CN106996837A - A kind of electric heating vessel heat-sensitive sensor - Google Patents
A kind of electric heating vessel heat-sensitive sensor Download PDFInfo
- Publication number
- CN106996837A CN106996837A CN201710424289.3A CN201710424289A CN106996837A CN 106996837 A CN106996837 A CN 106996837A CN 201710424289 A CN201710424289 A CN 201710424289A CN 106996837 A CN106996837 A CN 106996837A
- Authority
- CN
- China
- Prior art keywords
- housing
- thermistor
- electric heating
- lead
- sensitive sensor
- 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.)
- Granted
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 239000000565 sealant Substances 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 4
- 238000000605 extraction Methods 0.000 claims abstract description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 21
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000004044 response Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to temperature controller technical field, a kind of electric heating vessel heat-sensitive sensor is referred specifically to；Including housing and thermistor, the housing is hollow tubular construction, and thermistor is in the housing；It is provided with housing on bottom, the lower surface of bottom and offers central channel, thermistor is embedded in central channel；Bottom is offered in the lead being welded with the threading gap of two connection central channels, two pins of thermistor from the openend extraction of housing, housing and is provided with the tension disk being connected with lead, and fluid sealant is filled with the openend of housing；The present invention it is rational in infrastructure, bottom thermistor is fixed between two parties in housing with heat conduction end contact, the response speed of thermistor can be improved；Bottom and tension disk reduce the consumption of fluid sealant and improve curing rate, shorten the production cycle；Elastic clip coordinates cable clamping interface to clamp lead, and fluid sealant penetrates into out of tension disk engraved structure, so as to improve overall tensile strength and insulating properties.
Description
Technical field
The present invention relates to temperature controller technical field, a kind of electric heating vessel heat-sensitive sensor is referred specifically to.
Background technology
With the rise of intelligent appliance equipment, various sensors and microprocessor terminal are typically arranged with electric heating appliance, from
And realize voluntarily the regulation duration and degree of heating, the purpose of control cooking process.During temperature sensor is then the core of intelligent control, electric heating appliance
Used temperature sensor is generally top temperature-sensing probe, by perceiving the duration and degree of heating and culinary art with the direct contact of heating vessel
Progress；Temperature sensing metal shell and thermistor embedding structure being used this top temperature-sensing probe sensor, thermistor draws more
Line is drawn from shell aperture and uses fluid sealant insulation processing.
There is biasing problem between thermistor and metal shell in this encapsulating structure, the infiltration of fluid sealant can cause
The response speed reduction of thermistor, thermistor pin is with lead weld part close to metal shell so as to cause insulating properties not
Enough, length of embedment of the lead in insulating cement is less and lacks fixed structure, and the tensile strength of lead is poor；And metal shell
Intracavity space needs more fluid sealant filling, causes the rise of cost and needs longer hardening time, it is difficult to shortens delivery
Cycle and enhance production capacities.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide one kind is rational in infrastructure, it is convenient to assemble, ring
Answer that speed is fast, tensile strength is high, the electric heating vessel heat-sensitive sensor of the few quick solidifying of glue consumption.
To achieve these goals, the present invention uses following technical scheme：
A kind of electric heating vessel heat-sensitive sensor of the present invention, including housing and thermistor, the housing are hollow cylinder
One end of shape structure setting and housing is setting of remaining silent, and thermistor is set in the housing and with the conflict of its closed end inwall
Put；It is provided with the housing on bottom, the lower surface of bottom and offers central channel, thermistor is embedded in central channel；It is described
Bottom offers the threading gap of two connection central channels, and two pins of thermistor are arranged in corresponding threading gap respectively
On, it is welded with pin in the lead from the openend extraction of housing, housing and is provided with the tension disk being connected with lead, and shell
Fluid sealant is filled with the openend of body.
According to above scheme, the tension disk includes first quarter moon backer and enlarging plug, and first quarter moon backer is diameter and casing adaptor
Semicylinder structure setting, it is vertical on the tangent plane of first quarter moon backer to offer expansion slot and two cable clamping interfaces, two cable clamping interfaces point
Other compartment of terrain is located at expansion slot both sides, and the cut-off part between expansion slot and cable clamping interface constitutes elastic clip；Described two leads
It is arranged in respectively in corresponding cable clamping interface, and the front end of enlarging plug penetrates in expansion slot and makes the elastic clip and respective side of its both sides
Lead constitute frictional fit.
According to above scheme, the lower end of the first quarter moon backer is fixedly connected with bottom, two cable clamping interfaces and corresponding threading
Gap end is oppositely arranged；Elastic fin, bottom, first quarter moon backer, enlarging plug are connected between the enlarging plug lower end and bottom
With the integrative-structure that elastic fin is injection molding.
According to above scheme, between maximum between the lateral wall of the enlarging plug and first quarter moon backer's perimeter wall corresponding thereto
It is more than the diameter of housing away from H.
According to above scheme, bottom cutting is in be opened up on " mountain " font, the side wall of central channel by described two threading gap
There is encapsulating mouthful.
According to above scheme, the openend of the housing is provided with ground strip.
The present invention has the beneficial effect that：The present invention is rational in infrastructure, and thermistor is fixed in housing and heat conduction by bottom between two parties
End contact, can improve the response speed of thermistor；Bottom and tension disk constitute the filling part of housing cavity, reduce fluid sealant
Consumption and improve curing rate, shorten the production cycle；Enlarging plug makes elastic clip coordinate cable clamping interface to clamp lead to improve
Tensile property, the weld part of two pins and lead is respectively in corresponding cable clamping interface, and fluid sealant is out of, tension disk engraved structure
Penetrate into, so as to improve overall tensile strength and insulating properties.
Brief description of the drawings
Fig. 1 is the side, sectional structural representation of the present invention；
Fig. 2 is the front cross-sectional structural representation of the present invention；
Fig. 3 is the bottom and tension disk part mplifying structure schematic diagram of the present invention.
In figure：
1st, housing；2nd, bottom；3rd, first quarter moon backer；4th, fluid sealant；11st, ground strip；12nd, thermistor；13rd, pin；14th, lead；
21、；22nd, threading gap；23rd, encapsulating mouthful；31st, enlarging plug；32nd, expansion slot；33、；34th, elastic clip；35th, elastic fin.
Embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
As Figure 1-3, a kind of electric heating vessel heat-sensitive sensor of the present invention, including housing 1 and thermistor 12,
The housing 1 is that hollow tubular construction is set and one end of housing 1 is setting of remaining silent, and thermistor 12 is located at the housing 1
It is interior and with its closed end inwall contradict set；It is provided with the housing 1 on bottom 2, the lower surface of bottom 2 and offers central channel
21, thermistor 12 is embedded in central channel 21；The bottom 2 offers the threading gap 22 of two connection central channels 21, heat
Two pins 13 of quick resistance 12 are arranged on corresponding threading gap 22 respectively, and the opening from housing 1 is welded with pin 13
The tension disk for being provided with and being connected with lead 14 in the lead 14 drawn, housing 1 is held, and filled with close in the openend of housing 1
Sealing 4；The bottom 2 constitutes fixation and interstitital texture in housing 1 with tension disk, and the consumption that can reduce fluid sealant 4 improves solid
Change speed, bottom 2 fixes thermistor 12 by the central channel 21 of its lower surface, so as to solve its biasing problem to improve response
Speed；Tension disk is fixedly clamped lead 14, makes lead 14, pin 13 and housing 1 spaced to improve insulating properties, it is to avoid
Thermistor 12 and weld part are damaged, its tensile property is improved, the entrance of fluid sealant 4 of the filling will wrap up lead 14
With the weld part of pin 13, the insulating properties of sensor are further improved.
The tension disk includes first quarter moon backer 3 and enlarging plug 31, and first quarter moon backer 3 is the semicolumn that diameter is adapted to housing 1
Expansion slot 32 and two cable clamping interfaces 33 are offered vertically on body structure setting, the tangent plane of first quarter moon backer 3, two cable clamping interfaces 33 are distinguished
Compartment of terrain is located at the both sides of expansion slot 32, and the cut-off part between expansion slot 32 and cable clamping interface 33 constitutes elastic clip 34；Described two
Individual lead 14 is arranged in corresponding cable clamping interface 33 respectively, and the front end of enlarging plug 31 penetrates and makes the bullet of its both sides in expansion slot 32
Property intermediate plate 34 and respective side lead 14 constitute frictional fit；The first quarter moon backer 3 is oppositely arranged so as to respectively with enlarging plug 31
Contradicted with the inwall of housing 1, lead 14 is arranged in cable clamping interface 33, the insertion expansion slot 32 of enlarging plug 31 makes the elastic clip of its both sides
34 to both sides deformation, and then clamps the lead 14 in cable clamping interface 33；It is preferred that enlarging plug 31 insertion expansion slot 32 after tension disk with
In interference fit between housing 1, so that tension disk is integrally fixed in housing 1 with lead 14, and then pouring into for fluid sealant 4 can
Further improve the tensile strength of lead 14, the weld part of protection pin 13 and thermistor 12.
The lower end of the first quarter moon backer 3 is fixedly connected with bottom 2, two cable clamping interfaces 33 and the corresponding end of threading gap 22
It is oppositely arranged；Elastic fin 35, bottom 2, first quarter moon backer 3, enlarging plug 31 are connected between the lower end of enlarging plug 31 and bottom 2
With the integrative-structure that elastic fin 35 is injection molding；It is during assembling that two pins 13 are laterally inserted from corresponding threading gap 22
Afterwards, thermistor 12 is carried into embedded central channel 21 on the whole, and two leads 14 are respectively clamped into corresponding cable clamping interface 33, make welding
Portion is in the cable clamping interface 33 between enlarging plug 31 and bottom 2, and the insertion expansion slot 32 of enlarging plug 31 makes lead 14 another after fixing
Body loads housing 1, can improve efficiency of assembling and yield rate.
Maximum spacing H between the lateral wall of the enlarging plug 31 and the perimeter wall of first quarter moon backer 3 corresponding thereto is more than shell
The diameter of body 1, the enlarging plug 31 is monolithically fabricated cylindrical structural with first quarter moon backer 3, and the both sides of enlarging plug 31 cut off and constituted
Agree with the stopper structure of enlarging groove 32, the elastic module that enlarging plug 31 and enlarging groove 32 are present makes it be between housing 1
Be full of cooperation, and then tension disk is fixed in housing 1 by the effect of frictional force, can effectively improve lead 14 tensile strength and
The stability of sensor.
It is in that encapsulating mouthful is offered on " mountain " font, the side wall of central channel 21 that described two threading gap 22, which cut bottom 2,
23, threading gap 22 coordinates encapsulating mouthful 23 fluid sealant 4 is penetrated into the bottom of housing 1, so as to form overall insulating bag to pin 13
Wrap up in.
The openend of the housing 1 is provided with ground strip 11.
Described above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (6)
1. a kind of electric heating vessel heat-sensitive sensor, including housing (1) and thermistor (12), it is characterised in that：The housing (1)
Set for hollow tubular construction and one end of housing (1) be settings of remaining silent, thermistor (12) located at the housing (1) it is interior and
Contradict and set with its closed end inwall；It is provided with the housing (1) on bottom (2), the lower surface of bottom (2) and offers central channel
(21), thermistor (12) is embedded in central channel (21)；The bottom (2) offers the threading of two connection central channels (21)
Gap (22), two pins (13) of thermistor (12) are arranged on corresponding threading gap (22) respectively, on pin (13)
It is welded with the lead (14) from the openend extraction of housing (1), housing (1) and is provided with the clamp being connected with lead (14)
Fluid sealant (4) is filled with device, and the openend of housing (1).
2. electric heating vessel heat-sensitive sensor according to claim 1, it is characterised in that：The tension disk includes first quarter moon backer
(3) and enlarging plug (31), first quarter moon backer (3) is the semicylinder structure setting that diameter is adapted to housing (1), first quarter moon backer (3)
Tangent plane on it is vertical offer expansion slot (32) and two cable clamping interfaces (33), two cable clamping interfaces (33) be respectively separated located at expanding
Groove (32) both sides, the cut-off part between expansion slot (32) and cable clamping interface (33) constitutes elastic clip (34)；Described two leads
(14) it is arranged in respectively in corresponding cable clamping interface (33), and the front end of enlarging plug (31) penetrates in expansion slot (32) and makes its both sides
Elastic clip (34) and the lead (14) of respective side constitute frictional fit.
3. electric heating vessel heat-sensitive sensor according to claim 2, it is characterised in that：The lower end of the first quarter moon backer (3)
It is fixedly connected with bottom (2), two cable clamping interfaces (33) are oppositely arranged with corresponding threading gap (22) end；The enlarging plug
(31) elastic fin (35), bottom (2), first quarter moon backer (3), enlarging plug (31) and elasticity are connected between lower end and bottom (2)
Fin (35) is the integrative-structure of injection molding.
4. electric heating vessel heat-sensitive sensor according to claim 1, it is characterised in that：The lateral wall of the enlarging plug (31)
The maximum spacing H between first quarter moon backer (3) perimeter wall corresponding thereto is more than the diameter of housing (1).
5. electric heating vessel heat-sensitive sensor according to claim 2, it is characterised in that：Described two threading gap (22) will
Bottom (2) cutting is in that encapsulating mouthful (23) is offered on " mountain " font, the side wall of central channel (21).
6. electric heating vessel heat-sensitive sensor according to claim 2, it is characterised in that：On the openend of the housing (1)
Provided with ground strip (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424289.3A CN106996837B (en) | 2017-06-07 | 2017-06-07 | A kind of electric heating vessel heat-sensitive sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424289.3A CN106996837B (en) | 2017-06-07 | 2017-06-07 | A kind of electric heating vessel heat-sensitive sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996837A true CN106996837A (en) | 2017-08-01 |
| CN106996837B CN106996837B (en) | 2019-01-22 |
Family
ID=59436265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710424289.3A Expired - Fee Related CN106996837B (en) | 2017-06-07 | 2017-06-07 | A kind of electric heating vessel heat-sensitive sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106996837B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020341A (en) * | 2017-12-08 | 2018-05-11 | 佛山市川东磁电股份有限公司 | A kind of miniature thermosensitive probe method for packing |
| WO2018223482A1 (en) * | 2017-06-07 | 2018-12-13 | 佛山市程显科技有限公司 | Temperature sensor for electric heating container |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1175333A (en) * | 1967-04-28 | 1969-12-23 | Bosch Gmbh Robert | Improvements in or relating to Temperature Sensers for Internal Combustion Engines. |
| JPS56114732A (en) * | 1980-02-15 | 1981-09-09 | Hitachi Ltd | Temperature measuring instrument for sucked air of internal combustion engine |
| CN104316212A (en) * | 2014-10-15 | 2015-01-28 | 孝感华工高理电子有限公司 | Rapid sensing high temperature resistant temperature sensing probe |
| 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 |
| CN205506254U (en) * | 2016-01-26 | 2016-08-24 | 深圳顺络电子股份有限公司 | NTC temperature sensor |
| CN205940796U (en) * | 2016-08-17 | 2017-02-08 | 武汉汉升汽车传感系统有限责任公司 | High temperature, high sensitivity's temperature sensor |
-
2017
- 2017-06-07 CN CN201710424289.3A patent/CN106996837B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1175333A (en) * | 1967-04-28 | 1969-12-23 | Bosch Gmbh Robert | Improvements in or relating to Temperature Sensers for Internal Combustion Engines. |
| JPS56114732A (en) * | 1980-02-15 | 1981-09-09 | Hitachi Ltd | Temperature measuring instrument for sucked air of internal combustion engine |
| 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 |
| CN104316212A (en) * | 2014-10-15 | 2015-01-28 | 孝感华工高理电子有限公司 | Rapid sensing high temperature resistant temperature sensing probe |
| CN205506254U (en) * | 2016-01-26 | 2016-08-24 | 深圳顺络电子股份有限公司 | NTC temperature sensor |
| CN205940796U (en) * | 2016-08-17 | 2017-02-08 | 武汉汉升汽车传感系统有限责任公司 | High temperature, high sensitivity's temperature sensor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223482A1 (en) * | 2017-06-07 | 2018-12-13 | 佛山市程显科技有限公司 | Temperature sensor for electric heating container |
| CN108020341A (en) * | 2017-12-08 | 2018-05-11 | 佛山市川东磁电股份有限公司 | A kind of miniature thermosensitive probe method for packing |
| CN108020341B (en) * | 2017-12-08 | 2019-12-03 | 佛山市川东磁电股份有限公司 | A kind of miniature thermosensitive probe packaging method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106996837B (en) | 2019-01-22 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20190122 |