CN100456174C

CN100456174C - Automatically correcting time clock of radio wave

Info

Publication number: CN100456174C
Application number: CNB2005101093517A
Authority: CN
Inventors: 姚德礼; 周勇
Original assignee: HENGWEI PRECISION Manufacturing Co Ltd
Current assignee: HENGWEI PRECISION Manufacturing Co Ltd
Priority date: 2005-10-13
Filing date: 2005-10-13
Publication date: 2009-01-28
Anticipated expiration: 2025-10-13
Also published as: CN1949102A

Abstract

The invention relates to radio wave auto timing bell. It includes second hand drive assembly, hour, minute hands drive assembly, and control circuit. The second hand drive assembly includes second hand motor, second magnet wheel, second cross wheel, second hand gear wheel. The hour, minute hands drive assembly includes minute motor, minute magnet wheel, minute cross wheel, minute hand gear wheel, hour cross wheel, and hour hand gear wheel. The second, minute, hour cross wheels and their hand gear wheels are set. The magnet wheel of the motor is set location magnetize mark. The invention uses polarizing pin positioning assemblage to increase assemble speed and precision, magnet wheel positioning assemblage after magnetize to avoid minute, hour hands timing loosely caused by angular degree deviation between magnet N, S poles, stator polarity, and magnet gear wheel, the same motor system to reduce the cost, and many times contrast reading for the minute and second wheels hole site to enlarge reading range, increase pointer positioning accuracy.

Description

Automatically correcting time clock of radio wave

Technical field

The present invention relates to a kind of automatically correcting time clock of radio wave, especially with receiving radio wave signal automatic time correction to clock.

Background technology

The automatically correcting time clock of radio wave that has, when it is produced, general magnetite wheel adopts common movement technology, earlier to magnetite behind magnetic, with magnetite wheel and magnetite assembling, cause magnetite N again, S polarity and the assembling of magnetite wheel are not located and are formed easily that fixed angle is not poor, cause magnetite N in assembling process, magnetite is taken turns off normal after S polarity and the adhesive of stator polarity.Spend with stator poles sexual deviation 90 in assembling process as the magnetite wheel, by second 1: 30 ratio of gear of motor system, then second hand can depart from anchor point 3 degree and be equivalent to half second, does not reach the precision of automatically correcting time clock at all.In addition for locating as the anti-dazzling screen on the patent CN00264071.6 employing integral sensor detection Hour Minute Second gear derivation wheel.Each more increase by one and derives engaged wheel on the second wheel minute wheel, at anti-dazzling screen of engaged wheel gear outer setting, adopts sensor this anti-dazzling screen of interpretation and positions.To dividing, a second last anti-dazzling screen point is gone up interpretation and is determined an anchor point by sensor, in case cause the uncertainty gear rotate shake and gear injection molded slightly instability just cause interpretation data to be forbidden to cause every minute and second to be located to be forbidden.In addition on hour wheel more increase by one and derive engaged wheels and at three anti-dazzling screens of engaged wheel gear outer setting, three anti-dazzling screens that vary in size are meant 4 anti-dazzling screens respectively surely, 8 anti-dazzling screens, 12 anti-dazzling screens, determine 4 by one of them anti-dazzling screen of interpretation, 8,12 wherein position, can shorten positioning time outwardly and carry out next step action fast, can actual three anti-dazzling screen sizes differ that too greatly then to cause the Hour Minute Second anti-dazzling screen to rotate overlapping, light can not conducting be difficult to the location, and size differs less then can be judged to 4 anti-dazzling screen positions 8 anti-dazzling screens and 12 anti-dazzling screens of 8 anti-dazzling screens erroneous judgements cause the location mistake by mistake.Moreover above-mentioned patent causes the total volume to amplify at the normal automatically correcting time clock fixedly anti-dazzling screens that increase on cover Hour Minute Second engaged wheels and the engaged wheel also more, and function button needs external, the difficult assembling of complex structure, and the location is inaccurate.Its actual manufacturing cost is high and locate inaccurately, not can reach the precision of high precision automatically correcting time clock.

Summary of the invention

The present invention overcomes above-mentioned shortcoming, provides a kind of automatically correcting time clock of radio wave to society.It can realize that high precision carries out automatic correcting time.

In addition, it also has low cost, and volume is little, in enormous quantities the characteristics of high speed production.

Technical scheme of the present invention is: design a kind of automatically correcting time clock of radio wave, it includes the second hand of device in gear case and drives assembly, the time, minute hand drives assembly and control circuit, this second hand drives assembly and comprises a second magnetite wheel, second third wheel, second hand wheel, the time, minute hand drives assembly and comprises the time-division motor, divides the magnetite wheel, divide third wheel, minute gear, hour setting wheel, hour hand gear.Appropriate location and second third wheel on gear case, second hand wheel divides third wheel, minute gear, hour setting wheel, hour hand gear is equipped with pilot hole.

The magnetite wheel of motor is provided with locatees the mark that magnetizes.Magnetize and be labeled as three in described location.

Described second hand drives assembly, the time, the motor model that drives in the assembly of minute hand is identical, and second magnetite wheel with divide magnetite wheel and second third wheel and divide third wheel, be identical gear.

Button RESET, button WAVE, button SET is integrated to be installed in the gear case.

Position, two or more hole mark is arranged on second hand wheel, minute gear.

Present technique is owing to adopted two groups of identical motor systems, and the transmission of preceding two-stage is the gear with identical modulus, number of teeth.Adopted the magnetite wheel of motor to be provided with the location mark that magnetizes, and after magnetite and magnetite wheel are finished assembling, magnetized again, made the form of gear tooth and motor stator formation fixed angle.Can improve time-division second hand positional accuracy like this.

Present technique has adopted and pilot hole is set on gear and gear case has adopted the pilot pin assembling, make between gear and the gear housing to have identical profile of tooth interlock on producing, and there is the same position relation in a second timesharing interpretation district.Make the production of assembling low-cost and high-quality high speed.

Above-mentioned clock adopts the position interpretation of 3 holes repeatedly to compare by sensor to second wheel, minute wheel and obtains second hand, minute hand anchor point accurately, and is inaccurate to avoid causing because of shake and gear forming are unstable second hand, minute hand location.Get point data by the increase of position, interpretation hole (Kong Weike is designed into maximum) expansion interpretation range and improve bearing accuracy, (because of the interpretation rib position less point data of getting of scope less, then can cause two motor systems to divide second hand to rotate separately for a long time in driving just to make the light conducting, increase the situation of makeing mistakes as strengthening the rib position by force).Directly run to zero point (12 point) by sensor interpretation hour wheel from starting point.And then enter the radio wave signal reception, drive two groups of motors after the time of receipt (T of R) respectively and arrive the standard time.

Above-mentioned clock is integrated in button in the gear case, makes the clock apparatus miniaturization.

Description of drawings

Accompanying drawing 1 is this clock cut-open view;

Accompanying drawing 2 is this clock front elevations;

Accompanying drawing 3 is this clock front section views;

Accompanying drawing 4 is this clock second wheel and interpretation district synoptic diagram;

Accompanying drawing 5 is this clock minute wheel and interpretation district synoptic diagram;

Accompanying drawing 6 is this clock hour wheel and interpretation district synoptic diagram;

Minute wheel and interpretation district combination synoptic diagram when accompanying drawing 7 is this clock;

Accompanying drawing 8 is this clock magnetite wheel schematic top plan view

Accompanying drawing 9 is this clock magnetite wheel synoptic diagram.

Embodiment

Below will do a detailed explanation, consult accompanying drawing structural design and the principle of work and the fit of this clock, will be to the understanding further of this clock do.

See also Fig. 1 to Fig. 3, the present invention adopts the transmission of two groups of identical motor systems and preceding two-stage for having identical modulus, the gear of the number of teeth, and with button RESET40, button WAVE41, button SET41 is integrated in gear case inside, make the whole automatically correcting time clock can miniaturization, universalization, cost degradation.

During assembling, with two step motor middle clamp plate 01 of packing into, the middle clamp plate 01 of simultaneously two magnetites wheel 11 being packed into, second wheel 13 is packed on middle clamp plate 01 pilot pin 32 by pilot hole, to divide third wheel 14 middle clamp plate 01 of packing into,

pilot pin

31 and 33 is inserted in the back, again with two third wheels 12 by pilot hole middle clamp plate 01 pilot pin 31 of packing into, on 33, capping lid 02.So far 60 teeth fit like a glove with second last 8 teeth of third wheel 12b on second motor system second wheel 13, and second last 48 teeth of third wheel 12a fit like a glove with 12 teeth on the magnetite wheel 11.In like manner divide motor system to divide last 8 teeth of third wheel 12b with dividing last 60 teeth of third wheel 14a to fit like a glove.Divide last 48 teeth of third wheel 12a to fit like a glove with 12 teeth on the magnetite wheel 11.

Minute wheel 15 is contained on middle clamp plate 01 pilot pin 32 by pilot hole, and last 60 teeth of minute wheel 15a are with dividing last 10 teeth of third wheel 14b to fit like a glove.With hour setting wheel 16 and hour wheel 17 respectively by the pilot pin middle clamp plate 01 of packing into, lid lower cover 03 and insert PCB 04.So far last 15 teeth of minute wheel 15b fit like a glove with last 45 teeth of hour setting wheel 16a, and 48 teeth fit like a glove with last 12 teeth of hour setting wheel 16b on the hour wheel 17.After all pilot pins are extracted after, the position relation is fixing between each gear, the back Hour Minute Second that can guarantee to repeat to make zero has guaranteed the stable of automatically correcting time clock in the precision of zero point (12 point), accurately, and produces fast.Otherwise the gear relative position is not fixed, and then makes zero because after the mutually complete interlock of gear, producing the time-division second hand can not be forbidden because of pointer reference point at zero point accurately to zero point (12 point), receives that radio wave clock signal backpointer shows that the time is also inaccurate.By emission sensor 22 and 21 pairs of hour wheels 17 of receiving sensor, minute wheel 15, second wheel 13 interpretations have avoided other gear to disturb light transmission.

To shown in Figure 7, Fig. 4 second wheel 13 is provided with three interpretation district ABC as Fig. 4, compares with micro computer (MCU) internal data by three different interpretation district ABC on the sensor interpretation second wheel 13, obtains accurate second hand anchor point.Fig. 5 compares with micro computer (MCU) internal data by three different interpretation district EFK on the sensor interpretation minute wheel 15, more than every minute and second is adopted three times to recently determining a bit, when wherein correlation data and micro computer (MCU) have deviation, be reference location then according to other two secondary data, as twice correlation data wherein and micro computer (MCU) have deviation then again interpretation locate.After accurately knowing minute wheel 15 positions, interpretation district H is identical with the comparison of micro computer (MCU) internal data as shown in Figure 6 on the intact hour wheel 17 of interpretation then runs through next minute wheel interpretation district K and promptly stops, and enters radio wave signal and receives.Drive two groups of motor systems after time of receipt (T of R) respectively and arrive the standard time.Above technology adopt 3 of everys minute ands second repeatedly contrast improve the every minute and second positional accuracy, avoid can not accurately locating because of the shake of second hand minute hand and gear forming instability cause second minute hand.Directly return to zero point (12 point) at hour wheel, avoid mistake to return other point from starting point.Guaranteed the situation that Hour Minute Second can not have deviation and can not make mistakes for a long time.

Referring to Fig. 8 and Fig. 9 magnetite wheel is to adopt G1 by gear 11a and magnetite 11b assembling back, G2, G3 magnetizes the location, guarantee that magnetite wheel 11 is maintained fixed angle a1 with stator, improving the every minute and second accuracy (spends with stator poles sexual deviation 90 in assembling process as the magnetite wheel, by second 1: 30 ratio of gear of motor system, then second hand can depart from anchor point 3 degree and be equivalent to half second, does not reach the automatically correcting time clock precision at all).

In sum, more than present technique has been done one and has been described in detail, the above person only is the preferred embodiment of present technique, when the scope that can not limit present technique enforcement.Be that all equalizations of doing according to the present technique application range change and modify etc., should belong in the patent covering scope of present technique.

Claims

1, a kind of automatically correcting time clock of radio wave, include the second hand of device in gear case and drive assembly, the time, minute hand drives assembly and control circuit, this second hand drives assembly and comprises the second hand motor, second magnetite wheel, second third wheel, second hand wheel, the time, minute hand drives assembly and comprises the time-division motor, divides the magnetite wheel, divides third wheel, minute gear, hour setting wheel, hour hand gear is characterized in that: appropriate location and second third wheel on gear case, second hand wheel, divide third wheel, minute gear, hour setting wheel, hour hand gear is equipped with pilot hole; The magnetite wheel of motor is provided with locatees the mark that magnetizes, and described magnetite wheel is provided with at least one and locatees the mark that magnetizes more than one.

2, automatically correcting time clock of radio wave according to claim 1 is characterized in that: described second hand drives assembly, the time, the motor model that drives in the assembly of minute hand is identical, and second magnetite wheel with divide magnetite wheel and second third wheel and divide third wheel, be identical gear.

3, automatically correcting time clock of radio wave according to claim 2 is characterized in that: second hand wheel and minute gear are provided with the position, interpretation hole more than at least 2 or 2.

4, automatically correcting time clock of radio wave according to claim 3 is characterized in that: described position, interpretation hole more than at least 2 or 2 is 3.

5, automatically correcting time clock of radio wave according to claim 4 is characterized in that: button RESET, and button WAVE, button SET is integrated to be installed in the gear case.