CN2463801Y - Data acquisition unit for IC card gas meter - Google Patents
Data acquisition unit for IC card gas meter Download PDFInfo
- Publication number
- CN2463801Y CN2463801Y CN 01202966 CN01202966U CN2463801Y CN 2463801 Y CN2463801 Y CN 2463801Y CN 01202966 CN01202966 CN 01202966 CN 01202966 U CN01202966 U CN 01202966U CN 2463801 Y CN2463801 Y CN 2463801Y
- Authority
- CN
- China
- Prior art keywords
- gas meter
- infrared emission
- infrared
- receiver
- acquisition unit
- 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 - Fee Related
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Abstract
The utility model discloses a gas meter with an IC card, particularly a data acquisition unit for a gas meter with an IC card. The utility model comprises a counting driving wheel (1) and an infrared emission receiver (2), wherein, the lower end of the counting driving wheel is fixedly connected with a coaxial light screen (3), and the outer edge of the light screen is provided with a direct light slot (4); an infrared emitting end and an infrared receiving end in the infrared emission receiver (2) are respectively arranged on the upper and the lower parts of the receiver, and the middle part thereof is provided with a groove; the light screen is embedded in the groove of the infrared emission receiver in a non-contact way. The utility model has the advantages of novel structure, unique design, accurate counting, and long-term stable operation.
Description
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 adopts tongue tube sampling structure or infrared reflection sampling structure mostly both at home and abroad.The tongue tube sampling structure is to be fixed with a permanent magnet block on the counting power wheel, one tongue tube is arranged near the magnetic patch, the counting power wheel drives magnetic patch and rotates together, when magnetic patch forwards near the tongue tube position, make the tongue tube adhesive, count for pulse of counting circuit of gas meter, flow meter, but in the tongue tube a kind of mechanical contact mode, therefore in its adhesive and disconnection process, seeing on macroscopic view, is one time 0 or 1 action, but be to shake and the pulse train signal of formation continuously on the microcosmic, this unpurified count pulse often makes the counting circuit error count, so sampling precision is difficult to guarantee; And the infrared reflection sampling structure is to utilize infrared reflection that a reflector sends infrared transmitter to receiver, though this structure can solve the jitter problem of switch with mechanical contact, but because of it is that reflection receives, therefore the output power of infrared transmitter is bigger, be not suitable for the battery powered occasion of IC-card gas meter, flow meter, if the time one is long in addition, after adhering to dust on the reflector, reflection efficiency will reduce, job insecurity, therefore counting also error can occur, and the counting degree of accuracy also is its difficult problem that need overcome.
The purpose of this utility model just provides a kind of simple in structure, counting degree of accuracy height, stable and reliable operation IC-card gas meter, flow meter data acquisition unit.
The utility model adopts technical scheme as described below for achieving the above object: IC-card gas meter, flow meter data acquisition unit comprises a counting power wheel and an infrared emission receiver, 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 emission receiver and infrared receiving end, shadow shield is entrenched in the groove of infrared emission receiver non-contactly.After being received by infrared receiving end, to give the infrared ray that infrared emission end in the infrared emission receiver sends the output of gas meter, flow meter counting circuit a count pulse, during the work of IC-card gas meter, flow meter, the counting power wheel drives shadow shield and rotates, have only when the direct light groove on the shadow shield forwards the groove location of infrared emission receiver to, the infrared emission receiver is just outwards exported a count pulse.
IC-card gas meter, flow meter data acquisition unit novel structure, the design of employing said structure is unique, counting is accurate, long-term work is reliable and stable, and realize the low-power consumption power supply for the IC-card gas meter, flow meter and laid the basis on the hardware in the design of IC-card gas meter, flow meter data acquisition unit, to have landmark meaning.
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 a cross-sectional schematic of the present utility model.
With reference to Fig. 1, Fig. 2.IC-card gas meter, flow meter data acquisition unit comprises a counting power wheel 1 and an infrared emission receiver 2, and the lower end of counting power wheel 1 is fixedly connected with a coaxial shadow shield 3, and 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 emission receiver 2 and infrared receiving end, shadow shield is entrenched in the groove of infrared emission receiver non-contactly.After being received by infrared receiving end, to give the infrared ray that infrared emission end in the infrared emission receiver sends the output of gas meter, flow meter counting circuit a count pulse.
During the work of IC-card gas meter, flow meter, counting power wheel 1 drives shadow shield 3 and rotates, and has only when the direct light groove 4 on the shadow shield forwards the groove location of infrared emission receiver to, and the infrared emission receiver is just outwards exported a count pulse.
Claims (1)
1, a kind of IC-card gas meter, flow meter data acquisition unit, it comprises a counting power wheel (1), an infrared emission receiver (2), it is characterized in that: the lower end of counting power wheel (1) is fixedly connected with a coaxial shadow shield (3), and 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 emission receiver (2) and infrared receiving end, shadow shield is entrenched in the groove of infrared emission receiver non-contactly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01202966 CN2463801Y (en) | 2001-01-13 | 2001-01-13 | Data acquisition unit for IC card gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01202966 CN2463801Y (en) | 2001-01-13 | 2001-01-13 | Data acquisition unit for IC card gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2463801Y true CN2463801Y (en) | 2001-12-05 |
Family
ID=33624604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01202966 Expired - Fee Related CN2463801Y (en) | 2001-01-13 | 2001-01-13 | Data acquisition unit for IC card gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2463801Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464166C (en) * | 2006-09-26 | 2009-02-25 | 重庆前卫克罗姆表业有限责任公司 | Grating electronic counting pulse generator for fine gas meter |
-
2001
- 2001-01-13 CN CN 01202966 patent/CN2463801Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464166C (en) * | 2006-09-26 | 2009-02-25 | 重庆前卫克罗姆表业有限责任公司 | Grating electronic counting pulse generator for fine gas meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |