CN103134603A - Mercury-free clinical thermometer and production method thereof - Google Patents
Mercury-free clinical thermometer and production method thereof Download PDFInfo
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- CN103134603A CN103134603A CN2013100558371A CN201310055837A CN103134603A CN 103134603 A CN103134603 A CN 103134603A CN 2013100558371 A CN2013100558371 A CN 2013100558371A CN 201310055837 A CN201310055837 A CN 201310055837A CN 103134603 A CN103134603 A CN 103134603A
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Abstract
The invention provides a mercury-free clinical thermometer which comprises a pipe body and a temperature sensing bubble, a capillary hole is formed inside the pipe body along the axial direction, a hollow cavity is formed inside the temperature sensing bubble, one end of the pipe body is connected with the temperature sensing bubble, the capillary hole is connected with the hollow cavity, a throat bubble is formed in the capillary hole, a stationary point protrusion is arranged in the throat bubble, a flow passage is formed between the inner wall of the throat bubble and the outer wall of the stationary point protrusion, and an open area of the flow passage is smaller than that of the capillary hole. Due to the facts that the throat bubble is arranged in the capillary hole and the stationary point protrusion is formed in the throat bubble, the open area is decreased when temperature sensing liquid passes through the throat bubble and the stationary point protrusion, and accordingly after the temperature sensing liquid passes through the throat bubble, backflow due to self-shrinkage of the temperature sensing liquid does not occur, falling back of a liquid level, in the capillary hole, of the temperature sensing liquid is avoided, and accuracy of measurement reading is ensured. The invention further provides a manufacture method of the mercury-free clinical thermometer, the mercury-free clinical thermometer which is manufactured through the method can effectively ensure accuracy of the measurement reading.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of without mercury clinical thermometer and production method thereof.
Background technology
Clinical thermometer is widely used in clinical medicine and daily life as common medicine equipment.
Clinical thermometer mainly comprises body and bulb,, in axial direction be provided with pore in body, and pore is communicated with the internal cavities of bulb,, the internal cavities of bulb, is perfused with temperature sensing liquid, when measuring body temperature, bulb, is contacted with human body, and temperature sensing liquid enters in pore in bulb, after expanded by heating, then just can measure the body temperature of human body according to the temperature sensing liquid scale of construction that enters in pore.
But existing clinical thermometer, after bulb, and human body disengaging, the temperature of bulb, self can descend, thereby cause the temperature sensing liquid in bulb, to meet cold contraction, make the temperature sensing liquid in pore be back in bulb,, cause the liquid level of temperature sensing liquid in pore to fall after rise, and then cause the inaccurate of survey measurements.
Summary of the invention
The object of the present invention is to provide a kind ofly without the mercury clinical thermometer, it can effectively guarantee the accuracy of survey measurements.
The object of the present invention is to provide a kind ofly without mercury clinical thermometer production method, what it was made can effectively guarantee the accuracy of survey measurements without the mercury clinical thermometer.
The invention provides a kind ofly without the mercury clinical thermometer, comprise body and bulb,, the inside of described body in axial direction is formed with pore, and the inside of described bulb, is formed with cavity;
One end of described body is connected with described bulb,, and described pore is connected with described cavity;
Also be formed with a larynx bubble on described pore;
Be provided with a stationary point projection in described larynx bubble, and form runner between the outer wall of the inwall of described larynx bubble and described stationary point projection;
The area of passage of described runner is less than the area of passage of described pore;
Be provided with temperature sensing liquid in described bulb, and described pore.
Optionally, described temperature sensing liquid is quaternary eutectic gallium indium tin zinc liquid alloy.
Optionally, described bulb, length in axial direction is 6～14.5mm.
Optionally, the distance between middle part two inwalls radially of described larynx bubble is 0.8～1.1mm; Distance between described larynx bubble two ends in axial direction is 2.5～3.5mm.
It is a kind of without mercury clinical thermometer manufacture method that the present invention also provides, and comprising:
An end that fuses the body materials in the tube forms and tightens up mouth;
Described body materials in the tube are heated and form described larynx bubble on described pore;
With a described end welding of tightening up mouthful with the bulb, materials in the tube;
To described body materials in the tube heating, and form described stationary point projection in described larynx bubble;
Described bulb, materials in the tube are added hot-seal, and make described bulb,, obtain semi-manufacture;
Temperature sensing liquid is poured into to the described pore and described cavity of described semi-manufacture inside;
Described temperature sensing liquid is overflow again, and the described pore in described body materials in the tube is burnt not;
With described body materials in the tube sealing, obtain without the mercury clinical thermometer.
Optionally, described with described body materials in the tube sealing, obtain also comprising without after the mercury clinical thermometer:
To described without the mercury clinical thermometer fix a point, branch, printing.
Optionally, described to described body materials in the tube heating, and the described stationary point of formation projection comprises in described larynx bubble:
Described body materials in the tube are positioned at described larynx bubble place heat and make it softening, simultaneously described larynx bubble is vacuumized, and vacuum tightness is more than or equal to 10
-2Holder;
Until the inner wall deformation of described larynx bubble forms described stationary point projection.
Optionally, described temperature sensing liquid perfusion is comprised to the described pore of described semi-manufacture inside and described cavity:
First described semi-manufacture are placed upside down in a container, and described container and described semi-manufacture together are placed in the vacuum tank platform and vacuumize, and vacuum tightness is more than or equal to 10
-4Holder;
Described container and described semi-manufacture together are heated to 400～430 ℃, and keep the temperature at least two hours of 400～430 ℃;
Then described container and described semi-manufacture together are cooled to 90～110 ℃;
When described container and described semi-manufacture are cooled to below 110 ℃, described temperature sensing liquid slowly is injected in described container;
Then inject pure nitrogen gas in described vacuum tank platform, and keep the pressure in described vacuum tank platform to hold in the palm at least six hours more than or equal to 2280.
Optionally, described described temperature sensing liquid is overflow again, and the described pore in described body materials in the tube is burnt does not comprise:
First will pour into the Water Tank with Temp.-controlled that described semi-manufacture after described temperature sensing liquid are placed in 42.5～44.5 ℃ and soak, described temperature sensing liquid will be overflow again;
Then described body materials in the tube are burnt described pore not away from an end heating of described bulb.
Optionally, described with described body materials in the tube sealing, obtain comprising without the mercury clinical thermometer:
Make and complete described pore and burn temperature sensing liquid in described semi-manufacture not and fall after rise in described cavity to the described bulb;
Then the Water Tank with Temp.-controlled that described semi-manufacture is placed in 42～42.5 ℃ soaks;
Again the end of described body materials in the tube away from described bulb, heated and with described body materials in the tube sealing, obtain without the mercury clinical thermometer.
Compared with prior art, provided by the invention without the mercury clinical thermometer, it is by arranging the larynx bubble and form the stationary point projection in the larynx bubble in pore, make temperature sensing liquid area of passage through larynx bubble and stationary point projection the time reduce, thereby make temperature sensing liquid can not reflux because of the contraction of temperature sensing liquid self after through the larynx bubble, avoid the liquid level of temperature sensing liquid in pore to fall after rise, thereby guaranteed the accuracy of survey measurements.
Simultaneously, then it arrange the stationary point projection by a larynx bubble first is set in the larynx bubble in pore, utilizes the area of passage of the runner change pore of the outer wall of stationary point projection and the inwall formation that larynx steeps, and it is convenient to manufacture more.
In further technical scheme, the temperature sensing liquid that arranges in bulb, and pore is quaternary eutectic gallium indium tin zinc liquid alloy, and it has replaced traditional mercury as temperature sensing liquid, and it is safer, simultaneously also more traditional mercury column clinical thermometer environmental protection more.
In further technical scheme, bulb, length in axial direction is 6～14.5mm, for the bulb, of corresponding length is set without the different using method of mercury clinical thermometer, thereby more is convenient to the use without the mercury clinical thermometer.
In further technical scheme, distance between middle part two inwalls radially of larynx bubble is 0.8～1.1mm, distance between larynx bubble two ends in axial direction is 2.5～3.5mm, make the inside of larynx bubble have certain space, thereby be convenient to the processing of larynx bubble and the processing of the stationary point projection in the larynx bubble.
Compared with prior art, provided by the invention without mercury clinical thermometer manufacture method, utilize that the method makes without the mercury clinical thermometer, by the larynx bubble being set in pore and forming the stationary point projection in the larynx bubble, make temperature sensing liquid area of passage through larynx bubble and stationary point projection the time reduce, thereby make temperature sensing liquid can not reflux because of the contraction of temperature sensing liquid self after through the larynx bubble, avoided the liquid level of temperature sensing liquid in pore to fall after rise, thereby guarantee the accuracy of survey measurements.
Simultaneously, then it arrange the stationary point projection by a larynx bubble first is set in the larynx bubble in pore, utilizes the area of passage of the runner change pore of the outer wall of stationary point projection and the inwall formation that larynx steeps, and it is convenient to manufacture more.
Description of drawings
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation without the mercury clinical thermometer that Fig. 1 provides for the embodiment of the present invention one;
The inner structure schematic diagram without the mercury clinical thermometer that Fig. 2 provides for the embodiment of the present invention one;
Fig. 3 is that A-A in Fig. 2 is to cut-open view;
The process flow diagram without mercury clinical thermometer manufacture method that Fig. 4 provides for the embodiment of the present invention two;
Fig. 5～14 for the embodiment of the present invention two provide without the manufacture process demonstration graph in mercury clinical thermometer manufacture method;
The process flow diagram without mercury clinical thermometer manufacture method that Figure 15 provides for the embodiment of the present invention three.
Description of drawings:
The 1-body, the 11-pore, 12-larynx bubble, the 13-stationary point is protruding, the 14-runner;
The 2-bulb,, the 21-cavity;
3-scale coating;
4-body materials in the tube, 41-tightens up mouth;
5-bulb, materials in the tube.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer; the below will carry out clear, complete description to technical scheme of the present invention; based on the embodiment in the present invention; those of ordinary skills are resulting all other embodiments under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
Embodiment one:
As shown in Figure 1 to Figure 3, provide in the present embodiment without the mercury clinical thermometer, comprise body 1 and bulb, 2, the inside of body 1 in axial direction is formed with pore 11, the inside of bulb, 2 is formed with cavity 21; One end of body 1 is connected with bulb, 2, and pore 11 is connected with cavity 21; Also be formed with a larynx bubble 12 on pore 11; Be provided with a stationary point projection 13 in larynx bubble 12, and form runner 14 between the outer wall of the inwall of larynx bubble 12 and stationary point projection 13; The area of passage of runner 14 is less than the area of passage of pore 11; Be provided with temperature sensing liquid in bulb, 2 and pore 11.
During use:
Utilize bulb, 2 to contact with human body, thereby make temperature sensing liquids in the cavity 21 rear sounding that is heated expand, can be entered in pore 11 by cavity 21 after temperature sensing liquid expands, when entering pore 11, temperature sensing liquid know from experience by larynx steep 12 and stationary point projection 13 between the runner 14 of formation; After measuring the temperature end, bulb, 2 disengages with human body, temperature sensing liquid in cavity 21 no longer is heated, and the temperature sensing liquid when leaving human body in cavity 21 is known from experience the contraction of catching a cold, this moment, the temperature sensing liquid cognition between bulb, 2 and larynx bubble 12 shrank back in cavity 21, and the temperature sensing liquid that is positioned at larynx bubble 12 opposite sides can not reflux by sounding due to the obstruction of runner 14, therefore make temperature sensing liquid in the 12 places disconnection of larynx bubble, thereby effectively avoided the liquid level of temperature sensing liquid in pore 11 to fall after rise, thereby guaranteed the accuracy of survey measurements; When only need after reading whipping just temperature sensing liquid fall after rise to cavity 21.
It is by arranging larynx bubble 12 and in larynx bubble 12 interior formation stationary point projections 13 pore 11 is interior, make temperature sensing liquid reduce through larynx bubble 12 and stationary point 13 o'clock area of passages of projection, thereby make temperature sensing liquid can not reflux because of the contraction of temperature sensing liquid self after through larynx bubble 12, avoid the liquid level of temperature sensing liquid in pore 11 to fall after rise, thereby guaranteed the accuracy of survey measurements.
Simultaneously, it is by at the interior larynx bubble 12 that first arranges of pore 11, and then in the larynx bubble 12 interior stationary point projections 13 that arrange, the runner 14 that the outer wall that utilizes stationary point projection 13 and the inwall of larynx bubble 12 form changes the area of passage of pores 11, and it is convenient to the manufacturing more.
In the present embodiment, preferably, as shown in Figure 3, the two ends of stationary point projection 13 can radially be extended and be affixed with the inwall of larynx bubble 12 respectively, and form two runners 14 between larynx bubble 12 and stationary point projection 13, and the area of passage sum of two runners 14 is less than the area of passage of pore 11; Further preferred, stationary point projection 13 can be steeped 12 inner wall deformation by larynx and directly be formed, and namely stationary point projection 13 is structure as a whole with the inwall of larynx bubble 12.
In the present embodiment, its major advantage is that also temperature sensing liquid does not adopt mercury, because mercury is a kind of extremely toxic substance; Its temperature sensing liquid is quaternary eutectic gallium indium tin zinc liquid alloy.
In the present embodiment, for the ease of on without the mercury clinical thermometer, reading device being set, scale coating 3 can be set on the outer wall of body 1.
In the present embodiment, due to without the mercury clinical thermometer for different use-patterns, therefore need bulb, 2 is set to different length, can be 6～14.5mm with bulb, 2 length setting in axial direction for this reason.
Concrete, what the oral cavity was used can be with the length setting of bulb, 2 at 13～14.5mm without the mercury clinical thermometer.
What anus was used can be with the length setting of bulb, 2 at 8.5～9.5mm without the mercury clinical thermometer.
What animal was used can be with the length setting of bulb, 2 at 6～7mm without the mercury clinical thermometer.
In the present embodiment, for the ease of be processed to form stationary point projection 13 in larynx bubble 12, need to guarantee to have certain space in larynx bubble 12, the distance between middle part two inwalls radially of larynx bubble 12 is 0.8～1.1mm for this reason; Distance between larynx bubble 12 two ends in axial direction is 2.5～3.5mm.
In the present embodiment, in order to make without the mercury clinical thermometer when the take temperature, temperature sensing liquid can be through the interior stationary point projection 13 of larynx bubble 12 and larynx bubble 12, thereby realize that temperature sensing liquid can not reflux because of the contraction of temperature sensing liquid self after through larynx bubble 12, need the setting position of larynx bubble 12 is made certain restriction for this reason; Preferably, larynx bubble 12 is 10～12mm near the distance between an end of bulb,s 2 and body 1 and bulb, 2 joints; Thereby can guarantee effectively that temperature sensing liquid can steep 12 by larynx when using without the mercury clinical thermometer.
In the present embodiment, due to without the mercury clinical thermometer for different use-patterns, therefore need body 1 is set to different length, can be 105～115mm with body 1 length setting in axial direction for this reason.
What wherein, the oral cavity was used can with the length setting of body 1 at 110～115mm, be preferably 115mm without the mercury clinical thermometer.
What anus was used can with the length setting of body 1 at 105～110mm, be preferably 110mm without the mercury clinical thermometer.
In the present embodiment, body 1 cross section radially can be any in circle or triangle or polygon.
Embodiment two:
As shown in Figure 4, provide in the present embodiment without mercury clinical thermometer manufacture method, specifically can comprise the following steps:
It is by arranging the larynx bubble and form the stationary point projection in the larynx bubble in pore, make temperature sensing liquid area of passage through larynx bubble and stationary point projection the time reduce, thereby make temperature sensing liquid can not reflux because of the contraction of temperature sensing liquid self after through the larynx bubble, avoid the liquid level of temperature sensing liquid in pore to fall after rise, thereby guaranteed the accuracy of survey measurements.
Simultaneously, then it arrange the stationary point projection by a larynx bubble first is set in the larynx bubble in pore, utilizes the area of passage of the runner 14 change pores of the outer wall of stationary point projection and the inwall formation that larynx steeps, and it is convenient to manufacture more.
In the present embodiment, the specific implementation process of above-mentioned steps 101 can be: utilize coal gas or liquefied gas lights that one end of body materials in the tube 4 is heated, and make it softening formation and tighten up mouthfuls 41.
In the present embodiment, the specific implementation process of above-mentioned steps 102 can be: utilize coal gas or liquefied gas lights that body materials in the tube 4 are heated, and guarantee heating location apart from tightening up mouthful a 4110～12mm, make pore 11 expanded by heating and form larynx bubble 12.
Need to prove, its sequencing of above-mentioned steps 101 and step 102 can be put upside down, and also can carry out simultaneously, and the concrete structure after its processing can be with reference to shown in Figure 5.
Further preferred, in order to enhance productivity, the specific implementation process of above-mentioned steps 101 and step 102 also can be: first choosing length is the body materials in the tube 4 of 250～260mm, then utilize coal gas or liquefied gas lights that the central part of body materials in the tube 4 is heated, when body materials in the tube 4 are softening, inwardly be blown into gas by pore 11, make the middle part of body materials in the tube 4 form a vesicle; Then with coal gas or liquefied gas lights, body materials in the tube 4 are heated respectively at 10～12mm place, two ends at vesicle center, make pore 11 expanded by heating and form larynx bubble 12; Utilize at last toothless saw along the centre of vesicle, body materials in the tube 4 to be cut into two parts, and make vesicle after cutting become to tighten up mouthfuls 41.Its process that adds body of tool can be referring to figs 12 to shown in Figure 14.
In the present embodiment, the specific implementation process of above-mentioned steps 103 can be: utilize coal gas or liquefied gas lights that mouthful 41 places of tightening up on body materials in the tube 4 are heated, and an end of bulb, materials in the tube 5 is heated, make both softening after welding be structure as a whole, the concrete structure after its processing can be with reference to shown in Figure 6.
In the present embodiment, the specific implementation process of above-mentioned steps 104 can be: body materials in the tube 4 are positioned at larynx bubble 12 places heat and make it softening, simultaneously larynx bubble 12 is vacuumized, and vacuum tightness is more than or equal to 10
-2Holder; Until the inner wall deformation of larynx bubble 12 caves inward and forms stationary point projection 13, the concrete structure after its processing can be with reference to shown in Figure 7.
Wherein preferred, make the inner wall deformation of larynx bubble 12, and radially extend, finally make the two ends of the stationary point projection 13 of formation radially be connected with the inwall of larynx bubble 12.
Wherein, be an end near bulb, materials in the tube 5 to the heating place preferred position of larynx bubble 12, and steep 12 in axial direction 1/3rd places of length for larynx.
In the present embodiment, the specific implementation process of above-mentioned steps 105 can be: utilize coal gas or liquefied gas lights that one end of bulb, materials in the tube 5 is heated, bulb, materials in the tube 5 are sealed, and form bulb, 2, obtain semi-manufacture, the concrete structure after its processing can be with reference to shown in Figure 8.。
Need to prove, the length of bulb, 2 should be within 6～14.5mm, and its concrete length is decided according to concrete the use; What for example, the oral cavity was used can be with the length setting of bulb, 2 at 13～14.5mm without the mercury clinical thermometer; What anus was used can be with the length setting of bulb, 2 at 8.5～9.5mm without the mercury clinical thermometer; What animal was used can be with the length setting of bulb, 2 at 6～7mm without the mercury clinical thermometer.
In the present embodiment, the specific implementation process of above-mentioned steps 106 can be: first semi-manufacture are placed upside down in a container, and container and semi-manufacture together are placed in the vacuum tank platform and vacuumize, and vacuum tightness is more than or equal to 10
-4Holder; Then container and semi-manufacture together are heated to 400～430 ℃, and keep the temperature at least two hours of 400～430 ℃; Again container and semi-manufacture together are cooled to 90～110 ℃, when container and semi-manufacture are cooled to below 110 ℃, slowly are injected into temperature sensing liquid in container simultaneously; Inject pure nitrogen gas in the most backward vacuum tank platform, and keep the pressure in the vacuum tank platform to hold in the palm at least six hours more than or equal to 2280.
Wherein, first utilize vacuum environment in the vacuum tank platform and the high temperature of 400～430 ℃,, realized half-finished cleaning removals such as the pore 11 of semi-manufacture inside and the interior residual steam of bulb, 2, impurity through at least two hours.
Wherein, container and semi-manufacture are cooled to 90～110 ℃, and begin slowly to inject temperature sensing liquid when being cooled to below 110 ℃ in container, can guarantee the good mobility of temperature sensing liquid (being liquid alloy).
Wherein, inject pure nitrogen gas in the vacuum tank platform, and keep the pressure in the vacuum tank platform to hold in the palm at least six hours (it should be noted that: 2280 holders are three standard atmospheric pressures) more than or equal to 2280, utilize pressure that temperature sensing liquid is pushed in semi-manufacture, guarantee that temperature sensing liquid pours in semi-manufacture interior cavity 21 and pore 11 fully, utilizes nitrogen also can effectively avoid temperature sensing liquid (being liquid metal) that oxidation occurs simultaneously.
Wherein, container is preferably stainless steel disc, and a spillway can be set on stainless steel disc, and the unnecessary temperature sensing liquid that injects is overflowed and reclaims.
Concrete structure after its processing can be with reference to shown in Figure 9.
In the present embodiment, the specific implementation process of above-mentioned steps 107 can be: first will pour into the Water Tank with Temp.-controlled that semi-manufacture after temperature sensing liquid are placed in 42.5～44.5 ℃ and soak, temperature sensing liquid is overflow again; Then body materials in the tube 4 are burnt pore 11 not away from an end heating of bulb, 2.
Due to the semi-manufacture after the perfusion temperature sensing liquid, the interior temperature sensing liquid that all has been full of of its inner cavity 21 and pore 11, therefore will pour into the Water Tank with Temp.-controlled that semi-manufacture after temperature sensing liquid are placed in 42.5～44.5 ℃ soaks, make cavity 21 and the interior temperature sensing liquid expanded by heating of pore 11 in the bulb, 2 in semi-manufacture, unnecessary temperature sensing liquid is overflowed by the unsealed end of body materials in the tube 4, thereby assurance can be interior mobile at pore 11 and cavity 21 after staying the interior temperature sensing liquid expanded by heating of semi-manufacture; Then utilize coal gas or liquefied gas lights that body materials in the tube 4 are shut pore 11 away from an end heating of bulb, 2, realize burning not; Concrete structure after its processing can be with reference to shown in Figure 10.
In the present embodiment, the specific implementation process of above-mentioned steps 108 can be: utilize hydro-extractor to make to complete pore 11 to burn temperature sensing liquid in semi-manufacture not and fall after rise in cavity 21 to the bulb, 2; Then the Water Tank with Temp.-controlled that semi-manufacture is placed in 42～42.5 ℃ soaks; Again the end of body materials in the tube 4 away from bulb, 2 heated and with 4 sealings of body materials in the tube, obtain without the mercury clinical thermometer.
Wherein, first utilize hydro-extractor to make the temperature sensing liquid in semi-manufacture all be back in the interior cavity 21 of bulb, 2, and then semi-manufacture are placed in the Water Tank with Temp.-controlled of 42～42.5 ℃, make the temperature sensing liquid expanded by heating again enter by entering in pore in cavity 21, thereby the gas in pore 11 and cavity 21 is pushed to the unsealed end of body materials in the tube 4, and then body materials in the tube 4 are sealed; Avoided effectively that cavity 21 in pore 11 and bulb, 2 is residual gas, what guaranteed to make does not have gas without not mixing in the temperature sensing liquid in the mercury clinical thermometer, thereby has guaranteed without the normal use of mercury clinical thermometer and the precision of measuring temperature; Concrete structure after its processing can be with reference to shown in Figure 11.
Embodiment three:
As shown in figure 15, provide in the present embodiment without mercury clinical thermometer manufacture method, specifically can comprise the following steps:
In the present embodiment, above-mentioned steps 201 to the specific implementation process of step 208 can with above-described embodiment two in step 101 identical or similar to step 108, do not repeat them here.
In the present embodiment, the specific implementation process of above-mentioned steps 209 can be: that will make puts into without the mercury clinical thermometer temperature sensing liquid that makes in hydro-extractor without the mercury clinical thermometer and falls cavity to bulb, after rise; Then will be placed on temperature without the mercury clinical thermometer is in the Water Tank with Temp.-controlled of 37 ℃, make temperature sensing liquid reenter in pore, then utilize the marking pen setting-out to identify, and then will to be placed on temperature without the mercury clinical thermometer be in 41 ℃ of Water Tanks with Temp.-controlled, make the liquid level of temperature sensing liquid in pore raise, and then utilize the marking pen setting-out to identify; Measure the distance between the sign of sign to 41 ℃ correspondence of 37 ℃ of correspondences, then carry out the branch decile, and on without the outer wall of the body of mercury clinical thermometer printing high scale line, numeral and product brand etc.; And obtain final without mercury clinical thermometer finished product after utilizing the infiltration printing technology to process.
It should be noted that at last: above embodiment and embodiment only in order to technical scheme of the present invention to be described, are not intended to limit; Although with reference to aforementioned embodiments and embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned embodiments or embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence disengaging embodiment of the present invention of appropriate technical solution or the spirit and scope of embodiment technical scheme.
Claims (10)
1. one kind without the mercury clinical thermometer, it is characterized in that, comprise body and bulb,, the inside of described body in axial direction is formed with pore, and the inside of described bulb, is formed with cavity;
One end of described body is connected with described bulb,, and described pore is connected with described cavity;
Also be formed with a larynx bubble on described pore;
Be provided with a stationary point projection in described larynx bubble, and form runner between the outer wall of the inwall of described larynx bubble and described stationary point projection;
The area of passage of described runner is less than the area of passage of described pore;
Be provided with temperature sensing liquid in described bulb, and described pore.
2. according to claim 1ly it is characterized in that without the mercury clinical thermometer, described temperature sensing liquid is quaternary eutectic gallium indium tin zinc liquid alloy.
3. according to claim 1 and 2ly it is characterized in that without the mercury clinical thermometer, described bulb, length in axial direction is 6～14.5mm.
4. according to claim 1 and 2ly it is characterized in that without the mercury clinical thermometer, the distance between middle part two inwalls radially of described larynx bubble is 0.8～1.1mm; Distance between described larynx bubble two ends in axial direction is 2.5～3.5mm.
5. one kind without mercury clinical thermometer manufacture method, it is characterized in that without the mercury clinical thermometer for the manufacture of the claims 1 are described, comprising:
An end that fuses the body materials in the tube forms and tightens up mouth;
Described body materials in the tube are heated and form described larynx bubble on described pore;
With a described end welding of tightening up mouthful with the bulb, materials in the tube;
To described body materials in the tube heating, and form described stationary point projection in described larynx bubble;
Described bulb, materials in the tube are added hot-seal, and make described bulb,, obtain semi-manufacture;
Temperature sensing liquid is poured into to the described pore and described cavity of described semi-manufacture inside;
Described temperature sensing liquid is overflow again, and the described pore in described body materials in the tube is burnt not;
With described body materials in the tube sealing, obtain without the mercury clinical thermometer.
6. according to claim 5ly it is characterized in that without mercury clinical thermometer manufacture method, described with described body materials in the tube sealing, obtain also comprising without after the mercury clinical thermometer:
To described without the mercury clinical thermometer fix a point, branch, printing.
7. according to claim 5ly it is characterized in that without mercury clinical thermometer manufacture method, described to described body materials in the tube heating, and the described stationary point of formation projection comprises in described larynx bubble:
Described body materials in the tube are positioned at described larynx bubble place heat and make it softening, simultaneously described larynx bubble is vacuumized, and vacuum tightness is more than or equal to 10
-2Holder;
Until the inner wall deformation of described larynx bubble forms described stationary point projection.
8. according to claim 5ly it is characterized in that without mercury clinical thermometer manufacture method, described the temperature sensing liquid perfusion comprised to the described pore of described semi-manufacture inside and described cavity:
First described semi-manufacture are placed upside down in a container, and described container and described semi-manufacture together are placed in the vacuum tank platform and vacuumize, and vacuum tightness is more than or equal to 10
-4Holder;
Described container and described semi-manufacture together are heated to 400～430 ℃, and keep the temperature at least two hours of 400～430 ℃;
Then described container and described semi-manufacture together are cooled to 90～110 ℃;
When described container and described semi-manufacture are cooled to below 110 ℃, described temperature sensing liquid slowly is injected in described container;
Then inject pure nitrogen gas in described vacuum tank platform, and keep the pressure in described vacuum tank platform to hold in the palm at least six hours more than or equal to 2280.
9. according to claim 5ly it is characterized in that without mercury clinical thermometer manufacture method, described described temperature sensing liquid overflow again, and the described pore in described body materials in the tube is burnt do not comprise:
First will pour into the Water Tank with Temp.-controlled that described semi-manufacture after described temperature sensing liquid are placed in 42.5～44.5 ℃ and soak, described temperature sensing liquid will be overflow again;
Then described body materials in the tube are burnt described pore not away from an end heating of described bulb.
10. according to claim 5ly it is characterized in that without mercury clinical thermometer manufacture method, described with described body materials in the tube sealing, obtain comprising without the mercury clinical thermometer:
Make and complete described pore and burn temperature sensing liquid in described semi-manufacture not and fall after rise in described cavity to the described bulb;
Then the Water Tank with Temp.-controlled that described semi-manufacture is placed in 42～42.5 ℃ soaks;
Again the end of described body materials in the tube away from described bulb, heated and with described body materials in the tube sealing, obtain without the mercury clinical thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055837.1A CN103134603B (en) | 2013-02-21 | 2013-02-21 | Mercury-free clinical thermometer and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055837.1A CN103134603B (en) | 2013-02-21 | 2013-02-21 | Mercury-free clinical thermometer and production method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103134603A true CN103134603A (en) | 2013-06-05 |
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Cited By (6)
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| CN102721481A (en) * | 2012-06-21 | 2012-10-10 | 徐学海 | Temperature-sensing liquid and preparation method thereof as well as thermometer |
| CN104180916A (en) * | 2014-08-20 | 2014-12-03 | 嘉兴福宁医疗器械有限公司 | Mercury-free glass thermometer and production method thereof |
| CN105167493A (en) * | 2015-07-22 | 2015-12-23 | 中山火炬职业技术学院 | Dual-sleeve cup with color varying with temperature |
| CN109596237A (en) * | 2018-12-18 | 2019-04-09 | 东阿阿华医疗科技有限公司 | A kind of production method that gallium indium tin clinical thermometer overflows again |
| CN110907048A (en) * | 2019-12-10 | 2020-03-24 | 安徽方达药械股份有限公司 | Preparation method of mercury-free thermometer |
| CN112161716A (en) * | 2020-11-04 | 2021-01-01 | 江苏辰宇医疗器械有限公司 | Mercury-free thermometer for livestock and use method thereof |
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| CN109596237A (en) * | 2018-12-18 | 2019-04-09 | 东阿阿华医疗科技有限公司 | A kind of production method that gallium indium tin clinical thermometer overflows again |
| CN110907048A (en) * | 2019-12-10 | 2020-03-24 | 安徽方达药械股份有限公司 | Preparation method of mercury-free thermometer |
| CN112161716A (en) * | 2020-11-04 | 2021-01-01 | 江苏辰宇医疗器械有限公司 | Mercury-free thermometer for livestock and use method thereof |
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| CN103134603B (en) | 2015-06-24 |
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