CN104316212B - Rapid sensing high temperature resistant temperature sensing probe - Google Patents
Rapid sensing high temperature resistant temperature sensing probe Download PDFInfo
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- CN104316212B CN104316212B CN201410541745.9A CN201410541745A CN104316212B CN 104316212 B CN104316212 B CN 104316212B CN 201410541745 A CN201410541745 A CN 201410541745A CN 104316212 B CN104316212 B CN 104316212B
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Abstract
The invention relates to a rapid sensing high temperature resistant temperature sensing probe. The rapid sensing high temperature resistant temperature sensing probe comprises a temperature conduction connecting assembly which is provided with a thermistor glass portion, a probe outer casing assembly which comprises an outer casing top, an outer casing chamber and a positioning baffle ring and a probe fixing assembly which comprises a probe base and a probe cover; the thermistor glass portion is connected with two thermistor leads; the positioning baffle ring is arranged at the periphery of the outer casing chamber; the outer casing top and the outer casing chamber respectively penetrate a probe base penetration hole and a probe cover penetration hole; the temperature conduction connecting assembly penetrates the probe outer casing assembly; the front end of the thermistor glass portion is adhered to the inner bottom surface of the outer casing top; the positioning baffle ring is arranged inside a probe base inner groove; a spring is arranged between the positioning baffle ring and the probe inner groove. The rapid sensing high temperature resistant temperature sensing probe is beneficial to rapid temperature conduction, rapidly senses and accurately feeds back temperature due to the fact that the thermistor glass portion is adhered to the inner bottom surface of the outer casing top and is low in production cost.
Description
Technical field
The present invention relates to a kind of quick sensing high temperature resistant temperature-sensing probe, for electric barbecue machine.
Background technology
At present, electric barbecue machine is the good assistant for allowing people conveniently to taste the barbecue of delicious flavour, and its is main
Be by temperature probe the temperature during electrical heating is sensed, fed back, process control, so that it is guaranteed that heating food outside
Sight, taste etc. reach the state of anticipation, therefore temperature-sensing probe is the critical component of whole equipment.
Sensing speed, for a long time levels of precision, the tolerance hot environment etc. of temperature-sensing probe to the temperature during electrical heating,
It is the key point evaluated.
The probe of the conventional application, the temperature-sensitive by the way of contactless, by air conduction of heat temperature-sensitive, then
It is controlled, and adopts straight barrel type structure more probing shell, conduction of heat is long to the critesistor process reaction time, and process
Heat transmission loss, causes temperature sensor sensitivity not good, it is impossible to effectively to reach desired effect.In addition, this kind of temperature-sensing probe is complete
It is exposed in hot environment entirely and works, use for a long time, the irradiation of high temperature heat source can causes the related components for constituting of popping one's head in
It is slowly aging, ultimately result in and lose function.
It is therefore desirable to a kind of quick sensing high temperature resistant temperature-sensing probe of design, to overcome the problems referred to above.
The content of the invention
It is an object of the invention to overcome the defect of prior art, there is provided a kind of quick sensing high temperature resistant is visited with temperature-sensitive
Head, it has the beneficial effects such as quick sensing, high temperature resistant, low cost.
What the present invention was realized in：
The present invention provides a kind of quick sensing high temperature resistant temperature-sensing probe, including：One temperature conduction coupling assembly, it has
Critesistor glass part, the critesistor glass part connects two thermistor leads, and two thermistor leads are adopted respectively
Wrapped up with lead wire insulation sleeve pipe, its tail end exposes 2-4mm, and is crimped on one by having one end of connecting terminal and a wire conductor altogether
Rise, the other end of the wire conductor is connected with a terminal；One probing shell component, it include cover top portion, enclosure cavity with
And positioning retainer ring, the positioning retainer ring is sheathed on the enclosure cavity, and the cover top portion is under the enclosure cavity
End, the upper end of the enclosure cavity is extended out an earthing of casing shell fragment, and the earthing of casing shell fragment is by copper strips and an earth lead
One end crimping connection of conductor, the other end of the earth lead conductor is connected with a ground terminal；One probe fixation kit, its bag
Probe socket and probe cover are included, the probe socket relative can be fitted with the probe cover, and both sides are respectively provided with corresponding probe socket and fix
Hole and probe cover fixing hole, the probe socket has a probe socket inner groovy, and the bottom surface of probe socket inner groovy is provided with a probe socket
Through hole, the probe cover has a probe cover inner groovy, and the bottom surface of probe cover inner groovy is provided with a probe cover through hole；Its
In, the cover top portion, enclosure cavity are each passed through probe socket through hole and the probe cover through hole, and the temperature conduction connects
Connected components pass through the probing shell component, and the inner bottom of the front end laminating cover top portion of the critesistor glass part
Face, the positioning retainer ring is placed in the probe socket inner groovy, is arranged between the positioning retainer ring and the probe cover inner groovy
One spring.
Further, the position that the thermistor lead is connected with wire conductor is arranged with trunking, the electric wire
Sheath is externally provided with high temperature heat-shrinkable T bush.
Further, the temperature conduction coupling assembly is fixed in the probing shell component by high-temperature seal adhesive.
Further, the external diameter of the cover top portion is less than the half of the external diameter of the enclosure cavity, the shell
A quarter of the length at top less than the length of the enclosure cavity.
Further, a probe fixed column is each passed through probe socket fixing hole, probe cover fixing hole, the probe fixed column
One nut of upper connection.
Further, the cover top portion, enclosure cavity and positioning retainer ring are wholely set.
The invention has the advantages that：
The cover top portion, enclosure cavity are each passed through probe socket through hole and the probe cover through hole, the temperature
Conduction coupling assembly passes through the probing shell component, and the front end laminating cover top portion of the critesistor glass part
Inner bottom surface, the positioning retainer ring is placed in the probe socket inner groovy, the positioning retainer ring and the probe cover inner groovy
Between a spring is set.The front end laminating cover top portion of the critesistor glass part of the quick sensing high temperature resistant temperature-sensing probe
Inner bottom surface, quickly conduct beneficial to temperature, quick sensing, accurate feedback temperature, also, the quick sensing high temperature resistant temperature-sensitive
The production cost of probe is relatively low.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the overall structure of the explosion figure of quick sensing high temperature resistant temperature-sensing probe provided in an embodiment of the present invention；
Fig. 2 is the structural representation of temperature conduction coupling assembly provided in an embodiment of the present invention；
Fig. 3 is the structural representation of probing shell component provided in an embodiment of the present invention；
Fig. 4 is the phantom of quick sensing high temperature resistant temperature-sensing probe provided in an embodiment of the present invention；
Fig. 5 is that part when quick sensing high temperature resistant temperature-sensing probe provided in an embodiment of the present invention is in running order is cutd open
View.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
Such as Fig. 1 to Fig. 5, the embodiment of the present invention provides a kind of quick sensing high temperature resistant temperature-sensing probe, including a temperature is passed
Lead coupling assembly, a probing shell component and a probe fixation kit.
Such as Fig. 1 to Fig. 5, the temperature conduction coupling assembly has critesistor glass part 11, its critesistor glass
Part 11 is exposed, and the critesistor glass part 11 connects two thermistor leads 12, and two thermistor leads 12 are adopted respectively
Wrapped up with lead wire insulation sleeve pipe 13, its tail end exposes 2-4mm, and by having a side pressure of the wire conductor 17 of connecting terminal 14 and altogether
It is connected together, the other end of the wire conductor 17 is connected with a terminal 18, once so critesistor glass part 11 is sensed
To temperature, different resistance signals are converted at once, smoothly conduct to main frame.Wherein, the thermistor lead 12 is led with electric wire
The position of the connection of body 17 is arranged with trunking 15, and short circuit, the trunking 15 can be prevented to be externally provided with high temperature heat-shrinkable T bush 16,
Double and profile is formed, in being easily installed in the probing shell component.
Such as Fig. 1 to Fig. 5, the probing shell component includes cover top portion 21, enclosure cavity 22 and positioning retainer ring 23, institute
State positioning retainer ring 23 to be sheathed on the enclosure cavity 22, the cover top portion 21 is located at the lower end of the enclosure cavity 22,
In this preferred embodiment, the cover top portion 21, enclosure cavity 22 and positioning retainer ring 23 are wholely set.The enclosure cavity 22
Upper end extend out an earthing of casing shell fragment 24, the earthing of casing shell fragment 24 pass through the earth lead conductor 26 of copper strips 25 and one
Side pressure connects in succession, and the other end of the earth lead conductor 26 is connected with a ground terminal 27.Wherein, the cover top portion 21 is outer
Less than the half of the external diameter of the enclosure cavity 22, the length of the cover top portion 21 is less than the enclosure cavity 22 in footpath
The a quarter of length.
Such as Fig. 1 to Fig. 5, the probe fixation kit includes probe socket 31 and probe cover 51, the probe socket 31 with it is described
Probe cover 51 relative can be fitted, and both sides are respectively provided with corresponding probe socket fixing hole 34 and probe cover fixes 54 holes, and a probe is fixed
Post 72 is each passed through probe socket fixing hole, probe cover fixing hole, and a nut 73 is connected in the probe fixed column 72, for by
State probe socket 31 to fix with probe cover 51.The probe socket 31 has a probe socket inner groovy 32, for laying positioning retainer ring 23,
Internal diameter is slightly larger than the external diameter of positioning retainer ring 23, and the bottom surface of probe socket inner groovy 32 is provided with a probe socket through hole 33, and its internal diameter is omited
More than the external diameter of enclosure cavity 22.The probe cover 51 has a probe cover inner groovy 52, for laying a spring 41, and prevents
Positioning retainer ring 23 passes through, and internal diameter is slightly larger than the external diameter of spring 41, much smaller than the external diameter of positioning retainer ring 23, the bottom of probe cover inner groovy 52
Face is provided with a probe cover through hole 53, external diameter of its internal diameter slightly larger than enclosure cavity 22.
Such as Fig. 1 to Fig. 5, the cover top portion 21, enclosure cavity 22 are each passed through probe socket through hole 33 and the probe
Lid through hole 53, the temperature conduction coupling assembly passes through the probing shell component, and the critesistor glass part 11
Front end fit the inner bottom surface of the cover top portion 21, in this preferred embodiment, the temperature conduction coupling assembly is by height
Warm fluid sealant 61 is fixed in the probing shell component.The positioning retainer ring 23 is placed in the probe socket inner groovy 32,
The spring 41 is set between the positioning retainer ring 23 and the probe cover inner groovy 52.
Such as Fig. 1 to Fig. 5, temperature conduction coupling assembly is fixed in probing shell component by high-temperature seal adhesive 61, temperature-sensitive
The front end of the electric resistance glass part 11 laminating inner bottom surface of cover top portion 21, can so make critesistor quickly, precisely sense determinand 71
Temperature.
Such as Fig. 1 to Fig. 5, after the quick sensing high temperature resistant of the present invention is assembled with temperature-sensing probe, the positioning of probing shell component
Back-up ring 23 presses close to completely the inner bottom surface of probe socket inner groovy 32 under the influence of the tension force of spring 41, and makes cover top portion 21 complete
Expose outside probe socket through hole 33, and the other end of spring 41 is abutted with the inner bottom surface of probe cover inner groovy 52.Probing shell component
Earthing of casing shell fragment 24 be completely exposed in the side of probe cover through hole 53.
As shown in figure 5, when the quick sensing high temperature resistant temperature-sensing probe approaches determinand 71, and fixed by nut 73
Into after working condition, when cover top portion 21 is resisted against completely on the surface of determinand 71, probing shell component is set to be forced to far
From the movement of the direction of determinand 71, positioning retainer ring 23 can cause spring 41 to shrink the applying power of spring 41, the other end of spring 41 with visit
The inner bottom surface of skull inner groovy 52.And now spring 41 forces cover top portion 21 to be pasted with determinand 71 due to shrinking the elastic force for causing
Close more closely, be conducive to the conduction of temperature, make temperature conduction more rapidly, precisely.
Relative to prior art construction, the quick sensing high temperature resistant temperature-sensing probe of the present invention designs probing shell component
It is structure as a whole, the external diameter of cover top portion 21 is little, only lays critesistor glass part 11, and critesistor glass part can be made
11 front ends are fitted completely shell inner bottom surface, are quickly conducted beneficial to temperature, quick sensing, accurate feedback temperature；In addition, probing shell
Component arranges earthing of casing shell fragment 24, can simply carry out grounding connection, makes quickly to sense the safe work of high temperature resistant temperature-sensing probe
Make；Probe fixation kit can be such that probing shell top 21 is close to the surface of determinand 71 completely, and thermal source can quickly be transferred to temperature-sensitive
Resistance, also cause temperature conduction more rapidly, precisely.And probing shell component open section is increased outward away from determinand 71
Protection of the warm fluid sealant 61 to critesistor, can be such that critesistor is not directly exposed in hot irradiation, can make the long-term resistance to height of probe
Temperature is used.
Quick sensing high temperature resistant temperature-sensing probe can reach quick sensing, high temperature resistant etc. beneficial by said structure
Effect, and its old of production is relatively low.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. it is a kind of quickly to sense high temperature resistant temperature-sensing probe, it is characterised in that to include：
One temperature conduction coupling assembly, it has critesistor glass part, and the critesistor glass part connects two temperature-sensitives
Resistance lead, two thermistor leads are respectively adopted lead wire insulation sleeve pipe parcel, and its tail end exposes 2-4mm, and by connecing altogether
Terminal is crimped together with one end of a wire conductor, and the other end of the wire conductor is connected with a terminal；
One probing shell component, it includes cover top portion, enclosure cavity and positioning retainer ring, and the positioning retainer ring is located at described outer
Shell cavity periphery, the cover top portion located at the lower end of the enclosure cavity, extend out a shell by the upper end of the enclosure cavity
Grounding elastic part, the earthing of casing shell fragment is connected by copper strips with one end crimping of an earth lead conductor, the earth lead conductor
The other end be connected with a ground terminal；
One probe fixation kit, it includes probe socket and probe cover, and probe socket laminating relative with the probe cover, both sides are each
Corresponding probe socket fixing hole and probe cover fixing hole are provided with, the probe socket has a probe socket inner groovy, probe socket indent
The bottom surface of groove is provided with a probe socket through hole, and the probe cover has a probe cover inner groovy, and the bottom surface of probe cover inner groovy sets
There is a probe cover through hole；
Wherein, the cover top portion, enclosure cavity are each passed through probe socket through hole and the probe cover through hole, the temperature
Conduction coupling assembly passes through the probing shell component, and the front end laminating cover top portion of the critesistor glass part
Inner bottom surface, the positioning retainer ring is placed in the probe socket inner groovy, the positioning retainer ring and the probe cover inner groovy
Between a spring is set.
It is 2. as claimed in claim 1 quickly to sense high temperature resistant temperature-sensing probe, it is characterised in that：The thermistor lead with
The position of wire conductor connection is arranged with trunking, and the trunking is externally provided with high temperature heat-shrinkable T bush.
It is 3. as claimed in claim 1 quickly to sense high temperature resistant temperature-sensing probe, it is characterised in that：The temperature conduction connection group
Part is fixed in the probing shell component by high-temperature seal adhesive.
It is 4. as claimed in claim 1 quickly to sense high temperature resistant temperature-sensing probe, it is characterised in that：The external diameter of the cover top portion
Less than the half of the external diameter of the enclosure cavity, the length of the cover top portion less than the length of the enclosure cavity four/
One.
It is 5. as claimed in claim 1 quickly to sense high temperature resistant temperature-sensing probe, it is characterised in that：One probe fixed column is worn respectively
Probe socket fixing hole, probe cover fixing hole are crossed, in the probe fixed column nut is connected.
It is 6. as claimed in claim 1 quickly to sense high temperature resistant temperature-sensing probe, it is characterised in that：The cover top portion, shell
Cavity and positioning retainer ring are wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541745.9A CN104316212B (en) | 2014-10-15 | 2014-10-15 | Rapid sensing high temperature resistant temperature sensing probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541745.9A CN104316212B (en) | 2014-10-15 | 2014-10-15 | Rapid sensing high temperature resistant temperature sensing probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104316212A CN104316212A (en) | 2015-01-28 |
| CN104316212B true CN104316212B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410541745.9A Active CN104316212B (en) | 2014-10-15 | 2014-10-15 | Rapid sensing high temperature resistant temperature sensing probe |
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| CN (1) | CN104316212B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996837B (en) * | 2017-06-07 | 2019-01-22 | 佛山市程显科技有限公司 | A kind of electric heating vessel heat-sensitive sensor |
| CN107763678B (en) * | 2017-11-22 | 2024-06-07 | 孝感华工高理电子有限公司 | Temperature sensing probe for rapidly sensing temperature and induction cooker |
| TWI681174B (en) * | 2018-11-30 | 2020-01-01 | 徐振健 | Multi-point temperature detection device |
| CN111272308B (en) * | 2020-02-27 | 2021-03-23 | 南京贺斯利科技有限公司 | Self-powered wireless temperature measuring device and assembling and temperature measuring method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8162541B2 (en) * | 2009-04-06 | 2012-04-24 | Roxanne P. Ostlund, legal representative | Two-terminal temperature sensor with electrically isolated housing |
| CN202420689U (en) * | 2011-12-02 | 2012-09-05 | 李文庆 | Temperature sensing device |
| CN202547819U (en) * | 2012-03-02 | 2012-11-21 | 恒新基电子（青岛）有限公司 | Novel surface temperature sensor |
| CN203606037U (en) * | 2013-11-01 | 2014-05-21 | 深圳市科敏传感器有限公司 | Temperature sensor |
| CN204165667U (en) * | 2014-10-15 | 2015-02-18 | 孝感华工高理电子有限公司 | Quick sensing is high temperature resistant temperature-sensing probe |
-
2014
- 2014-10-15 CN CN201410541745.9A patent/CN104316212B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8162541B2 (en) * | 2009-04-06 | 2012-04-24 | Roxanne P. Ostlund, legal representative | Two-terminal temperature sensor with electrically isolated housing |
| CN202420689U (en) * | 2011-12-02 | 2012-09-05 | 李文庆 | Temperature sensing device |
| CN202547819U (en) * | 2012-03-02 | 2012-11-21 | 恒新基电子（青岛）有限公司 | Novel surface temperature sensor |
| CN203606037U (en) * | 2013-11-01 | 2014-05-21 | 深圳市科敏传感器有限公司 | Temperature sensor |
| CN204165667U (en) * | 2014-10-15 | 2015-02-18 | 孝感华工高理电子有限公司 | Quick sensing is high temperature resistant temperature-sensing probe |
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| Publication number | Publication date |
|---|---|
| CN104316212A (en) | 2015-01-28 |
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