CN103134603B - Mercury-free clinical thermometer and production method thereof - Google Patents
Mercury-free clinical thermometer and production method thereof Download PDFInfo
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- CN103134603B CN103134603B CN201310055837.1A CN201310055837A CN103134603B CN 103134603 B CN103134603 B CN 103134603B CN 201310055837 A CN201310055837 A CN 201310055837A CN 103134603 B CN103134603 B CN 103134603B
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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, particularly relate to a kind of without mercury clinical thermometer and production method thereof.
Background technology
Clinical thermometer, as common medicine equipment, is widely used in clinical medicine and daily life.
Clinical thermometer mainly comprises body and bulb, in axial direction pore is provided with 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, by bulb, and human contact, temperature sensing liquid enters in pore after expanded by heating in bulb, then just can measure the body temperature of human body according to the temperature sensing liquid scale of construction entered in pore.
But existing clinical thermometer, after bulb, and human body depart from, the temperature of bulb, self can decline, thus cause the temperature sensing liquid in bulb, to meet cold events, the temperature sensing liquid in pore is made to 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 of without mercury clinical thermometer, it effectively can ensure the accuracy of survey measurements.
The object of the present invention is to provide a kind of without mercury clinical thermometer production method, its accuracy that effectively can ensure survey measurements without mercury clinical thermometer made.
The invention provides a kind of without mercury clinical thermometer, comprise body and bulb, the inside of described body is in axial direction 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;
Described pore is also formed with a larynx bubble;
Be provided with a stationary point in described larynx bubble protruding, and form runner between the inwall of described larynx bubble and the outer wall of described stationary point projection;
The area of passage of described runner is less than the area of passage of described pore;
Temperature sensing liquid is provided with in described bulb, and described pore.
Optionally, described temperature sensing liquid is quaternary eutectic gallium indium tin zinc liquid alloy.
Optionally, described bulb, length is in axial direction 6 ~ 14.5mm.
Optionally, the distance between two inwalls radially of the middle part of described larynx bubble is 0.8 ~ 1.1mm; Distance between described larynx bubble two ends is in axial direction 2.5 ~ 3.5mm.
The present invention also provides a kind of without mercury clinical thermometer manufacture method, comprising:
The one end fusing body materials in the tube is formed tightens up mouth;
Described body materials in the tube are heated and on described pore, forms described larynx bubble;
By described one end welding of tightening up mouth and bulb, materials in the tube;
To described body materials in the tube heating, and in described larynx bubble, form described stationary point protruding;
Hot-seal is added to described bulb, materials in the tube, and makes described bulb, obtain semi-manufacture;
By in temperature sensing liquid perfusion to the described pore and described cavity of described semi-manufacture inside;
Described temperature sensing liquid is overflow again, and burns not to the described pore in described body materials in the tube;
By described body materials in the tube sealing, obtain without mercury clinical thermometer.
Optionally, described by described body materials in the tube sealing, obtain, without after mercury clinical thermometer, also comprising:
To describedly fixing a point without mercury clinical thermometer, branch, printing.
Optionally, described to described body materials in the tube heating, and formation described stationary point projection comprises in described larynx bubble:
Be positioned at described larynx bubble place to described body materials in the tube heat and make it softening, described larynx bubble is vacuumized, and vacuum tightness be more than or equal to 10 simultaneously
-2holder;
Until the inner wall deformation of described larynx bubble forms described stationary point projection.
Optionally, described perfusion by temperature sensing liquid comprises to the described pore and described cavity of described semi-manufacture inside:
First described semi-manufacture are placed upside down in a container, and described container and described semi-manufacture are together placed in vacuum tank platform and vacuumize, and vacuum tightness is more than or equal to 10
-4holder;
Described container and described semi-manufacture are together heated to 400 ~ 430 DEG C, and keep the temperature at least two hours of 400 ~ 430 DEG C;
Then described container and described semi-manufacture are together cooled to 90 ~ 110 DEG C;
When described container and described semi-manufacture are cooled to below 110 DEG C, described temperature sensing liquid is slowly injected in described container;
Then in described vacuum tank platform, inject pure nitrogen gas, and keep the pressure in described vacuum tank platform to be more than or equal to 2280 holder at least six hours.
Optionally, described described temperature sensing liquid to be overflow again, and the described pore in described body materials in the tube is burnt does not comprise:
The Water Tank with Temp.-controlled first described semi-manufacture after the described temperature sensing liquid of perfusion being placed in 42.5 ~ 44.5 DEG C soaks, and overflows again to described temperature sensing liquid;
Then described pore is burnt not by the heating one end of described body materials in the tube away from described bulb.
Optionally, described by described body materials in the tube sealing, obtain comprising without mercury clinical thermometer:
Making to complete the described pore temperature sensing liquid burnt in described semi-manufacture not falls after rise in the described cavity to described bulb;
Then the Water Tank with Temp.-controlled described semi-manufacture being placed in 42 ~ 42.5 DEG C soaks;
Again described body materials in the tube, to be obtained the sealing of described body materials in the tube without mercury clinical thermometer away from the heating one end of described bulb.
Compared with prior art, provided by the invention without mercury clinical thermometer, it is protruding by arranging larynx bubble and form stationary point in pore in larynx bubble, temperature sensing liquid area of passage when through larynx bubble and stationary point projection is reduced, thus temperature sensing liquid can not refluxed because of the contraction of temperature sensing liquid self after larynx bubble, avoid the liquid level of temperature sensing liquid in pore to fall after rise, thus ensure the accuracy of survey measurements.
Meanwhile, it by first arranging a larynx bubble in pore, and then in larynx bubble, arrange stationary point projection, the runner that the inwall utilizing the outer wall of stationary point projection and larynx to steep is formed changes the area of passage of pore, and it is convenient to manufacture more.
In further technical scheme, the temperature sensing liquid arranged in bulb, and pore is quaternary eutectic gallium indium tin zinc liquid alloy, and it instead of 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 is in axial direction 6 ~ 14.5mm, arranges the bulb, of corresponding length for the using method different without mercury clinical thermometer, thus is more convenient to the use without mercury clinical thermometer.
In further technical scheme, distance between two inwalls radially of the middle part that larynx steeps is 0.8 ~ 1.1mm, distance between larynx bubble two ends is in axial direction 2.5 ~ 3.5mm, the inside that larynx is steeped has certain space, thus is convenient to the processing of stationary point projection in the processing of larynx bubble and larynx bubble.
Compared with prior art, provided by the invention without mercury clinical thermometer manufacture method, utilize the method to make without mercury clinical thermometer, protruding by arranging larynx bubble and form stationary point in pore in larynx bubble, temperature sensing liquid area of passage when through larynx bubble and stationary point projection is reduced, thus temperature sensing liquid can not refluxed because of the contraction of temperature sensing liquid self after larynx bubble, avoid the liquid level of temperature sensing liquid in pore and fall after rise, thus ensure the accuracy of survey measurements.
Meanwhile, it by first arranging a larynx bubble in pore, and then in larynx bubble, arrange stationary point projection, the runner that the inwall utilizing the outer wall of stationary point projection and larynx to steep is formed changes the area of passage of pore, and it is convenient to manufacture more.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation without mercury clinical thermometer that Fig. 1 provides for the embodiment of the present invention one;
The inner structure schematic diagram without 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.
Accompanying drawing illustrates:
1-body, 11-pore, 12-larynx steeps, and 13-stationary point is protruding, 14-runner;
2-bulb, 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 object, technical solutions and advantages of the present invention clearly; clear, complete description is carried out below by technical scheme of the present invention; based on the embodiment in the present invention; other embodiments all that those of ordinary skill in the art obtain under the prerequisite 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 mercury clinical thermometer, comprise body 1 and bulb, 2, the inside of body 1 is in axial direction formed with pore 11, and 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; Pore 11 is also formed with a larynx bubble 12; Be provided with a stationary point projection 13 in larynx bubble 12, and form runner 14 between the inwall of larynx bubble 12 and the outer wall of stationary point projection 13; The area of passage of runner 14 is less than the area of passage of pore 11; Temperature sensing liquid is provided with in bulb, 2 and pore 11.
During use:
Utilize bulb, 2 and human contact, thus sounding expands after making the temperature sensing liquid in cavity 21 be heated, can enter in pore 11 by cavity 21 after temperature sensing liquid expands, when entering pore 11, temperature sensing liquid knows from experience the runner 14 by being formed between larynx bubble 12 and stationary point projection 13; After measuring tempeature terminates, bulb, 2 and human body disengage, temperature sensing liquid in cavity 21 is no longer heated, and temperature sensing liquid when leaving human body in cavity 21 knows from experience contraction of catching a cold, now know from experience at bulb, 2 and the larynx temperature sensing liquid steeped between 12 and shrink back in cavity 21, and be positioned at temperature sensing liquid that larynx steeps 12 opposite sides due to the obstruction of runner 14 can not sounding backflow, therefore make temperature sensing liquid steep 12 places at larynx to disconnect, thus efficiently avoid the liquid level falling of temperature sensing liquid in pore 11, thus ensure the accuracy of survey measurements; When only need after reading whipping just temperature sensing liquid fall after rise in cavity 21.
It by arranging larynx bubble 12 and form stationary point projection 13 in larynx bubble 12 in pore 11, temperature sensing liquid area of passage when through larynx bubble 12 and stationary point projection 13 is reduced, thus temperature sensing liquid can not refluxed because of the contraction of temperature sensing liquid self after larynx bubble 12, avoid the liquid level of temperature sensing liquid in pore 11 to fall after rise, thus ensure the accuracy of survey measurements.
Meanwhile, it by first arranging a larynx bubble 12 in pore 11, and then in larynx bubble 12, arrange stationary point projection 13, the runner 14 that the inwall utilizing the outer wall of stationary point projection 13 and larynx to steep 12 is formed changes the area of passage of pore 11, and it is convenient to manufacture more.
In the present embodiment; preferably, as shown in Figure 3, the two ends of stationary point projection 13 can radially extend and steep with larynx respectively 12 inwall affixed; 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, the inner wall deformation that stationary point projection 13 can steep 12 by larynx is directly formed, and the inwall that namely stationary point protruding 13 and larynx steep 12 is structure as a whole.
In the present embodiment, its major advantage is also that 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 arranging reading device without on mercury clinical thermometer, scale coating 3 can be set on the outer wall of body 1.
In the present embodiment, due to without mercury clinical thermometer for different use-patterns, therefore need bulb, 2 to be set to different length, can be 6 ~ 14.5mm by bulb, 2 length setting in axial direction for this reason.
Concrete, oral cavity can by the length setting of bulb, 2 at 13 ~ 14.5mm without mercury clinical thermometer.
Anus can by the length setting of bulb, 2 at 8.5 ~ 9.5mm without mercury clinical thermometer.
Animal can by the length setting of bulb, 2 at 6 ~ 7mm without mercury clinical thermometer.
In the present embodiment, for the ease of being processed to form stationary point projection 13 in larynx bubble 12, need ensure to have certain space in larynx bubble 12, the distance for this reason between two inwalls radially of the middle part of larynx bubble 12 is 0.8 ~ 1.1mm; Distance between larynx bubble 12 two ends is in axial direction 2.5 ~ 3.5mm.
In the present embodiment, in order to make without mercury clinical thermometer when take temperature, temperature sensing liquid can steep 12 through larynx and steep stationary point projection 13 in 12 with larynx, thus realize temperature sensing liquid through larynx bubble 12 after can not reflux because of the contraction of temperature sensing liquid self, need for this reason to larynx bubble 12 setting position make certain restriction; Preferably, larynx bubble 12 is 10 ~ 12mm near one end of bulb, 2 and the distance between body 1 and bulb, 2 joint; Thus effectively can ensure that temperature sensing liquid can steep 12 by larynx when using without mercury clinical thermometer.
In the present embodiment, due to without mercury clinical thermometer for different use-patterns, therefore need body 1 to be set to different length, can be 105 ~ 115mm by body 1 length setting in axial direction for this reason.
Wherein, oral cavity can by the length setting of body 1 at 110 ~ 115mm without mercury clinical thermometer, be preferably 115mm.
Anus can by the length setting of body 1 at 105 ~ 110mm without mercury clinical thermometer, be preferably 110mm.
In the present embodiment, body 1 cross section radially can be any one 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:
Step 101, fuse body materials in the tube one end formed tighten up mouth;
Step 102, to body materials in the tube heating and formed on pore larynx bubble;
Step 103, one end welding of mouth and bulb, materials in the tube will be tightened up;
Step 104, to body materials in the tube heating, and larynx bubble in formed stationary point projection;
Step 105, hot-seal is added to bulb, materials in the tube, and make bulb, obtain semi-manufacture;
Step 106, by temperature sensing liquid perfusion to the pore and cavity of semi-manufacture inside;
Step 107, temperature sensing liquid to be overflow again, and burn not to the pore in body materials in the tube;
Step 108, by body materials in the tube seal, obtain without mercury clinical thermometer.
It is protruding by arranging larynx bubble and form stationary point in pore in larynx bubble, temperature sensing liquid area of passage when through larynx bubble and stationary point projection is reduced, thus temperature sensing liquid can not refluxed because of the contraction of temperature sensing liquid self after larynx bubble, avoid the liquid level of temperature sensing liquid in pore to fall after rise, thus ensure the accuracy of survey measurements.
Meanwhile, it by first arranging a larynx bubble in pore, and then in larynx bubble, arrange stationary point projection, the runner 14 that the inwall utilizing the outer wall of stationary point projection and larynx to steep is formed changes the area of passage of pore, 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 one end to body materials in the tube 4 to heat, and makes it softening formation and tighten up mouth 41.
In the present embodiment, the specific implementation process of above-mentioned steps 102 can be: utilize coal gas or liquefied gas lights to heat body materials in the tube 4, and ensures that heating location distance tightens up mouth 4110 ~ 12mm, makes pore 11 expanded by heating and forms larynx bubble 12.
It should be noted that, above-mentioned steps 101 and its sequencing of step 102 can be put upside down, and also can carry out simultaneously, and the concrete structure after its processing can with reference to shown in figure 5.
Preferred further, in order to enhance productivity, the specific implementation process of above-mentioned steps 101 and step 102 also can be: first choose the body materials in the tube 4 that length is 250 ~ 260mm, then coal gas or the central part of liquefied gas lights to body materials in the tube 4 is utilized to heat, when body materials in the tube 4 are softened, 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; Finally utilize toothless saw, along the centre of vesicle, body materials in the tube 4 are cut into two parts, and make the vesicle after cutting become and tighten up mouth 41.Its process adding body of tool can 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 to heat mouth 41 place of tightening up in body materials in the tube 4, and one end of bulb, materials in the tube 5 is heated, after making the two softening, welding is structure as a whole, and the concrete structure after its processing can with reference to shown in figure 6.
In the present embodiment, the specific implementation process of above-mentioned steps 104 can be: be positioned at larynx to body materials in the tube 4 and steep 12 places and heat and make it softening, vacuumized by larynx bubble 12, and vacuum tightness is more than or equal to 10 simultaneously
-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 with reference to shown in figure 7.
Wherein preferred, make larynx steep the inner wall deformation of 12, and radially extend, the inwall finally making the two ends of the stationary point projection 13 formed radially steep 12 with larynx is connected.
Wherein, be the one end near bulb, materials in the tube 5 to the preferred position of heating place of larynx bubble 12, and steep 1/3rd places of 12 length in axial direction for larynx.
In the present embodiment, the specific implementation process of above-mentioned steps 105 can be: utilize coal gas or liquefied gas lights one end to bulb, materials in the tube 5 to heat, bulb, materials in the tube 5 sealed, and form bulb, 2, obtain semi-manufacture, the concrete structure after its processing can with reference to shown in figure 8.。
It should be noted that, the length of bulb, 2 should within 6 ~ 14.5mm, and its concrete length is determined according to concrete use; Such as, oral cavity can by the length setting of bulb, 2 at 13 ~ 14.5mm without mercury clinical thermometer; Anus can by the length setting of bulb, 2 at 8.5 ~ 9.5mm without mercury clinical thermometer; Animal can by the length setting of bulb, 2 at 6 ~ 7mm without mercury clinical thermometer.
In the present embodiment, the specific implementation process of above-mentioned steps 106 can be: be first placed upside down in a container by semi-manufacture, and container and semi-manufacture are together placed in vacuum tank platform and vacuumize, and vacuum tightness is more than or equal to 10
-4holder; Then container and semi-manufacture are together heated to 400 ~ 430 DEG C, and keep the temperature at least two hours of 400 ~ 430 DEG C; Again container and semi-manufacture are together cooled to 90 ~ 110 DEG C, simultaneously when container and semi-manufacture are cooled to below 110 DEG C, temperature sensing liquid are slowly injected in container; Inject pure nitrogen gas in the most backward vacuum tank platform, and keep the pressure in vacuum tank platform to be more than or equal to 2280 holder at least six hours.
Wherein, first utilize the high temperature of vacuum environment in vacuum tank platform and 400 ~ 430 DEG C, through the removal such as steam, impurity that at least two hours will be residual in the pore 11 of semi-manufacture inside and bulb, 2, realize half-finished cleaning.
Wherein, container and semi-manufacture are cooled to 90 ~ 110 DEG C, and start when being cooled to below 110 DEG C slowly to inject temperature sensing liquid in container, the mobility that temperature sensing liquid (i.e. liquid alloy) is good can be ensured.
Wherein, pure nitrogen gas is injected in vacuum tank platform, and keep the pressure in vacuum tank platform to be more than or equal to 2280 holder at least six hours (it should be noted that: 2280 holders are three standard atmospheric pressures), pressure is utilized to be pushed in semi-manufacture by temperature sensing liquid, ensure that temperature sensing liquid pours in cavity 21 in semi-manufacture and pore 11 completely, utilize nitrogen also can effectively avoid temperature sensing liquid (i.e. liquid metal) to be oxidized simultaneously.
Wherein, container is preferably stainless steel disc, and can arrange a spillway on stainless steel disc, and the unnecessary temperature sensing liquid injected is overflowed and reclaimed.
Concrete structure after its processing can with reference to shown in figure 9.
In the present embodiment, the specific implementation process of above-mentioned steps 107 can be: the Water Tank with Temp.-controlled first semi-manufacture after perfusion temperature sensing liquid being placed in 42.5 ~ 44.5 DEG C soaks, and overflows again to temperature sensing liquid; Then pore 11 is burnt not by the heating one end of body materials in the tube 4 away from bulb, 2.
Due to the semi-manufacture after perfusion temperature sensing liquid, all temperature sensing liquid is filled with in the cavity 21 of its inside and pore 11, therefore the Water Tank with Temp.-controlled semi-manufacture after perfusion temperature sensing liquid being placed in 42.5 ~ 44.5 DEG C soaks, make the cavity 21 in the bulb, 2 in semi-manufacture and the temperature sensing liquid expanded by heating in pore 11, unnecessary temperature sensing liquid is overflowed by the unsealed one end of body materials in the tube 4, thus can flow in pore 11 with cavity 21 after ensureing to stay the temperature sensing liquid expanded by heating in semi-manufacture; Then utilize coal gas or liquefied gas lights to be shut by pore 11 heating one end of body materials in the tube 4 away from bulb, 2, realize burning not; Concrete structure after its processing can 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 that the temperature sensing liquid completed in pore 11 burning semi-manufacture is not fallen after rise in the cavity 21 in bulb, 2; Then Water Tank with Temp.-controlled semi-manufacture being placed in 42 ~ 42.5 DEG C soaks; Again body materials in the tube 4 are sealed away from the heating one end of bulb, 2 by body materials in the tube 4, to obtain without mercury clinical thermometer.
Wherein, in the cavity 21 first utilizing hydro-extractor that the temperature sensing liquid in semi-manufacture is all back in bulb, 2, and then semi-manufacture are placed in the Water Tank with Temp.-controlled of 42 ~ 42.5 DEG C, temperature sensing liquid expanded by heating is entered again to be entered in pore by cavity 21, thus the gas in pore 11 and cavity 21 is pushed to the unsealed one end of body materials in the tube 4, and then body materials in the tube 4 are sealed; The cavity 21 that efficiently avoid in pore 11 and bulb, 2 remains gas, and ensure that obtained has gas without mixing in the temperature sensing liquid in mercury clinical thermometer, thus ensure that the precision of normal use without mercury clinical thermometer and measuring tempeature; Concrete structure after its processing can 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:
Step 201, fuse body materials in the tube one end formed tighten up mouth;
Step 202, to body materials in the tube heating and formed on pore larynx bubble;
Step 203, one end welding of mouth and bulb, materials in the tube will be tightened up;
Step 204, to body materials in the tube heating, and larynx bubble in formed stationary point projection;
Step 205, hot-seal is added to bulb, materials in the tube, and make bulb, obtain semi-manufacture;
Step 206, by temperature sensing liquid perfusion to the pore and cavity of semi-manufacture inside;
Step 207, temperature sensing liquid to be overflow again, and burn not to the pore in body materials in the tube;
Step 208, by body materials in the tube seal, obtain without mercury clinical thermometer;
Step 209, to fixing a point without mercury clinical thermometer, branch, printing.
In the present embodiment, the specific implementation process of above-mentioned steps 201 to step 208 can be identical or similar to step 108 with the step 101 in above-described embodiment two, do not repeat them here.
In the present embodiment, the specific implementation process of above-mentioned steps 209 can be: to make the temperature sensing liquid without mercury clinical thermometer fall cavity to bulb, after rise in hydro-extractor putting into without mercury clinical thermometer of making; Then be in the Water Tank with Temp.-controlled of 37 DEG C by being placed on temperature without mercury clinical thermometer, temperature sensing liquid is made to reenter in pore, then marking pen setting-out is utilized to identify, and then will to be placed on temperature without mercury clinical thermometer be in 41 DEG C of Water Tanks with Temp.-controlled, the liquid level of temperature sensing liquid in pore is raised, and then utilizes marking pen setting-out to identify; Measure the distance between 37 DEG C of corresponding mark to 41 DEG C corresponding marks, then carry out branch decile, and on the outer wall of the body without mercury clinical thermometer, print high scale line, numeral and product brand etc.; And obtain final without mercury clinical thermometer finished product after utilizing infiltration printing technology process.
Last it is noted that above embodiment and embodiment are only in order to illustrate technical scheme of the present invention, be not intended to limit; Although reference aforementioned embodiments and embodiment are to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in aforementioned embodiments or embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention or embodiment technical scheme.
Claims (8)
1. without a mercury clinical thermometer, it is characterized in that, comprise body and bulb, the inside of described body is in axial direction 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; The outer wall of described body is arranged scale coating;
Described pore is also formed with a larynx bubble;
Be provided with a stationary point in described larynx bubble protruding, and form runner between the inwall of described larynx bubble and the outer wall of described stationary point projection;
The area of passage of described runner is less than the area of passage of described pore;
Temperature sensing liquid is provided with in described bulb, and described pore;
Wherein, form runner between the inwall of described larynx bubble and the outer wall of described stationary point projection to comprise: the two ends of stationary point projection radially extend and the inwall steeped with larynx is respectively affixed, and form two runners between larynx bubble and stationary point projection, and the area of passage sum of two runners is less than the area of passage of pore;
Distance between two inwalls radially of the middle part that described larynx steeps is 0.8 ~ 1.1mm; Distance between described larynx bubble two ends is in axial direction 2.5 ~ 3.5mm.
2. according to claim 1ly it is characterized in that without 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 mercury clinical thermometer, described bulb, length is in axial direction 6 ~ 14.5mm.
4. without a mercury clinical thermometer manufacture method, for the manufacture of described in the claims 1 without mercury clinical thermometer, it is characterized in that, comprising:
The one end fusing body materials in the tube is formed tightens up mouth;
Described body materials in the tube are heated and on described pore, forms described larynx bubble;
By described one end welding of tightening up mouth and bulb, materials in the tube;
To described body materials in the tube heating, and in described larynx bubble, form described stationary point protruding; Wherein, to described body materials in the tube heating, and formation described stationary point projection comprises in described larynx bubble: be positioned at described larynx bubble place to described body materials in the tube and heat and make it softening, vacuumized by described larynx bubble, and vacuum tightness is more than or equal to 10 simultaneously
-2holder; Until the inner wall deformation of described larynx bubble forms described stationary point projection;
Hot-seal is added to described bulb, materials in the tube, and makes described bulb, obtain semi-manufacture;
By in temperature sensing liquid perfusion to the described pore and described cavity of described semi-manufacture inside;
Described temperature sensing liquid is overflow again, and burns not to the described pore in described body materials in the tube;
By described body materials in the tube sealing, obtain without mercury clinical thermometer.
5. according to claim 4ly to it is characterized in that without mercury clinical thermometer manufacture method, by described body materials in the tube sealing, obtain, without after mercury clinical thermometer, also comprising:
To describedly fixing a point without mercury clinical thermometer, branch, printing.
6. according to claim 4ly to it is characterized in that without mercury clinical thermometer manufacture method, by temperature sensing liquid perfusion to the described pore and described cavity of described semi-manufacture inside, comprising:
First described semi-manufacture are placed upside down in a container, and described container and described semi-manufacture are together placed in vacuum tank platform and vacuumize, and vacuum tightness is more than or equal to 10
-4holder;
Described container and described semi-manufacture are together heated to 400 ~ 430 DEG C, and keep the temperature at least two hours of 400 ~ 430 DEG C;
Described container and described semi-manufacture are together cooled to 90 ~ 110 DEG C;
When described container and described semi-manufacture are cooled to below 110 DEG C, described temperature sensing liquid is slowly injected in described container;
In described vacuum tank platform, inject pure nitrogen gas, and keep the pressure in described vacuum tank platform to be more than or equal to 2280 holder at least six hours.
7. according to claim 4ly to it is characterized in that without mercury clinical thermometer manufacture method, described temperature sensing liquid overflow again, and the described pore in described body materials in the tube is burnt do not comprise:
The Water Tank with Temp.-controlled that described semi-manufacture after the described temperature sensing liquid of perfusion are placed in 42.5 ~ 44.5 DEG C is soaked, described temperature sensing liquid is overflow again;
Described pore is burnt not by the heating one end of described body materials in the tube away from described bulb.
8. according to claim 4ly to it is characterized in that without mercury clinical thermometer manufacture method, by described body materials in the tube sealing, obtain comprising without mercury clinical thermometer:
Making to complete the described pore temperature sensing liquid burnt in described semi-manufacture not falls after rise in the described cavity to described bulb;
The Water Tank with Temp.-controlled that described semi-manufacture are placed in 42 ~ 42.5 DEG C is soaked;
Described body materials in the tube, to be obtained the sealing of described body materials in the tube without mercury clinical thermometer away from the heating one end of described bulb.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102721481B (en) * | 2012-06-21 | 2014-08-20 | 徐学海 | Temperature-sensing liquid and preparation method thereof as well as thermometer |
| CN104180916B (en) * | 2014-08-20 | 2017-10-24 | 嘉兴福宁医疗器械有限公司 | A kind of preparation method of mercury-free glass thermometer |
| 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 |
| CN110907048B (en) * | 2019-12-10 | 2020-11-24 | 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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