CN103181757A - Electronic thermometer - Google Patents
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- CN103181757A CN103181757A CN2012104915903A CN201210491590A CN103181757A CN 103181757 A CN103181757 A CN 103181757A CN 2012104915903 A CN2012104915903 A CN 2012104915903A CN 201210491590 A CN201210491590 A CN 201210491590A CN 103181757 A CN103181757 A CN 103181757A
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Abstract
This invention relates to an electronic thermometer capable of determining a stable measured temperature close to an equilibrium temperature when a beep sound notifies, without relying on the operation of the electronic thermometer by an operator, or the ambient temperature of the measurement, etc. The electronic thermometer (10) comprises: a temperature measuring unit (11); a temperature storage unit (21) storing temperatures measured by the temperature measurement unit (11) at each sampling time; a slope detection unit (23) calculating the slope of the measured temperature at each sampling time, based on the temperatures stored in the temperature storage unit (21); a timing unit (24) for timing the time with a slope having a slope less than a predetermined value calculated by the slope detection unit (23); a stable detection determining unit (25) generating a notification signal under the condition of the timing time of the timing unit (24) being continuous longer time than the predetermined value; and a control unit (12) capable of changing the predetermined time of a timing time of the timing unit (24).
Description
Technical field
The present invention relates to electronic clinical thermometer, relate in particular to and detect inspection body temperature exactly close to the electronic clinical thermometer of the state of equilibrium temperature.
Background technology
For electronic clinical thermometer, roughly be divided into actual measurement formula clinical thermometer and prediction type clinical thermometer according to metering system, roughly be divided into situation about in mouth, measuring and situation about measuring at axillary fossa according to the measuring point.
Here, body temperature is the temperature of the central part of health, and the temperature of the skin surface of the axillary fossa that changes with the influence that is subjected to ambient temperature is different.But if clinical thermometer is placed on the oxter and closes tight oxter heating certain hour, then the shown temperature of clinical thermometer is near " equilibrium temperature ".This equilibrium temperature is the temperature of portion of body centre, needs more than 10 minutes from the heating beginning to reaching equilibrium temperature.
That is, actual measurement formula clinical thermometer needs the inspection body temperature time more than 10 minutes basically in order accurately to measure equilibrium temperature.
And the prediction type clinical thermometer be the temperature measured is the basis, predicts the above-mentioned equilibrium temperature of computing and the clinical thermometer that shows by forecast function built-in in the clinical thermometer, checks that the body temperature time is significantly shortened to 10 ~ 90 seconds.
As mentioned above, because in actual measurement formula clinical thermometer, measure temperature and reach the time that equilibrium temperature need be long, so the time point that has temperature rising halfway to become mild sounds and notifies the situation of inspection body temperature close to the notice buzz of equilibrium temperature to the gauger.Beginning to the time average of the buzz of giving notice from inspection body temperature is about 2 minutes ~ 5 minutes.Displays temperature when the gauger can notify buzz according to sounding is known the temperature close to body temperature.In addition, in order to check that accurately body temperature also needs to proceed afterwards to measure.
In actual measurement formula clinical thermometer as described above, the buzz of giving notice when which type of condition becomes a technology point.
As the document that discloses this point, the electronic clinical thermometer of patent documentation 1 is arranged.
In the electronic clinical thermometer of patent documentation 1, the measurement temperature of temperature sensor is stored by each sampling timing, and calculate the variation of temperature rate of measuring by each sampling timing, rate of change below setting is continuously during the number of times of regulation, is judged as convergence, namely reached body temperature close to equilibrium temperature.
Particularly, will be by each sampling timing 1,2 ..., the measurement temperature measured of n-1, n is made as T(1), T(2) ..., T(n-1), T(n) situation under, the difference of the measurement temperature before the measurement temperature under certain sampling timing and k the sampling timing is defined as the rate of change Δ.That is,
Δ=T（n）-T（n-k）。
And, be predetermined the decision content α of the rate of change Δ of judging convergence, the hits of the Δ that satisfies Δ≤α continuous under the situation of the stipulated number that is predetermined m time, be judged as convergence.
In patent documentation 1, also keep peak value to measuring temperature, only each sampled value than the big situation of the peak value of measuring before this under, just upgrade.
Patent documentation 1: Japanese kokai publication sho 61-002029 communique
In order under axillary fossa, accurately to check body temperature, the front end of clinical thermometer need be with the angle of body axes and clinical thermometer and be inserted into axillary fossa about 30 ~ 45 °, and make the elbow of the hands of clamping clinical thermometer close tight axillary fossa fully near flank, be fixed into clinical thermometer inertia in measurement.
On the contrary, incorrect at initial laying method, perhaps the gauger looses health and causes under the situation of clinical thermometer offsetting in measurement, and the body temperature that might show in the timing of notice buzz become incorrect.
For example, the imagination clinical thermometer temporarily departs from from the accurate position of axillary fossa because the gauger is movable and gets back to the situation of position accurately again.Figure 12 represented to take place such state the time time of measurement temperature change.
Under these circumstances, measure temperature usually and should as the dotted line among the figure, pass, but pass as solid line owing to depart from.So, usually at the A of time t2 point because slope becomes mild and the buzz of should giving notice, but owing to also calculate same slope at the B point, so worry is at the time t1 buzz of giving notice.Under this situation, with respect to should being the T2 close to equilibrium temperature T0 with the notice buzz measurement temperature that show usually, and show the measurement temperature T 1 that has departed from equilibrium temperature T0.
Why this problem takes place is because in above-mentioned prior art, even under the situation that the measurement temperature curve departs from from common curve, the frequency condition m of convergence state also is fixed, as long as satisfy this condition at the B point, the buzz of just giving notice.
For such problem, namely the time show inappropriate temperature and provide for inaccurate this problem of body temperature information to the gauger in notice, be not limited to clinical thermometer from the situation of position deviation accurately, under the situation that the rate of rise of the incorrect and feasible measurement temperature of the method that is put into axillary fossa becomes mild with respect to common curve, also can take place.In addition, the temperature environment when measuring from common temperature section to high direction or low direction depart from, also can take place under the big situation of the temperature difference change of temperature environment and body temperature.
For example, owing to transmit the heat of body temperature from the skin surface of axillary fossa to clinical thermometer if be put into incorrect then being difficult to of the method for axillary fossa, become mild so measure the rate of rise of temperature with respect to common curve.Under this situation, if frequency condition m is fixed, then rate of change with measure temperature curve on common the time the identical part buzz of giving notice, but shown temperature becomes the temperature that departs from more from equilibrium temperature at this moment.That is, might not that the notice buzz has been sent in very stable zone measuring on the temperature curve, cause having reported inappropriate body temperature information to the gauger.
This is also identical in following situation: owing to the temperature that is subjected to the low skin surface that influences axillary fossa of ambient temperature also step-down, the body temperature at the center of health is difficult to pass to temperature sensor by the skin surface of axillary fossa, causes measuring temperature curve and becomes mild.
As mentioned above, in the prior art, in the measurement of bldy temperature that has used electronic clinical thermometer, movable health of gauger etc. and when causing the position of clinical thermometer to take place to depart from, perhaps since the ascending curve that is put into the incorrect and feasible measurement temperature of method of axillary fossa become when mild usually, when perhaps measures ambient temperature deflection is than the high or low any one party of anticipation usually, namely to sum up, under the situation that the ascending curve of measuring temperature departs from from the curve of common prediction, all there is room for improvement in the buzz this point of giving notice with appropriate temperature.
Summary of the invention
The present invention's background technology is in view of the above finished, and its purpose is, can not rely on the gauger to the operation of electronic clinical thermometer or measures ambient temperature etc., confirms stable measurement temperature when buzzer is notified.
In order to solve above-mentioned problem, electronic clinical thermometer of the present invention is characterised in that to have: the temperature measurement unit of measuring temperature; Store the memory element of the temperature of being measured by temperature measurement unit by each sampling timing; Based on the measurement temperature of storing in the memory element, calculate the slope detection unit of the slope of measuring temperature by each sampling timing; Be the timing unit that the time below first setting that is predetermined carries out timing to the slope that is calculated by the slope detection unit; With the timing time of timing unit continuous under the situation more than the stipulated time that is predetermined, produce the stable detection judging unit of notification signal; Can be changed the stipulated time based on the temperature of storing in the temperature of being measured by temperature measurement unit or the memory element.
According to the present invention; even make electronic clinical thermometer from the situation of the accurate position deviation of axillary fossa, namely measure under the situation that temperature curve departs from from the curve of common prediction at the movable health of gauger etc.; also can make the judgement time that sending of notice buzz judged from the standard value increase and decrease, namely to notifying sending of buzz regularly to carry out so-called protection, when notice, confirm stable body temperature.
Preferred slope detection unit calculates that measurement temperature under the current sampling timing has deducted the measurement temperature under first sampling that is predetermined sampling timing before several and the temperature amplitude that obtains, than second setting that is predetermined below first setting hour, the stable detection judging unit increases the stipulated time of timing time at temperature amplitude.
In addition, preferred timing unit also possesses the function of initializing that makes timing time turn back to original state, than second setting hour, also makes the timing time initialization of timing unit at temperature amplitude.
In addition, be preferably based on after measuring beginning through measurement temperature that calculate after the time that is predetermined, under the current sampling timing deducted the measurement temperature under second sampling that the is predetermined sampling timing before several and the rate of change that obtains, make the stipulated time increase and decrease.
Under this situation, though measure temperature curve owing to the incorrect situation that becomes mild to the laying method of axillary fossa under, also can be when the notice buzz sends the stable temperature of demonstration.
In addition, preferred also have the ambient temperature that has been predetermined when measuring beginning and a table of the relation between the variable value of stipulated time, the stable detection judging unit is reference table when measuring beginning, and the ambient temperature of measuring according to temperature measurement unit makes the stipulated time increase and decrease.
At this moment, under the bigger situation of the temperature difference of electronic clinical thermometer and ambient temperature, can when sending, the notice buzz show stable temperature.In addition, under the less situation of the temperature difference of electronic clinical thermometer and ambient temperature, can make the timing advance of notice buzz, become the easy-to-use electronic clinical thermometer for the gauger.
In addition, preferred slope calculates as the difference that the measurement temperature under current sampling timing has deducted after the highest measurement temperature the measurement temperature that was sampled before current sampling timing.
According to electronic clinical thermometer of the present invention, can not rely on the operation clinical thermometer carried out by the gauger or ambient temperature etc., when notifying, buzzer confirms stable body temperature.
Description of drawings
Fig. 1 is the outside drawing of the related electronic clinical thermometer of the 1st embodiment of the present invention.
Fig. 2 is the functional block diagram of the related electronic clinical thermometer of the 1st embodiment of the present invention.
Fig. 3 is the functional block diagram of the pith among Fig. 1.
Fig. 4 is the flow chart of the action of the related electronic clinical thermometer of the 1st embodiment of the present invention.
Fig. 5 is the figure for the detection that departs from of the related electronic clinical thermometer of explanation the 1st embodiment of the present invention.
Fig. 6 is the figure for the measurement temperature curve of the inappropriate situation of laying method of the related electronic clinical thermometer of explanation the 2nd embodiment of the present invention.
Fig. 7 is the figure for the rate of change detection of the related electronic clinical thermometer of explanation the 2nd embodiment of the present invention.
Fig. 8 is the flow chart of the action of the related electronic clinical thermometer of the 2nd embodiment of the present invention.
Fig. 9 is the figure of the variation of the measurement temperature curve that causes because of ambient temperature for the related electronic clinical thermometer of explanation the 3rd embodiment of the present invention.
Figure 10 is the table of ambient temperature with the convergence judgement time relation of the related electronic clinical thermometer of expression the 3rd embodiment of the present invention.
Figure 11 is the flow chart of the action of the related electronic clinical thermometer of the 3rd embodiment of the present invention.
Figure 12 is that the expression clinical thermometer is from the figure of the time variation of the measurement temperature of the situation of the accurate position deviation of axillary fossa.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
At first, with reference to Fig. 1 and Fig. 2 the formation of electronic clinical thermometer involved in the present invention 10 is described.
In Fig. 1, the outward appearance of electronic clinical thermometer 10 comprise by the axillary fossa clamping come take temperature temperature sensor 11a, show the body temperature measure display part 14, power supply be made as the switch 16, main body 19 of ON/OFF and constitute.
With reference to Fig. 2, the hardware of electronic clinical thermometer 10 is by constituting with lower member: by temperature sensor 11a and will be that temperature survey portion 11, display part 14, the notice that the A/D converter 11b of digital signal constitutes checks that body temperature is close to the buzzer 15, the switch 16 that finish and the CPU12 that is connected with these parts from the analogue measurement conversion of signals of temperature sensor.
(the 1st embodiment)
Present embodiment be at electronic clinical thermometer 10 from the accurate position deviation of axillary fossa and relay under the situation of getting back to accurate position, can be in the give notice mode of buzz of the inappropriate timing shown in the B of Figure 12 point yet.
With reference to Fig. 3 and Fig. 4, the action during to the measurement of bldy temperature of electronic clinical thermometer 10 describes.Fig. 3 has represented the main formation that is associated with measurement of bldy temperature of the inside of CPU12.
In Fig. 3, the temperature that temperature survey portion 11 measures with digital signal output temperature sensor 11a.
Greatest measurement storage part 22 is stored the maximum of the temperature of measuring by each sampling timing.If after calculating slope by slope detection portion 23, the measured value of up-to-date sampling timing becomes maximum, then receives measured values from slope detection portion 23 and upgrades and store.And if the greatest measurement of storing is more than 32 ℃, then 22 outputs of greatest measurement storage part make the signal of the counting unlatching of time counter 24.
For time counter 24, be reset at the time started point counting of measuring, begin for to judge the counting of the time of stable detection from the signal of greatest measurement storage part 22.And time counter 24 is to stable detection judging part 25 output countings.Time counter 24 according to from the reset signal of slope detection portion 23 outputs with count resets.
Stable detection judging part 25 judges based on the counting of the slope that is calculated by slope detection portion 23 and time counter 24 whether inspection body temperature is stable.At this moment, stable detection judging part 25 departs from the detected temperatures amplitude based on what calculated by slope detection portion 23, changes for judging and checks whether the time is judged in stable convergence to body temperature.And, check that body temperature is stable if be judged to be, then stable detection judging part 25 is to buzzer control part 26 output count end signals.
Next, to preventing in the present embodiment that the formation of notifying buzz to send in inappropriate timing from describing.
Measurement temperature under the sampling timing n is made as T(n), the greatest measurement measured before the sampling timing n is made as Tmax, is made as T(n-j than the measured value under the forward j of the sampling timing n sampling timing of second), parameters needed is carried out definition as follows.
" slope " g:g=T(n)-Tmax (℃)
" convergence decision content " α (℃)
" convergence judgement time " t0(second)
The Δ 1 that " departs from the detected temperatures amplitude ": Δ 1=T(n)-T(n-j) (℃)
" depart from detect decision content " β (℃)
Here, the temperature sensor 11a that " depart from the detected temperatures amplitude ", " the departing from " of " depart from detect decision content " refers to electronic clinical thermometer breaks away from from the appropriate position of axillary fossa.
In the present embodiment, with the measured value Tmax and the measured value T(n under the sampling timing that keeps peak value) difference come detected slope g, when this slope g becomes the certain value that is predetermined and namely restrains in the decision content α, be judged as the measurement temperature curve and tend towards stability.That is, in the present embodiment, slope g is judged that as being used for the temperature amplitude of the convergence that checks body temperature uses.
The value of α can be set arbitrarily, but below the arithmetic point of it is made as 0.00 ℃ in the present embodiment (be used for relatively to T(n) and Tmax 2 judge the value that does not have rising).
Convergence judges that time t0 is the gate time that stable detection judging part 25 is used for judging the stable time counter 24 that checks body temperature, and the time remaining t0 of g≤0.00 is sent regularly as the notice buzz second.The value of t0 can be set arbitrarily, but it is made as 8 seconds in the present embodiment.
Wherein, if set up g＞0.00, then time counter 24 is sent reset signal, the 24 pairs of countings of time counter that received this reset signal carry out initialization.That is, be judged as slope g and also do not become mild and continue count resets to time counter 24, perhaps detect and temporarily become mild but be judged as also unstable and reset.That is, as long as g≤0.00 does not have continuous 8 seconds, then the counting of time counter 24 just always is reset.
In the present embodiment, also has following feature: imported and be used for preventing notifying buzz to depart from detected temperatures amplitude, ao 1 what inappropriate timing was sent.That is, in principle if g≤0.00 continues 8 seconds buzzs of then giving notice, but depart from if in the counting of time counter 24, detect by parameter Δ 1, then CPU12 makes the count resets of time counter 24, and t0 is added 1, that is, will restrain and judge that time t0 extended to 9 seconds from 8 seconds.
Departing from the value of the j under the detected temperatures amplitude, ao 1 can set arbitrarily, but establishes j=8 in the present embodiment.In addition, depart from detection decision content β and also can suitably be set, in the present embodiment β is made as 0.00, if set up Δ 1＜β=0.00, then be judged as and taken place to depart from.
Fig. 4 is the flow chart of the action of explanation electronic clinical thermometer 10.
If the power connection of electronic clinical thermometer 10, then CPU12 at first makes the count resets (S402) of time counter 24.
Next, temperature reading part 20 reads in the temperature of being measured by temperature survey portion 11 by each sampling timing (S404).
The slope detection portion 23 of CPU12 calculates slope g and departs from detected temperatures amplitude, ao 1(S408).
For the greatest measurement storage part 22 of CPU12, the measured value of up-to-date sampling timing is under the peaked situation after detecting slope, and greatest measurement storage part 22 upgrades maximum of T max(S410).
On the other hand, (S414: "No"), display control unit makes being shown as " L " (S416) and turning back to S404 of display part 14 during less than 32 ℃ as the Tmax of greatest measurement storage part in S414 22 storage.
(S412: "Yes"), enter into S420, display control unit is the Tmax that greatest measurement storage part 22 is stored with the display update of display part 14 when the counting of time counter in S412 24 is ON.
Next, slope detection portion 23 judges at the slope g that calculates whether g≤0.00 sets up (S422).(S422: "No"), turn back to S402, (S422: "Yes"), be judged as the slope g that measures temperature curve and just tend towards stability and enter into next step under situation about setting up under the invalid situation in g≤0.00.The peak value rising that temperature is measured by 23 pairs in slope detection portion does not still monitor with interior not changing in certain amplitude.
Then, slope detection portion 23 judges whether Δ 1＜0.00 sets up (S424).(S424: "Yes"), be judged as and taken place to depart from, t0 is prolonged 1 second (S426), turn back to the count resets that S402 makes time counter 24 then under the situation that Δ 1＜0.00 is set up.
On the other hand, if Δ 1 〉=0.00 sets up (S424: "No"), namely do not detect and depart from, then enter into S428, whether the counting of the stable detection judging part 25 judgement time enumerators 24 of CPU12 reaches t0 in S424.
If being judged as the counting of time counter 24 by stable detection judging part 25 is to restrain to finish (S428: "Yes") 8 seconds of judging time t0, then 25 pairs of buzzer control parts 26 of stable detection judging part send the buzz output signal, and the buzzer control part 26 that has received this signal makes buzzer 15 pipe (S430).As described above, the buzz of giving notice.
As counting in S428 when not finishing (S428: "No"), the counting of time counter 24 is added 1(S432), and turn back to S404, carry out reading in of measured temperature again, carry out the action of starting from S404 repeatedly.
Here, (S422: "No"), then turn back to S402, the counting of time counter 24 is reset, and carries out the action of starting that reads from the measured value of S404 repeatedly if g＞0.00 sets up in the counting of time counter 24.
In addition, after having sent the notice buzz, as long as the gauger does not take out clinical thermometer from axillary fossa, then electronic clinical thermometer 10 can continue to measure temperature.
Next with reference to Fig. 5, the detection principle that departs from the present embodiment and its effect are described.
Fig. 5 is with near the figure after amplifying the point of the B among Figure 12, illustrates measurement temperature T (n), T (n-1), T (n-2), T (n-8), T (n-9), the T (n-10) at sampling timing n, n-1, n-2, n-8, n-9, n-10 place.Because electronic clinical thermometer 10 is from the accurate position deviation of axillary fossa, depart from so measure the mild ascending curve that curve never measures from the accurate position deviation of axillary fossa, after temporarily becoming maximum, descend from beginning near the sampling timing n-2.
Point out to depart from detected temperatures amplitude, ao 1 again with departing from the detection decision content.In the present embodiment, owing to set j=8, depart from so when following formula is set up, be judged as to detect.
Δ1=T（n）-T（n-8）＜0.00
Here, according to Fig. 5, at the T(n-1 that has passed through sampling timing n-1 place)-T(n-9)＞0.00 after, n becomes T(n in sampling timing)-T(n-8)＜0.00, Δ 1＜0.00, be that Δ 1＜β sets up, be judged as electronic clinical thermometer 10 and taken place to depart from.That is, for departing from detected temperatures amplitude, ao 1, because electronic clinical thermometer 10 detects the zone that the measurement temperature curve that rising descends from the appropriate position deviation of axillary fossa, be judged as the position deviation of electronic clinical thermometer 10.
If detect departing from of electronic clinical thermometer 10 by above principle, then as previously mentioned, CPU12 judges that to convergence time t0 adds 1 it is become 9 seconds, makes the count resets of time counter 24 then.Judge time t0 by prolonging convergence, be altered to the slope g that measures on the temperature curve and restrain in milder zone.Be that all the condition of convergence becomes harsher by this change, convergence regularly more partially after.Therefore, can prevent sampling timing n later on till the measurement temperature curve that reverts to common prediction during, near the buzz of for example B of Figure 12 point, giving notice.
As mentioned above; electronic clinical thermometer 10 according to present embodiment; even make electronic clinical thermometer 10 under the situation of the accurate position deviation of axillary fossa, namely measuring under the situation that temperature curve departs from from the curve of common prediction at the movable health of gauger etc.; also can make the convergence regularly of sending of judging the notice buzz judge that the time increases, namely sending of notice buzz regularly carried out so-called protection from standard value, and when notice, confirm stable body temperature.
In addition, convergence judges that the value added of time t0 was not limited to 1 second, can set arbitrarily.In addition, also can be for example according to T(n) and poor T(n T(n-1))-T(n-1) judge the degree that temperature descends, decide the value added of t0 according to this difference.Thus, can prevent from notifying buzz to send in inappropriate timing more effectively.
In the above-described embodiment, carried out the both sides that reset of the counting of the increase of t0 and time counter 24, but also can only carry out any one party.And, for the timing of the buzz that prevents from giving notice significantly postpones, also can the upper limit be set to the change number of times of t0.
In addition, after measuring beginning through certain hour after owing to think greatest measurement close to equilibrium temperature, so can be made as OFF with departing from measuring ability automatically.
(the 2nd embodiment)
With reference to Fig. 6 to Fig. 8, the 2nd embodiment of the present invention is described.
Present embodiment is used for when measuring beginning electronic clinical thermometer 10 under the inappropriate situation of the laying method of axillary fossa, perhaps measuring the beginning back from the accurate position deviation of axillary fossa and keeping under the situation of this state, prevent from notifying buzz to send in inappropriate timing.
The formation that is associated with measurement of bldy temperature of the 2nd embodiment is the formation at the Fig. 3 that illustrates in the 1st embodiment, and the Δ 1(that slope detection portion 23 is calculated departs from the detected temperatures amplitude) be replaced into the formation of rate of change Δ 2.
Fig. 6 has represented the curve of when the measuring beginning electronic clinical thermometer 10 measurement temperature under the inappropriate situation of the laying method of axillary fossa with solid line, and, be represented by dotted lines appropriate situation, be the measurement temperature curve of normal conditions.As shown in the drawing, if put to the laying method of axillary fossa incorrectly, then compare with appropriate situation, because the temperature sensor 11a that the heat of body temperature is difficult to from the skin surface of axillary fossa to electronic clinical thermometer 10 transmits, become mild so measure the slope of temperature curve.Measuring the beginning back from the accurate position deviation of axillary fossa and keeping under the situation of this state, becoming mild from the slope midway of the dotted line of Fig. 6.
If such state takes place, the buzz though then usually should the some C on dotted line give notice, the display part 14 of electronic clinical thermometer 10 shows measures temperature T 1, but can have with a solid line of C same slope on the some D buzz of giving notice, display part 14 shows measures temperature T 2.
So, electronic clinical thermometer 10 takes place at the also abundant stable sampling timing buzz of measuring on the temperature curve of giving notice, report inappropriate this problem of body temperature information to the gauger.
Given this, in the present embodiment, calculate from measurement and begin through certain hour 50 seconds the rate of change Δ 2 of time point for example this Δ 2 to be compared with rate of change decision content γ, judge and whether measure temperature curve gently for usually more than the prediction.That is, at Δ 2=T(n)-T(n-i)＜and when γ sets up, be judged to be and measure temperature curve gently for more than the common prediction, convergence is judged that time t0 adds the time that is predetermined, in the littler zone convergence of slope g.
I in the Δ 2 can set arbitrarily, but is made as i=8 in the present embodiment.In addition, γ and above-mentioned add time can be set arbitrarily, for example can be made as respectively 0.08 ℃, 2 seconds.Measure the beginning back and be not limited to certainly 50 seconds to the time that calculates till the Δ 2, can set arbitrarily.
That this is specifically illustrated is Fig. 7.Measuring beginning after back 50 seconds, have the rate of change Δ 2p at a P place when being changed to be represented by dotted lines common, relative with it, in the solid line that the problems referred to above have taken place, have the rate of change Δ 2q at a Q place.Because solid line becomes the curve milder than dotted line, so Δ 2q＜Δ 2p.
In the present embodiment, when Δ 2＜0.08 is set up, be judged as and measure temperature curve gently for more than common, to adding 2 on the t0, the constant time lag that the notice buzz is piped arrives the littler scope of slope g, and shown temperature becomes the more stable temperature of measuring on the temperature curve.
Particularly, do not adopting under the situation of present embodiment, the D point notice temperature T 2 of the time t2 in Fig. 6, but under the situation that adopts present embodiment, it is deferred to the E point of time t3, show the temperature that approaches with common notice temperature T 1.
Fig. 8 is the flow chart of the action of explanation electronic clinical thermometer 10.
Because the S802 to S806 among Fig. 8 is identical with the S402 to S406 among Fig. 4, omit explanation.
In the present embodiment, the slope detection portion 23 of CPU12 calculates slope g in S808, and calculates Δ 2 begin through 50 seconds situation from measurement under.As long as 50 seconds timing for example by built-in timer (not shown) in CPU12, is sent the calculation command signal and is got final product after timing finishes.
Because ensuing S810 to S820 is identical with S410 to S420 among Fig. 4, so the omission explanation.
Next, the slope detection portion 23 of CPU12 judges Δ 2＜γ, is whether Δ 2＜0.08 sets up (S822).This judgement can only be carried out in the measurement beginning in back 50 seconds, also can be judged as "No" till calculating Δ 2 in S822 in advance to the bigger value of Δ 2 substitutions, for example infinitely great.
(S822: "Yes"), it is mild usually to be judged as slope ratio, prolongs (S824) so convergence judgement time t0 is added 2, and enters into S826 because when Δ in S822 2＜0.08 is set up.If be false, then since think slope be in the common scope (S822: "No"), so directly enter into S826.
In S826, slope detection portion 23 judges g≤α, is whether set up g≤0.00, judges the convergence situation.Because ensuing S828 to S832 is identical with S428 to S432 among Fig. 4, so the omission explanation.
As mentioned above, in the present embodiment, begin through judging slope according to the rate of change of measuring temperature curve behind the certain hour from measurement, be judged as to the laying method of axillary fossa etc. because of electronic clinical thermometer slope g than mild usually situation under, prolong convergence and judge time t0 and change to the littler zone convergence at slope g, prevented from when the notice buzz sends, having notified the measurement temperature of measuring the unsettled sampling timing on the temperature curve.
In addition, in the present embodiment, prolong convergence judgement time t0 based on the rate of change that begins from measurement through the measurement temperature curve behind the certain hour, but also it can be shortened.For example, can consider because under the measures ambient temperature condition with higher, the temperature difference of body temperature and electronic clinical thermometer is less, so measure the rising of temperature curve in advance, therefore according to beginning through the rate of change of the measurement temperature curve behind the certain hour it to be judged from measurement, can shorten convergence on the contrary and judge the time t0 ground notice buzz that pipes in advance.Below should example describe as the 3rd embodiment.
(the 3rd embodiment)
With reference to Fig. 9 to Figure 11, the 3rd embodiment of the present invention is described.
The measurement temperature curve that present embodiment has been imagined electronic clinical thermometer 10 breaks away under such situation in prediction in advance owing to the difference of body temperature and ambient temperature breaks away from the situation of common curve, and the value of time t0 is judged in the increase and decrease convergence.
Fig. 9 has represented to take place the measurement temperature curve of the situation of such state.
For example wait under the lower situation of ambient temperature in the winter time, because it is also lower to be subjected to the temperature of the low skin surface that influences axillary fossa of ambient temperature, so the heat at the center of health is difficult to be transmitted to temperature sensor 11a by the skin surface of axillary fossa, therefore shown in the measurement temperature curve C3 of this figure, with respect to common measurement temperature curve C2, it is mild that slope becomes.Under this situation, because the problem identical with the problem of explanation in the above-described 2nd embodiment takes place, institute will be deferred to the J point of time t5 at the I of time t4 point displays temperature T3 so that t0 increases, and show the temperature close to T2.
On the other hand, under ambient temperature condition with higher such as summer, because the temperature of the skin surface of axillary fossa is also higher, so the heat at the center of health is easy to be transmitted to temperature sensor 11a by the skin surface of axillary fossa, therefore shown in the measurement temperature curve C1 of Fig. 9, with respect to curve C 2, slope is very steep.Under these circumstances, owing to converge on equilibrium temperature in advance on the time, arrive stable temperature quickly, the buzz of therefore can giving notice in advance.That is, in Fig. 9, if do not change the value that time t0 is judged in convergence, then at the G of time t2 point notice T1, but t0 is reduced, at the F of time t1 point (having than the big slope of the G point) buzz of giving notice, show the temperature close to T2.
Therefore, under this situation, can reduce convergence on the contrary and judge time t0, the buzz of more early giving notice, easier use concerning the gauger.
Next, concrete formation and the action to present embodiment describes.At first, the formation that is associated with measurement of bldy temperature of the 3rd embodiment is the formation at the Fig. 3 that illustrates in the 1st embodiment, temperature reading part 20 is exported to stable detection judging part 25 from the measured value that temperature survey portion 11 reads as ambient temperature measurement value when measuring beginning, and stable detection judging part 25 makes convergence judge the formation of time t0 increase and decrease according to ambient temperature measurement value.
Next, in the present embodiment, wait by experiment in advance to determine to judge with respect to the convergence of ambient temperature the variable value of time t0, and be stored in the interior memorizer of CPU12 etc.
Figure 10 is the table of an expression one example.As shown in figure 10, in the present embodiment, ambient temperature is more than 15 ℃ during less than 35 ℃, and the increase and decrease of t0 is made as 0, increases by 2 seconds during less than 15 ℃, reduce 1 second in the time of more than 35 ℃, but these conditions can be set arbitrarily.
Figure 11 is the flow chart of the action of explanation electronic clinical thermometer 10.
And, as shown in figure 11, the measured value that CPU12 will be measured by temperature sensor 11a when measuring beginning is measured (S102) as ambient temperature, and obtains the variable value of t0 with reference to the table of Figure 10, will restrain the judgement time to be re-set as t0 and to add variable value (S104).This action for example can be carried out in power supply is continuously the self-checking behavior of ON.Because the later flow process of S106 is identical with the explanation in above-mentioned the 1st, the 2nd embodiment, so the omission explanation.
As mentioned above, electronic clinical thermometer 10 according to present embodiment, even measure temperature curve since body temperature with the temperature difference of ambient temperature under the situation of common curve disengaging, also can under the big situation of temperature difference, make convergence judge that time t0 increases, prevent from when the notice buzz sends, showing the temperature of measuring the unsettled sampling timing on the temperature curve, t0 is reduced, make the timing advance of the buzz of giving notice, the gauger is used easily.
In the above description, the 1st to the 3rd embodiment has been described respectively, but can have made these embodiments suitably make up to constitute electronic clinical thermometer of the present invention.
For example, the 2nd embodiment and the 3rd embodiment are made up, if change the variable value of judging time t0 according to the convergence that determines through the slope g behind the certain hour after the measurement beginning according to measures ambient temperature, the displays temperature when the notice buzz is sent is more appropriate.
Symbol description: 10 ... electronic clinical thermometer; 11 ... temperature survey portion; 11a ... temperature sensor; 11b ... A/D converter; 12 ... CPU; 14 ... display part; 15 ... buzzer; 16 ... switch; 19 ... main body; 20 ... the temperature reading part; 21 ... the temperature storage part; 22 ... the greatest measurement storage part; 23 ... slope detection portion; 24 ... time counter; 25 ... the stable detection judging part; 26 ... the buzzer control part.
Claims (6)
1. electronic clinical thermometer has:
Measure the temperature measurement unit of temperature;
Store the memory element of the temperature of being measured by this temperature measurement unit by each sampling timing;
Based on the measurement temperature of storing in this memory element, calculate the slope detection unit of the slope of measuring temperature by each sampling timing;
Be the timing unit that the time below first setting that is predetermined carries out timing to the slope that is calculated by this slope detection unit; With
The timing time of this timing unit continuous under the situation more than the stipulated time that is predetermined, produce the stable detection judging unit of notification signal; This electronic clinical thermometer is characterised in that,
The described stipulated time can change based on the temperature of storing in the temperature of being measured by described temperature measurement unit or the described memory element.
2. electronic clinical thermometer according to claim 1 is characterized in that,
Described slope detection unit calculates that measurement temperature under the current sampling timing deducts the measurement temperature under first sampling that is predetermined sampling timing before several and the temperature amplitude that obtains, than second setting that is predetermined below described first setting hour, described stable detection judging unit increases the stipulated time of described timing time at described temperature amplitude.
3. electronic clinical thermometer according to claim 2 is characterized in that,
Described timing unit also possesses the function of initializing that makes described timing time turn back to original state,
Than described second setting hour, also make the timing time initialization of described timing unit at described temperature amplitude.
4. according to any described electronic clinical thermometer in the claim 1 ~ 3, it is characterized in that,
Based on after measuring beginning through measurement temperature that calculate after the time that is predetermined, under the current sampling timing deduct the measurement temperature under second sampling that the is predetermined sampling timing before several and the rate of change that obtains, make described stipulated time increase and decrease.
5. according to any described electronic clinical thermometer in the claim 1 ~ 4, it is characterized in that,
Also have the ambient temperature that has been predetermined when measuring beginning and the table of the relation between the variable value of described stipulated time,
Described stable detection judging unit is shown with reference to this when measuring beginning, and the ambient temperature of measuring according to described temperature measurement unit makes described stipulated time increase and decrease.
6. according to any described electronic clinical thermometer in the claim 1 ~ 5, it is characterized in that,
Described slope deducts the highest measurement temperature the measurement temperature that was sampled as the measurement temperature under current sampling timing before current sampling timing and the difference that obtains is calculated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-284781 | 2011-12-27 | ||
| JP2011284781A JP5757856B2 (en) | 2011-12-27 | 2011-12-27 | Electronic thermometer |
Publications (2)
| Publication Number | Publication Date |
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| CN103181757A true CN103181757A (en) | 2013-07-03 |
| CN103181757B CN103181757B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210491590.3A Expired - Fee Related CN103181757B (en) | 2011-12-27 | 2012-11-27 | Electronic clinical thermometer |
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| CN (1) | CN103181757B (en) |
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| CN104416943A (en) * | 2013-09-09 | 2015-03-18 | 蛇目缝纫机工业株式会社 | Electric press, bend-point detection method, and program |
| CN104416945A (en) * | 2013-09-09 | 2015-03-18 | 蛇目缝纫机工业株式会社 | Electric press, bend-point detection method, and program |
| CN106725362A (en) * | 2017-01-14 | 2017-05-31 | 维沃移动通信有限公司 | Body temperature measurement method and mobile terminal |
| CN108236456A (en) * | 2016-12-27 | 2018-07-03 | 北京小米移动软件有限公司 | Detect method, apparatus and the electronic thermometer that clinical thermometer is placed |
| CN108414117A (en) * | 2018-06-11 | 2018-08-17 | 衡阳师范学院 | The electronic thermometer and Monitoring System for Body Temperature of Medical Use of measurement result can periodically be stored |
| CN112179523A (en) * | 2020-09-27 | 2021-01-05 | 成都电科新锐科技有限公司 | Intelligent continuous automatic temperature measuring method and system |
| WO2022007348A1 (en) * | 2020-07-06 | 2022-01-13 | 浙江宇视科技有限公司 | Temperature detection method and apparatus, medium, and electronic device |
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| CN103424207A (en) * | 2013-09-04 | 2013-12-04 | 东阿阿胶阿华医疗器械有限公司 | Electronic clinical thermometer and manufacturing method thereof |
| JP6278402B2 (en) * | 2014-09-29 | 2018-02-14 | テルモ株式会社 | Electronic thermometer |
| JP6031496B2 (en) * | 2014-12-16 | 2016-11-24 | 白光株式会社 | Temperature measuring apparatus and temperature measuring method |
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| CN104416945A (en) * | 2013-09-09 | 2015-03-18 | 蛇目缝纫机工业株式会社 | Electric press, bend-point detection method, and program |
| CN104416943B (en) * | 2013-09-09 | 2017-04-12 | 蛇目缝纫机工业株式会社 | Electric press, bend-point detection method, and program |
| CN104416945B (en) * | 2013-09-09 | 2017-04-12 | 蛇目缝纫机工业株式会社 | Electric press, bend-point detection method, and program |
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| CN104416943A (en) * | 2013-09-09 | 2015-03-18 | 蛇目缝纫机工业株式会社 | Electric press, bend-point detection method, and program |
| CN108236456A (en) * | 2016-12-27 | 2018-07-03 | 北京小米移动软件有限公司 | Detect method, apparatus and the electronic thermometer that clinical thermometer is placed |
| CN106725362A (en) * | 2017-01-14 | 2017-05-31 | 维沃移动通信有限公司 | Body temperature measurement method and mobile terminal |
| CN108414117A (en) * | 2018-06-11 | 2018-08-17 | 衡阳师范学院 | The electronic thermometer and Monitoring System for Body Temperature of Medical Use of measurement result can periodically be stored |
| CN108414117B (en) * | 2018-06-11 | 2024-04-19 | 衡阳师范学院 | Electronic thermometer capable of regularly storing measurement results and medical body temperature monitoring system |
| WO2022007348A1 (en) * | 2020-07-06 | 2022-01-13 | 浙江宇视科技有限公司 | Temperature detection method and apparatus, medium, and electronic device |
| CN112179523A (en) * | 2020-09-27 | 2021-01-05 | 成都电科新锐科技有限公司 | Intelligent continuous automatic temperature measuring method and system |
| CN115359610A (en) * | 2022-07-04 | 2022-11-18 | 珠海派诺科技股份有限公司 | Temperature measurement type electrical fire monitoring method, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013134161A (en) | 2013-07-08 |
| CN103181757B (en) | 2016-04-20 |
| JP5757856B2 (en) | 2015-08-05 |
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