CN202947770U - Wide range photoelectric direct reading water meter - Google Patents
Wide range photoelectric direct reading water meter Download PDFInfo
- Publication number
- CN202947770U CN202947770U CN201220412880.XU CN201220412880U CN202947770U CN 202947770 U CN202947770 U CN 202947770U CN 201220412880 U CN201220412880 U CN 201220412880U CN 202947770 U CN202947770 U CN 202947770U
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- Prior art keywords
- impeller box
- impeller
- stem
- deceleration
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 230000035807 sensation Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a wide range photoelectric direct reading water meter which comprises a counter, a gear box (7), an impeller and an impeller box (1), wherein the gear box (7) is installed on the top of the impeller box (1), eight water inlets (3) are formed in the bottom of the impeller box (1), four water outlets (4) are formed in the top of the impeller box (1), four to six decelerating stems A(9) are arranged on a bottom surface A(8) of the gear box (7), and six to eight decelerating stems B(6) are arranged on a bottom surface B(5)of a cavity body (2) of the impeller box (1). The wide range photoelectric direct reading water meter has the advantages that when the impeller is struck by water flow to rotate, rotating speed of the impeller is adjusted by decelerating stems A and decelerating stems B, accurate measurement of all flow points is achieved, accordingly small flow can be measured, the specific value of Q3/Q1 can reach more than 160, and accuracy of counting of a water meter is improved.
Description
Technical field
The utility model relates to the photoelectric direct-reading water meter of water meter technical field, particularly a kind of wide-range.
Background technology
Photoelectric direct-reading water meter is a kind of directly reading, can realize again the water meter of remote meter reading, and this water meter reading is convenient, and reliable reading is accurate, and at present, the property plots, industrial and mining enterprises, school and public institution have brought into use photoelectric direct-reading water meter.this water meter structure comprises impeller metering section and counter portion, counter portion is the character wheel registration to be converted into photosignal through the internet or GPRS realizes remote meter reading and control, the impeller metering section comprises impeller box, impeller, gearcase and the gear that is installed in gearcase, impeller is installed in the cavity of impeller box by impeller shaft, the bottom of impeller box and top offer respectively water inlet and water delivering orifice, gearcase is installed on the top of impeller box, the part that the upper end of impeller shaft penetrates in gearcase and impeller shaft penetrates gearcase is provided with the gear that is meshed with the gear installed in gearcase, the gear of installing in gearcase is connected with counter portion by drive disk assembly again, current are entered in the impeller box cavity by the water inlet of impeller box, promote the wheel rotation in the impeller box cavity, last water delivering orifice outflow by the impeller box top.During wheel rotation in cavity, rotate by the digit wheel that the gear in gearcase and drive disk assembly drive dial plate by the gear on impeller shaft again, counter portion is that photosignal passes to control center through transport sector with signal with the character wheel registration by coder transitions.
The impeller box of existing water meter is typically provided with six inlet openings and six apopores, and to making fluid little to the impulsive force of impeller, the low discharge of water meter can't measure, and causes low discharge reading out of true due to the reason of water inlet hole shape and centre distance.Existing water meter Q3/Q1(flow/minimum flow commonly used) ratio can only reach 80 times.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, provides a kind of and can measure the photoelectric direct-reading water meter that the ratio of low discharge, Q3/Q1 more can reach the wide-range more than 160 times.
The purpose of this utility model is achieved through the following technical solutions: a kind of photoelectric direct-reading water meter of wide-range, it comprises counter, gearcase, impeller and impeller box, the middle part of impeller box is provided with cavity, gearcase is installed on the top of impeller box, the bottom surface A of gearcase is positioned at the cavity of impeller box, the bottom of impeller box and top offer respectively water inlet and water delivering orifice, and the bottom of impeller box is provided with eight water inlets, and the top of impeller box is provided with four water delivering orifices; The bottom surface A of gearcase is provided with four～six roots of sensation deceleration stem A, deceleration stem A is for radially extending, be arranged at raised line on the A of bottom surface along gearcase, the bottom surface B of the cavity of impeller box is provided with six～eight deceleration stem B, and deceleration stem B is for radially extending, be arranged at raised line on the B of bottom surface along impeller box.
Described deceleration stem A circumferentially evenly distributes along gearcase, and the height of deceleration stem A is 3～4mm.
Described deceleration stem B circumferentially evenly distributes along impeller box, and the height of deceleration stem B is 3～4mm.
Described water inlet circumferentially evenly distributes along impeller box, and the horizontal section of water inlet is rectangle, and the distance of water inlet distance impeller box center line in parallel is 18～19mm.
Described water delivering orifice circumferentially evenly distributes along impeller box, and the horizontal section of water delivering orifice is rectangle, and the distance of water delivering orifice distance impeller box center line in parallel is 15～16mm.
The utlity model has following advantage: water inlet of the present utility model is set to rectangle, and the distance of the impeller box center line that the water inlet distance is in parallel is 18～19mm, increased the impulsive force of fluid to impeller, in the time of can guaranteeing that even discharge is very little, current also can directly enter cavity and promote wheel rotation, thereby realize measuring more low discharge; Be respectively equipped with deceleration stem B and deceleration stem A on the bottom surface B of impeller box cavity and gearcase bottom surface A, deceleration stem B and deceleration stem A adjust wheel speed when impeller is rotated by water impact, realize the accurate measurement of each flow point, thereby improved the precision of water meter measurement, the ratio of Q3/Q1 can reach more than 160; When thereby the sectional area that four uniform designs of water delivering orifice have increased water delivering orifice has guaranteed large flow, fluid is more unobstructed.
Description of drawings
Fig. 1 is the structural representation of impeller box of the present utility model
Fig. 2 is that Fig. 1 is along the cut-open view in B-B cross section
Fig. 3 is the plan structure schematic diagram of impeller box of the present utility model
Fig. 4 is the structural representation of looking up of gearcase of the present utility model
In figure, 1-impeller box, 2-cavity, 3-water inlet, the 4-water delivering orifice, 5-bottom surface B, 6-deceleration stem B, 7-gearcase, 8-bottom surface A, 9-deceleration stem A, the distance of the impeller box center line that d1-water inlet distance is in parallel, the distance of the impeller box center line that d2-water delivering orifice distance is in parallel.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, protection domain of the present utility model is not limited to the following stated:
A kind of photoelectric direct-reading water meter of wide-range, it comprises counter, gearcase 7, impeller and impeller box 1, the middle part of impeller box 1 is provided with cavity 2, gearcase 7 is installed on the top of impeller box 1, the bottom surface A8 of gearcase 7 is positioned at the cavity 2 of impeller box 1, and as Fig. 1, Fig. 2, shown in Figure 3, the bottom of impeller box 1 and top offer respectively water inlet 3 and water delivering orifice 4, the bottom of impeller box 1 is provided with eight water inlets 3, and the top of impeller box 1 is provided with four water delivering orifices 4; As shown in Figure 4, the bottom surface A8 of gearcase 7 is provided with four～six roots of sensation deceleration stem A9, deceleration stem A9 is for radially extending, be arranged at raised line on the A8 of bottom surface along gearcase 7, the upper the best of the bottom surface A8 of gearcase 7 arranges six roots of sensation deceleration stem A9, as shown in Figure 2, the bottom surface B5 of the cavity 2 of impeller box 1 is provided with six～eight deceleration stem B6, deceleration stem B6 for along impeller box 1 radially extend, be arranged at raised line on the B5 of bottom surface, the upper the best of the bottom surface B5 of the cavity 2 of impeller box 1 arranges eight deceleration stem B6.
As shown in Figure 4, described deceleration stem A9 circumferentially evenly distributes along gearcase 7, and the height of deceleration stem A9 is 3～4mm, and its optimum height is 3.6mm or 3.8mm.
As shown in Figure 3, described deceleration stem B6 circumferentially evenly distributes along impeller box 1, and the height of deceleration stem B6 is 3～4mm, and its optimum height is 3.2mm or 3.5mm.
As shown in Figure 2, described water inlet 3 circumferentially evenly distributes along impeller box 1, the horizontal section of water inlet 3 is rectangle, and impeller box 1 center line that water inlet 3 distances are in parallel is 18～19mm apart from d1, and water inlet 3 is 18.5mm apart from impeller box 1 center line in parallel apart from d1 the best.
As shown in Figure 3, described water delivering orifice 4 circumferentially evenly distributes along impeller box 1, the horizontal section of water delivering orifice 4 is rectangle, and impeller box 1 center line that water delivering orifice 4 distances are in parallel is 15～16mm apart from d2, and water delivering orifice 4 is 15.1mm apart from impeller box 1 center line in parallel apart from d2.
Water meter is when work, fluid is rule after rectangular water inlet 3 shapings by water inlet 3 water column impacts the impeller in impeller box 1, thereby rotate by the gear driven counter in gearcase 7 in the time of vane rotary and realize metering, simultaneously, the deceleration stem A9 of deceleration stem B6 on the bottom surface B5 of impeller box 1 cavity 2 and gearcase 7 bottom surface A8 adjusts the rotating speed of impeller, thereby realizes the accurate measurement of each flow point.
Claims (5)
1. the photoelectric direct-reading water meter of a wide-range, it comprises counter, gearcase (7), impeller and impeller box (1), the middle part of impeller box (1) is provided with cavity (2), gearcase (7) is installed on the top of impeller box (1), it is characterized in that: the cavity (2) that the bottom surface A(8 of gearcase (7)) is positioned at impeller box (1), the bottom of impeller box (1) and top offer respectively water inlet (3) and water delivering orifice (4), the bottom of impeller box (1) is provided with eight water inlets (3), and the top of impeller box (1) is provided with four water delivering orifices (4); The bottom surface A(8 of gearcase (7)) be provided with four～six roots of sensation deceleration stem A(9), deceleration stem A(9) for along the radially extension of gearcase (7), be arranged at bottom surface A(8) on raised line, the bottom surface B(5 of the cavity (2) of impeller box (1)) be provided with six～eight deceleration stem B(6), deceleration stem B(6) for along the radially extension of impeller box (1), be arranged at bottom surface B(5) on raised line.
2. the photoelectric direct-reading water meter of a kind of wide-range according to claim 1 is characterized in that: described deceleration stem A(9) along circumferentially evenly the distributing of gearcase (7), deceleration stem A(9) height be 3～4mm.
3. the photoelectric direct-reading water meter of a kind of wide-range according to claim 1 is characterized in that: described deceleration stem B(6) along circumferentially evenly the distributing of impeller box (1), deceleration stem B(6) height be 3～4mm.
4. the photoelectric direct-reading water meter of a kind of wide-range according to claim 1, it is characterized in that: described water inlet (3) circumferentially evenly distributes along impeller box (1), the horizontal section of water inlet (3) is rectangle, and the distance of water inlet (3) distance impeller box (1) center line in parallel is 18～19mm.
5. the photoelectric direct-reading water meter of a kind of wide-range according to claim 1, it is characterized in that: described water delivering orifice (4) circumferentially evenly distributes along impeller box (1), the horizontal section of water delivering orifice (4) is rectangle, and the distance of water delivering orifice (4) distance impeller box (1) center line in parallel is 15～16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220412880.XU CN202947770U (en) | 2012-08-20 | 2012-08-20 | Wide range photoelectric direct reading water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220412880.XU CN202947770U (en) | 2012-08-20 | 2012-08-20 | Wide range photoelectric direct reading water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202947770U true CN202947770U (en) | 2013-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220412880.XU Expired - Lifetime CN202947770U (en) | 2012-08-20 | 2012-08-20 | Wide range photoelectric direct reading water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202947770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788623A (en) * | 2012-08-20 | 2012-11-21 | 四川府星仪表有限公司 | Wide-range photoelectric direct-reading water meter |
| CN104501882A (en) * | 2014-12-08 | 2015-04-08 | 四川府星仪表有限公司 | Two-way metering water meter |
-
2012
- 2012-08-20 CN CN201220412880.XU patent/CN202947770U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788623A (en) * | 2012-08-20 | 2012-11-21 | 四川府星仪表有限公司 | Wide-range photoelectric direct-reading water meter |
| CN102788623B (en) * | 2012-08-20 | 2014-01-29 | 四川府星仪表有限公司 | Wide-range photoelectric direct-reading water meter |
| CN104501882A (en) * | 2014-12-08 | 2015-04-08 | 四川府星仪表有限公司 | Two-way metering water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180126 Address after: Xinjin County, Sichuan province 610000 five Chengdu City Jin Zhen Wuyang Road No. 186, building 1, unit 1, 2 Co-patentee after: Cao Qiuping Patentee after: Cao Jianping Co-patentee after: Cao Ke Co-patentee after: Chen Qian Co-patentee after: Cao Dongmei Co-patentee after: Cao Chunping Co-patentee after: Cao Yu Address before: 611437, Sichuan Province, Xinjin County, Chengdu Yong business town treasure Bridge Village Patentee before: SICHUAN FUXING INSTRUMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180321 Address after: 610000 Xinjin County, Chengdu, Sichuan Baoqiao village, Yong Shang Town Patentee after: SICHUAN FUXING INSTRUMENT Co.,Ltd. Address before: Xinjin County, Sichuan province 610000 five Chengdu City Jin Zhen Wuyang Road No. 186, building 1, unit 1, 2 Co-patentee before: Cao Qiuping Patentee before: Cao Jianping Co-patentee before: Cao Ke Co-patentee before: Chen Qian Co-patentee before: Cao Dongmei Co-patentee before: Cao Chunping Co-patentee before: Cao Yu |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |