CN202066530U - Photoelectric direct-reading water meter - Google Patents
Photoelectric direct-reading water meter Download PDFInfo
- Publication number
- CN202066530U CN202066530U CN2011200863648U CN201120086364U CN202066530U CN 202066530 U CN202066530 U CN 202066530U CN 2011200863648 U CN2011200863648 U CN 2011200863648U CN 201120086364 U CN201120086364 U CN 201120086364U CN 202066530 U CN202066530 U CN 202066530U
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- character wheel
- impeller
- wheel box
- water meter
- box
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Abstract
A photoelectric direct-reading water meter mainly comprises a photoelectric module, a counting structure and an impeller metering structure, wherein the photoelectric module comprises a circuit board (3), a lead wire (20) and a metal hose (21), the counting structure comprises a character wheel box sealing ring (1), a dial plate (2), a circuit board (3), a character wheel box lower cover plate (4), a character wheel box (12), a four-eight-crossed cone (5) and a character wheel (6), and the metering structure comprises a gear (13), an upper clamp plate (14), an impeller shaft (15), a lower clamp plate (16), an impeller (17) and an impeller box (18). The circuit board (3) comprises a main board (22), a vertical board (23) and a lateral board (24) by means of welding combination; the character wheel box (12) in cavity design is divided into an upper cavity and a lower cavity which are not through by two continuous grooves; the circuit board (3) is placed in the upper cavity; the character wheel (6) is placed in the lower cavity; and the lateral board (24) in the circuit board (3) and the character wheel (6) are separately placed in the grooves of the respective cavities and opposite at intervals. An electronic circuit portion of the photoelectric direct-reading water meter is assembled independently, can be detached freely, and is simple in manufacture and fine in sealing performance.
Description
Technical field
The utility model relates to flowrate measuring tool, promptly a kind of photo-electronic directly reading water meter.
Background technology
The photo-electronic directly reading water meter is a kind of directly reading, can realize the water meter of remote meter reading again.This water meter is checked meter conveniently, and reliable reading is accurate, and at present, property sub-district, 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 requires the character wheel registration to be converted into long-range direct-reading numerical value, therefore adopts photoelectric sensor to be converted into digitally encoded signal through the registration on the counter character wheel of transforming, and by communication interface, directly reading is outputed to the far-end kilowatt meter recorder.
The photo-electronic directly reading water meter need solve the waterproof installation question of photoelectric sensor wiring board and other electronic circuit components.At present, some water meter is made a cavity below water meter counter character wheel box, the photoelectric sensor wiring board is inserted between the counter character wheel from the bottom up, partly is potted in electronic circuit in the cavity with fluid sealant, isolate with water, solved the waterproof installation question of wiring board part.But also there are some new problems in this design: because wiring board inserts in the table from the bottom up, the photoelectric sensor part is very near the water meter surface, and daylight sees through character wheel from the surface gap can have influence on optical-electric module, can make reading produce error; Might produce bubble in the process of fluid sealant embedding wiring board, embedding is unreal, if bubble near photo electric sensitive element, can cause light refraction, there is error in photoelectric sensor, influences final reading; The optical-electric module wiring board is potted in the cavity, becomes one with counter character wheel box, and is non-dismountable, if any like this unit failure is all scrapped integral body, makes the photoelectric sensor part not have maintainability.
The utility model content
The purpose of this utility model is to overcome the in use existing weak point of above-mentioned existing photo-electronic directly reading water meter, and a kind of liquid-seal type photo-electronic directly reading water meter is provided, and the independent assembling of this water meter electronic circuit part can freely be dismantled, and makes simply good seal performance.
A kind of photo-electronic directly reading water meter mainly comprises optical-electric module, counting structure and impeller measurement structure.Wherein optical-electric module is made up of wiring board 3, lead-in wire 20 and metal hose 21; The counting structure is made up of character wheel box seal ring 1, dial plate 2, wiring board 3, character wheel box lower cover 4, character wheel box 12,48 gear wheels 5 and character wheel 6; Measurement structure is made up of gear 13, train wheel bridge 14, impeller shaft 15, lower plate 16, impeller 17, impeller box 18.Wherein wiring board 3 is constituted by welding by mainboard 22, vertical panel 23 and side plate 24; Character wheel box 12 adopts the cavity design, by two coherent grooves it is divided into two cavitys that do not connect up and down, wiring board 3 places the upper chamber of character wheel box 12, character wheel 6 places the lower cavity of character wheel box 12, and the side plate 24 in the wiring board 3 and character wheel 6 are placed in the groove of cavity separately and are relative at interval.
Above-mentioned photo-electronic directly reading water meter, wherein: embedding transparency liquid in the lower chamber of character wheel box (12), adopt the liquid-seal type structure, its internals and the external world are isolated fully.
Above-mentioned photo-electronic directly reading water meter, wherein: the lead-in wire 20 of wiring board 3 leads to gap 25 places of character wheel box 5.
Above-mentioned photo-electronic directly reading water meter, wherein: the lead-in wire 20 that leads to gap 25 places is drawn with the circular hole place 26 of outlet cover plate 7 by character wheel box seal ring projection 19 through the back of unrolling, and this circular hole place 26 is arranged on gap 25 oblique uppers.
Compared with prior art, advantage of the present utility model is:
1, places in the character wheel box upper chamber owing to the optical-electric module wiring board; make circuit break away from liquid environment fully; protected optical-electric module effectively; because wiring board inserts the character wheel box from top to bottom; above the photoelectric sensor part of side plate, there are mainboard and dial plate to hide, avoided the influence of daylight like this photoelectric sensor part.
2, owing to adopt the succinct structure of installation, be easy to dismounting, be lowered into the product cost.
3, because character wheel box upper cavity is very big, be used for placing the optical-electric module wiring board.The optical-electric module of design is divided into mainboard, vertical panel and side plate, and side plate is the photoelectric sensor module, and integrated circuit is distributed on mainboard and the vertical panel, and the components and parts spacing is strengthened, and fabric swatch is more reliable, has improved the stability of optical-electric module.
4, owing to adopt the impeller shaft of measurement structure to be installed on the train wheel bridge, improving the concentricity of measurement structure, and can sufficiently and reasonably utilize the space of water meter, meet assembly technology more.
Description of drawings
Fig. 1 is an overall construction drawing of the present utility model.
Fig. 2 is optical-electric module of the present utility model and counting structure mounting structure figure.
Fig. 3 is circuit board structure figure of the present utility model.
Fig. 4 is optical-electric module lead wire mounting structure figure of the present utility model.
Fig. 5 is measurement structure figure of the present utility model.
Embodiment
As shown in Figure 1, the photo-electronic directly reading water meter mainly comprise optical-electric module, counting structure and impeller measurement structure wherein optical-electric module form by wiring board 3, lead-in wire 20 and metal hose 21; The counting structure is made up of character wheel box seal ring 1, dial plate 2, wiring board 3, character wheel box lower cover 4, character wheel box 12,48 gear wheels 5 and character wheel 6; Measurement structure is made up of gear 13, train wheel bridge 14, impeller shaft 15, lower plate 16, impeller 17, impeller box 18.Wherein character wheel box 12 adopts the cavity design, by two coherent grooves it is divided into two cavitys that do not connect up and down.
Four character wheels and three four or eight gear wheels in the counting structure mesh at interval, transmission successively, and counting principle is identical with mechanical water meter.Character wheel 6 and four or eight gear wheels 5 are installed in the lower cavity of character wheel box 12, character wheel box lower cover 4 is installed then.Embedding transparency liquid in character wheel box 12 lower cavity adopts the liquid-seal type structure, and its internals and the external world are isolated fully.
With reference to Fig. 2, Fig. 3 and Fig. 4, the wiring board 3 in the optical-electric module is by being constituted by welding by mainboard 22, vertical panel 23 and side plate 24; Wiring board 3 places the upper chamber of character wheel box 12, and the side plate 24 in the wiring board 3 is relative with character wheel 6 intervals in the lower cavity.The upper chamber of character wheel box 12 reaches enough big, can put down vertical panel 23, makes that the circuit fabric swatch is more reliable, thereby improves the stability of optical-electric module.
The lead-in wire 20 of wiring board 3 leads to gap 25 places of character wheel box 5, place O-ring seal 11 and watch glass 10, after the lead-in wire 20 that leads to gap 25 places of character wheel box 5 through and unrolling, draw with the circular hole place 26 of outlet cover plate 7 by character wheel box seal ring projection 19, this circular hole place 26 is arranged on gap 25 oblique uppers.Be with metal hose 21 on the lead-in wire 20, through pressure-ray film 9 is fixing down, by screw outlet cover plate 7 and character wheel box seal ring projection 19 are fixed together, on this outlet cover plate 7, be stamped PVC plate 8, pull like this and drag lead-in wire and 20 can not act directly on the pad place, thereby make the circuit structure of wiring board 3 safer.
With reference to shown in Figure 5, described impeller measurement structure comprises gear 13, train wheel bridge 14, impeller shaft 15, lower plate 16, impeller 17, impeller box 18, impeller shaft 15 upper ends are installed on the train wheel bridge 14, lower end and impeller 17 and 18 coaxial connections of impeller box, and center fixed is installed lower plate 16.Can improve the concentricity of measurement structure like this, and can sufficiently and reasonably utilize the space of water meter, meet assembly technology more.
Claims (5)
1. a photo-electronic directly reading water meter mainly comprises optical-electric module, counting structure and impeller measurement structure, and wherein optical-electric module is made up of wiring board (3), lead-in wire (20) and metal hose (21); The counting structure is made up of character wheel box seal ring (1), dial plate (2), wiring board (3), character wheel box lower cover (4), character wheel box (12), four or eight gear wheels (5) and character wheel (6); Measurement structure is made up of gear (13), train wheel bridge (14), impeller shaft (15), lower plate (16), impeller (17), impeller box (18); It is characterized in that: wiring board (3) is constituted by welding by mainboard (22), vertical panel (23) and side plate (24); Character wheel box (12) adopts the cavity design, by two coherent grooves it is divided into two cavitys that do not connect up and down, wiring board (3) places the upper chamber of character wheel box (12), character wheel (6) places the lower cavity of character wheel box (12), and the side plate (24) in the wiring board (3) and character wheel (6) are placed in the groove of cavity separately and are relative at interval.
2. photo-electronic directly reading water meter according to claim 1 is characterized in that: embedding transparency liquid in the lower chamber of character wheel box (12), adopt the liquid-seal type structure, and its internals and the external world are isolated fully.
3. photo-electronic directly reading water meter according to claim 1, the lead-in wire (20) that it is characterized in that wiring board (3) leads to the gap (25) of character wheel box (5) and locates; Lead-in wire (20) is drawn with the circular hole place (26) of outlet cover plate (7) by character wheel box seal ring projection (19) through the back of unrolling, and this circular hole place (26) is arranged on gap (25) oblique upper.
4. photo-electronic directly reading water meter according to claim 3, it is characterized in that being with metal hose (21) on the lead-in wire (20), through pressure-ray film (9) is fixing down, by screw outlet cover plate (7) and character wheel box seal ring projection (19) are fixed together, on this outlet cover plate (7), are stamped PVC plate (8).
5. photo-electronic directly reading water meter according to claim 1, it is characterized in that: the impeller shaft in the measurement structure (15) upper end is fixed on the train wheel bridge (14), lower end and impeller (17) and coaxial connection of impeller box (18), center fixed is installed lower plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200863648U CN202066530U (en) | 2011-03-29 | 2011-03-29 | Photoelectric direct-reading water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200863648U CN202066530U (en) | 2011-03-29 | 2011-03-29 | Photoelectric direct-reading water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066530U true CN202066530U (en) | 2011-12-07 |
Family
ID=45060391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200863648U Expired - Lifetime CN202066530U (en) | 2011-03-29 | 2011-03-29 | Photoelectric direct-reading water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066530U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890700A (en) * | 2015-10-28 | 2016-08-24 | 安徽翼迈科技股份有限公司 | Opposite type character wheel box |
| CN106643949A (en) * | 2017-03-16 | 2017-05-10 | 宁波山科电子科技有限公司 | Remote water meter |
| CN109405909A (en) * | 2018-11-21 | 2019-03-01 | 山东积成仪表有限公司 | A kind of bridge shape shaded frame for photoelectricity water meter board |
-
2011
- 2011-03-29 CN CN2011200863648U patent/CN202066530U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890700A (en) * | 2015-10-28 | 2016-08-24 | 安徽翼迈科技股份有限公司 | Opposite type character wheel box |
| CN106643949A (en) * | 2017-03-16 | 2017-05-10 | 宁波山科电子科技有限公司 | Remote water meter |
| CN106643949B (en) * | 2017-03-16 | 2020-07-28 | 宁波山科电子科技有限公司 | Remote water meter |
| CN109405909A (en) * | 2018-11-21 | 2019-03-01 | 山东积成仪表有限公司 | A kind of bridge shape shaded frame for photoelectricity water meter board |
| CN109405909B (en) * | 2018-11-21 | 2023-10-20 | 山东积成仪表有限公司 | Bridge-shaped shading frame for photoelectric water meter board card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |