CN204731886U - A kind of gas meter, flow meter supporting IC-card - Google Patents
A kind of gas meter, flow meter supporting IC-card Download PDFInfo
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- CN204731886U CN204731886U CN201520331413.8U CN201520331413U CN204731886U CN 204731886 U CN204731886 U CN 204731886U CN 201520331413 U CN201520331413 U CN 201520331413U CN 204731886 U CN204731886 U CN 204731886U
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- flow meter
- main control
- control unit
- gas meter
- card
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Abstract
The utility model discloses a kind of gas meter, flow meter supporting IC-card, it comprises main control unit, magnetic interference testing circuit, motor valve and IC-card plate, master control system is connected with metering units, main control unit is connected with motor valve by motor valve Drive and Control Circuit, main control unit is by IC-card control circuit and IC-card plate, and main control unit is connected with gas meter, flow meter base table by magnetic interference testing circuit; It also comprises the metering units, key press detecting circuit, alarm unit and the display unit that are all connected with main control unit, and main control unit is connected with gas meter, flow meter button by this key press detecting circuit; Described IC-card plate is provided with IC-card interface, data-carrier store and accounting module.The utility model has antimagnetic interference function, when magnetic interference testing circuit detects 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, cut off air feed, when all tongue tubes are all in normally open, gas meter, flow meter opens motor valve more automatically, starts air feed.
Description
Technical field
The utility model relates to gas meter, flow meter field, particularly relates to a kind of gas meter, flow meter supporting 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, provides a kind of gas meter, flow meter supporting IC-card, overcomes the difficulty such as magnetic interference and Anti-dismantling.
The purpose of this utility model is achieved through the following technical solutions: a kind of gas meter, flow meter supporting IC-card, it comprises main control unit, magnetic interference testing circuit, motor valve and IC-card plate, master control system is connected with metering units, main control unit is connected with motor valve by motor valve Drive and Control Circuit, main control unit is by IC-card control circuit and IC-card plate, and main control unit is connected with gas meter, flow meter base table by magnetic interference testing circuit.
The utility model also comprises the metering units, key press detecting circuit, alarm unit and the display unit that are all connected with main control unit, and main control unit is connected with gas meter, flow meter button by this key press detecting circuit.
Described IC-card plate is provided with IC-card interface, data-carrier store and accounting module.
Described magnetic interference testing circuit comprises the tongue tube of one or more parallel connection.
Described main control unit comprises PIC16F1947 process chip.
Described accounting module comprises PSAM module and ESAM module.
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 main control unit.
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 main control unit.
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) the utility model has antimagnetic interference function, be provided with the tongue tube of one or more parallel connection, when magnetic interference testing circuit detects 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.
2) 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.
3) 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, flow meter supporting IC-card, it comprises main control unit, magnetic interference testing circuit, motor valve and IC-card plate, master control system is connected with metering units, main control unit is connected with motor valve by motor valve Drive and Control Circuit, main control unit is by IC-card control circuit and IC-card plate, and main control unit is connected with gas meter, flow meter base table by magnetic interference testing circuit.
Described magnetic interference testing circuit comprises the tongue tube of one or more parallel connection.The magnetic interference testing circuit set up in the utility model, the utility model is made to have antimagnetic interference function, when magnetic interference testing circuit detects 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 the metering units, key press detecting circuit, alarm unit and the display unit that are all connected with main control unit, and main control unit is connected with gas meter, flow meter button by this key press detecting circuit.Described alarm unit comprises hummer, and 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 interface, data-carrier store and accounting module.Described accounting module comprises PSAM module and ESAM module.
Described main control unit 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 main control unit.
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 main control unit.
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 main control unit, gas meter, flow meter can not be reused to main control unit.
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 (9)
1. support the gas meter, flow meter of IC-card for one kind, it is characterized in that: it comprises main control unit, magnetic interference testing circuit, motor valve and IC-card plate, master control system is connected with metering units, main control unit is connected with motor valve by motor valve Drive and Control Circuit, main control unit is by IC-card control circuit and IC-card plate, and main control unit is connected with gas meter, flow meter base table by magnetic interference testing circuit;
It also comprises the metering units, key press detecting circuit, alarm unit and the display unit that are all connected with main control unit, and main control unit is connected with gas meter, flow meter button by this key press detecting circuit;
Described IC-card plate is provided with IC-card interface, data-carrier store and accounting module.
2. a kind of gas meter, flow meter supporting IC-card according to claim 1, is characterized in that: described magnetic interference testing circuit comprises the tongue tube of one or more parallel connection.
3. a kind of gas meter, flow meter supporting IC-card according to claim 1, is characterized in that: described main control unit comprises PIC16F1947 process chip.
4. a kind of gas meter, flow meter supporting IC-card according to claim 1, is characterized in that: described accounting module comprises PSAM module and ESAM module.
5. a kind of gas meter, flow meter supporting IC-card according to claim 1, is characterized in that: it also comprises the dry battery power of powering for each functional module of gas meter, flow meter.
6. a kind of gas meter, flow meter supporting IC-card according to claim 1, is characterized in that: it also comprises the voltage detecting circuit for detecting supply voltage, and voltage detecting circuit is connected with main control unit.
7. a kind of gas meter, flow meter supporting 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.
8. a kind of gas meter, flow meter supporting IC-card according to claim 7, is characterized in that: described Anti-dismantling module is also provided with the booster circuit be connected with main control unit.
9. a kind of gas meter, flow meter supporting IC-card according to claim 7, 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 |
|---|---|---|---|
| CN201520331413.8U CN204731886U (en) | 2015-05-21 | 2015-05-21 | A kind of gas meter, flow meter supporting IC-card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331413.8U CN204731886U (en) | 2015-05-21 | 2015-05-21 | A kind of gas meter, flow meter supporting IC-card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731886U true CN204731886U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520331413.8U Active CN204731886U (en) | 2015-05-21 | 2015-05-21 | A kind of gas meter, flow meter supporting IC-card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204731886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108280897A (en) * | 2018-02-06 | 2018-07-13 | 深圳市物语智联科技有限公司 | A kind of tamper unloading system based on image identification system |
-
2015
- 2015-05-21 CN CN201520331413.8U patent/CN204731886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108280897A (en) * | 2018-02-06 | 2018-07-13 | 深圳市物语智联科技有限公司 | A kind of tamper unloading system based on image identification system |
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Legal Events
| 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. |