CN205192648U - A temperature sensor for electric oven - Google Patents
A temperature sensor for electric oven Download PDFInfo
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- CN205192648U CN205192648U CN201520977336.3U CN201520977336U CN205192648U CN 205192648 U CN205192648 U CN 205192648U CN 201520977336 U CN201520977336 U CN 201520977336U CN 205192648 U CN205192648 U CN 205192648U
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- electric oven
- thermistor
- temperature sensor
- core wire
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Abstract
The utility model provides a temperature sensor for electric oven, including thermistor, metal casing, single heart yearn material, the multicore wire rod, the terminal, a connector, the copper strips, the heat shrinkage bush, epoxy, single heart yearn material one end links together with the thermistor pin, single heart yearn material other end links together through copper strips and multicore wire rod one end, the multicore wire rod other end is connected with the terminal, the terminal is inserted in the connector, the heat shrinkage bush has been registrated to the copper strips junction, the heat shrinkage bush has been registrated at multicore wire rod middle part, it is downthehole that metal casing is arranged in to the thermistor sound end, and encapsulate with epoxy, the utility model has the advantages of simple structure, superior performance, operating temperature are high, the accurate sensitivity of temperature sensing, and thermal response time is fast, and the leakproofness is good, and dampproofing and waterproofing belongs to the shell and is not equipped with the screw in the through -hole upper end, and thermistor still has physics chemical stability, and long -term reproducibility is good, advantage that measurement accuracy is high.
Description
Technical field
The utility model relates to a kind of temperature sensor, particularly relates to a kind of temperature sensor for electric oven.
Background technology
In temperature sensor used in family expenses and commercial electric oven in the market, thermistor ambient operating temperature in the temperature-sensitive shell of front end is not high, after continuing to bear the high-temperature baking of electric oven for a long time, long-time stability are bad, temperature measurement accuracy is forbidden, temperature drift, can not the actual temperature of entirely true induction institute cooking food, in addition, temperature sensor wire rod used working temperature is not high, continue for a long time to bear electric oven high-temperature baking, there will be the variable color of wire rod exterior cover sheets, hardening, become fragile, damaged, come off, and then cause the insulation protection effect of wire rod used to be lost efficacy, even cause electric oven can not correct temperature-sensitive, operation irregularity, the serious phenomenon such as break down.
Utility model content
The purpose of this utility model is to solve in temperature sensor used in family expenses and commercial electric oven in the market, thermistor ambient operating temperature in the temperature-sensitive shell of front end is not high, after continuing to bear the high-temperature baking of electric oven for a long time, long-time stability are bad, temperature measurement accuracy is forbidden, temperature drift, can not the actual temperature of entirely true induction institute cooking food, in addition, temperature sensor wire rod used working temperature is not high, continue for a long time to bear electric oven high-temperature baking, there will be the variable color of wire rod exterior cover sheets, hardening, become fragile, damaged, come off, and then cause the insulation protection effect of wire rod used to be lost efficacy, even cause electric oven can not correct temperature-sensitive, operation irregularity, the deficiency of serious phenomenon such as to break down and a kind of novel temperature sensor for electric oven provided.
The utility model is achieved through the following technical solutions: a kind of temperature sensor for electric oven,
Comprise thermistor, metal shell, single-core wire, Multi-core wire, terminal, connector, copper strips, heat-shrinkable T bush, epoxy resin, described single-core wire one end and described thermistor pin link together, the described single-core wire other end is linked together by copper strips and described Multi-core wire one end, the described Multi-core wire other end is connected with described terminal, described terminal is inserted in described connector, described copper strips junction is sheathed with heat-shrinkable T bush, heat-shrinkable T bush is sheathed with in the middle part of described Multi-core wire, described thermistor probe end is placed in described metal shell hole, and encapsulate with described epoxy resin.
Further, described thermistor is negative tempperature coefficient thermistor, and described thermistor is PT1000
Platinum resistance, described thermistor is high temperature resistant reaches 550 ° of C.
Further, described metal shell material is stainless steel, and profile is rectangular parallelepiped, rectangular in described rectangular parallelepiped
One end, shape surface is provided with a through hole, and in described rectangular parallelepiped, square surface one end is provided with the blind hole of a certain depth, and blind hole upper end is provided with screw thread.
Further, described single-core wire is high temperature resistant wire rod, heatproof 450 ° of C, and core wires outside adopts
White double braid fiber is protected.
Further, described Multi-core wire is glass wire, heatproof 200 ° of C, and core wires outside adopts white
Look insulating sheath and glass fibre bilayer are protected.
Further, described terminal material is brass, and described terminal surfaces carries out Nickel Plating Treatment.
Further, described connector material is white Nylon.
Further, described heat-shrinkable T bush material is white polyolefin resin.
Further, described epoxy resin is white high temperature resistant electronic paint, heatproof 450 ° of C.
During use, the through hole on temperature sensor metal shell is fixed on the temperature-sensitive portion of electric oven by securing member
Position, the other end is connected with the intrinsic connector in electric oven, high temperature (260 DEG C continue 25 hours) baking and interim superhigh temperature (450 ° of C) baking, the metal shell (comprising the thermistor in metal shell blind hole) being in electric oven high-temperature area is acidproof, alkaline-resisting, oil resistant, resistance to chemical attack, good airproof performance, waterproof and dampproof, stable performance, working properly, be in the single-core wire nondiscolouring of electric oven high-temperature area, not hardening, do not become fragile, not come off, not damaged.Be in the material nondiscolourings such as the Multi-core wire of other temperature provinces of electric oven, heat-shrinkable T bush and connector, not hardening, do not become fragile, do not come off, not damaged, the temperature sensor overall performance after high-temperature baking is stablized, and reliability is high, long service life.
The beneficial effects of the utility model are: structure is simple, the high (sensor of superior performance, working temperature
Metal shell and front end single-core wire ability 450 ° of C high temperature), temperature-sensitive is accurately sensitive, and thermal response time is fast, good airproof performance, waterproof and dampproof, in addition, metal shell blind hole upper end is provided with screw thread, and this version effectively can prevent the loosening of epoxy resin, displacement and coming off, ensure the globality of thermistor and metal shell, and then ensureing that temperature sensor heat sensitivity is high, temperature measurement accuracy is accurate, and thermal response time is fast.Heat-shrinkable T bush adopts excellent polyolefins resin material, Halogen, fire-retardant, environmental protection.The great advantage of negative tempperature coefficient thermistor is, maximum operating temperature is up to 550 ° of C, and thermistor also has physical and chemical performance and stablizes, and long-term repdocutbility is good, the advantage that measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is the arrangement of temperature sensor schematic diagram of the utility model for electric oven;
Reference numeral: 1, thermistor; 2, metal shell; 21, through hole; 22, screw thread; 3, Dan Xin
Wire rod; 4, Multi-core wire; 5, terminal; 6, connector; 7, copper strips; 8, heat-shrinkable T bush; 9, epoxy resin.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described further:
As shown in Figure 1, a kind of temperature sensor for electric oven, comprises thermistor 1, metal shell
2, single-core wire 3, Multi-core wire 4, terminal 5, connector 6, copper strips 7, heat-shrinkable T bush 8, epoxy resin 9, described single-core wire 3 one end and described thermistor 1 pin link together, described single-core wire 3 other end is linked together by copper strips 7 and described Multi-core wire 4 one end, described Multi-core wire 4 other end is connected with described terminal 5, described terminal 5 is inserted in described connector 6, described copper strips 7 junction is sheathed with heat-shrinkable T bush 8, heat-shrinkable T bush 8 is sheathed with in the middle part of described Multi-core wire 4, described thermistor 1 sound end is placed in described metal shell 2 hole, and encapsulate with described epoxy resin 9.
Preferably, described thermistor 1 is negative tempperature coefficient thermistor, and described thermistor 1 is PT1000
Platinum resistance, described thermistor 1 is high temperature resistant reaches 550 ° of C.
Preferably, described metal shell 2 material is stainless steel, and profile is rectangular parallelepiped, rectangular in described rectangular parallelepiped
One end, shape surface is provided with a through hole 21, and in described rectangular parallelepiped, square surface one end is provided with the blind hole of a certain depth, and blind hole upper end is provided with screw thread 22.
Preferably, described single-core wire 3 is high temperature resistant wire rod, heatproof 450 ° of C, and core wires outside adopts
White double braid fiber is protected.
Preferably, described Multi-core wire 4 is glass wire, heatproof 200 ° of C, and core wires outside adopts white
Look insulating sheath and glass fibre bilayer are protected.
Preferably, described terminal 5 material is brass, and Nickel Plating Treatment is carried out on described terminal 5 surface.
Preferably, described connector 6 material is white Nylon.
Preferably, described heat-shrinkable T bush 8 material is white polyolefin resin.
Preferably, described epoxy resin 9 is white high temperature resistant electronic paint, heatproof 450 ° of C.
During use, the through hole 21 on temperature sensor metal shell 2 is fixed on the sense of electric oven by securing member
Temperature position, the other end is connected with the intrinsic connector 6 in electric oven, high temperature (260 DEG C continue 25 hours) baking and interim superhigh temperature (450 ° of C) baking, the metal shell 1 (comprising the thermistor in metal shell blind hole) being in electric oven high-temperature area is acidproof, alkaline-resisting, oil resistant, resistance to chemical attack, good airproof performance, waterproof and dampproof, stable performance, working properly, be in single-core wire 3 nondiscolouring of electric oven high-temperature area, not hardening, do not become fragile, do not come off, not damaged, be in the Multi-core wire 4 of other temperature provinces of electric oven, the material nondiscolourings such as heat-shrinkable T bush 8 and connector 6, not hardening, do not become fragile, do not come off, not damaged, temperature sensor overall performance after high-temperature baking is stablized, reliability is high, long service life.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. the temperature sensor for electric oven, it is characterized in that: comprise thermistor, metal shell, single-core wire, Multi-core wire, terminal, connector, copper strips, heat-shrinkable T bush, epoxy resin, described single-core wire one end and described thermistor pin link together, the described single-core wire other end is linked together by copper strips and described Multi-core wire one end, the described Multi-core wire other end is connected with described terminal, described terminal is inserted in described connector, described copper strips junction is sheathed with heat-shrinkable T bush, heat-shrinkable T bush is sheathed with in the middle part of described Multi-core wire, described thermistor probe end is placed in described metal shell hole, and encapsulate with described epoxy resin.
2. the temperature sensor for electric oven according to claim 1, is characterized in that: described thermistor is negative tempperature coefficient thermistor, and described thermistor is PT1000 platinum resistance, and described thermistor is high temperature resistant reaches 550 ° of C.
3. the temperature sensor for electric oven according to claim 1, it is characterized in that: described metal shell material is stainless steel, profile is rectangular parallelepiped, in described rectangular parallelepiped, rectangular surfaces one end is provided with a through hole, in described rectangular parallelepiped, square surface one end is provided with the blind hole of a certain depth, and blind hole upper end is provided with screw thread.
4. the temperature sensor for electric oven according to claim 1, is characterized in that: described single-core wire is high temperature resistant wire rod, heatproof 450 ° of C, and core wires outside adopts white double braid fiber to protect.
5. the temperature sensor for electric oven according to claim 1, is characterized in that: described Multi-core wire is glass wire, heatproof 200 ° of C, and core wires outside adopts white insulating sheath and glass fibre bilayer to protect.
6. the temperature sensor for electric oven according to claim 1, is characterized in that: described terminal material is brass, and described terminal surfaces carries out Nickel Plating Treatment.
7. the temperature sensor for electric oven according to claim 1, is characterized in that: described connector material is white Nylon.
8. the temperature sensor for electric oven according to claim 1, is characterized in that: described heat-shrinkable T bush material is white polyolefin resin.
9. the temperature sensor for electric oven according to claim 1, is characterized in that: described epoxy resin is white high temperature resistant electronic paint, heatproof 450 ° of C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520977336.3U CN205192648U (en) | 2015-12-01 | 2015-12-01 | A temperature sensor for electric oven |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520977336.3U CN205192648U (en) | 2015-12-01 | 2015-12-01 | A temperature sensor for electric oven |
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CN205192648U true CN205192648U (en) | 2016-04-27 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106768451A (en) * | 2016-11-21 | 2017-05-31 | 孝感华工高理电子有限公司 | Hyperthermic temperature sensor is used in a kind of food contact |
CN107976262A (en) * | 2017-12-26 | 2018-05-01 | 苏州康姆普机械有限公司 | A kind of heat safe temperature sensor |
CN108507690A (en) * | 2018-07-05 | 2018-09-07 | 佛山市双阳电子有限公司 | Wireless thermometers |
-
2015
- 2015-12-01 CN CN201520977336.3U patent/CN205192648U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106768451A (en) * | 2016-11-21 | 2017-05-31 | 孝感华工高理电子有限公司 | Hyperthermic temperature sensor is used in a kind of food contact |
CN107976262A (en) * | 2017-12-26 | 2018-05-01 | 苏州康姆普机械有限公司 | A kind of heat safe temperature sensor |
CN108507690A (en) * | 2018-07-05 | 2018-09-07 | 佛山市双阳电子有限公司 | Wireless thermometers |
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