CN202349350U - Valve driving module of IC (Integrated Circuit) card intelligent membrane type gas meter control circuit - Google Patents
Valve driving module of IC (Integrated Circuit) card intelligent membrane type gas meter control circuit Download PDFInfo
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- CN202349350U CN202349350U CN2011205368420U CN201120536842U CN202349350U CN 202349350 U CN202349350 U CN 202349350U CN 2011205368420 U CN2011205368420 U CN 2011205368420U CN 201120536842 U CN201120536842 U CN 201120536842U CN 202349350 U CN202349350 U CN 202349350U
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- triode
- driving module
- collector electrode
- resistance
- valve driving
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Abstract
The utility model discloses a valve driving module of an IC (Integrated Circuit) card intelligent membrane type gas meter control circuit. The valve driving module comprises a triode Q1, a triode Q2, a triode Q3 and a triode Q4, wherein a collector of the triode Q1 is connected with a collector of the triode Q2 and is connected with a base of the triode Q3; a collector of the triode Q3 is connected with a collector of the triode Q4 and is connected with a base of the triode Q1; a connection point of the collectors of the triode Q1 and the triode Q2 is connected with a motor valve; a connection point of the collectors of the triode Q3 and the triode Q4 is connected with the motor valve; a base of the triode Q2 is connected with a P2.0 interface of a singlechip; and a base of the triode Q4 is connected with a P2.1 interface of the singlechip. Compared with the conventional motor valve driving module, two triodes are saved, the circuit structure is simplified, the cost is reduced by 30 percent, and the failure rate is reduced.
Description
Technical field
The utility model relates to IC-card intelligence diaphragm gas meter control circuit, is specifically related to the valve driving module of IC-card intelligence diaphragm gas meter control circuit.
Background technique
The valve driving module of IC-card intelligence diaphragm gas meter control motor commonly used is as shown in Figure 3; Its working principle is following: the end of resistance R 12 and R13 is connected to the I/O mouth of single-chip microcomputer respectively; When the I/O of single-chip microcomputer mouth P2.0 output high level, P2.1 output low level; The positive turn-off of motor valve that is connected to X1 opens, otherwise when the I/O of single-chip microcomputer mouth P2.0 output low level, P2.1 output high level, the motor valve counter-rotating that is connected to X1 is closed.This circuit is by six triodes, nine resistance, and two reference diodes and an electric capacity are formed, and structure is complicated, and used device is more, and cost is higher, and rate of fault is higher.
Summary of the invention
The purpose of the utility model provides a kind of valve driving module of IC-card intelligence diaphragm gas meter control circuit, and this circuit structure is simple, can reduce cost and rate of fault.
The valve driving module of the described a kind of IC-card intelligence diaphragm gas meter control circuit of the utility model, said valve driving module comprises triode Q1, triode Q2, triode Q3, triode Q4, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5 and capacitor C;
The physical circuit of said valve driving module connects as follows:
The tie point of the emitter of triode Q1 and the emitter of triode Q3 is connected with power vd D, and the emitter of the emitter of triode Q2 and triode Q4 is ground connection respectively;
The collector electrode of triode Q1 is connected with the collector electrode of triode Q2, and is connected through the base stage of resistance R 2 with triode Q3;
The collector electrode of triode Q3 is connected with the collector electrode of triode Q4, and is connected through the base stage of resistance R 1 with triode Q1;
The tie point of the collector electrode of triode Q1 and the collector electrode of triode Q2 is connected with the motor valve through resistance R 4, and the tie point of the collector electrode of triode Q3 and the collector electrode of triode Q4 is connected with the motor valve;
The base stage of triode Q2 is connected with the P2.0 interface of single-chip microcomputer through resistance R 3, and the base stage of triode Q4 is connected with the P2.1 interface of single-chip microcomputer through resistance R 5.
As preferably, said capacitor C is parallelly connected with the motor valve.
The utility model compared with prior art has the following advantages: the motor valve driver module after the improvement has reduced two triodes, three resistance and two reference diodes than motor valve driver module commonly used; Simplified circuit structure; Cost has reduced by 30%, and has reduced rate of fault.
Description of drawings
Fig. 1 is the functional-block diagram of IC-card intelligence diaphragm gas meter control circuit;
Fig. 2 is the circuit diagram of the utility model;
Fig. 3 is the circuit diagram of existing valve driving module.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
IC-card as shown in Figure 1 intelligence diaphragm gas meter control circuit, comprise be used to handle by counting sampling module sensor acquisition to pulse signal, control motor valve On/Off, read/data on the erasable IC-card sheet and the single-chip microcomputer of LCD content, count sampling module, be used for exchanges data single-chip microcomputer and the IC-card the IC-card control module, be used to show the gas meter state display modular, be used to provide various power supplys power module, be used to detect battery alarm voltage/pass threshold voltage the battery voltage detection module, be used for the valve driving module of the On/Off of motor valve valve.
The valve driving module of IC-card intelligence diaphragm gas meter control circuit as shown in Figure 2, the valve driving module comprises triode Q1, triode Q2, triode Q3, triode Q4, resistance R 3, resistance R 5, resistance R 9, resistance R 13, resistance R 17 and capacitor C; Triode Q1 and triode Q4 are the positive-negative-positive triode, and triode Q2 and triode Q5 are NPN type triode.
The physical circuit of valve driving module connects as follows:
The VDD interface of valve driving module is connected with a port of power circuit module, and the tie point of the emitter of triode Q1 and the emitter of triode Q4 is connected with power vd D, and the emitter of the emitter of triode Q2 and triode Q5 is ground connection respectively; The collector electrode of triode Q1 is connected with the collector electrode of triode Q2, and is connected through the base stage of resistance R 13 with triode Q4; The collector electrode of triode Q4 is connected with the collector electrode of triode Q5, and is connected through the base stage of resistance R 9 with triode Q1; The tie point of the collector electrode of triode Q1 and the collector electrode of triode Q2 is connected with the motor valve through resistance R 17, and the tie point of the collector electrode of triode Q4 and the collector electrode of triode Q5 is connected with the motor valve; The base stage of triode Q2 is connected with the P1.5 interface of single-chip microcomputer through resistance R 3, and the base stage of triode Q5 is connected with the P1.6 interface of single-chip microcomputer through resistance R 5, and capacitor C is parallelly connected with the motor valve.
When the I/O of single-chip microcomputer mouth P1.5 output high level, P1.6 output low level, the positive turn-off of motor valve that is connected to X1 opens; When the I/O of single-chip microcomputer mouth P1.5 output low level, P1.6 output high level, the motor valve counter-rotating that is connected to X1 is closed.
Claims (1)
1. the valve driving module of an IC-card intelligence diaphragm gas meter control circuit comprises triode Q1, triode Q2, triode Q3, triode Q4, it is characterized in that:
The tie point of the emitter of said triode Q1 and the emitter of triode Q3 is connected with power supply, and the emitter of the emitter of triode Q2 and triode Q4 is ground connection respectively;
The collector electrode of said triode Q1 is connected with the collector electrode of triode Q2, and is connected through the base stage of resistance R 2 with triode Q3;
The collector electrode of said triode Q3 is connected with the collector electrode of triode Q4, and is connected through the base stage of resistance R 1 with triode Q1;
The tie point of the collector electrode of said triode Q1 and the collector electrode of triode Q2 is connected with the motor valve through resistance R 4, and the tie point of the collector electrode of triode Q3 and the collector electrode of triode Q4 is connected with the motor valve;
The base stage of said triode Q2 is connected with the P2.0 interface of single-chip microcomputer through resistance R 3, and the base stage of triode Q4 is connected with the P2.1 interface of single-chip microcomputer through resistance R 5.
2. according to the valve driving module of the described IC-card intelligence of claim l diaphragm gas meter control circuit, it is characterized in that: said capacitor C is parallelly connected with the motor valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205368420U CN202349350U (en) | 2011-12-20 | 2011-12-20 | Valve driving module of IC (Integrated Circuit) card intelligent membrane type gas meter control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205368420U CN202349350U (en) | 2011-12-20 | 2011-12-20 | Valve driving module of IC (Integrated Circuit) card intelligent membrane type gas meter control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349350U true CN202349350U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205368420U Expired - Lifetime CN202349350U (en) | 2011-12-20 | 2011-12-20 | Valve driving module of IC (Integrated Circuit) card intelligent membrane type gas meter control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900337A (en) * | 2019-03-04 | 2019-06-18 | 湖北楚航电子科技有限公司 | A kind of gas meter, flow meter based on narrowband Internet of Things |
-
2011
- 2011-12-20 CN CN2011205368420U patent/CN202349350U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900337A (en) * | 2019-03-04 | 2019-06-18 | 湖北楚航电子科技有限公司 | A kind of gas meter, flow meter based on narrowband Internet of Things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |