CN206683783U - Dual control temperature protection type temperature sensor - Google Patents

Dual control temperature protection type temperature sensor Download PDF

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Publication number
CN206683783U
CN206683783U CN201720371620.5U CN201720371620U CN206683783U CN 206683783 U CN206683783 U CN 206683783U CN 201720371620 U CN201720371620 U CN 201720371620U CN 206683783 U CN206683783 U CN 206683783U
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CN
China
Prior art keywords
thermometric
temperature
seat
sensitive element
wire
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.)
Expired - Fee Related
Application number
CN201720371620.5U
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Chinese (zh)
Inventor
苗祥魁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Keymet Sensor Co Ltd
Original Assignee
Hangzhou Keymet Sensor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Keymet Sensor Co Ltd filed Critical Hangzhou Keymet Sensor Co Ltd
Priority to CN201720371620.5U priority Critical patent/CN206683783U/en
Application granted granted Critical
Publication of CN206683783U publication Critical patent/CN206683783U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of dual control temperature protection type temperature sensor; including thermometric seat; described thermometric seat is provided with two temperature-sensitive elements; wire is connected with described temperature-sensitive element; described wire extends through thermometric seat and to the outside of thermometric seat; described thermometric seat is provided with the thermometric cap for sealing temperature-sensitive element, heat conductive isolation sheet is provided between described temperature-sensitive element and thermometric cap, described heat conductive isolation sheet is arranged in thermometric seat.The utility model has two temperature-sensitive elements, can carry out dual monitoring to measured object, two temperature-sensitives can mutually monitor compensation, it is possible to achieve more smart metastable thermometric effect.

Description

Dual control temperature protection type temperature sensor
Technical field
The utility model belongs to temperature sensor technology field, more particularly, to a kind of dual control temperature protection type TEMP Device.
Background technology
Thermal resistor is one kind of sensing element, according to temperature coefficient difference be divided into positive temperature coefficient thermistor and Negative temperature coefficient thermistor.Core component in temperature sensor is thermal resistor, and existing temperature sensor should It is extremely wide with field, wherein just including the temperature sensor being installed in electric cooker, pressure cooker, electromagnetic oven.Traditional is above-mentioned Temperature sensor in device only has single temperature-sensitive element, and dual monitoring can not be carried out to object to be detected, can not be realized Mutual monitoring compensation between temperature sensor, thermometric effect is poor, and temperature measurement accuracy is relatively low.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of dual control temperature protection type temperature sensor, has two Individual temperature-sensitive element, dual monitoring can be carried out to measured object, two temperature-sensitives can mutually monitor compensation, it is possible to achieve more precisely steady Fixed thermometric effect.
To reach above-mentioned purpose, the utility model employs following technical proposal:This dual control temperature protection type temperature sensor, Including thermometric seat, described thermometric seat is provided with two temperature-sensitive elements, is connected with wire on described temperature-sensitive element, described leads Line extends through thermometric seat and to the outside of thermometric seat, and described thermometric seat is provided with the thermometric cap for sealing temperature-sensitive element, institute Heat conductive isolation sheet is provided between the temperature-sensitive element and thermometric cap stated, described heat conductive isolation sheet is arranged in thermometric seat.
Preferably, described thermometric seat includes cylindricality thermometric end, two use being provided with described cylindricality thermometric end In the groove of fixed temperature-sensitive element, described heat conductive isolation sheet is covered on the top of groove and then temperature-sensitive element is fixed on into thermometric In seat.
Preferably, the both ends of described temperature-sensitive element are connected to wire, on the thermometric seat at described groove both ends The through hole walked for wire is offered respectively.
Preferably, described thermometric cap open at one end, other end sealing, described thermometric calotte are set and cylindricality thermometric end In portion.
Preferably, described thermometric seat also includes the connect cover for being connected to cylindricality thermometric end subordinate end, described connection The lead passed through for wire is provided with cover.
Preferably, being arranged with floating spring outside described wire, described floating spring one end is connected with connect cover.
Compared with prior art, the utility model has the advantage of:Temperature sensor has two temperature-sensitive elements, can be with Dual monitoring is carried out to measured object, two temperature-sensitives can mutually monitor compensation, it is possible to achieve more smart metastable thermometric effect.It is logical Cross thermometric seat, heat conductive isolation sheet, thermometric cap to be sealed temperature-sensitive element, there is the advantages of high insulation resistance, high proof voltage, energy Enough so that temperature sensor carries out safety temperature-measuring at high temperature, there is good working stability performance.
Brief description of the drawings
Fig. 1 is the structure chart of dual control temperature protection type temperature sensor provided by the utility model.
Fig. 2 is the top view of thermometric seat provided by the utility model.
Fig. 3 is the face upwarding stereogram of thermometric seat provided by the utility model.
In figure, thermometric seat 1, temperature-sensitive element 2, wire 3, thermometric cap 4, heat conductive isolation sheet 5, cylindricality thermometric end 6, groove 7, Through hole 8, connect cover 9, lead 10, floating spring 11.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, this programme includes thermometric seat 1, and thermometric seat 1 is by aluminium, ceramics, plastic or other material system Into thermometric seat 1 is provided with two temperature-sensitive elements 2, and thermometric seat is used to fix, encapsulate, protect temperature-sensitive element, connected on temperature-sensitive element 2 Wire 3 is connected to, wire 3 extends through thermometric seat 1 and to the outside of thermometric seat 1, and thermometric seat 1 is provided with and seals temperature-sensitive element 2 Thermometric cap 4, thermometric cap 4 contacts with testee and then transfers heat to temperature-sensitive element 2, and thermometric cap 4 is by ceramics, silicon rubber Glue, plastic or other material are made, and heat conductive isolation sheet 5 is provided between temperature-sensitive element 2 and thermometric cap 4, and heat conductive isolation sheet 5 is arranged at thermometric In seat 1, heat conductive isolation sheet 5 can quickly transfer heat on temperature-sensitive element 2 and can play insulation protection to temperature-sensitive element 2 Effect, heat conductive isolation sheet 5 are made up of ceramics, heat-conducting silicon rubber, Teflon etc..This programme, can be with using double temperature-sensitive element thermometrics Dual monitoring is carried out to measured object, two temperature-sensitive elements can mutually monitor compensation, it is possible to achieve more smart metastable thermometric effect Fruit.
Specifically, thermometric seat 1 includes cylindricality thermometric end 6, and two are provided with cylindricality thermometric end 6 and is used to fix temperature-sensitive The groove 7 of element 2, heat conductive isolation sheet 5 is covered on the top of groove 7 and then temperature-sensitive element 2 is fixed in thermometric seat 1, above-mentioned Structure can improve the mounting stability of temperature-sensitive element 2, prevent temperature-sensitive element from occurring rocking or shifting in use, carry The high accuracy of detection of sensor.
The both ends of temperature-sensitive element 2 are connected to wire 3, are offered respectively for wire 3 on the thermometric seat 1 at the both ends of groove 7 The through hole 8 walked, thermometric seat 1 also include the connect cover 9 for being connected to the lower end of cylindricality thermometric end 6, are provided with connect cover 9 and supply wire The lead 10 passed through, the above-mentioned structure of through hole 8 run through lead 10, and said structure can prevent what is be connected with temperature-sensitive element Wire rocks, and can effectively prevent the junction of wire and temperature-sensitive element from causing both to take off due to bending excessively Fall, improve the service life and working stability performance of temperature sensor.
The open at one end of thermometric cap 4, other end sealing, the cover of thermometric cap 4 set with cylindricality thermometric end 6, thermometric cap 4 with it is tested Object contacts and then transfers heat to temperature-sensitive element 2.Floating spring 11, the one end of floating spring 11 and company are arranged with outside wire 3 Cover 9 is connect to be connected, the main function of floating spring 11 be the whole temperature sensor that can allow within the specific limits on float downward It is dynamic, it is ensured that the thermometric cap on pot courage and temperature sensor can be contacted preferably, improve the precision of conduction thermometric.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although thermometric seat 1, temperature-sensitive element 2, wire 3, heat conductive isolation sheet 5, cylindricality thermometric end have more been used herein 6th, the term such as groove 7, through hole 8, connect cover 9, lead 10, floating spring 11, but it is not precluded from the possibility using other terms Property.Using these terms just for the sake of more easily describing and explaining essence of the present utility model, it is construed as any A kind of additional limitation is all disagreed with the utility model spirit.

Claims (6)

1. a kind of dual control temperature protection type temperature sensor, including thermometric seat (1), described thermometric seat (1) is provided with two temperature-sensitives Element (2), it is characterised in that wire (3) is connected with described temperature-sensitive element (2), described wire (3) passes through thermometric seat (1) and to the outside of thermometric seat (1) extending, described thermometric seat (1) is provided with the thermometric cap (4) for sealing temperature-sensitive element (2), Heat conductive isolation sheet (5) is provided between described temperature-sensitive element (2) and thermometric cap (4), described heat conductive isolation sheet (5) is arranged at survey In warm seat (1).
2. dual control temperature protection type temperature sensor according to claim 1, it is characterised in that:Described thermometric seat (1) bag Cylindricality thermometric end (6) is included, two grooves for being used to fix temperature-sensitive element (2) are provided with described cylindricality thermometric end (6) (7), described heat conductive isolation sheet (5) is covered on the top of groove (7) and then temperature-sensitive element (2) is fixed in thermometric seat (1).
3. dual control temperature protection type temperature sensor according to claim 2, it is characterised in that:Described temperature-sensitive element (2) Both ends be connected to wire (3), offer on the thermometric seat (1) at described groove (7) both ends and walked for wire (3) respectively Through hole (8).
4. dual control temperature protection type temperature sensor according to claim 2, it is characterised in that:Described thermometric cap (4) one End open wide, the other end sealing, described thermometric cap (4) cover set with cylindricality thermometric end (6).
5. dual control temperature protection type temperature sensor according to claim 2, it is characterised in that:Described thermometric seat (1) is also Connect cover (9) including being connected to cylindricality thermometric end (6) lower end, interior be provided with of described connect cover (9) are led for what wire passed through To post (10).
6. dual control temperature protection type temperature sensor according to claim 5, it is characterised in that:Described wire (3) overcoat Provided with floating spring (11), described floating spring (11) one end is connected with connect cover (9).
CN201720371620.5U 2017-04-11 2017-04-11 Dual control temperature protection type temperature sensor Expired - Fee Related CN206683783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720371620.5U CN206683783U (en) 2017-04-11 2017-04-11 Dual control temperature protection type temperature sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720371620.5U CN206683783U (en) 2017-04-11 2017-04-11 Dual control temperature protection type temperature sensor

Publications (1)

Publication Number Publication Date
CN206683783U true CN206683783U (en) 2017-11-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720371620.5U Expired - Fee Related CN206683783U (en) 2017-04-11 2017-04-11 Dual control temperature protection type temperature sensor

Country Status (1)

Country Link
CN (1) CN206683783U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110595636A (en) * 2019-08-21 2019-12-20 武汉中极氢能产业创新中心有限公司 Temperature difference monitoring device
CN113833984A (en) * 2021-08-30 2021-12-24 国网江苏省电力有限公司检修分公司 Three-phase liquid SF6 gasification evaporation device and multiple temperature control protection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110595636A (en) * 2019-08-21 2019-12-20 武汉中极氢能产业创新中心有限公司 Temperature difference monitoring device
CN113833984A (en) * 2021-08-30 2021-12-24 国网江苏省电力有限公司检修分公司 Three-phase liquid SF6 gasification evaporation device and multiple temperature control protection method

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Granted publication date: 20171128