CN203534641U - Photoelectric direct reading water meter - Google Patents
Photoelectric direct reading water meter Download PDFInfo
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- CN203534641U CN203534641U CN201320608402.0U CN201320608402U CN203534641U CN 203534641 U CN203534641 U CN 203534641U CN 201320608402 U CN201320608402 U CN 201320608402U CN 203534641 U CN203534641 U CN 203534641U
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Abstract
The utility model relates to a water meter, in particular to a photoelectric direct reading water meter. The photoelectric direct reading water meter comprises a meter case, a meter cover, a counting mechanism and a metering mechanism. The counting mechanism comprises a supporting plate, a sun gear shaft, a sun gear, a photoelectric module, a counter and a transparent cover. The metering mechanism comprises an impeller case, an impeller shaft, an impeller, an impeller shaft gear, an adjusting partition plate and an eccentric shaft. A magnetic ring gear is arranged on the eccentric shaft. When water current pushes the impeller to rotate, the impeller shaft gear drives the magnetic ring gear on the eccentric shaft to rotate, the magnetic ring gear is coupled with a magnetic element at the lower end of the sun gear shaft to drive the sun gear shaft to rotate, the sun gear on the sun gear shaft is meshed with a gear set on the counter to make a character wheel of the counter rotate, and then the rotated number of the character wheel is converted into an electronic reading number through the photoelectric module. Compared with a traditional dry water meter, the photoelectric direct reading water meter has the advantages that transmission stability of magnetic steel is improved, the phenomenon that metering and counting can not be conducted through the traditional dry water meter due to overload flow demagnetizing is completely eradicated, and the service life of the water meter is prolonged.
Description
Technical field
The utility model relates to a kind of water meter, specifically a kind of photoelectric direct-reading water meter of durable.
Background technology
Traditional mechanical water meter that we use at present is mainly divided into three kinds by the working environment of counter: dry-type meter, wet-type meter and liquid-sealing water meter.Wherein, wet-type meter is that its watch glass bears hydraulic pressure by the water-immersed water meter of counter, and the transmission of sensor and counter is gear-linked, and after use a period of time, the quality of water quality can affect the readability of meter reading; In addition, wet-type meter easily hazes or the globule etc. that condenses because table internal-external temperature difference causes glass below, and affects water meter copy reading.
Than wet-type meter, the counter of dry-type meter can not be immersed in the water, and the chamber of structure upper sensor and counter is isolation mutually, and Water meter glass is not subject to hydraulic pressure, and magnet steel transmission is generally used in the transmission of sensor and counter.Dry-type meter because of its counting mechanism and tested water isolated, therefore be not subject to the impact of suspended impurity in water, can guarantee the clear of the normal work of counting mechanism and reading, simultaneously can be as wet-type meter yet, because causing, table internal-external temperature difference hazes below glass or the globule that condenses etc. affects the phenomenon of water meter copy reading.In metering mechanism, impeller and the central gear of dry-type meter are separated, and impeller upper end is coupled by magnetic element (magnet ring or column magnet steel) and the magnetic element of central gear lower end.When current promote vane rotary, by the magnetic element of impeller upper end and the magnetic element of central gear lower end, inhale mutually or repel each other, driving central gear synchronous rotary, and by the flow through water yield of water meter of center driving counter records.Although dry-type meter has overcome the problems of wet-type meter, traditional dry-type meter often causes the de-magnetic of magnetic element of impeller shaft upper end because of overload, can not drive counting mechanism to run well, and causes and cannot normally measure and count; Also there is the problem of poor sensitivity simultaneously.
Summary of the invention
The purpose of this utility model is because crossing the de-magnetic conductance of current-carrying capacity, to cause the defect that cannot normally measure and count for dry-type meter in prior art, provides a kind of and improves the stability of magnet steel transmission, the photoelectric direct-reading water meter increasing the service life by setting up eccentric gear.
The utility model adopts following technical scheme for achieving the above object: a kind of photoelectric direct-reading water meter, comprise watchcase, table cover, counting mechanism and metering mechanism, table cover is covered on watchcase top, and counting mechanism and metering mechanism be top-down to be arranged in the accommodating cavity that table cover and watchcase form.Counting mechanism comprises supporting plate, sun gear shaft, central gear, optical-electric module, counter and translucent cover; Wherein, sun gear shaft is arranged on supporting plate, the lower end of sun gear shaft has magnetic element, the top of sun gear shaft connects central gear, the intermeshing character wheel of counter that makes of gear set of this central gear and counter rotates, optical-electric module is arranged on the below of counter, and transparent cover is combined in the top of counter.Metering mechanism comprises impeller box, impeller shaft, impeller, impeller shaft gear, regulates dividing plate and excentric shaft; The lower end of impeller shaft connects impeller, and its top, through regulating dividing plate the coaxial impeller shaft gear that connects, is provided with the magnet ring gear corresponding with the magnetic element of sun gear shaft lower end on excentric shaft, and magnet ring gear and impeller shaft gear are intermeshing.
During vane rotary in current promote impeller box, magnet ring gear on impeller shaft gear driven excentric shaft rotates, the magnetic element of magnet ring gear and sun gear shaft lower end is coupled, drive sun gear shaft rotates, central gear on sun gear shaft and the engagement of the gear set of counter are rotated the character wheel of counter, and then the numeral of character wheel being rotated by optical-electric module is converted into electronical reading.
The utility model has the advantages that: on the measurement structure of conventional dry water meter, set up excentric shaft and eccentric gear, by rotating with the coaxial impeller shaft gear drive eccentric gear being connected of impeller, by eccentric gear magnetic, pass to central gear again, character wheel by central gear actuation counter rotates, thereby realizes counting.Changed the mode that is directly coupled the character wheel of actuation counter to rotate by the magnetic element of impeller upper end and the magnetic element of central gear lower end of conventional dry water meter.Compare with traditional dry-type meter, the excentric shaft of setting up and eccentric gear have effectively reduced rotating speed, and increased magnetic coupling force, improved the stability of magnet steel transmission, stop conventional dry water meter and caused because crossing the de-magnetic conductance of current-carrying capacity the phenomenon that cannot measure and count, extended the serviceable life of water meter; Meanwhile, because metering mechanism immerses in tested water completely, buoyancy of water and the lubricated high sensitivity that can guarantee water meter, thus improved the precision of counting.
Accompanying drawing explanation
The indefiniteness embodiment that device of the present utility model can provide by accompanying drawing further illustrates.
Fig. 1 is sectional view of the present utility model.
In figure: 1-watchcase, 2-counting mechanism, 3-metering mechanism, 4-table cover, 201-supporting plate, 202-translucent cover, 203-optical-electric module, 204-sun gear shaft, 205-central gear, 206-counter, 301-impeller box, 302-impeller, 303-regulates dividing plate, 204-sun gear shaft, 305-impeller shaft gear, 306-dividing plate, 307-magnet ring gear, 308-excentric shaft, 309-impeller shaft.
Embodiment
Below in conjunction with accompanying drawing, be described further.
Referring to accompanying drawing 1, photoelectric direct-reading water meter of the present utility model, comprise watchcase 1, table cover 4, counting mechanism 2 and metering mechanism 3, described table cover 4 is covered on watchcase 1 top, and counting mechanism 2 and metering mechanism 3 be top-down to be arranged in the accommodating cavity that table cover 4 and watchcase 1 form.Counting mechanism 2 comprises supporting plate 201, sun gear shaft 204, central gear 205, optical-electric module 203, counter 206 and translucent cover 202; Wherein, sun gear shaft 204 is arranged on supporting plate 201, the lower end of sun gear shaft 204 has magnetic element, the top of sun gear shaft 204 connects central gear 205, this central gear 205 rotates with the intermeshing character wheel of counter that makes of gear set of counter 206, optical-electric module 203 is arranged on the below of counter 206, and translucent cover 202 covers the top at counter 206.Metering mechanism 3 comprises impeller box 301, impeller shaft 309, impeller 302, impeller shaft gear 305, regulates dividing plate 303 and excentric shaft 308; The lower end of impeller shaft 309 connects impeller 302, its top is through regulating dividing plate 303 the coaxial impeller shaft gear 305 that connects, on excentric shaft 308, be provided with the magnet ring gear 307 corresponding with the magnetic element of sun gear shaft 204 lower ends, magnet ring gear 307 is intermeshing with impeller shaft gear 305.
When current promote impeller 302 rotation in impeller box 301, impeller shaft gear 305 drives the magnet ring gear 307 on excentric shaft 308 to rotate, magnet ring gear 307 is coupled with the magnetic element of sun gear shaft 204 lower ends, drive sun gear shaft 204 to rotate, central gear 205 on sun gear shaft rotates the character wheel of counter with the gear set engagement of counter 206, and then the numeral of character wheel being rotated by optical-electric module 203 is converted into electronical reading.
Compare with traditional dry-type meter, the utility model is set up excentric shaft and eccentric gear on the measurement structure of conventional dry water meter, by rotating with the coaxial impeller shaft gear drive eccentric gear being connected of impeller, by eccentric gear magnetic, pass to central gear again, character wheel by central gear actuation counter rotates, thereby realizes counting.The excentric shaft of setting up and eccentric gear have effectively reduced rotating speed, and have increased magnetic coupling force, guaranteed the stability of magnet steel transmission, have stopped conventional dry water meter and have caused because crossing the de-magnetic conductance of current-carrying capacity the phenomenon that cannot measure and count, have extended the serviceable life of water meter.Because metering mechanism immerses in tested water completely, buoyancy of water and the lubricated high sensitivity that has guaranteed water meter, overcome the defect of conventional dry water meter poor sensitivity, makes water meter counting more accurate.
As optimal way of the present utility model, the outer setting of above-mentioned impeller box 301 has screen pack 304.With suspended impurity in filtered water, avoid impurity in water to enter obstruction impeller normal rotation in impeller or impeller shaft.
Further, described metering mechanism 3 tops are provided with the dividing plate 306 isolated with counting mechanism 2.Because of impeller shaft 309 rotation, bring a small amount of tested water on metering mechanism 3 tops into through the buffer action of dividing plate 306, make counting mechanism 2 and tested water completely isolated, guarantee the clear of the normal work of counting mechanism 2 and reading.
In sum, water meter of the present utility model have reading precisely, the feature of stable performance, be applicable to remote meter-reading system.
Obviously, all embodiment of foregoing description are a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the category of the utility model protection.
Claims (3)
1. a photoelectric direct-reading water meter, comprise watchcase (1), table cover (4), counting mechanism (2) and metering mechanism (3), described table cover (4) is covered on watchcase (1) top, and counting mechanism (2) and metering mechanism (3) be top-down to be arranged in the accommodating cavity that table cover (4) and watchcase (1) form;
Described counting mechanism (2) comprises supporting plate (201), sun gear shaft (204), central gear (205), optical-electric module (203), counter (206) and translucent cover (202); Wherein, described sun gear shaft (204) is arranged on supporting plate (201), the lower end of sun gear shaft (204) has magnetic element, the top of sun gear shaft (204) connects central gear (205), this central gear (205) rotates with the intermeshing character wheel of counter that makes of gear set of counter (206), described optical-electric module (203) is arranged on the below of counter (206), and translucent cover (202) covers the top in counter (206);
It is characterized in that:
Described metering mechanism (3) comprises impeller box (301), impeller shaft (309), impeller (302), impeller shaft gear (305), regulates dividing plate (303) and excentric shaft (308); The lower end of described impeller shaft (309) connects impeller (302), its top is through regulating dividing plate (303) the coaxial impeller shaft gear (305) that connects, on described excentric shaft (308), be provided with the magnet ring gear (307) corresponding with the magnetic element of sun gear shaft (204) lower end, described magnet ring gear (307) is intermeshing with impeller shaft gear (305);
When current promote impeller (302) rotation in impeller box (301), impeller shaft gear (305) drives the magnet ring gear (307) on excentric shaft (308) to rotate, magnet ring gear (307) is coupled with the magnetic element of sun gear shaft (204) lower end, drive sun gear shaft (204) to rotate, central gear on sun gear shaft (205) rotates the character wheel of counter with the gear set engagement of counter (206), and the numeral that described optical-electric module (203) rotates character wheel is converted into electronical reading.
2. photoelectric direct-reading water meter according to claim 1, is characterized in that: the outer setting of described impeller box (301) has screen pack (304).
3. photoelectric direct-reading water meter according to claim 1, is characterized in that: described metering mechanism (3) top is provided with the dividing plate (306) isolated with counting mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608402.0U CN203534641U (en) | 2013-09-30 | 2013-09-30 | Photoelectric direct reading water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608402.0U CN203534641U (en) | 2013-09-30 | 2013-09-30 | Photoelectric direct reading water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203534641U true CN203534641U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320608402.0U Expired - Lifetime CN203534641U (en) | 2013-09-30 | 2013-09-30 | Photoelectric direct reading water meter |
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| Country | Link |
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| CN (1) | CN203534641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501896A (en) * | 2014-11-19 | 2015-04-08 | 湖北泽捷电子科技有限公司 | Optical fiber direct-reading water gauge |
| CN104156764B (en) * | 2014-07-31 | 2017-05-24 | 胡子潜 | Photoelectric instrument mechanical counter |
-
2013
- 2013-09-30 CN CN201320608402.0U patent/CN203534641U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104156764B (en) * | 2014-07-31 | 2017-05-24 | 胡子潜 | Photoelectric instrument mechanical counter |
| CN104501896A (en) * | 2014-11-19 | 2015-04-08 | 湖北泽捷电子科技有限公司 | Optical fiber direct-reading water gauge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |