CN203519196U - Electronic clinical thermometer - Google Patents
Electronic clinical thermometer Download PDFInfo
- Publication number
- CN203519196U CN203519196U CN201320545644.XU CN201320545644U CN203519196U CN 203519196 U CN203519196 U CN 203519196U CN 201320545644 U CN201320545644 U CN 201320545644U CN 203519196 U CN203519196 U CN 203519196U
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- metal end
- sensitive resistor
- thermo
- electronic thermometer
- wire
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- 239000002184 metal Substances 0.000 claims abstract description 87
- 239000012212 insulator Substances 0.000 claims abstract description 44
- 239000000523 sample Substances 0.000 claims description 28
- 239000003292 glue Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 10
- 239000013256 coordination polymer Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 8
- 210000003128 head Anatomy 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000036760 body temperature Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 210000000436 anus Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses an electronic clinical thermometer and a manufacturing method therefor. The electronic clinical thermometer comprises a main portion, a metal end portion which is a housing provided with an opening end and a closed end and is combined with the main portion, a temperature-sensitive resistor arranged at the closed end of the metal end portion, and an elastic heat insulator disposed inside the housing of the metal end portion, and the temperature-sensitive resistor is in tight contact with the closed end of the metal end portion through the squeezing of the elastic heat insulator. The electronic clinical thermometer is of high temperature transmission efficiency, is simple in structure, and is convenient to produce and assemble. According to the utility model, sensing efficiency of the temperature-sensitive resistor is improved, and the measuring time of the electronic clinical thermometer is reduced.
Description
Technical field
The utility model relates to body temperature fields of measurement, is specifically related to a kind of electronic thermometer.
Background technology
Electronic thermometer is to utilize the principle that the resistance value size of temperature-sensing element changes with variation of ambient temperature to make.The most crucial element of electronic thermometer is exactly the NTC temperature sensor of sense temperature, requires accuracy, stability, the sensitivity of temperature sensor very high.The temperature sensor of tradition body temperature instrumentation amount end is bonded in metal head by heat-conducting glue, can cause like this temperature sensor around and near heat by heat-conducting glue and metal head, to other positions, scatter and disappear in a large number, cause heat to run off, thereby make temperature sensor reach that the thermally equilibrated time is long and thermometric inaccurate, the swift electron clinical thermometer that it forms a complete production network is out not ideal aspect reaction velocity, stability.
Utility model content
A kind of electronic thermometer that the utility model provides, its temperature transfer efficiency is higher, has improved the sensing efficiency of thermo-sensitive resistor, has reduced the Measuring Time of electronic thermometer, simple in structure, is convenient to production and assembly.
For reaching above object, the utility model provides a kind of electronic thermometer, comprising:
One main part;
One metal end, described metal end is have the housing of an openend and a blind end and be bonded to described main part;
One thermo-sensitive resistor, is arranged at the blind end of described metal end;
One elasticity insulator, is filled in the housing of described metal end, and described thermo-sensitive resistor is by the extruding of described elasticity insulator and the blind end close contact of described metal end.
According to electronic thermometer of the present utility model, described thermo-sensitive resistor is negative temperature coefficient thermo-sensitive resistor.
According to electronic thermometer of the present utility model, described main part has the hollow probe of area convergent, and described probe has a threaded joints; The diameter of section of described threaded joints is less than the diameter of section of described hollow probe, and described threaded joints be contained in described metal end openend so that described probe be connected with described metal end.
According to electronic thermometer of the present utility model, described thermo-sensitive resistor connects two for conducting the wire of the signal that described thermo-sensitive resistor produces, and described wire is CP wire.
According to electronic thermometer of the present utility model, described two arrangement of conductors are in the both sides of described elasticity insulator, and described two wires turn to ring-type at the opening part of described metal end, and the wire of the threaded joints of described probe by turning to ring-type described in pushing is to push described elasticity insulator.
According to electronic thermometer of the present utility model, described threaded joints is bonding by the openend of two liquid mixed hardening glue and described metal end.
The utility model is corresponding provides a kind of electronic thermometer method for making, and described electronic thermometer comprises main part and the metal end for surveying, and described method for making comprises:
Main part and the metal end of making electronic thermometer, described metal end is the housing with an openend and a blind end;
Make elasticity insulator, described elasticity insulator comprises the press section for being filled in the filling part in described metal end housing and being connected with described filling part;
Thermo-sensitive resistor with two wires is flattened on to the end of described filling part, by described wire be separately arranged on described elasticity insulator both sides so that described two wires do not contact mutually;
The filling part of described elasticity insulator is pressed in the housing of described metal end, and the filling part of described elasticity insulator and described press section are cut off;
Described two wires are coiled into the ring-type consistent with the internal diameter of described metal end, and are pressed in the housing of described metal end;
To in electronic thermometer main part, for the threaded joints being connected with described metal end, apply two liquid mixed hardening glue, and described threaded joints is pressed into the openend of described metal end.
According to electronic thermometer method for making of the present utility model, described method for making also comprises:
Test described two wires whether with described metal end short circuit;
If described two wires all with described metal end short circuit, be defective products;
If only have a wire and described metal end short circuit in described two wires, a wire of short circuit is connected to electric capacity, the wire of another not short circuit of root is connected to the test chip of electronic thermometer.
According to electronic thermometer method for making of the present utility model, in the step of described making elasticity insulator, the diameter of section of described press section is greater than the diameter of section of described filling part.
According to electronic thermometer method for making of the present utility model, described main part has the hollow probe of area convergent, and described threaded joints is arranged in described hollow probe, and the diameter of section of described threaded joints is less than the diameter of section of described hollow probe.
The utility model is by arranging thermo-sensitive resistor in the metal end housing at clinical thermometer, this thermo-sensitive resistor is subject to the extruding of elasticity insulator, thereby thermo-sensitive resistor and metal end inner walls close contact, guaranteed the promptness of temperature transmission, (heat is first transferred to temperature sensor again by heat-conducting glue with respect to temperature sensor in prior art, by heat-conducting glue, to be bonded in mode in metal head, heat-conducting glue can absorb heat), the utility model has improved the efficiency of temperature transmission.This utility model adopts elasticity insulator to be filled in metal end housing simultaneously, heat transfers to after thermo-sensitive resistor, elasticity insulator can stop heat further to transmit, make the heat of metal end all concentrate on thermo-sensitive resistor, improve sensing efficiency and the thermometric accuracy of thermo-sensitive resistor, thereby reduced the Measuring Time of electronic thermometer.Simultaneously of the present utility model simple in structure, be convenient to production and assembly.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiment of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front elevation of the electronic thermometer of a kind of embodiment of the utility model;
Fig. 2 is the probe of electronic thermometer of a kind of embodiment of the utility model and the three-dimensional view of the released state of metal end;
Fig. 3 is the probe of electronic thermometer of a kind of embodiment of the utility model and the cut-open view of the bonding state of metal end;
Fig. 4 is the process flow diagram of a kind of electronic thermometer method for making of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the invention embodiment, the technical scheme in the invention embodiment is clearly and completely described, obviously, described embodiment is only the invention part embodiment, rather than whole embodiment.Embodiment based in the invention, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of electronic thermometer 100 of the utility model, it comprises that one can supply hand-held main part 10, this main part 10 has the hollow probe 11 of a sectional area convergent, so probe 11 and the metal end 20 in the place ahead can be inserted human body oxter, oral cavity and anus etc. at an easy rate, sentences and measures correct body temperature.
As shown in Figure 2, main part 10 and probe 11 are normally one-body molded with shoot mode with the good plastic material of a heat-insulating property, metal end 20 is by metallic plate punching, to be made the blunt nosed housing shape of the thin-walled thing of a similar bullet shape, and metal end 20 is for to have the housing of an openend and a blind end and to be bonded to main part 10.Probe 11 has a threaded joints 12, and the diameter of section of threaded joints 12 is less than the diameter of section of hollow probe 11, and threaded joints 12 be contained in metal end 20 openend so that probe 11 be connected with metal end 20.
One display 13 is located at and in main part 10, is available for users to read measurement data, and a pushbutton switch is available for users to trigger inner circuit to measure.This display mostly is the numeral that represents to capture temperature with a liquid crystal display, thereby being conducive to user, to learn fast whether body temperature has different.At the inner electronic chip (scheming not shown) in addition of main part 10, process the electronic signal of thermometric, and electronic signal is converted to the signal of the specification of display 13 needs.
As shown in Figure 3, be provided with thermo-sensitive resistor 30, and be filled with elasticity insulator 40 in metal end 20 at the blind end of metal end 20, this thermo-sensitive resistor 30 is by the extruding of elasticity insulator 40 and the blind end close contact of metal end 20.Thermo-sensitive resistor 30 connects two for conducting the wire 31 of the signal that thermo-sensitive resistor 30 produces, and wire 31 is CP wire.Two wires 31 are distributed in the both sides of elasticity insulator 40, and by elasticity insulator 40, are pressed together on the inwall of metal end 10.And two wires 31 turn to ring-type at the opening part of metal end 10, and the threaded joints 12 of probe 11 turns to ring-type wire 31 by extruding is with extruding elasticity insulator 40.The material of elasticity insulator 40 is generally polyfoam, and after polyfoam adds gas-development agent by polystyrene, high temperature foaming forms, and quality is light.
12 extruding wires 31 and elasticity insulator 40 are threaded, elasticity insulator 40 extruding thermo-sensitive resistors 30, thereby thermo-sensitive resistor 30 and metal end 10 inner walls close contacts have been guaranteed, guaranteed the promptness of temperature transmission, (heat is first transferred to temperature sensor again by heat-conducting glue with respect to temperature sensor in prior art, by heat-conducting glue, to be bonded in mode in metal head, heat-conducting glue can absorb heat), the utility model has improved the efficiency of temperature transmission.Employing elasticity insulator 40 of the present utility model is filled in metal end 10 housings simultaneously, heat transfers to after thermo-sensitive resistor 30, elasticity insulator 40 can stop heat further to transmit, make the heat of metal end 10 all concentrate on thermo-sensitive resistor 30, improve the sensing efficiency of thermo-sensitive resistor 30, thereby reduced the Measuring Time of electronic thermometer 100.Through inventor's test, the Measuring Time of electronic thermometer of the present utility model adds near 8s-10s from original 35s, than other like product, at thermometric, on the time, shortens 20s
-25s.Simultaneously of the present utility model simple in structure, be convenient to production and assembly.
Preferably, thermo-sensitive resistor 30 is negative temperature coefficient thermo-sensitive resistor, and it can along with temperature rising, resistance reduces.And thermo-sensitive resistor 30 is the thermo-sensitive resistor not encapsulating, and can improve heat transference efficiency, reduce Measuring Time.
Preferably, threaded joints 12 is bonding by the openend of two liquid mixed hardening glue and metal end 10, intercepts outside air and enters, thereby make heat conduction more stable.Two liquid mixed hardening glue, another name AB glue, adopts modified acroleic acid modified epoxy or epoxyn conventionally, has fast dry characteristic, and 25 parch while spending for 5 minutes, can adhered plastics and plastics, plastics and metal, metal and metal.
As shown in Figure 4, the utility model provides the method for a kind of manufacture electronic thermometer as shown in Figure 1, and the method comprises the steps:
Step S401, main part and the metal end of making electronic thermometer, metal end is the housing with an openend and a blind end.This main part can grip for hand, and has the hollow probe of a sectional area convergent.Main part and probe are normally one-body molded with shoot mode with the good plastic material of a heat-insulating property.Metal end is by metallic plate punching, to be made the blunt nosed housing shape of the thin-walled thing of a similar bullet shape, and metal end is have the housing of an openend and a blind end and be bonded to main part.
Threaded joints is arranged in hollow probe, and the diameter of section of threaded joints is less than the diameter of section of hollow probe.
Step S402, makes elasticity insulator, and elasticity insulator comprises the press section for being filled in the filling part in metal end housing and being connected with filling part.Owing to need to being filled in the elasticity insulator small volume of the metal end housing of electronic thermometer, be not easy to install, therefore first form the elasticity insulator with press section.The diameter of section of press section is greater than the diameter of section of filling part.Thereby when elasticity insulator is installed, the filling part that can make elasticity insulator by extruding press section is metal end enclosure interior smoothly.Conventionally, press section is set to circular platform type, and filling part seat warhead shape, two parts are one-body molded.
Step S403, is flattened on the thermo-sensitive resistor with two wires the end of filling part, by wire be separately arranged on elasticity insulator both sides so that two wires do not contact mutually.It should be noted that elasticity insulator is non-deformable, and the head contacting with thermo-sensitive resistor can not sink; The face of thermo-sensitive resistor welding lead will be towards elasticity insulator.
Step S404, is pressed into the filling part of elasticity insulator in the housing of metal end, and the filling part of elasticity insulator and press section are cut off.It should be noted that in process of press in, wire can not be pinched to such an extent that too tightly cause elasticity insulator to be out of shape.
Step S405, is coiled into the ring-type consistent with the internal diameter of metal end by two wires, and is pressed in the housing of metal end.Concrete, then this step can be clamp-oned the right cylinder that is wound with wire in metal end, then take out right cylinder by wire on the right cylinder consistent with metal end internal diameter, and the wire that forms ring-type is pressed in the housing of metal end.
Step S406, will apply two liquid mixed hardening glue for the threaded joints being connected with metal end in electronic thermometer main part, and threaded joints is pressed into the openend of metal end.Threaded joints is arranged in hollow probe, and the diameter of section of threaded joints is less than the diameter of section of hollow probe.Concrete, two liquid mixed hardening glue need to be coated in to threaded joints, need to apply a whole circle, threaded joints is pressed into after the openend of metal end, two unnecessary liquid mixed hardening glue need to be wiped clean with cloth waste, the semi-manufacture of wiping clean are discharged and treat that two liquid mixed hardening glue glue are dry, metal end can not be deviate from from main part.Two liquid mixed hardening glue adopt modified acroleic acid modified epoxy or epoxyn conventionally, have fast dry characteristic.
Preferably, the method for making of above-mentioned electronic thermometer also comprises:
Step S407, test two wires whether with metal end short circuit.With detecting tool or two wires of multimeter test, can not there be short circuit or little resistance, defective products is chosen.
Step S408, if two wires all with metal end short circuit, be defective products, if only have a wire and metal end short circuit in two wires, be certified products.
Step S409, connects electric capacity by a wire of short circuit, the wire of another not short circuit of root is connected to the test chip of electronic thermometer.Concrete can mark curved the tearing open of the wire with metal end short circuit in previous step, follow-up, while being connected with test chip, the wire of bending is connected to test chip.The wire of short circuit connects electric capacity, can reduce the interference of external electromagnetic ripple, has improved the stability of swift electron clinical thermometer.
In sum, the utility model is by arranging thermo-sensitive resistor in the metal end housing at clinical thermometer, this thermo-sensitive resistor is subject to the extruding of elasticity insulator, thereby thermo-sensitive resistor and metal end inner walls close contact, guaranteed the promptness of temperature transmission, (heat is first transferred to temperature sensor again by heat-conducting glue with respect to temperature sensor in prior art, by heat-conducting glue, to be bonded in mode in metal head, heat-conducting glue can absorb heat), the utility model has improved the efficiency of temperature transmission.The utility model adopts elasticity insulator to be filled in metal end housing simultaneously, heat transfers to after thermo-sensitive resistor, elasticity insulator can stop heat further to transmit, make the heat of metal end all concentrate on thermo-sensitive resistor, improve the sensing efficiency of thermo-sensitive resistor, thereby reduced the Measuring Time of electronic thermometer.Simultaneously of the present utility model simple in structure, be convenient to production and assembly.
Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand core concept of the present utility model; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (6)
1. an electronic thermometer, is characterized in that, comprising:
One main part;
One metal end, described metal end is have the housing of an openend and a blind end and be bonded to described main part;
One thermo-sensitive resistor, is arranged at the blind end of described metal end;
One elasticity insulator, is filled in the housing of described metal end, and described thermo-sensitive resistor is by the extruding of described elasticity insulator and the blind end close contact of described metal end.
2. electronic thermometer according to claim 1, is characterized in that, described thermo-sensitive resistor is negative temperature coefficient thermo-sensitive resistor.
3. electronic thermometer according to claim 1, is characterized in that, described main part has the hollow probe of area convergent, and described probe has a threaded joints; The diameter of section of described threaded joints is less than the diameter of section of described hollow probe, and described threaded joints be contained in described metal end openend so that described probe be connected with described metal end.
4. electronic thermometer according to claim 3, is characterized in that, described thermo-sensitive resistor connects two for conducting the wire of the signal that described thermo-sensitive resistor produces, and described wire is CP wire.
5. electronic thermometer according to claim 4, it is characterized in that, described two arrangement of conductors are in the both sides of described elasticity insulator, described two wires turn to ring-type at the opening part of described metal end, and the wire of the threaded joints of described probe by turning to ring-type described in pushing is to push described elasticity insulator.
6. electronic thermometer according to claim 5, is characterized in that, described threaded joints is bonding by the openend of two liquid mixed hardening glue and described metal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545644.XU CN203519196U (en) | 2013-09-04 | 2013-09-04 | Electronic clinical thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545644.XU CN203519196U (en) | 2013-09-04 | 2013-09-04 | Electronic clinical thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203519196U true CN203519196U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320545644.XU Expired - Fee Related CN203519196U (en) | 2013-09-04 | 2013-09-04 | Electronic clinical thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203519196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-09-04 CN CN201320545644.XU patent/CN203519196U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |