CN105336416A - Small-diameter ray-proof lead and small-volume temperature sensor - Google Patents
Small-diameter ray-proof lead and small-volume temperature sensor Download PDFInfo
- Publication number
- CN105336416A CN105336416A CN201510749523.0A CN201510749523A CN105336416A CN 105336416 A CN105336416 A CN 105336416A CN 201510749523 A CN201510749523 A CN 201510749523A CN 105336416 A CN105336416 A CN 105336416A
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- Prior art keywords
- wire
- radiation proof
- thread core
- conductor thread
- radiation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005855 radiation Effects 0.000 claims abstract description 100
- 239000004020 conductor Substances 0.000 claims abstract description 63
- 230000004888 barrier function Effects 0.000 claims description 30
- 230000007704 transition Effects 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000004382 potting Methods 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 238000009413 insulation Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 8
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000523 sample Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a small-diameter ray-proof lead. The small-diameter ray-proof lead comprises a conductor wire core, a conductor wire core insulation layer and a radiation shielding layer, wherein the conductor wire core is externally provided with the conductor wire core insulation layer; the radiation shielding layer comprises a central portion and an end portion; the central portion of the radiation shielding layer is arranged at the outer surface of the conductor wire core insulation layer; and the conductor wire core is connected with one electrode of an electronic component, and the end portion of the radiation shielding layer is connected with the other electrode of the electronic component so that the radiation shielding layer is used as an energization lead. According to the ray-proof lead provided by the invention, the radiation shielding layer is taken as one of energization leads, one conductor wire core is omitted, the material cost is decreased, the product diameter is small, and the application occasion is wide.
Description
Technical field
The present invention relates to a kind of wire and temperature sensor, particularly relate to the little radiation proof wire of a kind of diameter and small size temperature sensor.
Background technology
Refer to Fig. 1, it is the structural representation with the temperature sensor of NTC thermistor making in prior art.This temperature sensor comprises NTC thermistor chip 07, lead-in wire 08, probing shell 09, potting resin and wire, and wherein, wire comprises conductor thread core 01, conductor thread core insulating barrier 02, woven wire 03, oversheath 05.The two end electrodes of this NTC thermistor chip 07 is fixedly connected with one end of lead-in wire 08 respectively; the other end of lead-in wire 08 is fixedly connected with one end of the conductor thread core 01 of wire respectively; probing shell 09 be set in NTC thermistor chip 07, lead-in wire 08 and wire one end formed entirety outside; and in probing shell 09 potting resin, play a part insulation and protection.This wire comprises two conductor thread cores 01, arranges conductor thread core insulating barrier 02 outside conductor thread core 01, two conductor thread cores 01 after insulation side by side or stranded after again its outer surface be wound around woven wire 03, play the jamproof effect of radiation proof.The outer sheathed oversheath 05 of woven wire 03.
Probe (namely this temperature sensor is provided with one end of the NTC thermistor chip) maximum dimension D 1 of this temperature sensor is about 6mm, its wire maximum dimension D 2 is about 4mm (at oversheath 05 place), probe size and weight external diameter that is comparatively large, wire is thicker, be unfavorable for that temperature sensor assembles in the occasion of limited space, also limit the raising of its sensitivity.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the radiation proof wire that a kind of diameter is little.
The technical solution adopted in the present invention is:
The radiation proof wire that diameter is little, comprises conductor thread core, conductor thread core insulating barrier and radiation shield; Conductor thread core insulating barrier is provided with outside described conductor thread core; Described radiation shield comprises middle part and end; The middle part of described radiation shield is arranged on described conductor thread core insulating barrier outer surface; Described conductor thread core is connected with an electrode of electronic devices and components, and the end of described radiation shield is connected with another electrode of electronic devices and components, uses as electrified wire.
Radiation proof wire of the present invention, by radiation shield as a wherein electrified wire, eliminate a conductor thread core, reduce material cost, product diameter is little, and applicable situation is extensive.
Further, described radiation shield is metal screen layer; The end of described metal screen layer is strip, arranged side by side with described conductor thread core.
Further, described metal screen layer is woven wire, and the middle part of described woven wire is wrapped in described conductor thread core insulating barrier outer surface, and the end of described woven wire is twisted into strip.
Further, radiation shield insulating barrier and outer jacket is also comprised; The strip end of described radiation shield is provided with radiation shield insulating barrier; Described outer jacket is arranged on outside the middle part of described radiation shield.
Further, described radiation shield insulating barrier is insulating sleeve, and described insulating sleeve is set on the strip end of described radiation shield.
Further, also comprise transition position protective sleeve, the middle part of described radiation shield and the transition position of strip end are arranged with transition position protective sleeve.
The present invention also provides a kind of radiation proof temperature sensor of small size: comprise thermistor chip and the little radiation proof wire of the diameter described in above-mentioned any one; Described radiation proof wire is fixedly connected with two electrodes of described thermistor chip respectively.
Radiation proof temperature sensor of the present invention, reduces volume, improves the sensitivity of temperature sensor.
Further, described thermistor chip is NTC thermistor chip.
Further, also comprise lead-in wire, described radiation proof wire is fixedly connected with two electrodes of described thermistor chip respectively by described lead-in wire; The end of the end and radiation shield that are positioned at the conductor thread core of same one end of described radiation proof wire is fixedly connected with one end of lead-in wire respectively, and the other end of described lead-in wire is fixedly connected with the two end electrodes of NTC thermistor chip respectively.
Further, probing shell and potting resin is also comprised; Described probing shell is set in outside described thermistor chip, and described potting resin is filled in described probing shell.
In order to understand better and implement, describe the present invention in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the structural representation with the temperature sensor of NTC thermistor making in prior art;
Fig. 2 is the schematic diagram of the step S01-S04 of the manufacture craft of radiation proof wire of the present invention;
Fig. 3 is the schematic diagram of the step S05-S06 of the manufacture craft of radiation proof wire of the present invention and the structural representation of radiation proof wire of the present invention;
Fig. 4 is the schematic diagram of the step S07-S08 of the manufacture craft of radiation proof temperature sensor of the present invention;
Fig. 5 is the schematic diagram of the step S09-S10 of the manufacture craft of radiation proof temperature sensor of the present invention and the structural representation of radiation proof temperature sensor of the present invention.
Embodiment
radiation proof wire
Refer to Fig. 3, it is the structural representation of radiation proof wire of the present invention.Radiation proof wire of the present invention comprises conductor thread core 1, conductor thread core insulating barrier 2, radiation shield, radiation shield insulating barrier, outer jacket and transition position protective sleeve 6.
Conductor thread core insulating barrier 2 is provided with outside this conductor thread core 1.This radiation shield is specially metal screen layer, further, this metal screen layer is woven wire 3, it comprises middle part 31 and end 32, and the middle part 31 of this woven wire is wrapped in the outer surface of conductor thread core insulating barrier 2, plays the jamproof effect of radiation proof, two end 32 is twisted into strip, diameter about with conductor thread core mutually 1 diameter etc., this strip end 32 and conductor thread core 1 parallel side-by-side, use as electrified wire.During use, conductor thread core 1 is connected with an electrode of electronic devices and components, the strip end of woven wire is connected with another electrode of electronic devices and components.The strip may of woven wire is in being fixedly connected with other electronic devices and components.Thus, the radiation proof wire be made up of two conductor thread cores in prior art, be improved to a conductor thread core 1 through the present invention to form with the woven wire 3 being equivalent to electrified wire, save the material an of conductor thread core (and conductor thread core insulating barrier), also reduce the external diameter of radiation proof wire.
Further, be provided with radiation shield insulating barrier, be specially insulating sleeve 4 outside the strip end 32 of this woven wire, this insulating sleeve 4 is set on the strip end 32 of woven wire, plays insulation.This outer jacket is oversheath 5, and it is set in outside the middle part 31 of woven wire, shields.This transition position protective sleeve 6 is set in the middle part 31 of woven wire and the transition position of strip end 32, avoids part exposed between insulating sleeve 4 with oversheath 5 directly to contact with the external world, plays a part to supplement protection.
In other embodiments, the end of this woven wire can also be sheet or other shapes that the is applicable and Electrode connection of electronic devices and components, or being directly connected being wrapped in the woven wire outside conductor thread core insulating barrier with the electrode of electronic devices and components, namely not changing the shape of its end.This metal screen layer can also be sheet metal or other can play the metal structure of shielding action.Except metal screen layer, radiation shield can also be that other nonmetallic materials are made, as the macromolecular material of conduction, and such as conductive plastics, conductive film etc.This radiation shield insulating barrier can also be insulating coating or other can play the structure of insulating effect.
The maximum dimension D 2 of the radiation proof wire is compared to existing technology about 4mm; the maximum dimension D 2 of radiation proof wire of the present invention is about 2.5mm (at transition position protective sleeve 6 place); be significantly smaller than diameter of wire of the prior art, the occasion of limited space can be used in.
Radiation proof wire of the present invention may be used for making the temperature sensor utilizing thermistor, also may be used for the electronic devices and components of other types, as photo resistance etc.
radiation proof temperature sensor
Refer to Fig. 5, it is the structural representation of the radiation proof temperature sensor of small size of the present invention.Temperature sensor of the present invention comprises NTC thermistor chip 7, lead-in wire 8, probing shell 9, potting resin and above-mentioned radiation proof wire.
Wherein, be positioned at this radiation proof wire and be fixedly connected with one end of lead-in wire 8 respectively with the end of conductor thread core 1 with the strip end 32 of the woven wire of one end, the other end of two lead-in wires 8 is welded and fixed with the two end electrodes of NTC thermistor chip 7 respectively.This probing shell 9 comprises blind end and openend; its be set in NTC thermistor chip 7, lead-in wire 8 and radiation proof wire one end formed entirety outside; NTC thermistor chip 7 is close to the blind end of probing shell 9; the openend of probing shell 9 is sheathed with outside transition position protective sleeve 6, is also coated on completely in probing shell 9 by transition position protective sleeve 6.Potting resin in this probing shell 9, plays insulation and protection.
In other embodiments, this thermistor chip also can be PTC thermistor chip.This temperature sensor also can not adopt the mode of probing shell and potting resin to encapsulate, as glass sintering encapsulation etc.
6mm is about compared to the probe maximum dimension D 1 of temperature sensor of the prior art, the probe maximum dimension D 1 of temperature sensor of the present invention is about 3mm, be significantly smaller than probe diameter of the prior art, because the thermal capacitance volume of probe reduces, improve the sensitivity of temperature sensor, reduce material cost simultaneously.
the manufacture craft of radiation proof wire
Refer to Fig. 2 and 3, it is the step S01-S06 of the manufacture craft making the little radiation proof wire of above-mentioned diameter, and the particular content of this 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: strip is processed in the end of woven wire, arranged side by side with conductor thread core;
Step S04: sheathed outer jacket outside the middle part of woven wire;
Step S05: sheathed insulating sleeve on the strip end of woven wire;
Step S06: transition position protective sleeve is set in the middle part of woven wire and the transition position of strip end.
Particularly, conductor thread core insulating barrier 2 being fixedly installed on outside this conductor thread core 1 by the mode such as extruding, playing insulating effect.Woven wire 3 is wrapped in the outer surface of conductor thread core insulating barrier 2, plays the jamproof effect of radiation proof.Two of woven wire 3 ends 32 are twisted into strip respectively, diameter about with the equal diameters of conductor thread core 1, and make itself and conductor thread core 1 parallel side-by-side, use as electrified wire.During use, conductor thread core 1 is connected with an electrode of electronic devices and components, the strip end 32 of woven wire is connected with another electrode of electronic devices and components.Thus, the radiation proof wire be made up of two conductor thread cores in prior art, be improved to a conductor thread core 1 through the present invention to form with the woven wire 3 being equivalent to electrified wire, save the material an of conductor thread core (and conductor thread core insulating barrier), also reduce 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, shields.Radiation shield insulating barrier 2 is set outside the strip end 32 of woven wire, is specially insulating sleeve 4, this insulating sleeve 4 is set on the strip end 32 of woven wire, play insulation.Transition position protective sleeve 6 is set in the middle part 31 of woven wire and the transition position of strip end 32, avoids part exposed between insulating sleeve 4 with oversheath 5 directly to contact with the external world, play a part to supplement protection.
the manufacture craft of radiation proof temperature sensor
On the basis making above-mentioned radiation proof wire, above-mentioned radiation proof temperature sensor can be made further.Refer to Figure 4 and 5, it is the schematic diagram of the step S07-S10 of the manufacture craft of radiation proof temperature sensor of the present invention.The manufacture craft of radiation proof temperature sensor of the present invention, further comprising the steps of:
Step S07: one end of lead-in wire is connected with one end of conductor thread core and the strip end winding support of woven wire respectively;
Step S08: the two end electrodes of NTC thermistor is fixedly connected with the other end of lead-in wire respectively;
Step S09: blind end NTC thermistor chip being placed in probing shell, makes probing shell be set in outside NTC thermistor chip, lead-in wire and part radiation proof wire;
Step S10: potting resin in probing shell also solidifies.
Radiation proof wire of the present invention and manufacture craft thereof, by radiation shield as a wherein electrified wire, eliminate a conductor thread core, reduce material cost, product diameter is little, and applicable situation is extensive; Radiation proof temperature sensor of the present invention and manufacture craft thereof, reduce probe size, improves the sensitivity of temperature sensor.
The present invention is not limited to above-mentioned execution mode, if do not depart from the spirit and scope of the present invention to various change of the present invention or distortion, if these are changed and distortion belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these changes and distortion.
Claims (10)
1. the radiation proof wire that diameter is little, is characterized in that: comprise conductor thread core, conductor thread core insulating barrier and radiation shield; Conductor thread core insulating barrier is provided with outside described conductor thread core; Described radiation shield comprises middle part and end; The middle part of described radiation shield is arranged on described conductor thread core insulating barrier outer surface; Described conductor thread core is connected with an electrode of electronic devices and components, and the end of described radiation shield is connected with another electrode of electronic devices and components, uses as electrified wire.
2. the radiation proof wire that diameter according to claim 1 is little, is characterized in that: described radiation shield is metal screen layer; The end of described metal screen layer is strip, arranged side by side with described conductor thread core.
3. the radiation proof wire that diameter according to claim 2 is little, is characterized in that: described metal screen layer is woven wire, and the middle part of described woven wire is wrapped in described conductor thread core insulating barrier outer surface, and the end of described woven wire is twisted into strip.
4. the radiation proof wire that the diameter according to any one of Claims 2 or 3 is little, is characterized in that: also comprise radiation shield insulating barrier and outer jacket; The strip end of described radiation shield is provided with radiation shield insulating barrier; Described outer jacket is arranged on outside the middle part of described radiation shield.
5. the radiation proof wire that diameter according to claim 4 is little, is characterized in that: described radiation shield insulating barrier is insulating sleeve, and described insulating sleeve is set on the strip end of described radiation shield.
6. the radiation proof wire that diameter according to claim 4 is little, is characterized in that: also comprise transition position protective sleeve, and the middle part of described radiation shield and the transition position of strip end are arranged with transition position protective sleeve.
7. a radiation proof temperature sensor for small size, is characterized in that: comprise thermistor chip and the little radiation proof wire of diameter according to any one of claim 1 to 6; Described radiation proof wire is fixedly connected with two electrodes of described thermistor chip respectively.
8. the radiation proof temperature sensor of small size according to claim 7, is characterized in that: described thermistor chip is NTC thermistor chip.
9. the radiation proof temperature sensor of small size according to claim 8, is characterized in that: also comprise lead-in wire, and described radiation proof wire is fixedly connected with two electrodes of described thermistor chip respectively by described lead-in wire; The end of the end and radiation shield that are positioned at the conductor thread core of same one end of described radiation proof wire is fixedly connected with one end of lead-in wire respectively, and the other end of described lead-in wire is fixedly connected with the two end electrodes of NTC thermistor chip respectively.
10. the radiation proof temperature sensor of the small size according to any one of claim 7 to 9, is characterized in that: also comprise probing shell and potting resin; Described probing shell is set in outside described thermistor chip, and described potting resin is filled in described 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105336416A true CN105336416A (en) | 2016-02-17 |
| CN105336416B CN105336416B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510749523.0A Active 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN103022819A (en) * | 2011-09-22 | 2013-04-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| 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 |
| CN105004443A (en) * | 2014-08-21 | 2015-10-28 | 深圳市敏杰电子科技有限公司 | Anti-thermal radiation NTC temperature sensor and application thereof |
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2015
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| US20030114844A1 (en) * | 2001-11-29 | 2003-06-19 | Medwaves, Inc. | Radio-frequency-based catheter system with improved deflection and steering mechanisms |
| US20040121649A1 (en) * | 2002-12-19 | 2004-06-24 | Yazaki Corporation | 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105336416B (en) | 2017-09-29 |
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