JPH07325167A - Watch with sensor - Google Patents

Abstract

PURPOSE:To obtain a watch with sensor for measuring the hydraulic pressure or atmospheric pressure positively through a simple structure without damaging the appearance of clock. CONSTITUTION:The clock with sensor comprises a sensor containing tube 13 secured to the rear cover 10 of a clock, a sensor 12 contained in the containing tube 13, a sensor cover 15 for securing the sensor 12 to the containing tube 13, and a groove for feeding the water or the air made in the containing tube 13 or the sensor cover 15. The clock with sensor can thereby measure the hydraulic pressure or the atmospheric pressure positively through a simple structure while sustaining the normal appearance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sensor-equipped timepiece having a sensor for measuring pressure, temperature and the like.

[0002]

2. Description of the Related Art Conventionally, in a timepiece with a sensor, the sensor is attached to the case of the timepiece, for example, a case or glass to detect external pressure and temperature. That is, the sensor is mounted so as to protrude outward from the upper surface of the glass of the timepiece, or the upper surface or the side wall of the timepiece case, and it may seem that this is not preferable in appearance.

Japanese Patent Laid-Open No. 58-19480 discloses a timepiece with a sensor in which the sensor is attached to the back cover of the timepiece case so that the sensor is not exposed to the outside so as not to impair the appearance of the timepiece. ing. In such a timepiece, the measurement part of the sensor may be blocked by the user's wet suit or arm, water may not be sent to the sensor, and water pressure may not be reliably measured. Therefore, a timepiece has been proposed in which a sensor cover is attached to the outside of a lid for fixing the sensor inside the timepiece with a space therebetween to prevent the opening of the sensor from being closed by the cover.

[0004]

However, the timepiece having the conventional structure has a drawback that the number of parts is increased and the structure is complicated.

An object of the present invention is to provide a timepiece with a sensor which has a simple structure and can reliably measure water pressure and atmospheric pressure without blocking the flow of water or air. .

[0006]

In order to achieve the above-mentioned object, the present invention has a sensor housing cylinder inserted into a through hole formed in the back cover of a timepiece and fixed to the back cover, and a sensor housing cylinder. A sensor housed inside, a fixing member for fixing the sensor to the housing cylinder, an opening provided on at least one of the sensor housing cylinder and the fixing member, and formed to open to the side, communication It is characterized by comprising at least one of a groove and an opening groove.

In one embodiment of the present invention, the fixing member is a sensor lid fixed to the sensor housing cylinder in the back lid. The sensor storage cylinder has a large diameter portion having an opening groove on its outer periphery,
It consists of a small diameter part that is inserted into the through hole of the back cover and fixed by a roll.The sensor cover has a communication groove at the upper end that corresponds to the opening groove of the storage cylinder, and the large size of the storage cylinder covers the sensor. It is press-fitted and fixed in the diameter part.

According to another embodiment of the present invention, a sensor housing has a base having at least one of an opening and an opening groove, an annular portion fixed to a through hole of a back cover by a ring, and an annular shape. The fixing member is a screw ring which is formed on the outer circumference of the upper end of the portion and projects into the back cover, and which is engaged with the screw portion of the housing cylinder.

In still another embodiment of the present invention, the sensor housing is fixed to the base having at least one of the opening and the opening groove and the through hole of the back cover by being fixed to the inside of the back cover. The fixing member is a pressing plate fixed to the back cover.

[0010]

The sensor is housed in a storage cylinder fixed to the back cover of the timepiece, and water or air directly flows into the sensor measurement unit through the side opening, the communication groove, the opening groove, etc. Make sure to measure atmospheric pressure.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described in detail below with reference to the drawings. 1 is a sectional view of a wristwatch with a sensor according to the present invention, FIG.
Is an enlarged cross-sectional view of a main part thereof, and the electronic wrist watch 1 with a sensor is detachably attached to a user's arm 11 by a band (not shown). The watch 1 has a watch case 2, a glass 3 is fitted on the upper surface of the watch case 2, and a crown 4 is provided on the outer surface of the watch case so as to project outward. . A dial 5 fixed to the upper surface of the movement 7 is provided below the glass 3, and a display unit for displaying time, pressure, temperature and the like is formed on the upper surface of the dial 5. A circuit board 8 is attached to the lower part of the movement 7.

A back cover 10 is removably attached to the back surface of the watch case 2. The back cover 10 is a flange portion 10.
At a, it is attached to the watch case 2 by a screw ring 2b via an O-ring 2a. The back cover 10 has a recess 10c for mounting the pressure sensor.
A through hole 10d is formed in a part of. This hole 10d
A housing cylinder 13 for mounting a sensor 12 for measuring water pressure or atmospheric pressure is inserted into the housing and is fixed to the back cover by being attached to the housing.

As shown in FIG. 3, a large diameter portion 13a and a small diameter portion 13b are formed on the outer circumference of the storage cylinder 13, and the large diameter portion 13 is formed.
Opening grooves 13c are formed at one to three places on the outer periphery of a so as to open laterally. The small-diameter portion 13b is fitted into the through hole 10d of the back cover 10 and fixed by being attached thereto.

The sensor 12 has its measuring portion facing outward, and the O-ring 1 is arranged between the small diameter portion 13b and the inner flange portion 13d.
It is stored in the storage cylinder 13 with 4 interposed. The measuring portion of the sensor projects from the large diameter portion 13a of the housing cylinder 13, the sensor lid 15 is press-fitted and fixed to the large diameter portion 13a, and the sensor is fixed.

As shown in FIG. 4, the sensor lid 15 has a base 1
5a and an annular peripheral portion 15b, the annular peripheral portion 15
In b, a plurality of communication grooves 15c are formed in the opening groove 13c of the storage cylinder 13.
Is formed corresponding to.

The sensor lid 15 is press-fitted and fixed to the large diameter portion at a position where the communication groove 15c thereof faces the opening groove 13c of the large diameter portion 13a of the housing cylinder. Further, the base portion 15a of the sensor lid 15
Is attached so that the front surface of the watch is flush with the surface of the convex portion 10b of the back cover 10, and the back surface of the watch is the arm 11 of the user.
It is designed to come into contact with each other without any discomfort.

The sensor 12 housed in the timepiece by the housing cylinder 13 and the sensor lid 15 is electrically connected to the circuit board 8 by the connection spring 16.

When used in water, the sensor lid 15 is used.
Water flows into the lid through the communication groove 15c, and is reliably sent to the measuring portion of the sensor 12 through the opening groove 13c of the storage cylinder 13. Therefore, the water pressure can be reliably measured without the water being blocked by the wet suit or the arm of the user.

When used in the atmosphere, air is surely sent to the measuring portion of the sensor 12 through the communicating groove 15c and the opening groove 13c as described above. Therefore, the atmospheric pressure can be reliably measured without the air being blocked by the user's arm.

FIG. 5 shows a second embodiment of the present invention. The storage cylinder 13A has a screw portion 13e formed on the outer periphery of the large diameter portion 13a.
Have. The sensor lid 15A has a plurality of openings 15d formed by opening laterally in the base portion 15a, and a screw portion 15e formed in the inner periphery of the annular portion 15b so as to correspond to the screw portion 13e of the storage cylinder. Have. The other structure is the same as that of the first embodiment.

The sensor 12 is housed in a housing cylinder 13A which is inserted into the through hole 10d of the back cover 10 and fixed in place by rotation. Is fixed to the storage cylinder 13A.

In this embodiment, since the opening 15d is formed in addition to the grooves 13c and 15c, the water pressure or the atmospheric pressure can be more reliably fed. The opening 15d can also be formed in the sensor lid 15 of the first embodiment.

FIG. 6 shows a third embodiment of the present invention. The storage cylinder 20 of the sensor 12 has a base portion 20a having a plurality of openings 20c and a step portion 20d, and a through hole 10d of the back cover 10.
It is composed of an annular portion 20b which is fixedly mounted on the upper end of the annular portion and a screw portion 20e formed on the outer periphery of the upper end of the annular portion.

A screw ring 21 is provided to fix the sensor 12 in the storage cylinder 20. The screw ring 21 is
A threaded portion 2 that is engaged with a threaded portion 20e of the storage cylinder 20 on the inner circumference
It is composed of an annular portion 21a formed with 1b and a flange portion 21c.

The threaded portion 20e of the housing cylinder 20 projects inward of the back cover, the O-ring 14 is arranged between the flange portion 21c of the threaded ring 21 and the sensor 12, and the threaded portion 21b is screwed into the threaded portion 20e. The sensor 12 is assembled and fixed in the storage cylinder 20.

FIG. 7 shows a fourth embodiment. Sensor storage tube 2
The reference numeral 2 includes a base portion 22a having a plurality of openings 22c which are open to the side, and an annular portion 22b which is fixedly attached to the through hole 10d of the back cover 10 by being fixed. The annular portion 22b is formed with a flange 22d that engages with the outer end of the through hole.

A storage tube 22 fixed to the back cover 10 by a roll.
The sensor 12 is housed in the housing, and the end of the annular portion 22b of the housing cylinder projects inward of the case back. An annular pressing plate 23 is attached to the inside of the back cover 10 with screws 24 to fix the sensor.

That is, the pressing plate 23 has a step,
As shown in FIG. 8, having a pair of opposing protrusions 23a,
It is formed so as to cover the housing cylinder 22 and the sensor 12, and is fixed to the inside of the back cover 10 by the screw 24 via the O-ring 14.

[0029]

As described above, according to the present invention, since the sensor is attached to the back cover of the timepiece, the timepiece can maintain its normal appearance. In addition, since water or air is directly sent to the measuring portion of the sensor through the opening, the communication groove, the opening groove, etc. provided in the sensor lid without providing a cover, the structure is simple, and water pressure or large pressure is required. The atmospheric pressure can be measured reliably, and the water depth and altitude can be measured with high accuracy.

[Brief description of drawings]

FIG. 1 is a sectional view of a sensor-attached timepiece according to a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a main part.

FIG. 3 is a perspective view of a sensor storage cylinder.

FIG. 4 is a perspective view of a sensor lid.

FIG. 5 is a sectional view showing a second embodiment of the present invention.

FIG. 6 is a sectional view showing a third embodiment of the present invention.

FIG. 7 is a sectional view showing a fourth embodiment of the present invention.

8 is a plan view of the pressing plate of FIG.

[Explanation of symbols]

 1 Clock 2 Watch Case 2a O-ring 2b Screw Ring 3 Glass 4 Crown 5 Dial 7 Movement 8 Circuit Board 10 Back Lid 10a Flange 10b Convex 10c Recess 10d Through Hole 11 Arm 12 Pressure Sensor 13 Sensor Storage Tube 13a large diameter portion 13b small diameter portion 13c opening groove 13d flange portion 13e screw portion 14 O-ring 15 sensor lid 15a base portion 15b annular peripheral edge portion 15c communication groove 15d opening portion 15e screw portion 16 connection spring 20 sensor storage cylinder 21 screw ring 22 sensor storage Tube 23 Press plate 24 Screw

Claims (6)

[Claims] 1. A sensor housing cylinder inserted into a through hole formed in the back cover of a timepiece and fixed to the back cover, a sensor housed in the sensor housing cylinder, and a fixing for fixing the sensor to the housing cylinder. A sensor-equipped timepiece including at least one of a member, a sensor housing cylinder, and at least one of a fixing member, which is formed so as to open laterally, and which includes an opening, a communication groove, and an opening groove. 2. The timepiece with a sensor according to claim 1, wherein the fixing member is a sensor lid fixed to the sensor housing cylinder in the back lid. 3. A sensor housing cylinder is formed on a base portion having at least one of an opening portion and an opening groove, an annular portion fixed to a through hole of a back lid by a ring, and an outer periphery of an upper end of the annular portion. The timepiece with a sensor according to claim 1, wherein the fixing member is a screw ring engaged with the screw portion of the housing cylinder. 4. The sensor housing cylinder has a base portion having at least one of an opening and an opening groove, and an annular portion having a projection portion fixed to a through hole of the back lid by being fixed thereto and protruding into the back lid. The timepiece with a sensor according to claim 1, wherein the fixing member is a pressing plate fixed to the back cover. 5. The sensor housing comprises a large-diameter portion having an opening groove on the outer periphery thereof and a small-diameter portion which is inserted into a through hole of the back lid and fixed by being attached thereto, and the sensor lid has an upper end portion thereof. 3. The timepiece with a sensor according to claim 2, further comprising a communication groove corresponding to the opening groove of the storage cylinder, and being press-fitted and fixed to the large diameter portion of the storage cylinder so as to cover the sensor. 6. The sensor housing has a threaded portion on the outer circumference of the large diameter portion, and the sensor lid has a threaded portion on its inner circumference to be engaged with the threaded portion of the housing, and a plurality of openings at the base. The sensor-equipped timepiece according to claim 2, further comprising: