JP3598833B2 - Radiation thermometer - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a radiation thermometer that measures body temperature by detecting infrared rays emitted from a living body, and particularly relates to a radiation thermometer that measures a body temperature by inserting a probe into an ear canal or an oral cavity.
[0002]
[Prior art]
This type of radiation thermometer has a probe having a built-in infrared sensor or the like protruding from a main body of a thermometer having an operation unit such as a power switch and a display unit for displaying a measured temperature value and the like. In such a radiation thermometer, a probe cover is generally attached to a probe at the time of body temperature measurement in consideration of hygiene. As the probe cover, an infrared-transmitting film or a resin molded product having the same shape as the probe and moderate flexibility is used.
[0003]
The mounting form of the probe cover to the probe, is shown in FIGS. 1 2-FIG 1 4. In mounting form shown in FIG. 1. 2, the thermometer main body circumferential convex portion 72 somewhat distally from the base portion 71 of the probe 70 projecting from the (not shown) are provided, corresponding to the convex portion 72 A concave portion 81 having a shape is formed in the probe cover 80. Here, since the probe cover 80 is a molded product and has flexibility, if the probe cover 80 is put over the probe 70 and pushed in, the convex portion 72 fits into the concave portion 81 and the probe cover 80 is fixed to the probe 70. Is done.
[0004]
Figure 1 in the mounting form shown in 3, a film probe cover 90 is infrared transparent, by pushing towards the probe base 71 with the probe cover 90 a ring-shaped member 93 having an appropriate flexibility, which is separately prepared The ring-shaped member 93 is fitted between the probe base 71 and the projection 72, whereby the probe cover 90 is fixed to the probe 70.
[0005]
In the attachment configuration shown in FIGS. 1-4, a ring-shaped Roi member 95 to the edge of the probe cover 90 is an infrared transparent film is attached, the upper member 96 is further sandwich the probe cover 90 on the outside of the lower member 95 Installed. The lower member 95 and the upper member 96 have appropriate flexibility, and when the two members 95 and 96 are pushed into the probe base 71 side, the lower member 95 is fitted to the convex portion 72, and the probe cover 90 is moved. It is fixed to the probe 70.
[0006]
[Problems to be solved by the invention]
However, in the attached form of FIG. 1 2, probe cover 80 is a molded article, since it must perform the undercut molded article after the resin molding requires an expensive special mold.
The mounting pattern of FIG. 1 3, in addition to the probe cover 90, it is necessary to prepare a ring-shaped member 93 as a separate component, is a high possibility that eliminate the ring-shaped member 93 when not in use. Moreover, it is difficult to securely hold the edge of the probe cover 90, which is a film, with the ring-shaped member 93, the position of the probe cover 90 is easily shifted, and the mounting work of the probe cover 90 is troublesome.
[0007]
The mounting pattern of FIG. 1 4, in addition to the probe cover 90, together because they require the lower member 95 and upper member 96, not only the number of parts is increased, the probe cover 90 and the lower member 95 and upper member 96 It takes a lot of man-hours to assemble it, and the cost increases. In addition, variations in performance due to assembly variations are likely to occur.
The present invention has been made in view of such a problem, and it is easy to attach / detach a probe cover to / from a probe, to reduce the number of man-hours and cost for assembling a probe cover, and to reduce radiation without performance instability due to assembly. The aim is to provide a thermometer.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, a radiation thermometer according to claim 1 of the present invention is provided with a probe that is protruded from a thermometer main body and has a probe cover attached thereto when measuring body temperature. And a fixing member swingably attached to the thermometer main body so as to be switchable between a fixed state of pressing and fixing the base part and a state of releasing the fixed state .
[0009]
In this radiation thermometer, the fixing member for fixing the probe cover is provided in the thermometer main body, so that the probe cover can be easily attached and detached and the fixing member is not lost.
The radiation thermometer according to claim 2 includes a probe protruding from the main body of the thermometer and having a probe cover attached thereto at the time of measuring body temperature, wherein a holding member for holding an edge of the probe cover is protruded from a base of the probe . It is characterized by the following.
[0010]
In this radiation thermometer, the probe cover is clamped by the clamping member protruding from the base of the probe, that is, the thermometer main body, so that the probe cover can be easily attached and detached. In addition, since the holding member may be formed integrally when the radiation thermometer including the probe is molded, the number of assembling steps and costs can be reduced.
The radiation thermometer according to claim 3, further comprising a probe protruding from the thermometer main body and having a probe cover attached thereto when measuring the body temperature, wherein the probe cover is an infrared-permeable bag covering the entire thermometer main body including the probe. When the body temperature is measured, the whole body of the thermometer is housed in the bag.
[0011]
In this radiation thermometer, since the entire body of the thermometer body is housed in the infrared-permeable bag , the probe cover covers the probe provided in the thermometer body, so that no separate component such as a fixing member is required for the thermometer body at all. Therefore, the probe cover can be easily attached and detached, and the cost can be considerably reduced.
The radiation thermometer according to claim 4, further comprising a probe protruding from the main body of the thermometer and having a probe cover attached thereto at the time of measuring the body temperature, wherein the probe cover has an adjusting member for adjusting the size of the opening at an edge thereof. It is characterized by being an infrared-permeable bag.
[0012]
In this radiation thermometer, the opening of the probe cover as a bag can be narrowed like a purse, so that the probe cover can be easily attached and detached and the cost can be reduced.
[0013]
The radiation thermometer according to claim 5 , further comprising a probe protruding from the main body of the thermometer and having a probe cover attached at the time of measuring body temperature, wherein the main body of the thermometer is provided with suction means, and the suction means is communicated with the inside of the probe. The probe cover is attracted to the probe by a suction force of the suction means.
[0014]
In this radiation thermometer, the probe cover is sucked by the suction means, so that the probe cover can be easily attached and detached.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described based on embodiments. However, the radiation thermometer of the present invention is characterized by the manner in which the probe cover is attached to the probe, and the other structure is the same as the conventional one.
FIG. 1 is a side view of a probe part of a radiation thermometer according to one embodiment of the present invention, and FIG. 2 is a front view thereof. This radiation thermometer is provided with a probe 2 which protrudes from the thermometer main body 1 and to which a probe cover 50 is attached at the time of measuring the body temperature. The thermometer main body 1 displays an operation unit such as a power switch and a measured body temperature. It has a display unit, and the probe 2 has a built-in infrared sensor and the like. A pressing plate (fixing member) 10 for pressing and fixing the edge of the probe cover 50 to the probe base 3 is swingably attached to the thermometer main body 1. Although an infrared-permeable film is shown as the probe cover 50 in FIG. 1, a resin molded product having substantially the same shape as the probe 2 and having an appropriate flexibility may be used.
[0016]
The pressing plate 10 has a U-shaped notch 10 a having a size through which the probe 2 can be inserted. The pressing plate 10 is swingably supported by a shaft 12 on a support 11 provided on a side surface of the head of the thermometer main body 1. ing. Although not shown in FIGS. 1 and 2, an urging member (for example, a spring) is provided at a connection portion between the pressing plate 10 and the support 11, and the pressing plate 10 is fixed by the urging member (see FIG. 1). (Solid line state).
[0017]
In this radiation thermometer, in order to attach the probe cover 50 to the probe 2, the pressing plate 10 is raised against the urging force of the urging member, and the probe cover 50 as a film prepared in advance is applied to the probe 2. 10 is fixed. Thus, the edge of the probe cover 50 is pressed and fixed to the probe base 3 by the pressing plate 10, and the probe cover 50 is mounted on the probe 2. When the probe cover 50 is detached from the probe 2, the pressing plate 10 may be raised. Of course, attachment and detachment when the probe cover 50 is a molded product may be performed in a similar manner using the pressing plate 10.
[0018]
FIG. 3 is a plan view (top view) of a probe part of a radiation thermometer according to another embodiment, and FIG. 4 is a side view thereof. In this radiation thermometer, claw pieces (fixing members) 15 for fixing the edges of the probe cover 60 are swingably attached to both side surfaces of the thermometer main body 1. The claw piece 15 is swingably supported by a pair of support pieces 16 provided on a side surface of the thermometer main body 1. Although not shown in FIGS. 3 and 4, an urging member (for example, a spring) is provided at a connection portion between the claw piece 15 and the support piece 16, and the claw piece 15 is fixed by the urging member (see FIG. 3). (Solid line state).
[0019]
The probe cover 60 is a molded product and has a flange 61 at an edge (opening) thereof. Also in this case, the probe cover 60 may be one in which a flange of another component is attached to the edge of the infrared-permeable film. Further, although two claw pieces 15 are provided, the number thereof is not limited. For example, three or four claw pieces 15 may be provided on the side surface or the front surface of the head of the thermometer main body 1.
[0020]
In this radiation thermometer, in order to attach the probe cover 60 to the probe 2, the claw 15 is raised against the urging force of the urging member, the probe cover 60 is put on the probe 2, and then the claw 15 is fixed. To Thus, the flange 61 of the probe cover 60 is pressed and fixed to the probe base 3 by the claw pieces 15, and the probe cover 60 is mounted on the probe 2. If the nail pieces 15 are raised, the probe cover 60 can be easily removed from the probe 2. When the probe cover 60 is a film, it can be attached and detached in exactly the same manner.
[0021]
FIGS. 5 (exploded side view) and 6 (cross-sectional view) show a probe mounting mode in the radiation thermometer according to the second embodiment. Here, a holding piece (a holding member) 20 for holding the edge 60 a of the probe cover 60 as a molded product is provided to protrude from the probe base 3. The holding pieces 20 are located at a distance slightly smaller than the thickness of the edge 60 a of the probe cover 60 from the probe 2, and are arranged at equal angles (90 °) on the concentric circle around the probe 2. I have. Of course, the number of the holding pieces 20 is not limited as long as the probe cover 60 can be stably held. For example, three holding pieces 20 may be arranged at equal angle (120 °) intervals. In addition, the shape of the holding piece 20 is not specified, and various shapes such as an arc shape, a rod shape, and the like can be considered.
[0022]
In this mounting mode, when the probe cover 60 is pushed toward the probe base 3, the edge 60a of the probe cover 60 fits into the gap between the holding piece 20 and the probe 2, and the probe cover 60 is attached to the probe 2. . If the probe cover 60 is pulled out, it can be easily removed from the probe 2.
FIG. 7 (side view) shows a probe mounting form of the radiation thermometer according to the third embodiment. Here, the probe cover 55 is an infrared-permeable bag that covers the entire thermometer main body 1 including the probe 2. By housing the thermometer main body 1 in the probe cover 55 as a bag, the probe cover is provided only to the probe 2. It has the same effect as putting on. In this case, it is only necessary to put the thermometer main body 1 in the probe cover 55 as compared with the case where the probe cover is mounted only on the probe 2, so that the attachment and detachment of the probe cover 55 is extremely easy, and special parts are separately prepared. There is no necessity to provide the probe cover (bag) 55 at all, and it is very inexpensive.
[0023]
FIG. 8 (side view) shows a probe part of the radiation thermometer according to the fourth embodiment. In this probe mounting mode, the probe cover 50 is an infrared-permeable bag having an adjusting member 51 for adjusting the size of the opening at its edge. That is, the opening of the probe cover 50 can be narrowed like a purse. Therefore, the adjustment member 51 is not specified as long as the opening can be narrowed, and rubber, a string, a belt, or the like may be used.
[0024]
In this mounting mode, the opening may be narrowed by the adjusting member 51 after the probe cover 50 is put on the probe 2, and the probe 2 can be easily removed. In this case, the probe cover 50 can be provided at low cost.
[0025]
FIG. 9 (cross-sectional view) shows a probe part of the radiation thermometer according to the fifth embodiment. In the thermometer main body 1 of the radiation thermometer, a pump 6 for sucking and supplying air as suction means is arranged, and the pump 6 and the inside of the probe 2 are communicated. The pump 6 may be electric or manual, and the pump 6 suctions and supplies air inside the probe 2.
[0026]
Note that the infrared sensor 5 is disposed inside the probe 2, and a film probe cover may be used in addition to the probe cover 60 of a molded product.
[0027]
According to this probe mounting mode, when the probe cover 60 is put on the probe 2 and the pump 6 is operated, the inside of the probe 2 is sucked. Since the tip opening of the probe 2 is air-tightly covered with the probe cover 60, if the inside of the probe 2 is sucked, the probe cover 60 is sucked and fixed by the probe 2. When the inside of the probe 2 is supplied by the pump 6, the air pressure inside the probe 2 increases, and the probe cover 60 comes off the probe 2.
[0028]
Further shown in FIG. 1 0 and 1 1 a probe mounting configuration according to another embodiment. This mounting form, the intended according to claim 2, unlike the nipping pieces 20 shown in FIGS. 5 and 6, a flexible clamping ring 40 as shown in FIG. 1 0 as the clamping member is used. The holding ring 40 has a hole 41 through which the probe 2 is inserted at the center and four projecting pieces 42 around the periphery. In addition, a number of cuts 43 reaching up to about half of the wall thickness are formed in portions other than the protruding pieces 42. The holding ring 40 is fixed to the probe base 3 by, for example, fitting. It is needless to say that the shape and the number of the protruding pieces 42 of the holding ring 40 are not limited to those illustrated.
[0029]
In this mounting mode, for example, an annular mounting tool 45 is further used. The attachment 45 is an elastic body, and has an insertion hole 46 for the probe 2 at the center and a projection 47 on the outer periphery. Mounting of the probe cover, as shown in (a) of FIG. 1 1, in a state carrying the probe cover 50 as infrared transparent film to the protrusion 47 side of the fixture 45, the probe 2 of the fixture 45 It is inserted into the insertion hole 46. When clamping ring 40 presses the probe 2 in the intensity of certain level to strike the fixture 45 to the fixture 45, as shown in (b) of FIG. 1 1, clamping ring by the convex portion 47 of the fixture 45 40 Is pressed, and the holding ring 40 is deformed. Then, the cut 43 opens, and the edge of the probe cover 50 fits into the opened cut 43. Here, when the probe 2 is separated from the fixture 45, the cut 43 is closed, the edge of the probe cover 50 is sandwiched by the cut 43, and the probe cover 50 is mounted on the probe 2. When the probe cover 50 is removed, the cut 43 is opened in the same manner as described above, and the edge of the probe cover 50 may be removed from the cut 43 in this state.
[0030]
However, in the above-described mounting mode, the mounting tool 45 is used, but the cut 43 may be opened by manually pressing the protruding piece 42 of the holding ring 40.
[0031]
【The invention's effect】
As described above, according to the radiation thermometer according to the first aspect, since the fixing member for fixing the probe cover is provided in the thermometer main body, the probe cover can be easily attached and detached, and the fixing member may be lost. Absent.
According to the radiation thermometer according to the second aspect, since the probe cover is held by the base of the probe, that is, the holding member protruding from the thermometer main body, the attachment and detachment of the probe cover becomes easy. In addition, since the holding member may be formed integrally when the radiation thermometer including the probe is molded, the number of assembling steps and costs can be reduced.
[0032]
According to the radiation thermometer according to the third aspect , the probe provided in the thermometer main body is covered by storing the entire thermometer main body in the infrared-permeable bag , so that the thermometer main body includes a fixing member or the like. Since no parts are required, the probe cover can be easily attached and detached, and the cost can be considerably reduced.
According to the radiation thermometer according to the fourth aspect, since the opening of the probe cover as a bag can be narrowed like a purse, attachment and detachment of the probe cover is easy and cost can be suppressed.
[0033]
According to the radiation thermometer according to the fifth aspect, the probe cover is sucked by the suction means, so that the probe cover can be easily attached and detached.
[Brief description of the drawings]
FIG. 1 is a side view of a probe part of a radiation thermometer according to an embodiment of the present invention.
FIG. 2 is a front view of a probe part of FIG. 1;
FIG. 3 is a plan view (top view) of a probe part of a radiation thermometer according to another embodiment of the first embodiment.
FIG. 4 is a side view of the probe part of FIG. 3;
FIG. 5 is an exploded side view showing a probe attachment form in the radiation thermometer according to the second embodiment.
FIG. 6 is a cross-sectional view of the probe mounting configuration of FIG.
FIG. 7 is a side view showing a probe mounting form in the radiation thermometer according to the third embodiment.
FIG. 8 is a side view of a probe part of the radiation thermometer according to the fourth embodiment.
FIG. 9 is a sectional view of a probe part of the radiation thermometer according to the sixth embodiment.
FIG. 10 is a perspective view of a holding ring used for mounting a probe in a radiation thermometer according to another embodiment of the second embodiment.
11 is a diagram showing a state in which a probe cover is attached to a probe of the radiation thermometer to which the holding ring of FIG. 12 is attached.
FIG. 12 is a cross-sectional view showing a probe attachment mode in a radiation thermometer according to a conventional example.
FIG. 13 is a cross-sectional view showing a probe attachment form in a radiation thermometer according to another conventional example.
FIG. 14 is a cross-sectional view showing a probe attachment form in a radiation thermometer according to still another conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Thermometer main body 2 Probe 3 Probe base 6 Pump (suction means)
10 Press plate (fixing member)
15 Nail pieces (fixing members)
20 Clamping pieces (clamping members)
40 Clamping ring (clamping member)
50 Probe cover (film)
51 Adjusting member 55 Probe cover (bag)
60 Probe cover (molded product)
61 Flange

Claims (5)

In a radiation thermometer provided with a probe that is protruded from a thermometer main body and a probe cover is attached when measuring a body temperature,
A fixing member that is swingably attached to the thermometer main body so that a fixed state in which the edge of the probe cover is pressed and fixed to the base of the probe and a state in which the fixed state is released can be switched. Characteristic radiation thermometer. In a radiation thermometer provided with a probe that is protruded from a thermometer main body and a probe cover is attached when measuring a body temperature,
A radiation thermometer, wherein a holding member for holding an edge of the probe cover is protruded from a base of the probe. In a radiation thermometer provided with a probe that is protruded from a thermometer main body and a probe cover is attached when measuring a body temperature,
The probe thermometer is characterized in that the probe cover is an infrared-permeable bag that covers the entire thermometer main body including the probe, and that the whole thermometer main body is accommodated in the bag when measuring body temperature. In a radiation thermometer provided with a probe that is protruded from a thermometer main body and a probe cover is attached when measuring a body temperature,
The radiation thermometer according to claim 1, wherein the probe cover is an infrared-permeable bag having an adjustment member at an edge thereof for adjusting the size of the opening. In a radiation thermometer provided with a probe that is protruded from a thermometer main body and a probe cover is attached when measuring a body temperature,
A radiation thermometer, wherein a suction means is provided in the thermometer main body, the suction means communicates with the inside of the probe, and the probe cover is sucked to the probe by a suction force of the suction means.

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