JP3642237B2 - Timing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a multi-function timing device provided with a needle.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as a multifunctional timing device provided with hands, there is a wristwatch having an analog display type chronograph function, for example. This wristwatch is provided with, for example, a mechanical nulling mechanism for operating the chronograph.
[0003]
FIG. 18 is a plan view showing an example of a nulling mechanism of a wristwatch having a conventional analog display type chronograph function. This nulling mechanism is a mechanism for operating the second chronograph hand 2 disposed in the center of the timepiece body 1.
[0004]
When the start / stop button 3 is pressed, the operating cam 5 rotates one tooth by the operating lever 4, and the tip of the first start / stop lever 6 falls between the columns 5 a provided on the operating cam 5. As a result, the first start / stop lever 6 and the second start / stop lever 7 are separated from the ring 8 that transmits the driving force to the second chronograph hand 2, so that the second chronograph hand 2 rotates. When the start / stop button 3 is pressed again, the operating cam 5 rotates one tooth by the operating lever 4, and the tip of the first start / stop lever 6 is lifted by the column 5 a of the operating cam 5. As a result, the first start / stop lever 6 and the second start / stop lever 7 are brought into contact with the ring 8 to lift the ring 8, so that no driving force is transmitted to the second chronograph hand 2 and the second chronograph hand 2 is stopped. To display the measurement time. Further, when the reset button 9 is pressed, the operation cam 5 is rotated by one tooth by the operation lever 10, and the tip of the zero return lever 11 falls between the columns 5 a of the operation cam 5. As a result, the zero return lever 11 strikes the heart cam 12 connected to the second chronograph hand 2, so that the second chronograph hand 2 returns to the zero position.
[0005]
[Problems to be solved by the invention]
In the wristwatch having an analog display type chronograph function as the conventional time measuring device described above, since the second chronograph hand 2 is arranged at the center of the timepiece main body 1, the nulling mechanism is provided on one side of the timepiece main body 1. It is necessary to arrange in. Therefore, there is a problem that a useless space is easily generated on the other side of the watch body 1 and the watch body 1 is enlarged.
[0006]
Further, since the operation cam 5 of the zero return mechanism cannot be arranged at the center of the watch body 1, in the case of a wristwatch having a plurality of chronograph hands, it is necessary to change the length of the return lever of each chronograph hand. is there. Therefore, it is difficult to design the same torque and timing of each zero return lever when hitting each heart cam, and there is a problem that there is a limit in improving accuracy, and a wasteful space is easily generated in the arrangement. There was a problem that 1 became large.
[0007]
An object of the present invention is to solve the above-described problems and provide a small and highly accurate timing device.
[0008]
[Means for Solving the Problems]
  BookThe present invention includes a normal time display unit for displaying normal time, a time information display unit for displaying time information other than the normal time, and a null for mechanically returning the time information display unit to zero. A time measuring device having a lever and a zeroing mechanism having an operating cam for operating the zeroing lever, wherein the operating cam is disposed substantially at the center of the device main body.And the rotation center position of the pointer wheel to which the pointer of the normal time display unit is attached and the rotation center position of the pointer wheel to which the pointer of the time information display unit is attached are arranged at a substantially central peripheral portion of the apparatus main body.This is a time measuring device.
[0009]
  thisDepending on configurationSince the operating cam is arranged at substantially the center of the main body of the time measuring device, the entire nulling mechanism can be made compact, and the button position and layout can be freely made by downsizing the main body of the time measuring device.In addition, in the present invention, since the pointer wheel for attaching the pointers of the normal time display unit and the time information display unit is arranged around the central part of the main body of the time measuring device, the operation cam is arranged at the approximate center of the main body of the time measuring device. The entire nulling mechanism can be configured in a compact manner, and the button position and layout can be freely set by downsizing the main body of the timing device.
[0012]
  Furthermore, the present inventionOne said actuating cam is a time measuring device which act | operates the said several zero return lever.
[0013]
  According to this configurationSince the length of the multiple zeroing levers can be made substantially the same and each zeroing lever can be operated by one operating cam, it is possible to design the torque and timing of each zeroing lever to be the same. Can be further enhanced.
[0014]
  Furthermore, the present inventionThe time measuring device includes a power generator that converts mechanical energy into electrical energy and generates a driving voltage for driving the normal time display unit and the time information display unit.
[0015]
  According to this configurationSince the drive voltage is supplied by the power generation device, a power battery can be dispensed with.
[0016]
  Furthermore, the present inventionThe power generation device is a timing device including a power generation rotor and a power generation coil.
[0017]
  According to this configurationThe generator rotor is rotated, and the motor drive voltage is generated in the generator coil by electromagnetic induction.
[0018]
  Furthermore, the present inventionThe power generation rotor is a timing device that is rotated by a rotating weight.
[0019]
  According to this configurationSince the power generation rotor is rotated by the rotating weight, the storage of the motor drive voltage can be automated.
[0020]
  Furthermore, the present inventionThe time information whose time information other than the normal time is a chronograph.
[0021]
  According to this configurationSince the time information display unit other than the normal time is a chronograph, an arbitrary time can be measured while displaying the normal time.
[0022]
  Furthermore, the present inventionThe time information other than the normal time is a time measuring device having two or more types of time unit display means.
[0023]
  According to this configurationIn addition to the normal time, a time unit such as 1/10 second or 12 hours can be displayed.
[0024]
  Furthermore, the present inventionThe two or more types of time unit display means are time measuring devices having a train wheel.
[0025]
  According to this configurationSince two or more types of display means for time units are operated in a train wheel, smooth operation can be achieved.
[0026]
  Furthermore, the present inventionThe timing device is a wristwatch.
[0027]
  According to this configurationFor example, it can be configured as a chronograph that is small and does not require replacement of a battery or the like.
[0028]
  Furthermore, the present inventionThe timing device is a quartz watch.
[0029]
  According to this configurationIt can be configured as, for example, a chronograph that is a quartz-type compact having a mechanical zero return structure and does not require replacement of a battery or the like.
[0030]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described with reference to the drawings.
[0031]
A characteristic part of the time measuring device of the present invention is the structure of a mechanical nulling mechanism by arranging a normal time display and a time information display other than the normal time.
[0032]
FIG. 1 is a plan view of an embodiment of the timing device of the present invention as viewed from the front side.
[0033]
A clock device 1000 shown in FIG. 1 is an analog electronic timepiece having a chronograph function, and a dial 1002 and transparent glass 1003 are fitted inside an outer case 1001. A crown 1101, which is an external operation member, is arranged at the 4 o'clock position of the outer case 1001, and a start / stop button 1201 and a reset button 1202 for the chronograph are arranged at approximately 2 o'clock position and approximately 10 o'clock position. ing. Further, at approximately 6 o'clock position of the dial 1002, a normal time display portion 1110 including an hour hand 1111, a minute hand 1112 and a second hand 1113 which are hands for normal time is disposed, and approximately 3 o'clock position, approximately 12 o'clock position and At approximately 9 o'clock position, display units 1210, 1220, and 1230 having chronograph auxiliary hands are arranged. That is, a 12-hour display unit 1210 having hour-minute chronograph hands 1211 and 1212 for displaying 12 hours with a hand is arranged at approximately 3 o'clock, and 60 seconds with a hand at approximately 12 o'clock. A 60-second display unit 1220 having a 1-second chronograph hand 1221 for displaying is arranged, and a 1 / 10-second chronograph hand 1231 for displaying 1 second with a hand is arranged at approximately 9 o'clock. A second display unit 1230 is arranged.
[0034]
As described above, in the timing device 1000 shown in FIG. 1, the normal time display unit 1110, the 12-hour display unit 1210, the 60-second display unit 1220, and the 1-second display unit 1230 are arranged at positions other than the center of the main body of the timing device 1000. Therefore, a nulling mechanism 1200R described later can be arranged at the center position of the main body of the time measuring device 1000.
[0035]
FIG. 2 is a plan view of the movement 1700 of the timing device 1000 shown in FIG. 1 as viewed from the back side of the timing device 1000.
[0036]
A movement 1700 shown in FIG. 2 has a motor 1300 for driving the hands of the normal time display unit 1110 on the 6 o'clock side on the main plate 1701, and a driving force of the motor 1300 for transmitting the driving force of the motor 1300 to the hands of the normal time display unit 1110. The normal time train wheel 1100G, the switching unit 1100C for switching to the time of the normal time display unit 1110 and the calendar correction state, the IC 1702 constituting the control circuit 1800, the tuning fork type crystal resonator 1703, the large-capacitance capacitor 1814, etc. are arranged at 12:00 In order to transmit the driving force of the motor 1400 and the motor 1400 for driving the hands of the 12-hour display unit 1210, the 60-second display unit 1220, and the 1-second display unit 1230 to the needles of the display units 1210, 1220, and 1230 on the direction side. Chronograph train 1200G and secondary power source 1500 such as lithium ion power source are arranged It has been.
[0037]
In FIG. 2, the normal time train wheel 1100G includes the train wheels of the fifth wheel 1121, the fourth wheel 1122, the third wheel 1123, the second wheel 1124, the minute wheel 1125, and the hour wheel 1126. The train wheel configuration provides normal time seconds, minutes, and hours. The rotation center position of each of the pointer wheels is arranged in the peripheral portion at the substantially center of the apparatus main body. That is, when the whole including the gear portion of each pointer wheel is arranged away from the central portion of the device main body, and the rotation center of each pointer wheel is out of the central portion of the device main body, A part of the outer peripheral portion or the like may be placed on the center of the apparatus main body.
[0038]
In FIG. 2, motors 1300 and 1400 are step motors, and are composed of coil blocks 1302 and 1402 having a magnetic core made of a high magnetic permeability material as a core, stators 1303 and 1403 made of a high magnetic permeability material, a rotor magnet and a rotor kana. The rotors 1304 and 1404 are configured.
[0039]
In FIG. 2, the switching unit 1100 </ b> C includes a winding stem 1128 in which the crown 1101 shown in FIG. 1 is fixed at one end and a pinion wheel 1127 is fitted at the other end, a small iron wheel 1129, a setting lever 1131, and a setting lever presser 1132. , A yoke 1133 and a setting lever 1130 are provided.
[0040]
The setting lever 1131 is provided with another operation pin 1131c facing the click pin 1131b and the setting rotation shaft 1131a. The operating pin 1131c is engaged with a slotted hole 1133a and a setting lever slot 1130a provided in the shape of the knob 1133 and the setting lever 1130. Further, the center wheel of the pinion wheel 1127 is guided by the winding stem 1128, and can be driven to rotate together with the rotation of the winding stem 1128.
[0041]
The yoke 1133 can rotate around the rotary shaft 1133b. Further, the tip is engaged with a notch provided in the pinwheel 1127. The operation of the yoke 1133 moves the pinion wheel 1127 back and forth to create a calendar correction state and a time correction state. The yoke 1133 has a spring portion, and a force always acts in the direction of the setting rotary shaft 1131a of the setting lever 1131. When the setting lever 1131 is rotated, the operating pin 1131c of the setting lever 1131 is also rotated, and the leading end of the yoke 1133 is moved to the outer side of the clutch wheel 1127 by the first slotted hole 1133a engaged with the operating pin 1131c. In the second stage, the clutch wheel 1127 is moved to the center side. In the first stage, the gear provided in the clutch wheel 1127 meshes with the calendar component on the back side, and the calendar can be corrected. In the second stage, the gear at the tip of the clutch wheel 1127 meshes with the small iron wheel 1129, and the time can be adjusted.
[0042]
The function of the setting lever 1130 is to set the fourth wheel & pinion 1122 when the time is corrected and to input a reset signal to stop the hand movement pulse. The operation is the same as that of the yoke 1133, and the center wheel 1122 is rotated around the setting lever elongated hole portion 1130 a engaged by the rotation of the operation pin 1131 c of the setting lever 1131, thereby setting the fourth wheel 1122. At the same time, it touches the reset pattern. Since the action of the setting lever 1130 is only required in the second step, the shape of the setting lever long hole portion 1130a escapes the rotation locus of the operating pin 1131c of the setting lever 1131 as it is from the 0th step to the 1st step.
[0043]
In the above configuration, when the crown 1101 is pulled and the winding stem 1128 is pulled out to the second stage, the reset signal input portion 1130b provided on the setting lever 1130 contacts the pattern of the circuit board 1704 on which the IC 1702 is mounted, The motor pulse output stops and the hand movement stops. At this time, the rotation of the fourth gear 1122a is regulated by the fourth regulation part 1130a provided on the regulation lever 1130. When the winding stem 1128 is rotated together with the crown 1101 in this state, the rotational force is transmitted from the clutch wheel 1127 to the minute wheel 1125 via the small iron wheel 1129 and the minute intermediate wheel 1125a. Here, since the second gear 1124a has a fixed sliding torque and is coupled to the second pinion 1124b, the small wheel 1129, the minute wheel 1125, the second pinion even if the fourth wheel 1122 is set. 1124b and hour wheel 1126 rotate. Accordingly, since the minute hand 1112 and the hour hand 1111 rotate, an arbitrary time can be set.
[0044]
In FIG. 2, a chronograph train wheel 1200G includes a train wheel of a 1/10 second CG (chronograph) intermediate wheel 1231 and a 1/10 second CG wheel 1232, and the 1/10 second CG wheel 1232 is displayed for 1 second. It is arranged at the center position of the portion 1230. With these wheel train configurations, the chronograph is displayed at 1/10 second at the 9 o'clock position of the watch body.
[0045]
In FIG. 2, the chronograph wheel train 1200G includes a 1-second CG first intermediate wheel 1221, a 1-second CG second intermediate wheel 1222, and a 1-second CG wheel 1223. It is arranged at the center position of the display unit 1220 for 60 seconds. With these wheel train configurations, the chronograph is displayed for 1 second at the 12 o'clock position of the watch body.
[0046]
Further, in FIG. 2, the chronograph wheel train 1200G includes a minute CG first intermediate wheel 1211, a minute CG second intermediate wheel 1212, a minute CG third intermediate wheel 1213, a minute CG fourth intermediate wheel 1214, and an hour CG intermediate wheel 1215. The minute CG wheel 1216 and the hour CG wheel 1217 are provided, and the minute CG wheel 1216 and the hour CG wheel 1217 are concentrically arranged at the center position of the 12-hour display unit 1210. With these wheel train configurations, the chronograph hour and minute are displayed at the 3 o'clock position of the watch body. The rotation center position of each of the pointer wheels is arranged in the peripheral portion at the substantially center of the apparatus main body. That is, when the whole including the gear portion of each pointer wheel is arranged away from the central portion of the device main body, and the rotation center of each pointer wheel is out of the central portion of the device main body, A part of the outer peripheral portion or the like may be placed on the center of the apparatus main body.
[0047]
Note that, as in the present embodiment, the normal time display unit 1110 and the time information display units 1210, 1220, and 1230 are both arranged in the central peripheral portion of the apparatus main body, in addition to the normal time display unit. Only the pointer wheel of the display unit 1110 may be arranged at the center of the apparatus main body.
[0048]
FIG. 3 is a plan view of the circuit board 1704 disposed on the movement 1700 shown in FIG. 2 as viewed from the back side of the timing device 1000, and shows only the components electrically connected to the circuit board 1704. .
[0049]
A circuit board 1704 shown in FIG. 3 is, for example, a flexible printed circuit board on which an IC 1702, a tuning fork type crystal resonator 1703, a large-capacitance capacitor 1814, and the like are mounted. The normal time and chronograph drive pulses are generated from the IC 1702 and transmitted to the coil blocks 1302 and 1402 of the motors 1300 and 1400 connected to a copper foil pattern (not shown).
[0050]
The connection between the plus of the secondary power source 1500 and the circuit board 1704 is such that the tip spring portion of the plus terminal 1502 guided by the pin 1501 driven into the ground plate 1701 made of metal is provided on the side surface of the button-type secondary power source 1500. The plus lead plate 1503 is in contact with the tip of the pin 1501 and the tip spring portion of the plus lead plate 1503 is in contact with the plus pattern of the circuit board 1704 with a certain spring force. Is taken by. Therefore, the path for supplying plus from the secondary power source 1500 to the IC 1702 is as follows: secondary power source 1500 → plus terminal 1502 → pin 1501 → plus lead plate 1503 → plus pattern of the circuit board 1704 → IC 1702. In addition, the connection between the minus of the secondary power source 1500 and the circuit board 1704 is such that the spring portion provided on the outer peripheral portion of the minus terminal 1504 welded to the end face of the secondary power source 1500 is made constant. It is taken by contacting the minus pattern of the circuit board 1704 with a spring force. Accordingly, the path through which the negative power is supplied from the secondary power source 1500 to the IC 1702 is the secondary power source 1500 → the negative terminal 1504 → the negative pattern of the circuit board 1704 → the IC 1702. An insulating plate 1505 is attached on the negative terminal 1504 in order to prevent a short circuit with the third intermediate receiving plate 2003.
[0051]
FIG. 4 is a plan view of the first intermediate receiving plate 2001, the second intermediate receiving plate 2002, and the third intermediate receiving plate 2003 arranged on the circuit board 1704 shown in FIG. is there.
[0052]
As shown in FIG. 4, the first intermediate receiving plate 2001 is arranged on the 6 o'clock side so as to cover the motor 1300, the switching unit 1100C, the tuning fork type crystal resonator 1703 constituting the control circuit 1800, the large-capacitance capacitor 1814, and the like. It is arranged on the outermost side. The second intermediate receiving plate 2002 is arranged inside the first intermediate receiving plate 2001 so as to cover the normal time wheel train 1100G and the IC 1702 constituting the control circuit 1800. The third intermediate receiving plate 2003 is arranged on the 12 o'clock direction side so as to cover the chronograph wheel train 1200G, the motor 1400, the secondary power source 1500 such as a lithium ion power source, and the like.
[0053]
FIG. 5 is a driving voltage which is disposed on the second intermediate receiving plate 2002 shown in FIG. 4 and converts mechanical energy into electrical energy to drive the normal time measuring unit 1100 and the time information timing unit 1200. Is arranged on the power generation device 1600 (the power generation mechanism 1601 excluding the rotating weight 1605) and the third intermediate receiving plate 2003 and the first intermediate receiving plate 2102 shown in FIG. 4, and measures time information other than the normal time. It is the top view which looked at the zero return mechanism 1200R for making it zero return from the back side of the time measuring device 1000. FIG. FIG. 6 is a plan view of the rotating weight 1605 of the power generation device 1600 disposed on the power generation mechanism 1601 as viewed from the back side of the time measuring device 1000.
[0054]
A power generation apparatus 1600 shown in FIGS. 5 and 6 includes a power generation coil 1602 wound around a high magnetic permeability material, a power generation stator 1603 made of a high magnetic permeability material, a power generation rotor 1604 made of a permanent magnet and a kana portion, and an upper receiving plate 2010. Is formed by a single weight rotary weight 1605 and the like.
[0055]
The rotary weight 1605 and the rotary spindle 1606 disposed below the rotary weight 1605 are rotatably supported on a shaft fixed to the upper receiving plate 2010, and are prevented from coming off in the axial direction with a rotary weight screw. . The rotary spindle wheel 1606 meshes with the pinion portion 1608a of the power generation rotor transmission wheel, and the gear portion 1608b of the power generation rotor transmission wheel meshes with the pinion portion of the power generation rotor 1604. This train wheel is increased from 30 times to 200 times. This speed increasing ratio can be freely set according to the performance of the power generator and the specifications of the timepiece.
[0056]
In such a configuration, when the rotary weight 1605 rotates due to the movement of the user's arm or the like, the power generation rotor 1604 rotates at a high speed. Since a permanent magnet is fixed to the power generation rotor 1604, the direction of the magnetic flux that links the power generation coil 1602 through the power generation stator 1603 changes each time the power generation rotor 1604 rotates, and an AC voltage is applied to the power generation coil 1602 by electromagnetic induction. Will occur. This AC voltage is rectified by a rectifier circuit mounted on the circuit board 1704 and charged to the secondary power source 1500.
[0057]
Next, the structure of the nulling mechanism 1200R that is a characteristic part of the present invention will be described.
[0058]
FIG. 7 is a cross-sectional side view showing a schematic configuration example of the main part of the nulling mechanism 1200R. Note that the nulling mechanism 1200R shown in FIG. 5 shows the reset state, and the nulling mechanism 1200R shown in FIG. 7 shows the stop state.
[0059]
5 and 7, the nulling mechanism 1200R has a configuration in which start / stop and reset are mechanically performed by the rotation of an operation cam 1240 disposed at a substantially central portion of the main body of the time measuring device 1000. . The operation cam 1240 is formed in a cylindrical shape, and teeth 1240a having a constant pitch are provided on the side surface along the circumference, and columns 1240b having a constant pitch are provided on the one end surface along the circumference. The operating cam 1240 is stationary in phase by an operating cam jumper 1241 locked between the teeth 1240a and the teeth 1240a, and is counteracted by an operating cam rotating portion 1242d provided at the tip of the operating lever 1242. It is rotated clockwise.
[0060]
As shown in FIG. 8, the start / stop operation mechanism includes an operation lever 1242, a switch lever A 1243, and a transmission lever spring 1244. The actuating lever 1242 is formed in a substantially L-shaped flat plate shape, and is provided with a bent portion 1242a, an elliptical through-hole 1242b and a pin 1242c at one end, and the tip of the other end. Is provided with an acute-angle pressing portion 1242d. In such an operating lever 1242, the pressing portion 1242a is opposed to the start / stop button 1201, the pin 1242e fixed to the third intermediate receiving plate 2003 is inserted into the through hole 1242b, and the transmission lever spring 1244 is inserted into the pin 1242c. One end of the actuator is locked, and the pressing portion 1242d is disposed in the vicinity of the operation cam 1240, thereby constituting a start / stop operation mechanism.
[0061]
One end of the switch lever A 1243 is formed as a switch portion 1243a, a planar protrusion 1243b is provided at a substantially central portion, and the other end is formed as a locking portion 1243c. The switch lever A 1243 has a substantially central portion rotatably supported by a pin 1243d fixed to the third intermediate receiving plate 2003, and the switch portion 1243a is disposed in the vicinity of the start circuit of the circuit board 1704. The portion 1243b is arranged so as to contact the column portion 1240b provided in the axial direction of the operating cam 1240, and the locking portion 1243c is locked to the pin 1243e fixed to the third intermediate receiving plate 2003, thereby starting / Configured as a stop actuation mechanism. That is, the switch portion 1243a of the switch lever A 1243 contacts the start circuit of the circuit board 1704 and becomes a switch input. Note that the switch lever A 1243 that is electrically connected to the secondary power source 1500 via the ground plate 1701 or the like has the same potential as the positive electrode of the secondary power source 1500.
[0062]
An operation example of the start / stop operation mechanism having the above-described configuration will be described with reference to FIGS.
[0063]
When the chronograph is in the stop state, as shown in FIG. 8, the operating lever 1242 has the pressing portion 1242 a separated from the start / stop button 1201, and the pin 1242 c is moved in the direction of the arrow a by the elastic force of the transmission lever spring 1244. The one end of the through-hole 1242b is positioned in a state where it is pressed against the pin 1242e in the direction indicated by the arrow b. At this time, the distal end portion 1242d of the operating lever 1242 is located between the teeth 1240a and the teeth 1240a of the operating cam 1240.
[0064]
In the switch lever A 1243, the protruding portion 1243b is pushed up by the column 1240b of the operating cam 1240 so as to oppose the spring force of the spring portion 1243c provided at the other end of the switch lever A 1243, and the locking portion 1243c is shown on the pin 1243e by the arrow c in the figure. It is positioned in a state of being pressed in the direction. At this time, the switch portion 1243a of the switch lever A 1243 is separated from the start circuit of the circuit board 1704, and the start circuit is in an electrically disconnected state.
[0065]
In order to shift the chronograph from this state to the start state, as shown in FIG. 9, when the start / stop button 1201 is pushed in the direction of the arrow a, the pressing portion 1242a of the operating lever 1242 contacts the start / stop button 1201. Then, the pin 1242c presses the transmission lever spring 1244 and is elastically deformed in the illustrated arrow c direction. Accordingly, the entire operation lever 1242 moves in the direction of the arrow d shown in the figure using the through hole 1242b and the pin 1242e as a guide. At this time, the distal end portion 1242d of the operating lever 1242 contacts and presses the side surface of the tooth 1240a of the operating cam 1240, and rotates the operating cam 1240 in the direction of the arrow e shown in the figure.
[0066]
At the same time, when the operation cam 1240 rotates, the side surface of the column 1240b and the projection 1243b of the switch lever A 1243 are out of phase, and when the gap between the column 1240b and the column 1240b is reached, the projection 1243b is displaced by the restoring force of the spring portion 1243c. Get in. Accordingly, the switch portion 1243a of the switch lever A 1243 rotates in the direction of the arrow f in the drawing and contacts the start circuit of the circuit board 1704, so that the start circuit becomes electrically conductive.
[0067]
At this time, the distal end portion 1241a of the operating cam jumper 1241 is pushed up by the teeth 1240a of the operating cam 1240.
[0068]
The above operation is continued until the tooth 1240a of the operating lever 1242 is fed by one pitch.
[0069]
Thereafter, when the hand is released from the start / stop button 1201, as shown in FIG. 10, the start / stop button 1201 is automatically returned to the original state by a built-in spring. Then, the pin 1242 c of the operating lever 1242 is pressed in the direction of the arrow a by the restoring force of the transmission lever spring 1244. Therefore, the entire operation lever 1242 moves in the direction of the arrow b in the figure until one end of the through hole 1242b comes into contact with the pin 1242e using the through hole 1242b and the pin 1242e as a guide, and returns to the same position as in FIG.
[0070]
At this time, since the projection 1243b of the switch lever A 1243 remains in the gap between the column 1240b and the column 1240b of the operation cam 1240, the switch unit 1243a is in contact with the start circuit of the circuit board 1704, and the start circuit is Electrically conductive state is maintained. Therefore, the start state of the chronograph is maintained.
[0071]
At this time, the distal end portion 1241a of the working cam jumper 1241 enters between the teeth 1240a and the teeth 1240a of the working cam 1240 to regulate the reverse rotation of the working cam 1240.
[0072]
On the other hand, when the chronograph is stopped, the same operation as the start operation is performed, and finally the state returns to the state shown in FIG.
[0073]
As described above, by pressing the start / stop button 1201, the operation lever 1242 is swung to rotate the operation cam 1240, and the switch lever A1243 is swung to control the start / stop of the chronograph. .
[0074]
As shown in FIG. 5, the reset operation mechanism includes an operation cam 1240, a transmission lever 1251, a hammer transmission lever 1252, a hammer intermediate lever 1253, a hammer starting lever 1254, a transmission lever spring 1244, and a hammer intermediate lever spring 1255. , A hammer jumper 1256 and a switch lever B1257. Further, the reset operating mechanism is a heart cam A1261, a zero return lever A1262, a zero return lever A spring 1263, a heart cam B1264, a zero return lever B1265, a zero return lever B spring 1266, a heart cam C1267, a zero return lever C1268, and a zero return lever C. A spring 1269, a heart cam D 1270, a zero return lever D 1271 and a zero return lever D spring 1272 are included.
[0075]
Here, the operation mechanism for resetting the chronograph is configured such that the chronograph does not operate in the start state and operates in the stop state. Such a mechanism is called a safety mechanism. First, the transmission lever 1251, the hammer transmission lever 1252, the hammer intermediate lever 1253, the transmission lever spring 1244, the hammer intermediate lever spring 1255, and the hammer constituting the safety mechanism. The jumper 1256 will be described with reference to FIG. In the drawing, the hammer intermediate lever spring 1255 and hammer jumper 1256 are omitted.
[0076]
The transmission lever 1251 is formed in a substantially Y-shaped flat plate shape, and is provided with a pressing portion 1251a at one end portion and an elliptical through hole 1251b at one end portion of the bifurcated portion, and the pressing portion 1251a and the through hole. A pin 1251c is provided at an intermediate portion of 1251b. In such a transmission lever 1251, the pressing portion 1251a is opposed to the reset button 1202, the pin 1252c of the hammer transmission lever 1252 is inserted into the through-hole 1251b, and the other end of the fork is fixed to the movement side. The shaft is rotatably supported by 1251d, and the other end of the transmission lever spring 1244 is locked to the pin 1251c to constitute a reset operation mechanism.
[0077]
The hammer transmission lever 1252 is constituted by a substantially rectangular flat plate-shaped first hammer transmission lever 1252a and a second hammer transmission lever 1252b that are overlapped and supported by a shaft 1252g that is rotatable at a substantially central portion. . The pin 1252c is provided at one end of the first hammer transmission lever 1252a, and pressing portions 1252d and 1252e are formed at both ends of the second hammer transmission lever 1252b, respectively. Such a hammer transmission lever 1252 has a pin 1252f in which the pin 1252c is inserted into the through-hole 1251b of the transmission lever 1251 and the other end of the first hammer transmission lever 1252a is fixed to the third intermediate receiving plate 2003. And the pressing portion 1252d is opposed to the pressing portion 1253c of the hammer intermediate lever 1253, and the pressing portion 1252e is disposed in the vicinity of the operating cam 1240, thereby forming a reset operating mechanism.
[0078]
The hammer intermediate lever 1253 is formed in a substantially rectangular flat plate shape. Pins 1253a and 1253b are provided at one end and an intermediate portion, respectively, and one corner of the other end is formed as a pressing portion 1253c. Yes. In such a hammer intermediate lever 1253, one end of the hammer intermediate lever spring 1255 is locked to the pin 1253a, one end of the hammer jumper 1256 is locked to the pin 1253b, and the pressing portion 1253c is moved to the second hammer transmission lever. It is configured as a reset operation mechanism by facing the pressing portion 1252d of 1252b and rotatably supporting the other corner of the other end on a pin 1253d fixed to the third intermediate receiving plate 2003.
[0079]
An example of the operation of the safety mechanism configured as described above will be described with reference to FIGS.
[0080]
When the chronograph is in the start state, as shown in FIG. 11, the transmission lever 1251 has the pressing portion 1251a separated from the reset button 1202, and the pin 1251c is pressed in the direction of the arrow a by the elastic force of the transmission lever spring 1244. It is positioned in the state. At this time, the pressing portion 1252e of the second hammer transmission lever 1252b is located outside the gap between the column 1240b and the column 1240b of the operating cam 1240.
[0081]
In this state, as shown in FIG. 12, when the reset button 1202 is pressed in the direction of the arrow a, the pressing portion 1251a of the transmission lever 1251 comes into contact with the reset button 1202 and is pressed in the direction of the arrow b, thereby transmitting the pin 1251c. The lever spring 1244 is pressed and elastically deformed in the direction of the arrow c in the figure. Therefore, the transmission lever 1251 as a whole rotates in the direction of the arrow d in the figure around the pin 1251d. With this rotation, the pin 1252c of the first hammer transmission lever 1252a moves along the through-hole 1251b of the transmission lever 1251, so the first hammer transmission lever 1252a is shown in the figure with the pin 1252f as the center. Rotate in e direction.
[0082]
At this time, the pressing portion 1252e of the second hammer transmission lever 1252b enters the gap between the column 1240b and the column 1240b of the operating cam 1240, so that the pressing unit 1252d is in contact with the pressing portion 1253c of the hammer intermediate lever 1253. Since the second hammer transmission lever 1252b rotates about the shaft 1252g and the stroke is absorbed, the pressing portion 1253c is not pressed by the pressing portion 1252d. Accordingly, since the operating force of the reset button 1202 is interrupted by the hammer transmission lever 1252 and is not transmitted to the reset operating mechanism after the hammer intermediate lever 1253 described later, the reset button is erroneously set when the chronograph is in the start state. It is possible to prevent the chronograph from being reset even if 1202 is pressed.
[0083]
On the other hand, when the chronograph is in the stop state, as shown in FIG. 13, the transmission lever 1251 has the pressing portion 1251 a separated from the reset button 1202, and the pin 1251 c is moved in the direction of the arrow a by the elastic force of the transmission lever spring 1244. It is positioned in the pressed state. At this time, the pressing portion 1252e of the second hammer transmission lever 1252b is in contact with the side surface of the column 1240b of the operating cam 1240.
[0084]
In this state, as shown in FIG. 14, when the reset button 1202 is pushed by hand in the direction indicated by the arrow a, the pressing portion 1251a of the transmission lever 1251 comes into contact with the reset button 1202 and is pressed in the direction indicated by the arrow b. Presses the transmission lever spring 1244 and elastically deforms it in the direction of the arrow c in the figure. Therefore, the transmission lever 1251 as a whole rotates in the direction of the arrow d in the figure around the pin 1251d. In association with this rotation, the pin 1252c of the first hammer transmission lever 1252a is moved along the through-hole 1251b, so that the first hammer transmission lever 1252a rotates in the direction of the arrow e shown around the pin 1252f. To do.
[0085]
At this time, the pressing portion 1252e of the second hammer transmission lever 1252b is stopped by the side surface of the column 1240b of the operating cam 1240, so the second hammer transmission lever 1252b rotates in the direction of the arrow f in the figure with the shaft 1252g as the rotation center. Will do. By this rotation, the pressing portion 1252d of the second hammer transmission lever 1252b comes into contact with and presses the pressing portion 1253c of the hammer intermediate lever 1253, so that the hammer intermediate lever 1253 is centered on the pin 1253d in the direction indicated by the arrow g. Will rotate. Accordingly, since the operation force of the reset button 1202 is transmitted to the reset operating mechanism after the hammer intermediate lever 1253 described later, the chronograph is reset by pressing the reset button 1202 when the chronograph is in the stop state. can do. When this reset is applied, the contact of the switch lever B1257 comes into contact with the reset circuit of the circuit board 1704 to electrically reset the chronograph.
[0086]
Next, a hammer start lever 1254, a heart cam A1261, a zero return lever A1262, a zero return lever A spring 1263, a heart cam B1264, a zero return lever B1265, which constitute the main mechanism of the reset operation mechanism of the chronograph shown in FIG. The zero return lever B spring 1266, heart cam C1267, zero return lever C1268, zero return lever C spring 1269, heart cam D1270, zero return lever D1271 and zero return lever D spring 1272 will be described with reference to FIG.
[0087]
The hammer operating lever 1254 is formed in a substantially I-shaped flat plate shape, an elliptical through hole 1254a is provided at one end, a lever D restraining portion 1254b is formed at the other end, and a central portion is provided. A lever B holding portion 1254c and a lever C holding portion 1254d are formed. Such a hammer start lever 1254 is configured as a reset operation mechanism by fixing the center portion so as to be rotatable and inserting the pin 1253b of the hammer intermediate lever 1253 into the through hole 1254a.
[0088]
The heart cams A1261, B1264, C1267, and D1270 are fixed to the rotation shafts of the 1/10 second CG wheel 1232, the first second CG wheel 1223, the minute CG wheel 1216, and the hour CG wheel 1217, respectively.
[0089]
One end of the zero return lever A1262 is formed as a hammer portion 1262a for hitting the heart cam A1261, the rotation adjusting portion 1262b is formed at the other end portion, and a pin 1262c is provided at the center portion. Such a zero return lever A1262 has the other end thereof rotatably supported by a pin 1253d fixed to the third intermediate receiving plate 2003, and one end of the zero return lever A spring 1263 is locked to the pin 1262c. Thus, it is configured as a reset operation mechanism.
[0090]
One end of the zero return lever B1265 is formed as a hammer portion 1265a for hitting the heart cam B1264, a rotation setting portion 1265b and a pressing portion 1265c are formed at the other end portion, and a pin 1265d is provided at the center portion. Such a zero return lever B1265 has its other end rotatably supported by a pin 1253d fixed to the third intermediate support plate 2003, and one end of the zero return lever B spring 1266 is locked to the pin 1265d. Thus, it is configured as a reset operation mechanism.
[0091]
One end of the zero return lever C1268 is formed as a hammer portion 1268a for hitting the heart cam C1267, a rotation setting portion 1268b and a pressing portion 1268c are formed at the other end portion, and a pin 1268d is provided at the center portion. Such a zero return lever C1268 is pivotally supported by a pin 1268e fixed to the movement side at the other end, and one end of the zero return lever C spring 1269 is locked to the pin 1268d, thereby resetting the reset lever C1268. Configured as an operating mechanism.
[0092]
One end of the zero return lever D1271 is formed as a hammer portion 1271a for hitting the heart cam D1270, and a pin 1271b is provided at the other end portion. Such a zero return lever D1271 has its other end rotatably supported by a pin 1271c fixed to the third intermediate receiving plate 2003, and one end of the zero return lever D spring 1272 is locked to the pin 1271b. Thus, it is configured as a reset operation mechanism.
[0093]
An example of the operation of the reset operation mechanism configured as described above will be described with reference to FIGS. 15 and 16.
[0094]
When the chronograph is in the stop state, as shown in FIG. 15, the zero return lever A 1262 has the rotation setting portion 1262b locked to the rotation setting portion 1265b of the zero return lever B 1265, and the pin 1262c has the zero return lever A spring. Positioning is performed in a state of being pressed in the direction of the arrow a by the elastic force of 1263.
[0095]
In the return zero lever B1265, the rotation setting portion 1265b is locked to the lever B restraining portion 1254c of the hammer starting lever 1254, the pressing portion 1265c is pressed against the side surface of the column 1240b of the operating cam 1240, and the pin 1265d is returned. The zero lever B spring 1266 is positioned while being pressed in the direction of the arrow b in the figure by the elastic force of the zero lever B spring 1266.
[0096]
In the zero return lever C1268, the rotation setting portion 1268b is locked to the lever C restraining portion 1254d of the hammer starting lever 1254, the pressing portion 1268c is pressed against the side surface of the column 1240b of the operating cam 1240, and the pin 1268d is returned. The zero lever C spring 1269 is positioned in the state of being pressed in the direction of the arrow c by the elastic force of the zero lever C spring 1269.
[0097]
The zero return lever D1271 is positioned in a state in which the pin 1271b is locked to the lever D restraining portion 1254b of the hammer starting lever 1254 and is pressed in the direction of the arrow d by the elastic force of the zero return lever D spring 1272. Has been.
[0098]
Accordingly, the hammer portions 1262a, 1265a, 1268a, 1271a of the zero return levers A1262, B1265, C1268, D1271 are positioned at a predetermined distance from the heart cams A1261, B1264, C1267, D1270.
[0099]
In this state, as shown in FIG. 14, when the hammer intermediate lever 1253 is rotated about the pin 1253d in the illustrated arrow g direction, the pin 1253b of the hammer intermediate lever 1253 is moved back as shown in FIG. Since the needle actuating lever 1254 moves in the through hole 1254a of the needle actuating lever 1254 while pushing the through hole 1254a, the hammer actuating lever 1254 rotates in the direction indicated by the arrow a.
[0100]
Then, the rotation setting portion 1265b of the zero return lever B1265 is disengaged from the lever B holding portion 1254c of the hammer starting lever 1254, and the pressing portion 1265c of the zero return lever B1265 enters the gap between the column 1240b and the column 1240b of the operating cam 1240. . As a result, the pin 1265d of the zero return lever B1265 is pressed in the direction of the arrow c by the restoring force of the zero return lever B spring 1266. At the same time, the regulation of the rotation regulation unit 1262 b is released, and the pin 1262 c of the zero return lever A 1262 is pressed in the direction indicated by the arrow b by the restoring force of the zero return lever A spring 1263. Accordingly, the zero return lever A 1262 and the zero return lever B 1265 rotate around the pin 1253d in the direction of the arrow d and the direction e shown in the figure, and the hammer portions 1262a and 1265a hit the respective heart cams A 1261 and B 1264 to rotate. The 10-second chronograph hand 1231 and the 1-second chronograph hand 1221 are each zeroed.
[0101]
At the same time, the rotation setting portion 1268b of the zero return lever C1268 is disengaged from the lever C restraining portion 1254d of the hammer starting lever 1254, and the pressing portion 1268c of the zero return lever C1268 enters the gap between the column 1240b and the column 1240b of the operating cam 1240. The pin 1268d of the zero return lever C1268 is pressed in the direction of the arrow f by the restoring force of the zero return lever C spring 1269. Further, the pin 1271b of the zero return lever D1271 is disengaged from the lever D holding portion 1254b of the hammer starting lever 1254. As a result, the pin 1271b of the zero return lever D1271 is pressed in the direction of the arrow h by the restoring force of the zero return lever D spring 1272. Accordingly, the zero return lever C1268 and the zero return lever D1271 rotate around the pin 1268e and the pin 1271c in the directions indicated by the arrows i and j, and the hammer portions 1268a and 1271a hit the heart cams C1267 and D1270 to rotate them. The hour and minute chronograph hands 1211 and 1212 are returned to zero, respectively.
[0102]
By the series of operations described above, when the chronograph is in the stop state, the chronograph can be reset by pressing the reset button 1202.
[0103]
As described above, the 12-hour display unit 1210, the 60-second display unit 1220, and the 1-second display unit 1230 are arranged radially at equal distances from the center of the main body of the time measuring device 1000, and the operation cam 1240 is an abbreviation of the main body of the time measuring device 1000. By arranging in the central part, the entire nulling mechanism 1200R can be made compact, and the main body of the time measuring device 1000 can be miniaturized. Further, since the lengths of the zero return lever A1262, the zero return lever B1265, the zero return lever C1268, and the zero return lever D1271 can be made substantially the same, each zero return lever can be operated by one operating cam 1240. , B1264, C1267 and D1270 can be designed with the same torque and timing for each zero return lever, and the same needle can be used for each of the chronograph hands 1231, 1221, 1211 and 1212. Can be increased.
[0104]
FIG. 17 is a schematic block diagram showing a configuration example of the entire system excluding the mechanical part of the time measuring device 1000 of FIG.
[0105]
For example, a signal SQB having an oscillation frequency of 32 kHz output from a crystal oscillation circuit 1801 including a tuning fork type crystal resonator 1703 is input to a high frequency dividing circuit 1802 and frequency-divided from 16 kHz to 128 Hz. The signal SHD divided by the high frequency dividing circuit 1802 is input to the low frequency dividing circuit 1803 and is divided from 64 Hz to 1/80 Hz. Note that the frequency generated by the low frequency divider 1803 can be reset by a basic clock reset circuit 1804 connected to the low frequency divider 1803.
[0106]
The signal SLD frequency-divided by the low-frequency frequency dividing circuit 1803 is input as a timing signal to the motor pulse generating circuit 1805. When this frequency-divided signal SLD becomes active every 1 second or 1/10 second, for example, A pulse SPW for detecting the rotation of the pulse and the motor is generated. The motor driving pulse SPW generated by the motor pulse generation circuit 1805 is supplied to the motor 1300 of the normal time portion 1100, and the motor 1300 of the normal time portion 1100 is driven. The pulse SPW for detecting the rotation of the motor 1300 is supplied to the motor detection circuit 1806, and the external magnetic field of the motor 1300 and the rotation of the rotor of the motor 1300 are detected. The external magnetic field detection signal and the rotation detection signal SDW detected by the motor detection circuit 1806 are fed back to the motor pulse generation circuit 1805.
[0107]
The AC voltage SAC generated by the power generation device 1600 is input to the rectifier circuit 1609 via the charge control circuit 1811, and is, for example, half-wave rectified into a DC voltage SDC to be charged in the secondary battery 1500. The voltage SVB between both ends of the secondary battery 1500 is detected at all times or at any time by the voltage detection circuit 1812, and the corresponding charge control command SFC is sent to the charge control circuit 1811 due to the excessive or insufficient charge amount of the secondary battery 1500. Entered. Then, based on the charge control command SFC, stop / start of supply of the AC voltage SAC generated by the power generator 1600 to the rectifier circuit 1609 is controlled.
[0108]
On the other hand, the DC voltage SDC charged in the secondary power supply 1500 is input to a booster circuit 1813 including a booster capacitor 1813a and boosted by a predetermined multiple. The boosted DC voltage SDU is stored in a large-capacitance capacitor 1814.
[0109]
Here, the boosting is means for reliably operating even when the voltage of the secondary power source 1500 is lower than the operating voltage of the motor or circuit. That is, both the motor and the circuit are driven by the electric energy stored in the large-capacitance capacitor 1814. However, when the voltage of the secondary power source 1500 increases to near 1.3V, the large-capacitance capacitor 1814 and the secondary power source 1500 are used in parallel.
[0110]
The voltage SVC across the large-capacitance capacitor 1814 is detected by the voltage detection circuit 1812 at all times or at any time, and the corresponding boost command SUC is input to the boost control circuit 1815 depending on the remaining amount of electricity in the large-capacity capacitor 1814 Is done. Based on this boost command SUC, the boost ratio SWC in the boost circuit 1813 is controlled. The step-up factor is a factor for boosting the voltage of the secondary power source 1500 and generating it in the large-capacitance capacitor 1814. When expressed by (voltage of the large-capacity capacitor 1814) / (voltage of the secondary power source 1500), it is three times Control is performed at a magnification such as 2 times, 1.5 times, or 1 time.
[0111]
The start signal SST or the stop signal SSP or the reset signal SRT from the switch A 1821 associated with the start / stop button 1201 and the switch B 1822 associated with the reset button 1202 indicates whether the start / stop button 1201 is pressed. The signal is input to the mode control circuit 1824 for controlling each mode in the chronograph via the switch input circuit 1823 to be determined or the switch input circuit / chattering prevention circuit 1823 for determining whether or not the reset button 1202 is pressed. The switch A 1821 is provided with a switch lever A 1243 which is a switch holding mechanism, and the switch B 1822 is provided with a switch lever B 1257.
[0112]
Further, the signal SHD divided by the high frequency dividing circuit 1802 is also input to the mode control circuit 1824. Then, the start / stop control signal SMC is output from the mode control circuit 1824 by the start signal SST, and the chronograph reference signal SCB generated by the chronograph reference signal generation circuit 1825 by the start / stop control signal SMC is the motor pulse. This is input to the generation circuit 1826.
[0113]
On the other hand, the chronograph reference signal SCB generated by the chronograph reference signal generation circuit 1825 is also input to the chronograph low frequency divider 1827, and the signal SHD divided by the high frequency divider 1802 is the chronograph reference signal SCB. The frequency is divided from 64 Hz to 16 Hz in synchronization with the graph reference signal SCB. Then, the signal SCD frequency-divided by the chronograph low frequency frequency dividing circuit 1827 is input to the motor pulse generating circuit 1826.
[0114]
The chronograph reference signal SCB and the frequency-divided signal SCD are input to the motor pulse generation circuit 1826 as timing signals. For example, the divided signal SCD becomes active from the output timing of the chronograph reference signal SCB every 1/10 second or 1 second, and the pulse SPC for detecting the motor driving pulse and the motor rotation or the like by this divided signal SCD or the like. Is generated. The motor driving pulse SPC generated by the motor pulse generation circuit 1826 is supplied to the chronograph motor 1400, and the chronograph motor 1400 is driven. The detection pulse SPC is supplied to the motor detection circuit 1828, and the external magnetic field of the motor 1400 and the rotation of the rotor of the motor 1400 are detected. The external magnetic field detection signal and the rotation detection signal SDG detected by the motor detection circuit 1828 are fed back to the motor pulse generation circuit 1826.
[0115]
Further, the chronograph reference signal SCB generated by the chronograph reference signal generation circuit 1825 is also input to and counted by, for example, a 16-bit automatic stop counter 1829. When this count reaches a predetermined value, that is, the measurement limit time, the automatic stop signal SAS is input to the mode control circuit 1824. At this time, the stop signal SSP is input to the chronograph reference signal generation circuit 1825, and the chronograph reference signal generation circuit 1825 is stopped and reset.
[0116]
When the stop signal SSP is input to the mode control circuit 1824, the output of the start / stop control signal SMC is stopped, the generation of the chronograph reference signal SCB is also stopped, and the driving of the chronograph motor 1400 is stopped. . Then, after the generation of the chronograph reference signal SCB is stopped, that is, after the generation of a start / stop control signal SMC described later is stopped, the reset signal SRT input to the mode control circuit 1824 is generated as a reset control signal SRC. The chronograph reference signal generation circuit 1825 and the automatic stop counter 1829 are reset, and each chronograph hand is reset (returned to zero).
[0117]
The present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the claims.
[0118]
For example, in the above embodiment, the normal time drive motor 1300 and the chronograph drive motor 1400 are provided separately and independently, but the normal time portion and the chronograph portion are provided for one drive. If it is configured to be driven by a motor, it is possible to further reduce the size and power consumption.
[0119]
In addition, although an electronic timepiece having an analog display type chronograph function has been described as the time measuring device, the timepiece is not particularly limited thereto, and is applicable to an analog display type multi-function time measuring device.
[Brief description of the drawings]
FIG. 1 is a plan view of an embodiment of a timing device of the present invention as viewed from the front side.
FIG. 2 is a plan view of the movement of the timing device shown in FIG. 1 as viewed from the back side of the timing device.
FIG. 3 is a plan view of the circuit board disposed on the movement shown in FIG. 2 as viewed from the back side of the timing device.
4 is a plan view of a first intermediate receiving plate, a second intermediate receiving plate, and a third intermediate receiving plate arranged on the circuit board shown in FIG. 3 when viewed from the back side of the timing device.
5 is disposed on the second intermediate receiving plate shown in FIG. 4, converts mechanical energy into electrical energy, and generates a drive voltage for driving a normal time counter and time information timer. A power return device (a power generation mechanism excluding the rotating weight) and a third null receiving plate shown in FIG. 4 are provided on the back side of the time measuring device for returning time of time information other than the normal time. A plan view.
6 is a plan view of a rotating weight of a power generation device disposed on the power generation mechanism of FIG. 5 as viewed from the back side of the time measuring device.
7 is a cross-sectional side view showing a schematic configuration example of a main part of the nulling mechanism of FIG. 5;
8 is a first plan view showing an operation example of a start / stop operation mechanism of the nulling mechanism of FIG. 7; FIG.
9 is a second plan view showing an operation example of the start / stop operation mechanism of the zero return mechanism of FIG. 7. FIG.
10 is a third plan view showing an operation example of the start / stop operation mechanism of the zero return mechanism of FIG. 7; FIG.
11 is a first perspective view showing an operation example of a safety mechanism of the zero return mechanism shown in FIG. 7; FIG.
12 is a second perspective view showing an operation example of the safety mechanism of the zero return mechanism of FIG. 7. FIG.
13 is a third perspective view showing an operation example of the safety mechanism of the nulling mechanism of FIG.
14 is a fourth perspective view showing an operation example of the safety mechanism of the zero return mechanism of FIG. 7; FIG.
15 is a first plan view showing an operation example of a main mechanism of the reset operation mechanism of the zero return mechanism shown in FIG. 7; FIG.
16 is a second plan view showing an operation example of the main mechanism of the reset operation mechanism of the zero return mechanism of FIG. 7; FIG.
17 is a schematic block diagram showing a configuration example of a control circuit used in the timing device of FIG.
FIG. 18 is a plan view showing an example of a nulling mechanism of a conventional time measuring device.
[Explanation of symbols]
1000 timing device
1200R nulling mechanism
1240 Actuating cam
1262 Nullive lever A
1265 Zero return lever B
1268 Return Zero Lever C
1271 Zero return lever D
1300 motor
1400 motor
1500 Secondary power supply
1600 Power generator
1700 movement
1800 Control circuit

Claims (10)

A normal time display for displaying the normal time;
A time information display unit for displaying time information other than the normal time;
A time measuring device including a zero return lever for mechanically returning the time information display unit and a return zero mechanism having an operation cam for operating the zero return lever,
The actuating cam is disposed substantially in the center of the apparatus body ;
The rotation center position of the pointer wheel to which the pointer of the normal time display unit is attached and the rotation center position of the pointer wheel to which the pointer of the time information display unit is attached are arranged in a substantially central peripheral portion of the apparatus main body. A timing device. The time measuring device according to claim 1 , wherein one operating cam operates a plurality of the zero return levers. Converts the mechanical energy to electrical energy, time measurement device according to any one of claims 1-2 having a power generating device for generating a driving voltage for driving the ordinary time display unit and the time information display unit. The time measuring device according to claim 3 , wherein the power generation device includes a power generation rotor and a power generation coil. The time measuring device according to claim 4 , wherein the power generating rotor is rotated by a rotating weight. Time information other than the ordinary time, timing device according to any one of claims 1 to 5 which is a chronograph. Time information other than the ordinary time, timing device according to any one of claims 1 to 6 having a display means of two or more time units. The time measuring device according to claim 7 , wherein the two or more types of time unit display means include a train wheel. The timekeeping device according to any one of claims 1 to 8 , wherein the timekeeping device is a wristwatch. The timekeeping device according to any one of claims 1 to 9 , wherein the timekeeping device is a quartz type timepiece.

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