CN201993135U

CN201993135U - Passive direct-reading remote-transmission water meter

Info

Publication number: CN201993135U
Application number: CN2011200654996U
Authority: CN
Inventors: 冯建明; 苏庆; 吴秋云
Original assignee: LIXIN INTELLETUAL APPARATUS CO Ltd JIANGYING
Current assignee: LIXIN INTELLETUAL APPARATUS CO Ltd JIANGYING
Priority date: 2011-03-14
Filing date: 2011-03-14
Publication date: 2011-09-28
Anticipated expiration: 2021-03-14

Abstract

The utility model relates to a remote-transmission water meter which is used for quantitatively metering the flow rate of tap water or purified water flowing through a water supply pipeline and belongs to the technical field of water flow rate metering equipment. The remote-transmission water meter comprises a base meter and an electronic counting part, wherein the electronic counting part is arranged outside the base meter; the base meter comprises a meter body (1) and a meter case (2); the upper part of the meter case (2) is provided with an upper cover (3); the electronic counting part is positioned inside the upper cover (3) and comprises a magnetic transmission component (5), a toothed wheel system I (6) and a character wheel system I (7); the character wheel system I (7) comprises a bracket (29); the bracket (29) is provided with a rotating shaft III (33); the rotating shaft III (33) is provided with five character wheels (30); two sides of each character wheel (30) are respectively provided with a photoelectricity sampling part (31); and the photoelectricity sampling part (31) is connected with a single chip microcomputer system (32). The passive direct-reading remote-transmission water meter has the advantages of being excellent in water-proof property, high in reliability, low in production cost, convenient to maintain and beneficial to production in large batches.

Description

Passive direct reading remote watermeters

Technical field

The utility model relates to a kind of remote transmitting water meter, is used for measuring fixed amount the flow through tap water of water supply line or the flow of pure water, belongs to discharge metering equipment technical field.

Background technology

What the overwhelming majority adopted in the present remote transmitting water meter is that tongue tube is as data sampling sensor, its ultimate principle is the corresponding place of pointer that tongue tube is installed in the base table counter, on pointer, be embedded with magnetic material, the moving circle of this pointer revolution, the tongue tube break-make once, Single Chip Microcomputer (SCM) system is come the flow of metering water meter by the break-make number of times that detects tongue tube.The defective of this mode maximum is that the single-chip microcomputer acquired signal can produce misoperation (tongue tube under water hammering frequent switching and rotate inharmonious with pointer) when water hammer appears in water system, influences measuring accuracy.

A lot of in recent years remote transmitting water meter manufacturers have developed the passive direct reading remote watermeters of a new generation, it comprises essentic-water-meter, sampling section, Single Chip Microcomputer (SCM) system, be characterized in by being installed in character wheel middle four groups or three groups of photoelectric tubes, cooperate the windowing on the character wheel, differentiate the character wheel position with singlechip technology, thereby reached the purpose of metering.But this product partly is installed in the character wheel system that has fluid-tight liquid because of its electronic counting, the inner space is less, be merely able to install three groups or four groups of photoelectric tubes, the reading of its kilobit or myriabit need be differentiated by software, error rate is higher, poor reliability, and these parts contact with ducted tap water for a long time, and ducted hydraulic pressure pressure is big, be a very complicated dynamic changing process, people can't predict it, so waterproof requirement is very high, technology is more complicated also, production cost is higher, and is unfavorable for producing in enormous quantities, will cause remote transmitting water meter normally to measure in case go wrong, reliability is relatively poor, and repairs also very inconvenient.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of good waterproof performance, reliability height, production cost low, and is easy to maintenance and be beneficial to the passive direct reading remote watermeters of production in enormous quantities.

The purpose of this utility model is achieved in that a kind of passive direct reading remote watermeters, it comprises base table and electronic counting part, described base table comprises table body and watchcase, the table body is arranged at watchcase inside, the watchcase upper end is provided with glass, described table body comprises housing, impeller box and gearcase, impeller box is arranged in the housing, gearcase is arranged at the impeller box upper end, impeller box and gearcase center are provided with revolving shaft I, revolving shaft I is provided with impeller and gear I, impeller is positioned at impeller box, gear I is positioned at gearcase, be characterized in: electronic counting partly is arranged at the base table outside, described watchcase top is provided with cover, it is inner that electronic counting partly is positioned at cover, electronic counting partly comprises the magnetic transmission component, gear train I and the I of character wheel system, described magnetic transmission component is positioned at the top of glass, the magnetic transmission component comprises shading ring and shielding outer cover, the shielding outer cover is positioned at the shading ring upper end, be provided with following of the transmission and the transmission seat of honour in the shading ring, the transmission seat of honour is positioned at following upper end of transmission, following of transmission and shading ring composition surface are provided with O-ring seal I, be provided with O-ring seal II between the transmission seat of honour and the shielding outer cover composition surface, following of transmission and center, the transmission seat of honour are provided with revolving shaft II, revolving shaft II upper end is provided with pointer, and the pointer below is provided with gear I, and gear I and pointer are positioned at shielding outer cover top, revolving shaft II bottom is provided with magnet steel I, and magnet steel I is positioned at following of transmission.The described character wheel I of system comprises support, support is provided with revolving shaft III, revolving shaft III is provided with five character wheels, the character wheel both sides are provided with the photoelectricity sampling part, photoelectricity sampling partly is connected with Single Chip Microcomputer (SCM) system, be provided with three fan-shaped windows on the described character wheel in the form of a ring, photoelectricity sampling partly is provided with five photoelectric tubes arranging in the form of a ring, and described fan-shaped window center and photoelectric tube are centered close on the same circumference.

Compared with prior art, the beneficial effects of the utility model are:

1, the electronic counting of a kind of passive direct reading remote watermeters of the utility model partly is positioned at the base table outside, fully with moisture from, waterproof requirement is easier to realization, water proofing property is better, production cost is low, and is beneficial to production in enormous quantities.

2, the electronic counting part is separated easily with base table, can carry out modularization production, and I﹠M is all very convenient.

3, because electronic counting partly is installed on the base table outside, enough spaces are arranged, so five pairs of photoelectric tubes can be installed, can read the position of five character wheels by Single Chip Microcomputer (SCM) system, do not need to differentiate by software the position of kilobit and myriabit character wheel, error rate obviously descends, the reliability height.

Description of drawings

Fig. 1 is the structural representation of the passive direct reading remote watermeters of the utility model.

Fig. 2 is the structural representation of base table table body.

Fig. 3 is the arrangement stretch-out view of base table gear train.

Fig. 4 is the principle of work synoptic diagram of magnetic transmission component.

Fig. 5 is the structural representation of the I of character wheel system.

Fig. 6 is the principle of work synoptic diagram of photoelectricity sampling part.

Wherein:

Table body 1, watchcase 2, last cover 3, glass 4, magnetic transmission component 5, gear train I6, the I7 of character wheel system, communication lead 8, housing 9, impeller box 10, impeller 11, gearcase 12, gear I13, revolving shaft I14, magnetic transmission pointer 15, the II16 of character wheel system, shading ring 17, following 18 of transmission, O-ring seal I19, O-ring seal II20, magnet steel I21, the transmission seat of honour 22, shielding outer cover 23, revolving shaft II24, gear II25, pointer 26, magnet steel II27, worm gear 28, support 29, character wheel 30, photoelectricity sampling part 31, Single Chip Microcomputer (SCM) system 32, revolving shaft III33.

Embodiment

Referring to Fig. 1; the utility model relates to a kind of passive direct reading remote watermeters; it comprises base table and electronic counting part; electronic counting partly is arranged at the base table outside; base table comprises table body 1 and watchcase 2; table body 1 is arranged at watchcase 2 inside; watchcase 2 upper ends are provided with glass 4; watchcase 2 upper outside are provided with cover 3; electronic counting partly is positioned at cover 3 inside; electronic counting partly comprises magnetic transmission component 5; gear train I6 and the I7 of character wheel system, the I7 of character wheel system is connected to realize long-range meter reading with the remote computer control system by the communication lead 8 by the metal hose protection, deducts the time of checking meter in a large amount of scenes.

Referring to Fig. 2, described table body 1 comprises housing 9, impeller box 10 and gearcase 12, impeller box 10 is arranged in the housing 9, gearcase 12 is arranged at impeller box 10 upper ends, impeller box 10 and gearcase 12 centers are provided with revolving shaft I14, and revolving shaft I14 is provided with impeller 11 and gear I13, and impeller 11 is positioned at impeller box 10, gear I13 is positioned at gearcase 12, gear I13 be connected with the base table gear train (as shown in Figure 3).Ducted water impact impeller 11 rotates impeller 11, and gear I13 rotates with impeller 11 and drives 15 rotations of magnetic transmission pointer and the II16 of character wheel system counting by the base table gear train.

Referring to Fig. 4, described magnetic transmission component 5 is positioned at glass 4 upper ends, magnetic transmission pointer 15 is positioned at glass 4 belows, magnetic transmission component 5 comprises shading ring 17 and shielding outer cover 23, shielding outer cover 23 is positioned at shading ring 17 upper ends, be provided with following 18 of transmission and the transmission seat of honour 22 in the shading ring 17, the transmission seat of honour 22 is positioned at following 18 upper ends of transmission, following 18 of transmission and shading ring 17 composition surfaces are provided with O-ring seal I19, be provided with O-ring seal II20 between the transmission seat of honour 22 and shielding outer cover 23 composition surfaces, following 18 of transmission and 22 centers, the transmission seat of honour are provided with revolving shaft II24, revolving shaft II24 upper end is provided with pointer 26, pointer 26 belows are provided with gear I25, pointer 26 is positioned at shielding outer cover 23 tops with gear I25, revolving shaft II24 bottom is provided with magnetic pair of opposite magnet steel I21, magnet steel I21 is positioned at following 18 of transmission, magnetic transmission pointer 15 upper ends also are provided with magnetic pair of opposite magnet steel II27, when magnetic transmission pointer 15 rotates, driving revolving shaft II24 by the magnetic gearing between magnet steel I21 and the magnet steel II27 rotates, gear I25 on the revolving shaft II24 and pointer 26 also rotate together synchronously simultaneously, gear I25 drives the character wheel I7 of system counting by gear train I6, and the revolving shaft of magnetic transmission pointer 15 is identical to the ratio of gear of the I7 of character wheel system with revolving shaft II24 to the ratio of gear of the II16 of character wheel system, so the counting of the I7 of character wheel system and the II16 of character wheel system is consistent.

Referring to Fig. 5, the described character wheel I7 of system comprises support 29, support 29 is provided with revolving shaft III33, revolving shaft III33 is provided with five character wheels 30, character wheel 30 both sides are provided with photoelectricity sampling part 31, photoelectricity sampling part 31 tops are connected with Single Chip Microcomputer (SCM) system 32, the worm gear 28 of revolving shaft III33 one end for being connected with gear train I6.

Referring to Fig. 6, offer three fan-shaped windows that vary in size on the described character wheel 30, three fan-shaped windows are provided with in the form of a ring, photoelectricity sampling part 31 is provided with five photoelectric tubes of ABCDE of arranging in the form of a ring, fan-shaped window center and photoelectric tube center are on the same circumference, in the process of character wheel 30 rotations, the relative position of three fan-shaped windows and five photoelectric tubes can change, if the light of photoelectric tube is blocked by character wheel 30, this moment, photoelectric receiving tube was in high level, if the light of photoelectric tube can be by the fan-shaped window of character wheel 30, this moment, photoelectric receiving tube was in low level, 12 ° of high-low level states that a kind of photoelectric tube all will occur of character wheel 30 every rotations, the high-low level state transfer in a certain moment of photoelectricity sampling part is given Single Chip Microcomputer (SCM) system 32, can determine character wheel 30 angle of being rotated and the position at character wheel place 30 this moment this moment by Single Chip Microcomputer (SCM) system 32, thereby on remote computer, demonstrate the water meter reading of this moment.

Claims

1. passive direct reading remote watermeters, it comprises base table and electronic counting part, described base table comprises table body (1) and watchcase (2), table body (1) is arranged at watchcase (2) inside, watchcase (2) upper end is provided with glass (4), described table body (1) comprises housing (9), impeller box (10) and gearcase (12), impeller box (10) is arranged in the housing (9), gearcase (12) is arranged at impeller box (10) upper end, impeller box (10) and gearcase (12) center are provided with revolving shaft I (14), revolving shaft I (14) is provided with impeller (11) and gear I (13), impeller (11) is positioned at impeller box (10), gear I (13) is positioned at gearcase (12), it is characterized in that: electronic counting partly is arranged at the base table outside, described watchcase (2) top is provided with cover (3), electronic counting partly is positioned at cover (3) inside, electronic counting partly comprises magnetic transmission component (5), gear train I (6) and the I of character wheel system (7), described magnetic transmission component (5) is positioned at the top of glass (4), magnetic transmission component (5) comprises shading ring (17) and shielding outer cover (23), shielding outer cover (23) is positioned at shading ring (17) upper end, be provided with following of transmission (18) and the transmission seat of honour (22) in the shading ring (17), the transmission seat of honour (22) is positioned at following (18) upper end of transmission, transmission following (18) is provided with O-ring seal I (19) with shading ring (17) composition surface, be provided with O-ring seal II (20) between the transmission seat of honour (22) and shielding outer cover (23) composition surface, transmission following (18) and center, the transmission seat of honour (22) are provided with revolving shaft II (24), revolving shaft II (24) upper end is provided with pointer (26), pointer (26) below is provided with gear I (25), gear I (25) is positioned at shielding outer cover (23) top with pointer (26), revolving shaft II (24) bottom is provided with magnet steel I (21), magnet steel I (21) is positioned at following of transmission (18), the described character wheel I of system (7) comprises support (29), support (29) is provided with revolving shaft III (33), revolving shaft III (33) is provided with five character wheels (30), character wheel (30) both sides are provided with photoelectricity sampling part (31), photoelectricity sampling part (31) is connected with Single Chip Microcomputer (SCM) system (32), be provided with three fan-shaped windows on the described character wheel (30) in the form of a ring, photoelectricity sampling part (31) is provided with five photoelectric tubes arranging in the form of a ring, and described fan-shaped window center and photoelectric tube are centered close on the same circumference.