CN2458602Y

CN2458602Y - Low-power consumption apparatus for IC card gas meter data acquisition apparatus

Info

Publication number: CN2458602Y
Application number: CN 01203152
Authority: CN
Inventors: 陈龙飞; 陈永汤; 陈龙腾
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-13
Filing date: 2001-01-13
Publication date: 2001-11-07
Anticipated expiration: 2011-01-13

Abstract

The utility model discloses a low-power consumption device for a data acquisition unit of an IC card gas meter. In the utility model, a counting driving wheel (1) is fixed with a magnetic block (5), and a waking reed switch K with a fixed position is arranged near the magnetic block; when the magnetic block is in positive alignment with the reed switch, a comparatively small included angle beta is formed between a direct light slot (4) and a data acquisition unit (2) at the part corresponding to the axial line of the counting driving wheel; the negative ends of two leading wires at the emitting end of the infrared data acquisition unit (2) are connected to the earth, and the positive ends thereof are connected with the p7.5 end of the monolithic computer CPU; one end of each of two leading wires at the receiving end of the data acquisition unit is connected with the CPU end and the TCC end of the monolithic computer; the waking reed switch K is connected between the p6.0 end of the monolithic computer CPU and an earth wire. The utility model realizes the ultralow power consumption of the data acquisition unit of the IC card gas meter.

Description

The low power consumption device of IC-card gas meter, flow meter data acquisition unit

The utility model relates to a kind of IC-card gas meter, flow meter, particularly a kind of data acquisition unit of IC-card gas meter, flow meter.

The data acquisition unit of IC-card gas meter, flow meter has two kinds of infrared reflection and infrared direct-injection types.The infrared reflection data acquisition unit is a kind of structure that generally adopts both at home and abroad at present, have a reflecting piece below its counting power wheel, when counting power wheel band reflector and is forwarded infrared data ' s acquisition device position to, the infrared reflection that reflecting piece is sent infrared transmitter is to receiver, make count pulse of receiver output, the defective of this structure is: at first it is that reflection receives, therefore the output power of infrared transmitter is bigger, count one week of power wheel rotation in addition and just export a count pulse, but reflecting piece is when other position of reflected infrared not, infrared transmitter is being worked always, the electric energy that consume this moment is exactly an idle work, so it is not suitable for the requirement of IC-card gas meter, flow meter powered battery super low-power consumption.The infrared direct-injection type data acquisition unit of IC-card gas meter, flow meter is a kind of brand new (having declared patent) that the inventor invents, and its structure is: the lower end of counting power wheel is fixedly connected with a coaxial shadow shield, and the outer edge of shadow shield has a direct light groove; The be placed in upper and lower of a receiver and groove is arranged in the middle of infrared emission end in the infrared data ' s acquisition device and infrared receiving end, shadow shield is entrenched in the groove of infrared emission receiver non-contactly.When the direct light groove on the shadow shield forwards the groove location of infrared data ' s acquisition device to, the infrared ray that infrared emission end in the infrared collector sends is received the back by infrared receiving end and gives the output of gas meter, flow meter counting circuit a count pulse, though it adopts the direct projection receive mode can save the part electric energy, but, can not make IC-card gas meter, flow meter data acquisition unit realize super low-power consumption as do not solve the problem that the direct light groove is worked and consumed energy at other position infrared data ' s acquisition device always.

The purpose of this utility model will provide a kind of suitable powered battery occasion exactly, makes IC-card gas meter, flow meter data acquisition unit realize the device of super low-power consumption.

The utility model adopts technical scheme as described below for achieving the above object: the low power consumption device of IC-card gas meter, flow meter data acquisition unit, it comprises a counting power wheel, infrared data ' s acquisition device and singlechip CPU, the lower end of counting power wheel is fixedly connected with a reflecting piece or a coaxial shadow shield, counting is fixed with a permanent magnetic patch on the power wheel, near the place of counting power wheel one stationkeeping arranged with the corresponding tongue tube K that wakes up that changes of magnetic patch; When magnetic patch with change wake up tongue tube K over against the time, numerical value with respect to the angle β of counting power wheel axis between direct light groove or reflecting piece and the infrared data ' s acquisition device is spent between 20 degree 5, and magnetic patch near time of tongue tube K always before reflector or direct light groove are near the infrared data ' s acquisition device; Two its negativing ending groundings of lead-in wire of transmitting terminal in the infrared data ' s acquisition device, its anode connects the p7.5 end of singlechip CPU, the TCC end of two lead-in wires, the one termination single-chip microcomputer of the receiving end of infrared data ' s acquisition device, this end also is connected to direct supply VCC by resistance R 1, change the end ground connection of tongue tube K of waking up, the other end also is connected to the P6.0 end of singlechip CPU except that through resistance R 2 meets direct supply VCC.

It is work like this: magnetic patch rotates with the counting power wheel, when magnetic patch during not near tongue tube K, the p6.0 end of singlechip CPU is high level, the p7.5 end is low level, the transmitting terminal no power of infrared data ' s acquisition device, have only when magnetic patch during near tongue tube K, tongue tube K conducting, the p6.0 end of singlechip CPU is low level, the p7.5 end becomes high level, and the infrared data ' s acquisition device is changed awake, and counting is waited in its transmitting terminal energising, this moment, reflector or direct light groove forwarded infrared data ' s acquisition device position to, its receiving end receives infrared light and carries a count pulse to the Tcc of singlechip CPU end, and at the same time, singlechip CPU is changed to low level with its p7.5 end again, go round and begin again the moving circulation of order like this.

The utility model of employing said structure is simple in structure, design is ingenious, and the energising cycle of infrared data ' s acquisition device is only rotated all used time for the counting power wheel 5%-10% has saved electric energy greatly, has realized the super low-power consumption of IC-card gas meter, flow meter data acquisition unit.

Below in conjunction with accompanying drawing the utility model is described in detail.

Fig. 1 is a vertical view of the present utility model.

Fig. 2 is circuit theory diagrams of the present utility model.

Fig. 3 is the structural representation of another embodiment of the utility model.

With reference to Fig. 1, Fig. 2.This embodiment is the low power consumption device of the infrared direct-injection type data acquisition unit of IC-card gas meter, flow meter, it comprises a counting power wheel 1, an infrared data ' s acquisition device 2 and a singlechip CPU, the lower end of counting power wheel 1 is fixedly connected with a coaxial shadow shield 3, the outer edge of shadow shield has a direct light groove 4, the be placed in upper and lower of a receiver and groove is arranged in the middle of infrared emission end in the infrared data ' s acquisition device and infrared receiving end, shadow shield is entrenched in the groove of infrared emission receiver non-contactly.Also be fixed with a permanent magnet block 5 on the counting power wheel; There is waking up in reed pipe K with magnetic patch 5 corresponding changing of a stationkeeping in place near the counting power wheel; When magnetic patch 5 with change wake up tongue tube K over against the time, numerical value with respect to the angle β of counting power wheel axis between direct light groove 4 and the infrared data ' s acquisition device 2 is spent between 20 degree 5, and magnetic patch near time of tongue tube K always before the direct light groove is near infrared data ' s acquisition device 2; Its circuit structure is: two its negativing ending groundings of lead-in wire of the transmitting terminal in the infrared data ' s acquisition device 2, its anode connects the p7.5 end of singlechip CPU, the TCC end of two lead-in wires, the one termination singlechip CPU of the receiving end of infrared data ' s acquisition device 2, this end also meets direct supply VCC by resistance R 1, change the end ground connection of tongue tube K of waking up, the other end also is connected to the P6.0 end of singlechip CPU except that through resistance R 2 meets direct supply VCC.

It is work like this: magnetic patch 5 rotates with counting power wheel 1, when magnetic patch 5 during not near tongue tube K, the p6.0 end of singlechip CPU is high level, the p7.5 end is low level, the transmitting terminal no power of infrared data ' s acquisition device 2, have only when magnetic patch during near tongue tube K, tongue tube K conducting, the p6.0 end of singlechip CPU is low level, the p7.5 end becomes high level, and the infrared data ' s acquisition device is changed awake, and counting is waited in its transmitting terminal energising, direct light groove 4 forwards infrared data ' s acquisition device position at this moment, its receiving end receives infrared light and carries a count pulse to the Tcc of singlechip CPU end, and at the same time, singlechip CPU is changed to low level with its p7.5 end again, go round and begin again Automatic Cycle like this.Numerical value with respect to the angle β of counting power wheel axis between direct light groove 4 and the infrared data ' s acquisition device 2 can also be 5 degree or 6 degree or 7 degree or 8 degree or 9 degree or 10 degree or 11 degree or 12 degree or 13 degree or 14 degree or 15 degree or 16 degree or 17 degree or 18 degree or 19 degree, the energising cycle of infrared data ' s acquisition device is only rotated the 5%-10% of all used time for the counting power wheel like this, has saved electric energy greatly.

With reference to Fig. 2, Fig. 3.This embodiment is the low power consumption device of IC-card gas meter, flow meter infrared reflection data acquisition unit, it comprises a counting power wheel 1, an infrared data ' s acquisition device 2 and a singlechip CPU, the lower end of counting power wheel 1 is fixedly connected with a reflector 6, the infrared light that the infrared data ' s acquisition device is taked to receive reflection is exported count pulse, counting equally also is fixed with a hydromagnetic magnetic patch 5 on the power wheel, has one should put fixing and the magnetic patch 5 corresponding tongue tube K that wake up that change near the place of counting power wheel; When magnetic patch 5 with change wake up tongue tube K over against the time, numerical value with respect to the angle β of counting power wheel axis between reflector 6 and the infrared data ' s acquisition device 2 is spent between 20 degree 5, and magnetic patch near time of tongue tube K always before reflector 6 is near infrared data ' s acquisition device 2; Its circuit structure and infrared direct-injection type embodiment are identical, and its principle of work is also identical with infrared embodiment with process.Numerical value with respect to the angle β of counting power wheel axis between reflector 6 and the infrared data ' s acquisition device 2 can also be 5 degree or 6 degree or 7 degree or 8 degree or 9 degree or 10 degree or 11 degree or 12 degree or 13 degree or 14 degree or 15 degree or 16 degree or 17 degree or 18 degree or 19 degree.

Though the structure of infrared reflection data acquisition unit is not an optimal design, 90%-95% on its basis equally also can economize on electricity after the employing the technical solution of the utility model.

Claims

1, a kind of low power consumption device of IC-card gas meter, flow meter data acquisition unit, it comprises counting power wheel (1), an infrared data ' s acquisition device (2) and a singlechip CPU, the lower end of counting power wheel (1) is fixedly connected with a reflecting piece (6) or a coaxial shadow shield (3), the outer edge of shadow shield has a direct light groove (4), it is characterized in that: counting is fixed with a permanent magnet block (5) on the power wheel, near the place of counting power wheel one stationkeeping arranged with the corresponding tongue tube K that wakes up that changes of magnetic patch (5); When magnetic patch (5) with change wake up in reed pipe K over against the time, between direct light groove (4) or reflecting piece (6) and the infrared data ' s acquisition device (2) with respect to the numerical value of the angle β of counting power wheel axis 5 spend spend to 20 between; Two its negativing ending groundings of lead-in wire of transmitting terminal in the infrared data ' s acquisition device (2), its anode connects the p7.5 end of singlechip CPU, the TCC end of two lead-in wires, the one termination singlechip CPU of the receiving end of infrared data ' s acquisition device (2), this end also meets direct supply VCC by resistance R 1, change the end ground connection of tongue tube K of waking up, the other end also is connected to the P6.0 end of singlechip CPU except that through resistance R 2 meets direct supply VCC.

2, the low power consumption device of IC-card gas meter, flow meter data acquisition unit according to claim 1 is characterized in that: the numerical value with respect to the angle β that counts the power wheel axis between direct light groove (4) or reflecting piece (6) and the infrared data ' s acquisition device (2) is 10 degree.

3, the low power consumption device of IC-card gas meter, flow meter data acquisition unit according to claim 1 is characterized in that: the numerical value with respect to the angle β that counts the power wheel axis between direct light groove (4) or reflecting piece (6) and the infrared data ' s acquisition device (2) is 18 degree.

4, the low power consumption device of IC-card gas meter, flow meter data acquisition unit according to claim 1 is characterized in that: the numerical value with respect to the angle β that counts the power wheel axis between direct light groove (4) or reflecting piece (6) and the infrared data ' s acquisition device (2) is 15 degree.

5, the low power consumption device of IC-card gas meter, flow meter data acquisition unit according to claim 1 is characterized in that: the numerical value with respect to the angle β that counts the power wheel axis between direct light groove (4) or reflecting piece (6) and the infrared data ' s acquisition device (2) is 8 degree.