CN106482857A - Teletransmission ventilation type temperature sensor - Google Patents
Teletransmission ventilation type temperature sensor Download PDFInfo
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- CN106482857A CN106482857A CN201611036369.3A CN201611036369A CN106482857A CN 106482857 A CN106482857 A CN 106482857A CN 201611036369 A CN201611036369 A CN 201611036369A CN 106482857 A CN106482857 A CN 106482857A
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- negative
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- temperature
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
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- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Radiation Pyrometers (AREA)
Abstract
The present invention proposes a kind of teletransmission ventilation type temperature sensor, and housing is divided into installation portion and probe portion, sets temperature-sensitive element and insulating part inside probe portion, fills heat conductive silica gel around temperature-sensitive element；Probe is pressed together on temperature-sensitive element electrode by spring；Probe portion lower end outside is coated with infrared absorbing film, and infrared absorbing film is located at temperature-sensitive element periphery；Installation portion is provided with main controller, wireless communication module and power supply；Passage is set on the wall of installation portion side.The present invention has the advantages that lightweight, corrosion-resistant, high rigidity, high temperature resistant and low-temperature resistance embrittlement；Temperature-sensitive element is fixed and conducts heat by heat conductive silica gel, improves sensitivity and anti-seismic performance；Positive probe and negative probe are pressed together on the anelectrode and negative electrode of temperature-sensitive element under the pressure of the spring, and when phenomenon occurs expanding with heat and contract with cold in probe, spring can adjust the pressure of probe and electrode at any time, realize reliable electrical connection；Can by temperature value Wireless transceiver to remote central control terminal, can remote monitoring, need not loaded down with trivial details distribution.
Description
Technical field
The present invention relates to electrical accessorie technical field, specifically a kind of teletransmission ventilation type temperature sensor.
Background technology
Temperature sensor (temperature transducer) refers to experience temperature and be converted into usable output signal
Sensor.
In the market, the protection pipe of temperature sensor adopts the materials such as metal tube, earthenware or metal tube surface coating,
But metal tube temperature resistant range life-time service be less than 1200 DEG C about, corrosion-resistant scope also be subject to a definite limitation, such as bases,
Salt acids medium, metal pipe material is difficult to solve corrosion-resistant problem, if again very expensive using the anti-corrosion cost of noble metal material；
Earthenware (inclusion alundum tube) although can corrosion-resistant and tolerance certain limit (1600 DEG C about) high temperature, not only pole hold
Easy fracture damages, and thermal response time length impact sensitivity of thermometry.And, either metal tube or earthenware, resists low temperature
Embrittlement ability is all very limited.
In addition, temperature sensor of the prior art has following both sides shortcoming, on the one hand due to sensor top
End is not contacted with sensor protective sleeve inner cavity top, and the vibration being produced in operation process due to equipment can lead to temperature
The generation of situations such as degree sensor is susceptible to loosen, comes off；On the other hand, due to temperature sensor with sensor protective sleeve simultaneously
It is not directly to contact so that temperature sensor sensitivity is not high, thus affecting the functional reliability of temperature sensor.
Further, since each sensor is equipped with a thermistor chip, and in order to determine remote work station biography
The temperature of sense needs wired delivery module, and therefore, not only manufacturing expense increases, and arranges and be difficult during multiple temperature sensor
Distribution.And, due to wire is connected to critesistor, therefore there is the weight being caused by wire in mounted temperature sensor
The coupling part of increase or wire and critesistor is because the problems such as vibration deterioration.
Content of the invention
The present invention proposes a kind of teletransmission ventilation type temperature sensor, solve in prior art temperature sensor easily loosen,
Come off, sensitivity is low, corrosion-resistant, the problems such as distribution is loaded down with trivial details.
The technical scheme is that and be achieved in that：
A kind of teletransmission ventilation type temperature sensor, including housing, described housing is divided into the installation portion of upper end and the spy of lower end
Head；
The inner side of described probe portion has a cavity, and the lower end of described cavity is provided with temperature-sensitive element, described temperature-sensitive element upper
Side has anelectrode and negative electrode；It is provided with insulating part in cavity above described temperature-sensitive element, in described insulating part, have first
Positive through hole and the first negative through hole；
Be filled with heat conductive silica gel in cavity around described temperature-sensitive element, have in described heat conductive silica gel the second positive through hole and
Second negative through hole；
Described installation portion has the 3rd positive through hole and the 3rd negative through hole；
It is just logical above described anelectrode that described first positive through hole, the second positive through hole and the 3rd positive through hole connect into one
Hole, described first negative through hole, the second negative through hole and the 3rd negative through hole connect into one and are located at the negative through hole above described negative electrode；
It is provided with a positive fixture in described 3rd positive through hole, described positive fixture has a positive punch；Described just fixing
The lower section of part is connected with a positive spring, and the lower end of described positive spring connects one and just insulating slide block, the lower end of the described slide block that just insulating
Connect a positive probe, described positive probe is resisted against on described anelectrode through described positive through hole, the upper end of described positive probe connects
There is positive lead, described positive lead is drawn through described positive punch；
It is provided with a negative fixture in described 3rd negative through hole, described negative fixture has a negative perforation；Described negative fixation
The lower section of part is connected with a negative spring, and the lower end of described negative spring connects a negative insulation slide block, the lower end of described negative insulation slide block
Connect a negative probe, described negative probe is resisted against on described negative electrode through described negative through hole, the upper end of described negative probe connects
There is negative lead, described negative lead is drawn through described negative perforation；
The inner upper end of described installation portion is provided with main controller, wireless communication module and power supply, described main controller and described nothing
Line communication module, power supply, positive lead and negative lead electrical connection；
Positive passage and negative passage are offered on the side wall of described installation portion, described positive passage is just logical with the described 3rd
Hole connects, and described negative passage is connected with described 3rd negative through hole；The position of described positive passage is less than the described slide block that just insulating,
The position of described negative passage is less than described negative insulation slide block；
The lower end outside of described probe portion is coated with infrared absorbing film, and described infrared absorbing film is located at described thermal element
The periphery of part.
Further, the middle part of described installation portion has around the described installation portion convex edge of a week, below described convex edge
Installation portion is provided with external screw thread.
Further, described insulating part is ceramic member.
Further, described even temperature-sensitive element is critesistor.
Further, described probe portion adopts heat conduction carbon fibre material.
Beneficial effects of the present invention are：
The teletransmission ventilation type arrangement of temperature sensor of the present invention is simple, reasonable in design；The present invention adopts heat conduction carbon fiber material
Material, as probe portion, has the advantages that lightweight, corrosion-resistant, resistance to ablation, high rigidity, wear-resistant, high temperature resistant and low-temperature resistance embrittlement；
Temperature-sensitive element is fixed and can conduct heat by heat conductive silica gel, improves sensitivity and anti-seismic performance；Positive probe and negative probe
It is pressed together under the pressure of the spring on the anelectrode and negative electrode of temperature-sensitive element, when there is expanding with heat and contract with cold phenomenon in probe, spring
The pressure of probe and electrode can be adjusted at any time, realize reliable electrical connection；；When sensor internal because air pressure change in temperature change
When, can be taken a breath by passage, reduce the impact to insulation slide block and spring for the air pressure, improve the life-span of spring；Can be by
Temperature value Wireless transceiver to remote central control terminal, can remote monitoring, take measures in time, distribution that need not be loaded down with trivial details.
Brief description
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
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the installation portion mplifying structure schematic diagram of embodiment in Fig. 1；
Fig. 3 is the lower end mplifying structure schematic diagram of embodiment in Fig. 1.
Wherein：
1st, installation portion；2nd, probe portion；3rd, convex edge；4th, external screw thread；5th, temperature-sensitive element；6th, anelectrode；7th, negative electrode；8th, insulate
Part；9th, the first positive through hole；10th, the first negative through hole；11st, heat conductive silica gel；12nd, the second positive through hole；13rd, the second negative through hole；14th, the 3rd
Positive through hole；15th, the 3rd negative through hole；16th, positive fixture；17th, positive punch；18th, positive spring；19th, just insulating slide block；20th, positive probe；
21st, positive lead；22nd, bear fixture；23rd, bear perforation；24th, bear spring；25th, bear insulation slide block；26th, bear probe；27th, negative lead；
28th, infrared absorbing film；29th, main controller；30th, wireless communication module；31st, power supply；32nd, positive passage；33rd, bear passage.
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 description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
As shown in Figure 1-Figure 3, the teletransmission ventilation type temperature sensor in the present embodiment, including housing, described housing is divided into
The installation portion 1 of upper end and the probe portion 2 of lower end；In the present embodiment, described housing is axisymmetric cylinder；Described installation portion 1
Middle part has around the described installation portion convex edge of 1 one weeks 3, and the installation portion 1 of described convex edge 3 lower section is provided with external screw thread 4；Described spy
Head 2 is lower end closed, the cylinder of upper end open, and the upper end of described probe portion 2 is connected to one with the lower end of described installation portion 1
Rise；When described probe portion 2 insertion determinand, described convex edge 3 is fastened on determinand surface, by external screw thread 4 spiral shell of installation portion 1
Close on the test object；Described probe portion 2 adopts heat conduction carbon fibre material, using heat conduction carbon fibre material as probe portion 2, has
The advantages of lightweight, corrosion-resistant, resistance to ablation, high rigidity, wear-resistant, high temperature resistant and low-temperature resistance embrittlement.
The inner side of described probe portion 2 has cavity, and cavity extends to lower end from the upper end of probe portion 2.Under described cavity
End is provided with temperature-sensitive element 5, and in the present embodiment, temperature-sensitive element 5 adopts critesistor, it would however also be possible to employ other temperature-sensitive elements 5.Institute
The top stating temperature-sensitive element 5 has anelectrode 6 and negative electrode 7；It is provided with insulating part 8 in the cavity of described temperature-sensitive element 5 top, this
In embodiment, insulating part 8 adopts ceramic member, specially one cylinder, and this cylinder just can be placed in described cavity；Should
Fitted with installation portion 1 in cylindrical upper end, lower end is located at the top of temperature-sensitive element 5；There is in described insulating part 8 first positive through hole
9 and the first negative through hole 10.
It is filled with heat conductive silica gel 11 in cavity around described temperature-sensitive element 5, in described heat conductive silica gel 11, just have second
Through hole 12 and the second negative through hole 13；Temperature-sensitive element 5 can be realized fixing by heat conductive silica gel 11, it is to avoid temperature-sensitive element 5 is given a shock
Shi Rongyi loosens, drops, and heat conductive silica gel 11 can also improve heat transfer efficiency simultaneously, improves sensitivity.
Described installation portion 1 has the 3rd positive through hole 14 and the 3rd negative through hole 15.
Described first positive through hole 9, the second positive through hole 12 and the 3rd positive through hole 14 connect into one and are located above described anelectrode 6
Positive through hole, described first negative through hole 10, the second negative through hole 13 and the 3rd negative through hole 15 connect into one be located at described negative electrode 7 on
The negative through hole of side.
It is provided with a positive fixture 16, described positive fixture 16 is fixed on described 3rd positive through hole in described 3rd positive through hole 14
In 14, described positive fixture 16 has a positive punch 17；The lower section of described positive fixture 16 is connected with a positive spring 18, described
The lower end of positive spring 18 connects one and is just insulating slide block 19, and the described slide block 19 that just insulating can slide along the described 3rd positive through hole 14, institute
The lower end stating the slide block 19 that just insulate connects a positive probe 20, and described positive probe 20 is resisted against described anelectrode through described positive through hole
On 6, then the upper end of positive probe 20 be fixed on described just insulating on slide block 19, the lower end of positive probe 20 is resisted against on anelectrode 6, institute
The upper end stating positive probe 20 is connected with positive lead 21, and described positive lead 21 is drawn through described positive punch 17.
It is provided with a negative fixture 22, described negative fixture 22 is fixed on described 3rd negative through hole in described 3rd negative through hole 15
In 15, described negative fixture 22 has a negative perforation 23；The lower section of described negative fixture 22 is connected with a negative spring 24, described
The lower end of negative spring 24 connects a negative insulation slide block 25, and described negative insulation slide block 25 can slide along the described 3rd negative through hole 15, institute
The lower end stating negative insulation slide block 25 connects a negative probe 26, and described negative probe 26 is resisted against described negative electrode through described negative through hole
On 7, then the upper end bearing probe 26 is fixed on described negative insulation slide block 25, and the lower end of negative probe 26 is resisted against on negative electrode 7, institute
The upper end stating negative probe 26 is connected with negative lead 27, and described negative lead 27 is through described negative perforation 23 extraction.
The inner upper end of described installation portion 1 is provided with main controller 29, wireless communication module 30 and power supply 31, described main controller 29
Electrically connect with described wireless communication module 30, power supply 31, positive lead 21 and negative lead 27.Temperature-sensitive element 5 is measured by main controller 29
To temperature variations be sent to remote central control room through wireless communication module 30.
Positive passage 32 and negative passage 33 offered on the side wall of described installation portion 1, described positive passage 32 with described
3rd positive through hole 14 connects, and described negative passage 33 is connected with the described 3rd negative through hole 15；The position of described positive passage 32 is low
In the described slide block 19 that just insulating, the position of described negative passage 33 is less than described negative insulation slide block 25.When sensor internal is because of temperature
When air pressure change in degree change, can be taken a breath by passage, reduce the impact to insulation slide block and spring for the air pressure, carry
The life-span of high spring.In order to avoid the impact of outer bound pair sensor, positive passage 32 and negative passage 33 are set to internal high, outer
The low inclined hole in portion.
The lower end outside of described probe portion 2 is coated with infrared absorbing film 28, and described infrared absorbing film 28 is located at described
The periphery of temperature-sensitive element 5.Described infrared absorbing film 28 can absorb the heat radiation of determinand transmitting, improves sensitivity, even if
When slight deviations in the position that probe portion 2 is laid, infrared absorbing film 28 still can absorb the heat radiation of determinand transmitting, real
Existing accurate measurement, reduces the requirement to installation accuracy.
During the present embodiment work, probe portion 2 is inserted in determinand, by the external screw thread 4 of installation portion 1 realize with to be measured
The fixation of thing, when fixing, described convex edge 3 is fastened on determinand surface, realizes the position-limiting action of vertical direction.Infrared absorbing film
28 absorption determinands radiation heat radiations and heat is passed sequentially through probe portion 2, heat conductive silica gel 11 passes to temperature-sensitive element 5, heat
Quick element 5 produces the change of the signal of telecommunication under temperature change, and positive probe 20 is passed through in the change of the signal of telecommunication and negative probe 26 passes to
Positive lead 21 and negative lead 27, then pass to remote central control room through main controller 29 and wireless communication module 30.When probe because
Temperature change occur expanding with heat and contract with cold phenomenon when, spring can adjust the pressure of probe and electrode at any time, realize reliable electrically connect, improve
The reliability of the present embodiment and sensitivity.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of teletransmission ventilation type temperature sensor it is characterised in that include housing, described housing be divided into upper end installation portion and
The probe portion of lower end；
The inner side of described probe portion has cavity, and the lower end of described cavity is provided with temperature-sensitive element, the top tool of described temperature-sensitive element
There are anelectrode and negative electrode；It is provided with insulating part in cavity above described temperature-sensitive element, have first in described insulating part just logical
Hole and the first negative through hole；
It is filled with heat conductive silica gel in cavity around described temperature-sensitive element, there is in described heat conductive silica gel the second positive through hole and second
Negative through hole；
Described installation portion has the 3rd positive through hole and the 3rd negative through hole；
Described first positive through hole, the second positive through hole and the 3rd positive through hole connect into a positive through hole above described anelectrode,
Described first negative through hole, the second negative through hole and the 3rd negative through hole connect into one and are located at the negative through hole above described negative electrode；
It is provided with a positive fixture in described 3rd positive through hole, described positive fixture has a positive punch；Described positive fixture
Lower section is connected with a positive spring, and the lower end of described positive spring connects one and just insulating slide block, and the lower end of the described slide block that just insulating connects
One positive probe, described positive probe is resisted against on described anelectrode through described positive through hole, and the upper end of described positive probe is just connected with
Lead, described positive lead is drawn through described positive punch；
It is provided with a negative fixture in described 3rd negative through hole, described negative fixture has a negative perforation；Described negative fixture
Lower section is connected with a negative spring, and the lower end of described negative spring connects a negative insulation slide block, and the lower end of described negative insulation slide block connects
One negative probe, described negative probe is resisted against on described negative electrode through described negative through hole, and the upper end of described negative probe is connected with negative
Lead, described negative lead is drawn through described negative perforation；
The inner upper end of described installation portion is provided with main controller, wireless communication module and power supply, described main controller and described channel radio
Letter module, power supply, positive lead and negative lead electrical connection；
Positive passage and negative passage are offered on the side wall of described installation portion, described positive passage is with the described 3rd positive through hole even
Logical, described negative passage is connected with described 3rd negative through hole；The position of described positive passage is less than the described slide block that just insulating, described
The position of negative passage is less than described negative insulation slide block；
The lower end outside of described probe portion is coated with infrared absorbing film, and described infrared absorbing film is located at described temperature-sensitive element
Periphery.
2. teletransmission ventilation type temperature sensor as claimed in claim 1 is it is characterised in that the middle part of described installation portion has encloses
Around the described installation portion convex edge of a week, the installation portion below described convex edge is provided with external screw thread.
3. teletransmission ventilation type temperature sensor as claimed in claim 2 is it is characterised in that described insulating part is ceramic member.
4. teletransmission ventilation type temperature sensor as claimed in claim 3 is it is characterised in that described even temperature-sensitive element is temperature-sensitive electricity
Resistance.
5. teletransmission ventilation type temperature sensor as claimed in claim 4 is it is characterised in that described probe portion adopts heat conduction carbon fine
Dimension material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036369.3A CN106482857B (en) | 2016-11-22 | 2016-11-22 | Teletransmission permeability type temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036369.3A CN106482857B (en) | 2016-11-22 | 2016-11-22 | Teletransmission permeability type temperature sensor |
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| CN106482857A true CN106482857A (en) | 2017-03-08 |
| CN106482857B CN106482857B (en) | 2019-09-20 |
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| CN201611036369.3A Active CN106482857B (en) | 2016-11-22 | 2016-11-22 | Teletransmission permeability type temperature sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099276A (en) * | 2017-05-14 | 2017-08-29 | 佛山市顺德区凯格电子实业有限公司 | A kind of soft Heat Conduction Material of heatproof and the temperature sensor for being enclosed with the material |
| CN107966218A (en) * | 2017-11-22 | 2018-04-27 | 邓岚 | A kind of thermal resistance shock-absorbing anti-drop structure for electrical quantity sensor |
| CN108645527A (en) * | 2018-05-15 | 2018-10-12 | 安徽天卓信息技术有限公司 | A kind of heat safe temperature sensor |
| CN111103064A (en) * | 2019-11-26 | 2020-05-05 | 惠州嘉科实业有限公司 | Temperature sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099276A (en) * | 2017-05-14 | 2017-08-29 | 佛山市顺德区凯格电子实业有限公司 | A kind of soft Heat Conduction Material of heatproof and the temperature sensor for being enclosed with the material |
| CN107966218A (en) * | 2017-11-22 | 2018-04-27 | 邓岚 | A kind of thermal resistance shock-absorbing anti-drop structure for electrical quantity sensor |
| CN108645527A (en) * | 2018-05-15 | 2018-10-12 | 安徽天卓信息技术有限公司 | A kind of heat safe temperature sensor |
| CN108645527B (en) * | 2018-05-15 | 2020-11-10 | 安徽赛安安全技术有限公司 | High temperature resistant temperature sensor |
| CN111103064A (en) * | 2019-11-26 | 2020-05-05 | 惠州嘉科实业有限公司 | Temperature sensor |
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| Publication number | Publication date |
|---|---|
| CN106482857B (en) | 2019-09-20 |
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Effective date of registration: 20201109 Address after: No.008 Zijing Avenue, Chahe Industrial Park, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Yikun Medical Technology Co.,Ltd. Address before: 230000 Anhui, Hefei province by the opening of Peach Industrial Park Road, No. 8 Patentee before: HEFEI SHUSHI INDUSTRY AND TRADE Co.,Ltd. |
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