CN105336416B - A kind of small radiation proof wire of diameter and small size temperature sensor - Google Patents
A kind of small radiation proof wire of diameter and small size temperature sensor Download PDFInfo
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- CN105336416B CN105336416B CN201510749523.0A CN201510749523A CN105336416B CN 105336416 B CN105336416 B CN 105336416B CN 201510749523 A CN201510749523 A CN 201510749523A CN 105336416 B CN105336416 B CN 105336416B
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- Prior art keywords
- wire
- thread core
- conductor thread
- radiation
- radiation shield
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Thermistors And Varistors (AREA)
Abstract
A kind of small radiation proof wire of diameter, including conductor thread core, conductor thread core insulating barrier and radiation shield；The conductor thread core is externally provided with conductor thread core insulating barrier；The radiation shield includes middle part and end；The conductor thread core insulating barrier outer surface is arranged in the middle part of the radiation shield；The conductor thread core is connected with an electrode of electronic component, and the end of the radiation shield is connected with another electrode of electronic component, is used as electrified wire.The radiation proof wire of the present invention, by radiation shield as wherein one electrified wire, eliminates a conductor thread core, reduces material cost, product diameter is small, and applicable situation is extensive.
Description
Technical field
The present invention relates to a kind of wire and temperature sensor, more particularly to a kind of diameter small radiation proof wire and small size
Temperature sensor.
Background technology
Referring to Fig. 1, it is the structural representation of the temperature sensor made in the prior art of NTC thermistor.Should
Temperature sensor includes NTC thermistor chip 07, lead 08, probing shell 09, potting resin and wire, wherein, wire bag
Include conductor thread core 01, conductor thread core insulating barrier 02, woven wire 03, oversheath 05.The two ends electricity of the NTC thermistor chip 07
Pole is respectively fixedly connected with one end of lead 08, and the other end of lead 08 is fixed with one end of the conductor thread core 01 of wire respectively to be connected
Connect, probing shell 09 is set in outside the entirety that NTC thermistor chip 07, lead 08 and wire one end are formed, and outer in probe
Potting resin in shell 09, plays a part of to insulate and protects.The wire includes two conductor thread cores 01, and outer set of conductor thread core 01 is led
Body core insulating barrier 02, two conductor thread cores 01 after insulation wind woven wire 03 in its outer surface again side by side or after stranded,
Play radiation proof jamproof.Oversheath 05 is arranged outside woven wire 03.
Probe (i.e. the one end of the temperature sensor provided with NTC thermistor chip) maximum gauge of this temperature sensor
D1 is about 6mm, and its wire maximum dimension D 2 is about 4mm (at oversheath 05), probe size and weight is larger, wire external diameter
It is relatively thick, it is unfavorable for temperature sensor in the limited occasion assembling in space, also limit the raising of its sensitivity.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of small radiation proof wire of diameter.
The technical solution adopted in the present invention is：
A kind of small radiation proof wire of diameter, including conductor thread core, conductor thread core insulating barrier and radiation shield；It is described to lead
Body core is externally provided with conductor thread core insulating barrier；The radiation shield includes middle part and end；The middle part of the radiation shield
It is arranged on the conductor thread core insulating barrier outer surface；The conductor thread core is connected with an electrode of electronic component, the radiation
The end of screen layer is connected with another electrode of electronic component, is used as electrified wire.
The radiation proof wire of the present invention, by radiation shield as wherein one electrified wire, eliminates a conductor lines
Core, reduces material cost, and product diameter is small, and applicable situation is extensive.
Further, the radiation shield is metal screen layer；The end of the metal screen layer is strip, and described
Conductor thread core is arranged side by side.
Further, the metal screen layer is to be wrapped in the conductor lines in the middle part of woven wire, the woven wire
Core insulation layer outer surface, the end of the woven wire is twisted into strip.
Further, in addition to radiation shield insulating barrier and outer jacket；The strip end of the radiation shield is provided with
Radiation shield insulating barrier；The outer jacket is arranged on outside the middle part of the radiation shield.
Further, the radiation shield insulating barrier is insulating sleeve, and the insulating sleeve is set in the radiation shield
On the strip end of layer.
Further, in addition to transition position protective case, on the middle part of the radiation shield and the transition position of strip end
It is arranged with transition position protective case.
The present invention also provides a kind of radiation proof temperature sensor of small size：Including thermistor chip and any of the above-described
The small radiation proof wire of described diameter；The radiation proof wire is fixed with two electrodes of the thermistor chip respectively to be connected
Connect.
The radiation proof temperature sensor of the present invention, reduces volume, improves the sensitivity of temperature sensor.
Further, the thermistor chip is NTC thermistor chip.
Further, in addition to lead, the radiation proof wire by the lead respectively with the thermistor chip
Two electrodes be fixedly connected；Positioned at the end and the end of radiation shield of the conductor thread core of same one end of the radiation proof wire
It is fixedly connected respectively with one end of lead, the two end electrodes of the other end of the lead respectively with NTC thermistor chip are fixed
Connection.
Further, in addition to probing shell and potting resin；The probing shell is set in the thermistor chip
Outside, the potting resin is filled into the probing shell.
In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the temperature sensor made in the prior art of NTC thermistor；
Fig. 2 is the step S01-S04 of the manufacture craft of the radiation proof wire of present invention schematic diagram；
Fig. 3 is the step S05-S06 of the manufacture craft of the radiation proof wire of present invention schematic diagram and preventing for the present invention
The structural representation of radiation conductor；
Fig. 4 is the step S07-S08 of the manufacture craft of the radiation proof temperature sensor of present invention schematic diagram；
Fig. 5 is the step S09-S10 of the manufacture craft of the radiation proof temperature sensor of present invention schematic diagram and this hair
The structural representation of bright radiation proof temperature sensor.
Embodiment
Radiation proof wire
Referring to Fig. 3, its structural representation for the radiation proof wire of the present invention.The radiation proof wire of the present invention includes leading
Body core 1, conductor thread core insulating barrier 2, radiation shield, radiation shield insulating barrier, outer jacket and transition position protective case 6.
The conductor thread core 1 is externally provided with conductor thread core insulating barrier 2.The radiation shield is specially metal screen layer, further
Ground, the metal screen layer is woven wire 3, and it includes middle part 31 and end 32, and the middle part 31 of the woven wire is wrapped in conductor
The outer surface of core insulating barrier 2, it is jamproof to play radiation proof, and two end 32 is twisted into strip, diameter about with conductor lines
Diameter of core phase 1 etc., the strip end 32 and the parallel side-by-side of conductor thread core 1, are used as electrified wire.In use, by conductor
Core 1 is connected with an electrode of electronic component, and the strip end of woven wire is connected with another electrode of electronic component.
The strip may of woven wire is fixedly connected in other electronic components.Thus, in the prior art by two conductor lines
The radiation proof wire of core composition, a conductor thread core 1 and 3 groups of the woven wire equivalent to electrified wire are improved to through the present invention
Into saving the material an of conductor thread core (and conductor thread core insulating barrier), also reduce the external diameter of radiation proof wire.
Further, the strip end 32 of the woven wire is externally provided with radiation shield insulating barrier, specially insulating sleeve 4,
The insulating sleeve 4 is set on the strip end 32 of woven wire, plays insulation.The outer jacket is oversheath 5, and it is arranged
Outside the middle part 31 of woven wire, shield.The transition position protective case 6 is set in the middle part 31 and strip end of woven wire
The transition position in portion 32, it is to avoid exposed part is directly contacted with the external world between insulating sleeve 4 and oversheath 5, plays the work of supplement protection
With.
In other embodiments, the end of the woven wire can also be sheet or other be adapted to electronic components
The shape of electrode connection, or directly by the electrode phase of the woven wire being wrapped in outside conductor thread core insulating barrier and electronic component
Even, i.e., the shape of its end is not changed.The metal screen layer can also be sheet metal or other can play the gold of shielding action
Belong to structure.Except metal screen layer, radiation shield can also be that other nonmetallic materials are made, such as conductive macromolecule material
Material, such as conductive plastics, conductive film.The radiation shield insulating barrier can also be insulating coating or other can rise insulation make
Structure.
The maximum dimension D 2 of radiation proof wire in compared with prior art is about 4mm, and radiation proof wire of the invention is most
Major diameter D2 is about 2.5mm (at transition position protective case 6), is significantly smaller than diameter of wire of the prior art, may be used at sky
Between limited occasion.
The radiation proof wire of the present invention can be used for making the temperature sensor using thermistor, can be used for other
The electronic component of type, such as photo resistance.
Radiation proof temperature sensor
Referring to Fig. 5, its structural representation for the radiation proof temperature sensor of the small size of the present invention.The temperature of the present invention
Spending sensor includes NTC thermistor chip 7, lead 8, probing shell 9, potting resin and above-mentioned radiation proof wire.
Wherein, positioned at the radiation proof wire with the strip end 32 of the woven wire of one end and the end part of conductor thread core 1
One end not with lead 8 is fixedly connected, and the other ends of two leads 8 is welded with the two end electrodes of NTC thermistor chip 7 respectively
It is fixed.The probing shell 9 includes blind end and open end, and it is set in NTC thermistor chip 7, lead 8 and radiation proof wire
It is overall outer that one end is formed, and NTC thermistor chip 7 is close to the blind end of probing shell 9, the openend set of probing shell 9
If to outside transition position protective case 6, transition position protective case 6 is also coated in probing shell 9 completely.Filled in the probing shell 9
Resin, plays a part of to insulate and protects.
In other embodiments, the thermistor chip can also be PTC thermistor chip.The temperature sensor
It can not be encapsulated by the way of probing shell and potting resin, such as glass sintering is encapsulated.
Probe maximum dimension D 1 compared to temperature sensor of the prior art is about 6mm, TEMP of the invention
The probe maximum dimension D 1 of device is about 3mm, is significantly smaller than probe diameter of the prior art, because the thermal capacitance volume of probe subtracts
It is few, the sensitivity of temperature sensor is improved, while reducing material cost.
The manufacture craft of radiation proof wire
Fig. 2 and 3 are referred to, it, should to make the step S01-S06 of the manufacture craft of the small radiation proof wire of above-mentioned diameter
The particular content of manufacture craft is：
Step S01：Conductor thread core insulating barrier is set outside conductor thread core；
Step S02：Woven wire is wrapped in conductor thread core insulating barrier outer surface；
Step S03：By the end processing of woven wire into strips, it is arranged side by side with conductor thread core；
Step S04：Outer jacket is arranged outside the middle part of woven wire；
Step S05：Insulating sleeve is arranged on the strip end of woven wire；
Step S06：Transition position protective case is set in the middle part of woven wire and the transition position of strip end.
Specifically, conductor thread core insulating barrier 2 is fixedly installed on outside the conductor thread core 1 by the mode such as extruding, plays insulation
Effect.Woven wire 3 is wrapped in the outer surface of conductor thread core insulating barrier 2, plays radiation proof jamproof.By woven wire
3 two ends 32 are twisted into strip respectively, and diameter is equal about with the diameter of conductor thread core 1, and makes it parallel with conductor thread core 1 simultaneously
Row, are used as electrified wire.In use, conductor thread core 1 is connected with an electrode of electronic component, by the bar of woven wire
Shape end 32 is connected with another electrode of electronic component.Thus, the radiation proof being made up of in the prior art two conductor thread cores
Wire, is improved to a conductor thread core 1 through the present invention and woven wire 3 equivalent to electrified wire is constituted, save one and lead
The material of body core (and conductor thread core insulating barrier), also reduces the external diameter of radiation proof wire and the volume of temperature sensor.
Further, outer jacket (being specially oversheath 5) is set in outside the middle part 31 of woven wire, shielded.
The setting radiation shield insulating barrier 2 outside the strip end 32 of woven wire, specially insulating sleeve 4, the insulating sleeve 4 is arranged
On the strip end 32 of woven wire, play insulation.Transition position protective case 6 is set in the He of middle part 31 of woven wire
The transition position of strip end 32, it is to avoid exposed part is directly contacted with the external world between insulating sleeve 4 and oversheath 5, plays supplement and protects
The effect of shield.
The manufacture craft of radiation proof temperature sensor
On the basis of above-mentioned radiation proof wire is made, above-mentioned radiation proof temperature sensor can be further made.It please join
Figure 4 and 5 are read, it is the step S07-S10 of the manufacture craft of the radiation proof temperature sensor of present invention schematic diagram.The present invention's
The manufacture craft of radiation proof temperature sensor, it is further comprising the steps of：
Step S07：One end of lead is fixed and connected with one end of conductor thread core and the strip end of woven wire respectively
Connect；
Step S08：The two end electrodes of NTC thermistor are fixedly connected with the other end of lead respectively；
Step S09：NTC thermistor chip is placed in the blind end of probing shell, probing shell is set in NTC temperature-sensitives
Outside resistance chip, lead and part radiation proof wire；
Step S10：Potting resin and solidify in probing shell.
The radiation proof wire and its manufacture craft of the present invention, by radiation shield as wherein one electrified wire, is saved
A piece conductor thread core, reduces material cost, product diameter is small, and applicable situation is extensive；The radiation proof TEMP of the present invention
Device and its manufacture craft, reduce probe size, improve the sensitivity of temperature sensor.
The invention is not limited in above-mentioned embodiment, if the various changes or deformation to the present invention do not depart from the present invention
Spirit and scope, if these are changed and deformation belongs within the scope of the claim and equivalent technologies of the present invention, then this hair
It is bright to be also intended to comprising these changes and deform.
Claims (4)
1. a kind of radiation proof temperature sensor of small size, it is characterised in that：Including the small anti-spoke of thermistor chip and diameter
Penetrate wire；The radiation proof wire includes conductor thread core, conductor thread core insulating barrier and radiation shield；The conductor thread core peripheral hardware
There is conductor thread core insulating barrier；The radiation shield includes middle part and end；It is arranged in the middle part of the radiation shield described
Conductor thread core insulating barrier outer surface；The conductor thread core is connected with an electrode of electronic component, the end of the radiation shield
Portion is connected with another electrode of electronic component, is used as electrified wire；The radiation shield is metal screen layer；It is described
The end of metal screen layer is strip, arranged side by side with the conductor thread core；The metal screen layer is woven wire, the wire
The conductor thread core insulating barrier outer surface is wrapped in the middle part of net, the end of the woven wire is twisted into strip；The radiation proof
Wire is fixedly connected with two electrodes of the thermistor chip respectively.
2. the radiation proof temperature sensor of small size according to claim 1, it is characterised in that：The thermistor chip
For NTC thermistor chip；The radiation proof wire also includes radiation shield insulating barrier and outer jacket；The radiation shield
Strip end is provided with radiation shield insulating barrier；The outer jacket is arranged on outside the middle part of the radiation shield；The radiation
Shield dielectric layer is insulating sleeve, and the insulating sleeve is set on the strip end of the radiation shield；The radiation proof
Wire also includes being arranged with transition position guarantor on transition position protective case, the middle part of the radiation shield and the transition position of strip end
Sheath.
3. the radiation proof temperature sensor of small size according to claim 2, it is characterised in that：Also include lead, it is described
Radiation proof wire is fixedly connected with two electrodes of the thermistor chip respectively by the lead；Led positioned at the radiation proof
The end of the conductor thread core of same one end of line and the end of radiation shield are fixedly connected with one end of lead respectively, the lead
Two end electrodes of the other end respectively with NTC thermistor chip be fixedly connected.
4. the radiation proof temperature sensor of small size according to any one of claim 1 to 3, it is characterised in that：Also wrap
Include probing shell and potting resin；The probing shell is set in outside the thermistor chip, and the potting resin is filled into
In the probing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749523.0A CN105336416B (en) | 2015-11-05 | 2015-11-05 | A kind of small radiation proof wire of diameter and small size temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749523.0A CN105336416B (en) | 2015-11-05 | 2015-11-05 | A kind of small radiation proof wire of diameter and small size temperature sensor |
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| CN105336416A CN105336416A (en) | 2016-02-17 |
| CN105336416B true CN105336416B (en) | 2017-09-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106404114A (en) * | 2016-10-26 | 2017-02-15 | 济南鑫贝西生物技术有限公司 | Liquid level detection and sampling device |
| CN112857607A (en) * | 2021-01-13 | 2021-05-28 | 深圳市汇北川电子技术有限公司 | A miniaturized dysmorphism temperature sensor for flat wire motor temperature measurement |
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| EP1460954B1 (en) * | 2001-11-29 | 2007-10-10 | Medwaves, Inc. | Radio-frequency based catheter system with improved deflection and steering mechanisms |
| JP3745734B2 (en) * | 2002-12-19 | 2006-02-15 | 矢崎総業株式会社 | connector |
| CN2718740Y (en) * | 2004-07-22 | 2005-08-17 | 宝胜科技创新股份有限公司 | Electric resistance cable type temperature measuring alarming cable |
| EP1818672B1 (en) * | 2006-02-14 | 2012-08-29 | Mettler-Toledo AG | Measuring device and method for operating the measuring device |
| CN103022819A (en) * | 2011-09-22 | 2013-04-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN204228287U (en) * | 2014-08-21 | 2015-03-25 | 深圳市敏杰电子科技有限公司 | Thermal radiation resistant NTC temperature sensor |
| CN204479201U (en) * | 2015-03-31 | 2015-07-15 | 常州市惠昌传感器有限公司 | The anti-interference NTC temperature sensor in greenhouse |
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