CN205102871U - Photoelectric direct -reading water meter - Google Patents
Photoelectric direct -reading water meter Download PDFInfo
- Publication number
- CN205102871U CN205102871U CN201520875490.XU CN201520875490U CN205102871U CN 205102871 U CN205102871 U CN 205102871U CN 201520875490 U CN201520875490 U CN 201520875490U CN 205102871 U CN205102871 U CN 205102871U
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- China
- Prior art keywords
- microcontroller
- water meter
- photoelectric direct
- character wheel
- reading water
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- 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.)
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Abstract
The utility model discloses a photoelectric direct -reading water meter, it includes the water gauge base table, the character wheel of water gauge base table is connected with photoelectricity sampling module, microcontroller is connected to photoelectricity sampling module, microcontroller is connected with MBUS communication module, the CMOS flash memory singlechip PIC16F690 of microcontroller for supporting multi -protocols. The utility model discloses a photoelectric direct -reading water meter, the microcontroller that it used supports multiple communication protocol commonly used, has simplified production processes, has reduced manufacturing cost, administrative cost and maintenance cost.
Description
Technical field
The utility model relates to energy consumption measure table field, particularly relates to a kind of photoelectric direct-reading water meter.
Background technology
Along with the development of water utilities remote automatic meter reading industry, to the demand more and more diversity of photoelectric direct-reading water meter communication protocol, mainly contain the communication protocols such as DL/T645-1997, DL/T645-2007, CJ/T188-2004 at present.For the diversified demand of communication protocol, the common way of current photoelectric direct-reading water meter producer writes different programs for different communication protocol, program version corresponding according to customer requirement burning during production.This mode adds production cost and handling cost, is unfavorable for later maintenance.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of photoelectric direct-reading water meter, is intended to solve the problem such as its production cost of existing photoelectric direct-reading water meter, handling cost height.
The technical solution of the utility model is as follows:
A kind of photoelectric direct-reading water meter, wherein, comprise essentic-water-meter, the character wheel of described essentic-water-meter is connected with photoelectricity sampling module, described photoelectricity sampling model calling microcontroller, described microcontroller is connected with MBUS communication module, and described microcontroller is the CMOS flash memory single-chip microcomputer PIC16F690 supporting multi-protocols.
Described photoelectric direct-reading water meter, wherein, the pcb board on the left of character wheel welds 5 photoemission cells, the pcb board on the right side of character wheel welds 5 photoelectric receiving tubes.
Described photoelectric direct-reading water meter, wherein, described character wheel is provided with 4 readings.
Beneficial effect: the utility model makes photoelectric direct-reading water meter support the communication protocol commonly used simultaneously, simplifies production link, reduces production cost, handling cost and maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of photoelectric direct-reading water meter preferred embodiment of the utility model.
Embodiment
The utility model provides a kind of photoelectric direct-reading water meter, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is the structured flowchart of a kind of photoelectric direct-reading water meter preferred embodiment of the utility model, as shown in the figure, it comprises essentic-water-meter 300, the character wheel of described essentic-water-meter 300 is connected with photoelectricity sampling module 200, described photoelectricity sampling module 200 connects microcontroller 100, and described microcontroller 100 is connected with MBUS communication module 400, and described microcontroller 100 is the CMOS flash memory single-chip microcomputer PIC16F690 supporting multi-protocols.
Wherein, photoelectricity sampling module 200 adopts photoelectricity correlation principle, 4 character wheel readings of can sampling (namely character wheel is provided with 4 readings).Fan-shaped light hole is had in the middle of character wheel, pcb board on the left of character wheel welds 5 photoemission cells, pcb board on the right side of character wheel welds 5 photoelectric receiving tubes, during sampling, photoemission cell is luminous, and photoelectric receiving tube carries out digitized processing, formation binary code 0 and 1 according to whether receiving light, 5 photoelectric receiving tubes form 5 binary codes, table look-up and can draw current character wheel reading.
Described microcontroller 100 is the CMOS flash memory single-chip microcomputer PIC16F690 based on nanowatt technology.Wherein, microcontroller PIC16F690 is MICROCHIP company 20 pin, 8 CMOS flash memory single-chip microcomputers based on nanowatt technology.This chip operation has following characteristics: voltage range wide (2.0V ~ 5.5V), and system power dissipation is low, and working current representative value is 11uA32kHz, 2.0V; The FLASH program storage of 4K, the data-carrier store of 256 bytes; Accurate inside carries oscillator, be calibrated to when dispatching from the factory ± 1%, software-selectable selects frequency range 32kHz ~ 8MHz; With the under-voltage reset that software control is selected; The low current house dog timing dog of enhancement mode; High-durability flash memory/EEPROM memory cell, the resistance to number of times of writing of flash memory reaches 100,000 time, and the resistance to number of times of writing of EEPROM reaches 1,000,000 time; Flash memory/EEPROM data retention period is greater than 40 years.
In sum, photoelectric direct-reading water meter of the present utility model can support multiple conventional communication protocol (such as DL/T645-2007 agreement, DL/T645-1997 agreement or CJ/T188-2004 agreement) simultaneously, simplify production link, reduce production cost, handling cost and maintenance cost.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (3)
1. a photoelectric direct-reading water meter, it is characterized in that, comprise essentic-water-meter, the character wheel of described essentic-water-meter is connected with photoelectricity sampling module, described photoelectricity sampling model calling microcontroller, described microcontroller is connected with MBUS communication module, and described microcontroller is the CMOS flash memory single-chip microcomputer PIC16F690 supporting multi-protocols.
2. photoelectric direct-reading water meter according to claim 1, is characterized in that, the pcb board on the left of character wheel welds 5 photoemission cells, and the pcb board on the right side of character wheel welds 5 photoelectric receiving tubes.
3. photoelectric direct-reading water meter according to claim 1, is characterized in that, described character wheel is provided with 4 readings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875490.XU CN205102871U (en) | 2015-11-05 | 2015-11-05 | Photoelectric direct -reading water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875490.XU CN205102871U (en) | 2015-11-05 | 2015-11-05 | Photoelectric direct -reading water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205102871U true CN205102871U (en) | 2016-03-23 |
Family
ID=55518648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520875490.XU Expired - Fee Related CN205102871U (en) | 2015-11-05 | 2015-11-05 | Photoelectric direct -reading water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205102871U (en) |
-
2015
- 2015-11-05 CN CN201520875490.XU patent/CN205102871U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518040 Guangdong Province, Shenzhen New District of Longhua City, Dalang Street (Chang Yi Li Rong Lu Guoyue industrial area) Industrial Park building, 3 floor area 303 2 Patentee after: SHENZHEN SYZY TECHNOLOGY CO., LTD. Address before: 518040 Guangdong city of Shenzhen province Futian District Che Kung Temple Tairan Industrial Zone 212 211 Patentee before: SHENZHEN SYZY TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20201105 |