
A kind of gas meter movement circuit supporting remote meter reading and IC-card Download PDFInfo
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- CN204596020U CN204596020U CN201520331497.5U CN201520331497U CN204596020U CN 204596020 U CN204596020 U CN 204596020U CN 201520331497 U CN201520331497 U CN 201520331497U CN 204596020 U CN204596020 U CN 204596020U
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Abstract
The utility model discloses a kind of gas meter movement circuit supporting remote meter reading and IC-card, comprise governor circuit, also comprise the IC-card communication control circuit be all connected with governor circuit, key press detecting circuit, pulse modulate circuit, display module, radio receiving transmitting module, motor valve control circuit, alarm module and real-time clock RTC module, described IC-card communication control circuit is connected with IC-card plate by IC-card communication interface, key press detecting circuit is connected with gas meter, flow meter button by key-press input port, governor circuit is connected with the antimagnetic input port of counting by pulse modulate circuit, count antimagnetic input port and the antimagnetic model calling of counting, radio receiving transmitting module is also connected with dual-mode antenna by radio-frequency front-end signal conditioning circuit, motor valve control circuit is connected with motor valve by Electric Machine Control output port.The utility model adopts a governor circuit to carry out the IC-card of control and management simultaneously plate and communicates with wireless remote transmission, effectively simplifies circuit, reduces volume and cost, reduce gas meter, flow meter power consumption.
Description
Technical field
The utility model relates to gas meter, flow meter field, particularly relates to a kind of gas meter movement circuit supporting remote meter reading and IC-card.
Background technology
IC-card prepayment diaphragm gas meter (hereinafter referred to as gas meter, flow meter) is a kind of intelligent pre-payment type flow-meter, be applicable to the flow accumulation metering of the flammable makings such as rock gas, liquefied gas, Town Gas that pressure limit is (0.5-20) kPa, and can pre-payment management be realized.Various different specification can be widely used in urban household.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of gas meter movement circuit supporting remote meter reading and IC-card is provided, overcome the difficulty such as magnetic interference and Anti-dismantling, and the while of adopting a governor circuit, control and management IC-card plate communicates with wireless remote transmission.
The purpose of this utility model is achieved through the following technical solutions: a kind of gas meter movement circuit supporting remote meter reading and IC-card, it comprise for while the control and management IC-card plate governor circuit that communicates with wireless remote transmission, also comprise the IC-card communication control circuit be all connected with governor circuit, key press detecting circuit, pulse modulate circuit, display module, radio receiving transmitting module, motor valve control circuit, alarm module and real-time clock RTC module, described IC-card communication control circuit is connected with IC-card plate by IC-card communication interface, key press detecting circuit is connected with gas meter, flow meter button by key-press input port, governor circuit is connected with the antimagnetic input port of counting by pulse modulate circuit, count antimagnetic input port and the antimagnetic model calling of counting, radio receiving transmitting module is also connected with dual-mode antenna by radio-frequency front-end signal conditioning circuit, motor valve control circuit is connected with motor valve by Electric Machine Control output port.
The antimagnetic module of described counting comprises the tongue tube of one or more parallel connection.
Described radio receiving transmitting module comprises Si4432 chip.
Described real-time clock RTC module comprises S3C2410 chip.
It also comprises battery and power supply conditioning mu balanced circuit, and described battery is connected with governor circuit by power supply conditioning mu balanced circuit, and power supply conditioning mu balanced circuit is also connected with governor circuit by low pressure power-fail detection circuit.
Also be provided with Anti-dismantling module in described gas meter, flow meter, described Anti-dismantling module comprises one or more the combination in infrared distance measuring module, sensing contact detection module and photosensitive detection module.
Described Anti-dismantling module is also provided with the booster circuit be connected with governor circuit.
Described Anti-dismantling module is also provided with independently charging circuit and rechargeable battery, for being Anti-dismantling module for power supply.
The beneficial effects of the utility model are:
1) while that the utility model adopting a governor circuit, control and management IC-card plate communicates with wireless remote transmission, effective minimizing circuit structure, reduce volume and the production cost of gas meter, flow meter, reduce the power consumption of gas meter, flow meter, more importantly, increase the reliability of equipment, reduce the failure rate of gas meter, flow meter, extend power supply serviceable life.
2) the utility model has antimagnetic interference function, be provided with the tongue tube of one or more parallel connection, when counting antimagnetic module and detecting that external magnetic field disturbs, namely when any one or more tongue tube is in closure state, gas meter, flow meter can automatic disable motor valve, cuts off air feed, when all tongue tubes are all in normally open, gas meter, flow meter opens motor valve more automatically, starts air feed.
3) the utility model has Anti-dismantling circuit, prevent user from illegally dismantling this gas meter, flow meter by one or more sensors in optical sensor, range sensor and feeler, three kinds of illegal dismounting information such as light signal, vertical range, contact relation can be gathered simultaneously, tamper mode is various, and mutually makes up the defect of himself.
4) Anti-dismantling circuit has independently power supply, ensures that the utility model is not when powering on, and also has Anti-dismantling defencive function.And this independent current source is rechargeable battery, when the utility model powers on, Anti-dismantling circuit is rechargeable battery charging by charging circuit immediately, makes Anti-dismantling circuit can effective continuous service.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the utility model gas meter, flow meter.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of gas meter movement circuit supporting remote meter reading and IC-card, it comprise for while the control and management IC-card plate governor circuit that communicates with wireless remote transmission, also comprise the IC-card communication control circuit be all connected with governor circuit, key press detecting circuit, pulse modulate circuit, display module, radio receiving transmitting module, motor valve control circuit, alarm module and real-time clock RTC module, described IC-card communication control circuit is connected with IC-card plate by IC-card communication interface, key press detecting circuit is connected with gas meter, flow meter button by key-press input port, governor circuit is connected with the antimagnetic input port of counting by pulse modulate circuit, count antimagnetic input port and the antimagnetic model calling of counting, radio receiving transmitting module is also connected with dual-mode antenna by radio-frequency front-end signal conditioning circuit, motor valve control circuit is connected with motor valve by Electric Machine Control output port.
The antimagnetic module of described counting comprises the tongue tube of one or more parallel connection.The antimagnetic module of the counting set up in the utility model, the utility model is made to have antimagnetic interference function, when counting antimagnetic module and detecting that external magnetic field disturbs, namely when any one or more tongue tube is in closure state, gas meter, flow meter can automatic disable motor valve, cuts off air feed, when all tongue tubes are all in normally open, gas meter, flow meter opens motor valve more automatically, starts air feed.
The utility model also comprises alarm unit, described alarm unit comprises hummer, described display unit can select 8 LCD MODULE, shows the tolerance data of gas meter, flow meter and the character reminding of related status information, makes user more intuitive and convenient can must read gas meter, flow meter data and information.
Described IC-card plate is provided with IC-card slot, data-carrier store and accounting module.Described accounting module comprises PSAM module and ESAM module.
Described governor circuit comprises PIC16F1947 process chip.
The utility model also comprises the dry battery power of powering for each functional module of gas meter, flow meter.
The utility model also comprises the voltage detecting circuit for detecting supply voltage, and voltage detecting circuit is connected with governor circuit.
Also be provided with Anti-dismantling module in described gas meter, flow meter, described Anti-dismantling module comprises one or more the combination in infrared distance measuring module, sensing contact detection module and photosensitive detection module.Described Anti-dismantling module is also provided with the booster circuit be connected with governor circuit.
Described Anti-dismantling module is also provided with independently charging circuit and rechargeable battery, for being Anti-dismantling module for power supply, when avoiding gas meter, flow meter dead battery capability or take out gas meter, flow meter battery, and Anti-dismantling Module Fail.
Infrared distance measuring module comprises range sensor, for detecting the distance values between himself and Distance positioning point; Sensing contact detection module comprises feeler, for detecting the contact relation between himself and contact point; Photosensitive detection module comprises light sensor, for detecting the light signal strength in gas meter, flow meter.
Whether the utility model can adopt three kinds of sensors such as light sensor, range sensor and feeler illegally to be dismantled to detect gas meter, flow meter simultaneously, three kinds of illegal dismounting information such as light signal, air line distance, contact relation can be gathered simultaneously, tamper mode is various, and mutually makes up the defect of himself.Range sensor and feeler can overcome unauthorized person when carrying out disassembling section in darkroom, the problem that optical sensor may lose efficacy; Feeler can overcome unauthorized person when adopting the means of parallel dismounting, the problem that range sensor may lose efficacy; When range sensor can overcome the means of unauthorized person employing vertical direction dismounting, the problem that feeler may lose efficacy.
When described distance values or light signal strength are higher than certain threshold value, alarm unit is reported to the police, and by booster circuit, provides high pressure, burn governor circuit, gas meter, flow meter can not be reused to governor circuit.
When sensor or tongue tube is disturbed, damage, when battery electric quantity is too low, gas meter, flow meter can be pointed out in the mode of liquid crystal display and audible alarm.
Claims (8)
1. support the gas meter movement circuit of remote meter reading and IC-card for one kind, it is characterized in that: it comprise for while the control and management IC-card plate governor circuit that communicates with wireless remote transmission, also comprise the IC-card communication control circuit be all connected with governor circuit, key press detecting circuit, pulse modulate circuit, display module, radio receiving transmitting module, motor valve control circuit, alarm module and real-time clock RTC module, described IC-card communication control circuit is connected with IC-card plate by IC-card communication interface, key press detecting circuit is connected with gas meter, flow meter button by key-press input port, governor circuit is connected with the antimagnetic input port of counting by pulse modulate circuit, count antimagnetic input port and the antimagnetic model calling of counting, radio receiving transmitting module is also connected with dual-mode antenna by radio-frequency front-end signal conditioning circuit, motor valve control circuit is connected with motor valve by Electric Machine Control output port.
2. a kind of gas meter movement circuit supporting remote meter reading and IC-card according to claim 1, is characterized in that: the antimagnetic module of described counting comprises the tongue tube of one or more parallel connection.
3. a kind of gas meter movement circuit supporting remote meter reading and IC-card according to claim 1, is characterized in that: described radio receiving transmitting module comprises Si4432 chip.
4. a kind of gas meter movement circuit supporting remote meter reading and IC-card according to claim 1, is characterized in that: described real-time clock RTC module comprises S3C2410 chip.
5. a kind of gas meter movement circuit supporting remote meter reading and IC-card according to claim 1, it is characterized in that: it also comprises battery and power supply conditioning mu balanced circuit, described battery is connected with governor circuit by power supply conditioning mu balanced circuit, and power supply conditioning mu balanced circuit is also connected with governor circuit by low pressure power-fail detection circuit.
6. a kind of gas meter movement circuit supporting remote meter reading and IC-card according to claim 1, it is characterized in that: be also provided with Anti-dismantling module in described gas meter, flow meter, described Anti-dismantling module comprises one or more the combination in infrared distance measuring module, sensing contact detection module and photosensitive detection module.
7. a kind of gas meter movement circuit supporting remote meter reading and IC-card according to claim 6, is characterized in that: described Anti-dismantling module is also provided with the booster circuit be connected with governor circuit.
8. a kind of gas meter movement circuit supporting remote meter reading and IC-card according to claim 6, is characterized in that: described Anti-dismantling module is also provided with independently charging circuit and rechargeable battery, for being Anti-dismantling module for power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331497.5U CN204596020U (en) | 2015-05-21 | 2015-05-21 | A kind of gas meter movement circuit supporting remote meter reading and IC-card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331497.5U CN204596020U (en) | 2015-05-21 | 2015-05-21 | A kind of gas meter movement circuit supporting remote meter reading and IC-card |
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| Publication Number | Publication Date |
|---|---|
| CN204596020U true CN204596020U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520331497.5U Active CN204596020U (en) | 2015-05-21 | 2015-05-21 | A kind of gas meter movement circuit supporting remote meter reading and IC-card |
Country Status (1)
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| CN (1) | CN204596020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118178A (en) * | 2015-09-06 | 2015-12-02 | 成都伦力表具有限公司 | Smart gas meter capable of turning off valve under the condition of shaking |
| CN108053007A (en) * | 2018-02-06 | 2018-05-18 | 苏州连爱电子科技有限公司 | Multifunction IC card recognizes machine |
-
2015
- 2015-05-21 CN CN201520331497.5U patent/CN204596020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118178A (en) * | 2015-09-06 | 2015-12-02 | 成都伦力表具有限公司 | Smart gas meter capable of turning off valve under the condition of shaking |
| CN108053007A (en) * | 2018-02-06 | 2018-05-18 | 苏州连爱电子科技有限公司 | Multifunction IC card recognizes machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 floor, building D1, No. 199 West Avenue, Chengdu high tech Zone, Sichuan, China Patentee after: Chengdu Branch Source Technology Co. Ltd. Address before: 610000 floor, building D1, No. 199 West Avenue, Chengdu high tech Zone, Sichuan, China Patentee before: Chengdu Kang Wei makes every effort to achieve Science and Technology Ltd. |