CN201740557U - Liquid seal photoelectric direct-reading telemetering water meter - Google Patents
Liquid seal photoelectric direct-reading telemetering water meter Download PDFInfo
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- CN201740557U CN201740557U CN2010202942705U CN201020294270U CN201740557U CN 201740557 U CN201740557 U CN 201740557U CN 2010202942705 U CN2010202942705 U CN 2010202942705U CN 201020294270 U CN201020294270 U CN 201020294270U CN 201740557 U CN201740557 U CN 201740557U
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- water meter
- character wheel
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Abstract
The utility model discloses a liquid seal photoelectric direct-reading telemetering water meter which is simple in structure, high in coding precision and suitable for a remote meter reading system. The liquid seal photoelectric direct-reading telemetering water meter comprises a casing, an impeller metering mechanism and a liquid seal word-wheel box counting mechanism, wherein a liquid seal word-wheel box of the counting mechanism is provided with a recess towards two sides in a spacing manner, and word wheels in tooth joint with the impeller metering mechanism are arranged at intervals in the corresponding recess at one side. The direct-reading telemetering water meter is also provided with a photoelectric module disposed on the liquid seal word-wheel box. A photoelectric testing plate of the photoelectric module is inserted in the recess at the other side. Additionally, the photoelectric module and the word wheels are coaxial. On the basis of a metering structure of a common mechanical water meter, the direct-reading telemetering water meter of the utility model collects the reading information of the word wheels of the water meter via photoelectric sensing elements mounted on the word wheels and reads the water meter data after coding and decoding. The liquid seal photoelectric direct-reading telemetering water meter of the utility model is suitable for the remote meter reading system and has the advantages of high precision and stable performance etc.
Description
Technical field
The utility model relates to a kind of gauge table, relate in particular to a kind of simple in structure, encoding precision is high, be applicable to the liquid-seal type photo-electronic directly reading water meter of long-distance meter-reading system.
Background technology
Water meter is the topmost measuring instrument that is used for the tap water metering at present both at home and abroad.Its primary structure of liquid-seal type water meter generally comprises shell body part, with impeller metering mechanism of going up lower plate and the counting mechanism of forming by fluid-tight character wheel box and electronic sensor module.The electronic sensor module is provided with sensor, and the reading information of character wheel is gathered, and communicates by bus and higher level equipment.In general, the electronic sensor module places the character wheel below in the liquid-seal type water meter, and in the special liquid environment of long term seal in the character wheel box, therefore very strict to its sealing requirements, the general sealant layer mode that adopts seals it, therefore, when table tool electronic sensor module broke down, maintenance was extremely inconvenient.And,, thereby cause the damage of electronic component because the fluid sealant long period of soaking in liquid environment, causes the liquid infiltration easily.
The general coded system that adopts five groups of photoelectric tubes, two sections printing opacity hole slots of existing photo-electronic directly reading table coding print wheel of counter, exist counting precision lower, cause problem such as reading blind spot easily.
Summary of the invention
Defective in view of above-mentioned prior art existence, the purpose of this utility model be propose a kind of brand new, measuring accuracy height, sealing requirements low be applicable to the liquid-seal type photo-electronic directly reading remote transmitting water meter that teletransmission is checked meter, solve existing liquid-seal type water meter seal request height, safeguard inconvenient shortcoming.
The purpose of this utility model will be achieved by the following technical programs:
Liquid-seal type photo-electronic directly reading remote transmitting water meter, comprise shell, impeller metering mechanism and fluid-tight character wheel box-counting mechanism, it is characterized in that: the fluid-tight character wheel box of described counting mechanism is interval with groove towards both sides, is located at a corresponding side groove with the character wheel compartment of terrain of described impeller metering mechanism toe joint; Described direct-reading remote transmitting water meter also is provided with the optical-electric module that is positioned on the fluid-tight character wheel box, and the photodetection plate of described optical-electric module is inserted among the opposite side groove, and described optical-electric module is coaxial with character wheel.
Further, aforesaid liquid-seal type photo-electronic directly reading remote transmitting water meter, wherein the photodetection plate of this optical-electric module has five groups of photoelectric tubes that are used for character wheel reading information coding, and the gray encoding form that is distributed in of described five groups of photoelectric tubes is corresponding.
Further, aforesaid liquid-seal type photo-electronic directly reading remote transmitting water meter, wherein this optical-electric module has the extension line of character wheel reading information behind the output encoder, and this extension line external higher level equipment of directly drawing, communicate by letter; Perhaps the circuit switch plate by an insulated enclosure is transferred on 485 buses, and then the external higher level equipment of communicating by letter.
Further, aforesaid liquid-seal type photo-electronic directly reading remote transmitting water meter, wherein this character wheel offers three sections angles along disc and is respectively 24 °, 60 °, 96 °, and the space is 96 °, 24 °, 60 ° printing opacity hole slot, and is relative with the photoelectric tube rotation on the photodetection plate or misplace.
Further, aforesaid liquid-seal type photo-electronic directly reading remote transmitting water meter, wherein this impeller metering mechanism comprises the impeller and the gear set of phase toe joint, and double team is in the train wheel bridge and the lower plate of gear set both sides, and wherein said train wheel bridge surface is integrally formed with the readable display disc of table tool; Perhaps the lower surface of this fluid-tight character wheel box is provided with being positioned at the readable display disc of described impeller metering mechanism gear set, and the train wheel bridge of described readable display disc and impeller metering mechanism independently sets up separately.
The utility model liquid-seal type photo-electronic directly reading remote transmitting water meter, the outstanding effect after it is used is:
1, the table tool adopts the structure of a kind of " wet type is done dress ", utilize on the fluid-tight character wheel box both sides interband every the demarcation strip of groove, the character wheel that will be positioned at the photodetection plate of optical-electric module of fluid-tight character wheel box top and its groove is spaced apart, solved in the stoste water shutoff table circuit board long period of soaking in liquid environment, easily cause the liquid infiltration, thereby the problem that causes electronic component to damage, this structural manufacturing process is simple, and is easy to maintenance.
2, the photodetection plate of optical-electric module adopts five groups of photoelectric tubes to encode, having three sections angles on the character wheel, to be respectively 24 °, 60 °, 96 ° and space be 96 °, 24 °, 60 ° printing opacity hole slot, and five groups of photoelectric tubes adopt the Gray code modes that character wheel reading information is carried out 30 groups of photoelectric codings.Overcome the lower shortcoming of general photo-electronic directly reading table coding print wheel of counter counting precision, improved reading accuracy.
3, the optical-electric module extension line is honored as a queen by a circuit switch plate glue and is directly drawn, and having overcome the original signal extension line needs to draw the high shortcoming of sealing requirements that causes by the character wheel box, has reduced manufacturing technique requirent.
Description of drawings
Fig. 1 is the outward appearance vertical view of the utility model embodiment;
Fig. 2 is the cross-sectional view of the utility model embodiment;
Fig. 3 is the photoelectric coding character wheel front elevation of the utility model embodiment;
Fig. 4 is the STRUCTURE DECOMPOSITION synoptic diagram of the impeller metering mechanism of the utility model embodiment.
Embodiment
Following constipation closes the embodiment accompanying drawing, embodiment of the present utility model is described in further detail, so that technical solutions of the utility model are easier to understand, grasp.
The cross-sectional view of the utility model one embodiment as shown in Figures 1 to 4 and the STRUCTURE DECOMPOSITION synoptic diagram of each member thereof, schematic appearance be as seen: this liquid-seal type photo-electronic directly reading remote transmitting water meter core section is by band scale dish, form with impeller metering mechanism, optical-electric module and the fluid-tight character wheel box-counting mechanism of going up lower plate.
Wherein this impeller metering mechanism is made up of the train wheel bridge 3 and the lower plate 4 of impeller 1, gear set 2, band scale dish.Impeller 1 and gear set 2 be toe joint mutually, and the current impeller is rotated and then the driven gear group is measured rotation; Upper and lower clamping plate then are divided into the gear set both sides.
This character wheel counting mechanism is made up of pressing plate 5, optical-electric module 6, fluid-tight character wheel box 7, character wheel 8, ten gear wheels, 9,48 gear wheels 10.Wherein, optical-electric module 6 is made up of photoelectric control plate 11 and photodetection plate 12, and the two is " T " font arranges, and photoelectric control plate 11 places fluid-tight character wheel box 7 tops, and photodetection plate 12 places fluid-tight character wheel box 7 one side grooves.Fluid-tight character wheel box 7 is interval with groove towards both sides, and wherein a side groove is inserted the photodetection version 12 of optical-electric module, and the opposite side groove is inserted character wheel 8, the two coaxial distribution.Extension line 13 by a circuit switch plate 14 sealing back by extension line protective sleeve 17 or directly draw by 485 buses, be used for higher level equipment between communicate by letter.Optical-electric module 6, pressing plate 5 and extension line 13 are by watch glass 15 and O-ring seal 16 sealings.Character wheel 8, ten gear wheels 9 and four or eight teeth 10 are taken turns and are placed fluid-tight character wheel box, ultrasonic sealing behind injection glycerine, the pure water mixing material.
This liquid-seal type photo-electronic directly reading remote transmitting water meter, its table tool adopts the structure of a kind of " wet type is done dress ", on fluid-tight character wheel box, be formed with the demarcation strip of both sides interband every groove, the optical-electric module that will be positioned at fluid-tight character wheel box top and the character wheel of its groove and to seal mixed liquor spaced apart, and make photodetection plate and character wheel coaxial corresponding.Optical-electric module is provided with five groups of photoelectric tubes character wheel reading information is gathered, deciphered, and communicates by 485 buses and higher level equipment.Wherein:
1, the photodetection plate of optical-electric module adopts five groups of photoelectric tubes to encode, having three sections angles on the character wheel, to be respectively 24 °, 60 °, 96 ° and space be 96 °, 24 °, 60 ° printing opacity hole slot, five groups of photoelectric tubes adopt the Gray code form that character wheel reading information is carried out 30 group codings, solve reading blind spot problem, improved reading accuracy.
2, optical-electric module and character wheel are spaced apart by fluid-tight character wheel box, have solved the deficiency that needs the special glue-line of employing that optical-electric module is sealed in the wet-type meter structure, make simple, saving cost, easy to maintenance.
3, readable display disc or scale dish independently separate with train wheel bridge, are located at fluid-tight character wheel box lower surface, can make things convenient for observed reading.
4, optical-electric module signal extension line is honored as a queen by a circuit switch plate and bus glue and is directly drawn, and has overcome original signal extension line because of draw the high shortcoming of sealing requirements that causes by the character wheel box, has reduced manufacturing technique requirent.
The utility model liquid seal photoelectric direct-reading telemetering water meter utilizes photoelectric sense technology and decoding direct-reading technology take the reliable mechanical water meter of technology maturation as the basis, finishes reading of data of water meter. On the measurement structure basis of standard machinery formula water meter, gather water meter character wheel reading code value information by the photoelectric sensor that installs additional on the character wheel, water-meter reading data after the decoding are applicable to remote meter-reading system, have the characteristics such as precision height, stable performance.
Claims (7)
1. liquid-seal type photo-electronic directly reading remote transmitting water meter, comprise shell, impeller metering mechanism and fluid-tight character wheel box-counting mechanism, it is characterized in that: the fluid-tight character wheel box of described counting mechanism is interval with groove towards both sides, is located at a corresponding side groove with the character wheel compartment of terrain of described impeller metering mechanism toe joint; Described direct-reading remote transmitting water meter also is provided with the optical-electric module that is positioned on the fluid-tight character wheel box, and the photodetection plate of described optical-electric module is inserted among the opposite side groove, and described optical-electric module is coaxial with character wheel.
2. liquid-seal type photo-electronic directly reading remote transmitting water meter according to claim 1, it is characterized in that: the photodetection plate of described optical-electric module has five groups of photoelectric tubes that are used for character wheel reading information coding, and the gray encoding form that is distributed in of described five groups of photoelectric tubes is corresponding.
3. liquid-seal type photo-electronic directly reading remote transmitting water meter according to claim 1 and 2 is characterized in that: described optical-electric module has the extension line of character wheel reading information behind the output encoder, and the described extension line external higher level equipment of directly drawing, communicate by letter.
4. liquid-seal type photo-electronic directly reading remote transmitting water meter according to claim 1 and 2, it is characterized in that: described optical-electric module has the extension line of character wheel reading information behind the output encoder, and described extension line is transferred on 485 buses by the circuit switch plate of an insulated enclosure, and then the external higher level equipment of communicating by letter.
5. liquid-seal type photo-electronic directly reading remote transmitting water meter according to claim 1, it is characterized in that: described character wheel offers three sections angles along disc and is respectively 24 °, 60 °, 96 °, and the space is 96 °, 24 °, 60 ° a printing opacity hole slot, with the relative or dislocation of photoelectric tube rotation on the photodetection plate.
6. liquid-seal type photo-electronic directly reading remote transmitting water meter according to claim 1, it is characterized in that: described impeller metering mechanism comprises the impeller and the gear set of phase toe joint, and double team is in the train wheel bridge and the lower plate of gear set both sides, and wherein said train wheel bridge surface is integrally formed with the readable display disc of table tool.
7. liquid-seal type photo-electronic directly reading remote transmitting water meter according to claim 1, it is characterized in that: the lower surface of described fluid-tight character wheel box is provided with being positioned at the readable display disc of described impeller metering mechanism gear set, and the train wheel bridge of described readable display disc and impeller metering mechanism independently sets up separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202942705U CN201740557U (en) | 2010-08-17 | 2010-08-17 | Liquid seal photoelectric direct-reading telemetering water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202942705U CN201740557U (en) | 2010-08-17 | 2010-08-17 | Liquid seal photoelectric direct-reading telemetering water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201740557U true CN201740557U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202942705U Expired - Lifetime CN201740557U (en) | 2010-08-17 | 2010-08-17 | Liquid seal photoelectric direct-reading telemetering water meter |
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| CN (1) | CN201740557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749116A (en) * | 2012-07-31 | 2012-10-24 | 黄华 | Full liquid seal water meter counter |
| CN102829809A (en) * | 2012-09-04 | 2012-12-19 | 深圳市千宝通科技有限公司 | Character wheel coding structure on counter in photoelectric direct-reading meter |
| CN104677443A (en) * | 2013-11-27 | 2015-06-03 | 哈尔滨市三和佳美科技发展有限公司 | Power carrier communication based photoelectric direct-reading water meter |
-
2010
- 2010-08-17 CN CN2010202942705U patent/CN201740557U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749116A (en) * | 2012-07-31 | 2012-10-24 | 黄华 | Full liquid seal water meter counter |
| CN102829809A (en) * | 2012-09-04 | 2012-12-19 | 深圳市千宝通科技有限公司 | Character wheel coding structure on counter in photoelectric direct-reading meter |
| CN104677443A (en) * | 2013-11-27 | 2015-06-03 | 哈尔滨市三和佳美科技发展有限公司 | Power carrier communication based photoelectric direct-reading water meter |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |
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| CX01 | Expiry of patent term |