CN105318928A - A detachable electronic direct reading counting device - Google Patents
A detachable electronic direct reading counting device Download PDFInfo
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- CN105318928A CN105318928A CN201510426578.8A CN201510426578A CN105318928A CN 105318928 A CN105318928 A CN 105318928A CN 201510426578 A CN201510426578 A CN 201510426578A CN 105318928 A CN105318928 A CN 105318928A
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- gear
- pointer
- counting assembly
- resistance sensor
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Abstract
The invention relates to the field of instruments and provides a detachable electronic direct reading counting device. The electronic direct reading counting device comprises a basic meter and a counting device box installed above the basic meter. A Z-axis magnetoresistance sensor circuit board, an upper clamping plate, a gear assembly and a lower clamping plate are installed in the counting device box from top to bottom. The basic meter is provided with a pointer and the pointer is provided with pointer magnets. The gear assembly comprises a magnetic gear and a transmission gear set in transmission connection with the magnetic gear, wherein the magnetic gear is provided with gear magnets. The upper clamping plate is provided with a plurality of permanent magnets capable of rotating coaxially with the transmission gear set. The pointer and the magnetic gear are coaxial and are connected through a magnetic field. The Z-axis magnetoresistance sensor circuit board is provided with a plurality of Z-axis magnetoresistance sensor chips. The Z-axis magnetoresistance sensor chips and the permanent magnets are coaxial. The electronic direct reading counting device solves the problem of light decay of photoelectric instruments, is free of a critical state and a fuzzy state, and has improved precision.
Description
Technical field
The invention belongs to instrument field, particularly relate to a kind of direct-reading counting water meter device.
Background technology
The domestic electronic direct-reading counting assembly widely using water meter outside, mainly contains dry-reed at present, hall element type, photo-electric three kinds of modes.Wherein dry-reed and Hall element belong to active mode, and photo-electric belongs to passive mode.The straight counting assembly of electronics of active mode needs a direct power supply, supposes power-off, there will be the situation of losing pulse.The optical-electric module that the photo-electric electronic direct-reading counting assembly of passive mode is made up of photoelectric tube, has light decay phenomenon so may affect the precision of photoelectric reading due to photoelectric tube, thus causes and misread and report an error.
Summary of the invention
The object of the invention is to overcome photo-electric in prior art and can cause the deficiency misread and report an error, a kind of dismountable electronic direct-reading counting assembly is provided, the Z axis magnetic resistance sensor that this electronic installation mainly adopts, when not changing original water gauge structure by Magnetic drive gear assembly, realize passing gear assembly 360 ° of circles to magnetic to measure, accuracy of reading rate 100%, there is not critical conditions and fringe, degree of accuracy is high, the significantly minimizing of electronic devices and components, greatly reduce the risk that product causes because of device, improve the stability of whole product.This device convenient disassembly, structure are simple, rationally, are convenient to the utilization again of electronic installation after water meter 6 years involuntary conversions.
The technical solution adopted for the present invention to solve the technical problems is: a kind of dismountable electronic direct-reading counting assembly, comprises base table and is arranged on the counting assembly box above base table; In described counting assembly box, Z axis magnetic resistance sensor wiring board, train wheel bridge, gear assembly and lower plate are installed successively from top to bottom; Described base table is provided with pointer, described pointer is provided with pointer magnet; The driving gear set that described gear assembly comprises magnetic gear and is connected with described magnetic gear drive, wherein magnetic gear is provided with gear magnet, described train wheel bridge is provided with some can with the permanent magnet of driving gear set coaxial rotation; Described pointer is coaxial with described magnetic gear, and is connected by magnetic field between the two; Described Z axis magnetic resistance sensor wiring board is provided with some Z axis magnetic resistance sensor chips; Described Z axis magnetic resistance sensor chip and described permanent magnet one_to_one corresponding, and described Z axis magnetic resistance sensor chip is coaxial with corresponding permanent magnet.
As preferably, for convenience of installing and maintenance and sealing effectiveness, be positioned at Z axis magnetic resistance sensor wiring board top in described counting assembly box and be also provided with liner plate, counting assembly box top is also provided with cover plate, described cover plate be tightly connected with liner plate.
As preferably, for improving the reliability of transmission, the precision of the raising number of degrees further, described gear magnet quantity is 4, and is uniformly distributed along described a certain circumference of gear direction; Described pointer magnet quantity is 4, and is uniformly distributed along described pointer circumferencial direction.
Further, for ensureing the reliability of magnetic sensing, described driving gear set comprises the first gear, the second gear, the 3rd gear, the 4th gear, the 5th gear, the 6th gear, the 7th gear, octadentate wheel and the 9th gear that are connected with a joggle successively; Described first gear and described magnetic gears meshing; Described train wheel bridge is provided with 4 coaxial with described 3rd gear, the 5th gear, the 7th gear and the 9th gear respectively permanent magnets, corresponding described Z axis magnetic resistance sensor number of chips is 4, and coaxial with 4 described permanent magnets respectively.
As preferably, for avoiding base table glass surface to receive environmental damage or accumulation dust, described base table upper surface is also provided with table cover.
Beneficial effect of the present invention:
1. a dismountable electronic direct-reading counting assembly, have employed Z axis magnetic resistance sensor, thus avoids the generation that photo-electric instrument has light decay phenomenon.Gear assembly 360 ° of circles are measured, and accuracy of reading rate 100%, does not exist critical conditions and fringe, improve precision.
2, this dismountable electronic direct-reading counting assembly, only need 1 wiring board and 4 Z axis magnetic resistance sensor chips, the significantly minimizing of electronic devices and components, greatly reduces the risk that product causes because of device, improves the stability of whole product.
3, this dismountable electronic direct-reading counting assembly compact conformation, easy for installation, structure is simple, rationally, is convenient to the utilization again of electronic installation after water meter 6 years involuntary conversions.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 dismountable electronic direct-reading counting assembly structural representation;
Fig. 2 dismountable electronic direct-reading counting assembly cut-open view;
Fig. 3 dismountable electronic direct-reading counting assembly vertical view;
Fig. 4 is dismountable, and partial sectional view overlooked by electronic direct-reading counting assembly;
Counting assembly box inner structure and base table structural representation in the dismountable electronic direct-reading counting assembly of Fig. 5;
The structural representation of train wheel bridge and lower plate in the dismountable electronic direct-reading counting assembly of Fig. 6;
The structural representation of Fig. 7 dismountable electronic direct-reading counting assembly gear assembly;
The connection diagram of Fig. 8 dismountable electronic direct-reading counting assembly permanent magnet, Z axis magnetic resistance sensor chip and wiring board.
Wherein: 1. counting assembly box, 2. cover plate, 3. liner plate, 4. table cover, 5.Z axle magnetic resistance sensor wiring board, 6. permanent magnet, 7. train wheel bridge, 8. lower plate, 9.Z axle magnetic resistance sensor chip, 10. gear magnet, 11. gear assemblies, 12. pointer magnet, 13. base tables, 14. pointers, 101. magnetic gears, 201. first gears, 301. second gears, 401. the 3rd gears, 501. the 4th gears, 601. the 5th gears, 701. the 6th gears, 801. the 7th gears, 901. octadentate wheels, 1001. the 9th gears.
Embodiment
Embodiment
As shown in figures 1-4, a kind of dismountable electronic direct-reading counting assembly, the counting assembly box 1 comprising base table 13 and be arranged on above base table 13; As shown in figures 2 and 5, in described counting assembly box 1, Z axis magnetic resistance sensor wiring board 5, train wheel bridge 7, gear assembly 11 and lower plate 8 are installed successively from top to bottom; Described base table 13 is provided with pointer 14, described pointer 14 is provided with pointer magnet 12; As shown in Figures 6 and 7, the driving gear set that described gear assembly 11 comprises magnetic gear 101 and is in transmission connection with described magnetic gear 101, wherein magnetic gear 101 is provided with gear magnet 10, described train wheel bridge 7 is provided with some can with the permanent magnet 6 of driving gear set coaxial rotation; Described pointer 14 is coaxial with described magnetic gear 101, and is connected by magnetic field between the two; As shown in Figure 8, described Z axis magnetic resistance sensor wiring board 5 is provided with some Z axis magnetic resistance sensor chips 9; Described Z axis magnetic resistance sensor chip 9 and described permanent magnet 6 one_to_one corresponding, and described Z axis magnetic resistance sensor chip 9 is coaxial with corresponding permanent magnet 6.
Specifically can adopt following structure: as shown in Figure 5, described gear magnet 10 quantity is 4, and is uniformly distributed along described magnetic gear 101 circumferencial direction; Described pointer magnet 12 quantity is 4, and is uniformly distributed along described pointer 14 circumferencial direction, can further improve the reliability of transmission and the precision of the number of degrees.
As shown in Figures 6 and 7, described driving gear set comprises the first gear 201, second gear 301, the 3rd gear 401, the 4th gear 501, the 5th gear 601, the 6th gear 701, the 7th gear 801, octadentate wheel 901 and the 9th gear 1001 that are connected with a joggle successively; Described first gear 201 engages with described magnetic gear 101; Described train wheel bridge 7 is provided with 4 coaxial with described 3rd gear 401, the 5th gear 601, the 7th gear 801 and the 9th gear 1001 respectively permanent magnets 6, and 4 permanent magnets can rotate with the 3rd gear 401, the 5th gear 601, the 7th gear 801 and the 9th gear 1001 respectively, corresponding described Z axis magnetic resistance sensor chip 9 quantity is 4, and respectively with 4 described permanent magnet 6 coaxial.Design suitable ratio of gear, realize 4 permanent magnets 6 and rotate with different rotating speeds, the reliability of magnetic sensing can be ensured.
As shown in Fig. 1,3 and 4, for convenience of installing and keeping in repair and sealing effectiveness, be positioned at Z axis magnetic resistance sensor wiring board 5 top in described counting assembly box 1 and be also provided with liner plate 3, counting assembly box 1 top is also provided with cover plate 2, and described cover plate 2 adopts encapsulating technology to be connected and sealed with liner plate 3.
As shown in figs. 1 and 3, for avoiding base table 13 glass surface to receive environmental damage or accumulation dust, described base table 13 upper surface is also provided with table cover 4.
Principle of work of the present invention is as follows: after metering water meter is started working, the pointer 14 of the band pointer magnet 12 in base table 13 starts to rotate, pointer magnet 12 drives the magnetic gear 101 of band gear magnet 10 by magnetic field, magnetic gear 101 drives driving gear component 11, with the 3rd gear 401, 5th gear 601, 4 coaxial permanent magnets 6 of the 7th gear 801 and the 9th gear 1001 rotate with different rotating speeds, the rotating magnetic field that the permanent magnet 6 of correspondence produces by Z axis magnetic resistance sensor chip 9, be converted into sinusoidal and cosine (angle), algorithm is utilized to calculate the position of 0-9, improve the accuracy of reading, improve the reliability of test result.
Should be appreciated that specific embodiment described above only for explaining the present invention, being not intended to limit the present invention.Still be among protection scope of the present invention by spirit institute's apparent change of extending out of the present invention or change.
Claims (5)
1. a dismountable electronic direct-reading counting assembly, is characterized in that: comprise base table (13) and be arranged on the counting assembly box (1) above base table (13); Z axis magnetic resistance sensor wiring board (5), train wheel bridge (7), gear assembly (11) and lower plate (8) are from top to bottom installed in described counting assembly box (1) successively; Described base table (13) is provided with pointer (14), described pointer (14) is provided with pointer magnet (12); The driving gear set that described gear assembly (11) comprises magnetic gear (101) and is in transmission connection with described magnetic gear (101), wherein magnetic gear (101) is provided with gear magnet (10), described train wheel bridge (7) is provided with some can with the permanent magnet of driving gear set coaxial rotation (6); Described pointer (14) is coaxial with described magnetic gear (101), and is connected by magnetic field between the two; Described Z axis magnetic resistance sensor wiring board (5) is provided with some Z axis magnetic resistance sensor chips (9); Described Z axis magnetic resistance sensor chip (9) and described permanent magnet (6) one_to_one corresponding, and described Z axis magnetic resistance sensor chip (9) is coaxial with corresponding permanent magnet (6).
2. dismountable electronic direct-reading counting assembly according to claim 1, it is characterized in that: be positioned at Z axis magnetic resistance sensor wiring board (5) top in described counting assembly box (1) and be also provided with liner plate (3), counting assembly box (1) top is also provided with cover plate (2), described cover plate (2) be tightly connected with liner plate (3).
3. dismountable electronic direct-reading counting assembly according to claim 1, is characterized in that: described gear magnet (10) quantity is 4, and is uniformly distributed along described magnetic gear (101) circumferencial direction; Described pointer magnet (12) quantity is 4, and is uniformly distributed along described pointer (14) circumferencial direction.
4. dismountable electronic direct-reading counting assembly according to claim 1, is characterized in that: described driving gear set comprise be connected with a joggle successively the first gear (201), the second gear (301), the 3rd gear (401), the 4th gear (501), the 5th gear (601), the 6th gear (701), the 7th gear (801), octadentate wheel (901) and the 9th gear (1001); Described first gear (201) is engaged with described magnetic gear (101); Described train wheel bridge (7) is provided with 4 coaxial with described 3rd gear (401), the 5th gear (601), the 7th gear (801) and the 9th gear (1001) respectively permanent magnets (6), corresponding described Z axis magnetic resistance sensor chip (9) quantity is 4, and coaxial with 4 described permanent magnets (6) respectively.
5. dismountable electronic direct-reading counting assembly according to claim 1, is characterized in that: described base table (13) upper surface is also provided with table cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426578.8A CN105318928A (en) | 2015-07-20 | 2015-07-20 | A detachable electronic direct reading counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426578.8A CN105318928A (en) | 2015-07-20 | 2015-07-20 | A detachable electronic direct reading counting device |
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| Publication Number | Publication Date |
|---|---|
| CN105318928A true CN105318928A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510426578.8A Pending CN105318928A (en) | 2015-07-20 | 2015-07-20 | A detachable electronic direct reading counting device |
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| CN (1) | CN105318928A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806908A (en) * | 2017-11-30 | 2018-03-16 | 泰安市山虎仪表科技有限公司 | A kind of electromechanical separate type IC-card water meter with transmission inducing function |
| CN108827415A (en) * | 2018-06-21 | 2018-11-16 | 江苏赛达电子科技有限公司 | A kind of counting mechanism and water meter |
| CN108955803A (en) * | 2018-08-28 | 2018-12-07 | 四川府星仪表有限公司 | A kind of counting device of Intelligent water meter of Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489600A (en) * | 1982-09-03 | 1984-12-25 | Shinhan Kongki Co., Ltd. | Water meter with an anti-reverse-rotation device |
| CN202853675U (en) * | 2012-10-19 | 2013-04-03 | 山东三龙智能技术有限公司 | Installation structure of switch magnetoresistive sensor of intelligent water meter |
| CN203053505U (en) * | 2012-12-25 | 2013-07-10 | 山东三龙智能技术有限公司 | Installation structure of intelligent gas meter switch magnetoresistive sensor |
| CN203929136U (en) * | 2014-06-06 | 2014-11-05 | 江阴市立信智能设备有限公司 | Based on the metering water meter of magnetoresistive transducer |
| CN104156764A (en) * | 2014-07-31 | 2014-11-19 | 胡子潜 | Photoelectric instrument mechanical counter |
| CN205066848U (en) * | 2015-07-20 | 2016-03-02 | 谈晓彬 | Dismountable electronics direct reading count device |
-
2015
- 2015-07-20 CN CN201510426578.8A patent/CN105318928A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489600A (en) * | 1982-09-03 | 1984-12-25 | Shinhan Kongki Co., Ltd. | Water meter with an anti-reverse-rotation device |
| CN202853675U (en) * | 2012-10-19 | 2013-04-03 | 山东三龙智能技术有限公司 | Installation structure of switch magnetoresistive sensor of intelligent water meter |
| CN203053505U (en) * | 2012-12-25 | 2013-07-10 | 山东三龙智能技术有限公司 | Installation structure of intelligent gas meter switch magnetoresistive sensor |
| CN203929136U (en) * | 2014-06-06 | 2014-11-05 | 江阴市立信智能设备有限公司 | Based on the metering water meter of magnetoresistive transducer |
| CN104156764A (en) * | 2014-07-31 | 2014-11-19 | 胡子潜 | Photoelectric instrument mechanical counter |
| CN205066848U (en) * | 2015-07-20 | 2016-03-02 | 谈晓彬 | Dismountable electronics direct reading count device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806908A (en) * | 2017-11-30 | 2018-03-16 | 泰安市山虎仪表科技有限公司 | A kind of electromechanical separate type IC-card water meter with transmission inducing function |
| CN108827415A (en) * | 2018-06-21 | 2018-11-16 | 江苏赛达电子科技有限公司 | A kind of counting mechanism and water meter |
| CN108955803A (en) * | 2018-08-28 | 2018-12-07 | 四川府星仪表有限公司 | A kind of counting device of Intelligent water meter of Internet of things |
| CN108955803B (en) * | 2018-08-28 | 2024-04-09 | 四川府星仪表有限公司 | Counting assembly of intelligent water meter of thing networking |
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Application publication date: 20160210 |