CN206161183U - A temperature sensor for automobile engine - Google Patents
A temperature sensor for automobile engine Download PDFInfo
- Publication number
- CN206161183U CN206161183U CN201621185821.8U CN201621185821U CN206161183U CN 206161183 U CN206161183 U CN 206161183U CN 201621185821 U CN201621185821 U CN 201621185821U CN 206161183 U CN206161183 U CN 206161183U
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- China
- Prior art keywords
- temperature sensor
- automobile engine
- temperature
- contact pin
- accommodating cavity
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Abstract
The utility model discloses a temperature sensor for automobile engine, including the casing, the inside holding chamber of having seted up of this casing, the holding intracavity is equipped with temperature -sensing element and contact pin subassembly, the temperature -sensing element comprises with the plain conductor of welding on the NTC thermistor substrate the NTC thermistor substrate, wherein plain conductor and the welding of contact pin subassembly. The utility model has the advantages of simple structure, the leakproofness is good, insulating properties is high, high temperature resistant, shock resistance, moisture -proof heat, with low costs, its reaction time is fast, the response rapidly, stability good with and can fine protective apparatus, not only have the advantage of sensor commonly used, possessed waterproofly simultaneously again, the high temperature resistance demand improves reliability of an item, durability greatly, the performance reaches the world level.
Description
Technical field
The utility model is related to sensitive components technical field, more particularly to a kind of TEMP for automobile engine
Device.
Background technology
Temperature is one of seven big physical quantitys.(NTC is Negative Temperature to NTC thermistor
The abbreviation of Coefficient, NTC thermistor is exactly negative tempperature coefficient thermistor) it is a kind of thermally sensitive semiconductor
Ceramic component, with reaction is fast, high precision, good stability, low cost the characteristics of, be widely used in all kinds of fields relevant with temperature
Close.Common packaged type has epoxy resin enclosed, SMD encapsulation, diode package, single-ended glass-encapsulated, thin-film thermistor
Deng.
In automobile engine, because the temperature of cylinder body is 180 degree～240 degree or so, engine colds and heat succeed each other for a long time work
Make, and be chronically at damp and hot, dust, under the adverse circumstances of vibrations, this temperature sensor for being accomplished by engine just must possess
High temperature resistant, vibration resistance, wet-heat resisting, the characteristics of easy to install, and market get on the car engine temperature sensor be substantially with temperature-sensitive
The pattern that the metal pins and contact pin of resistance are connected using metal solder joints making, in the use of temperature sensor, easily
Depart from metal pins and contact pin, cause sensor fault, directly affect product quality.
Utility model content
The utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality
It is that a kind of temperature sensor for automobile engine is provided with new main purpose, it is intended to improve the steady of temperature sensor
It is qualitative.
For achieving the above object, the utility model provides a kind of temperature sensor for automobile engine, including housing,
The enclosure interior offers accommodating cavity, and temperature-sensing element and contact pin component are provided with the accommodating cavity；The temperature-sensing element is warm by NTC
Quick resistance substrate and the plain conductor composition being welded on NTC thermistor substrate, wherein plain conductor is welded with contact pin component.
Preferably, accommodating cavity one end closing of the enclosure interior, the blind end is provided with temperature-sensing element；The accommodating cavity other end
For openend, wherein accommodating cavity openend openend is provided with contact pin component.
Preferably, the NTC thermistor substrate outside is packaged with glass glazings, and the glass glazings extend and coated metal
Wire.
Preferably, the contact pin component is made up of plastic and the contact pin being fixed on plastic.
Preferably, annular groove is offered on the wall of the plastic side, in the annular groove sealing ring is provided with.
Preferably, filled with flexible silica gel in the accommodating cavity.
Preferably, the housing is provided with an arc fastener, and the arc fastener to accommodating cavity openend extends.
Preferably, the NTC thermistor substrate is rectangle, and the thickness of the NTC thermistor substrate is 200～500 μm,
Length is 300～700 μm, and width is 300～700 μm.
Preferably, the glass glazings are clear glass, and its thickness is 1300～2000 μm, and length is 2000～4000 μ
m。
The utility model has simple structure, good airproof performance, insulating properties height, high temperature resistant, vibration resistance, wet-heat resisting, cost
Low advantage, its reaction time is fast, and response is rapid, good stability and its can protection equipment well, not only with conventional
The advantage of sensor, while but also with waterproof, resistant to elevated temperatures demand, greatly improving reliability, the durability of product, performance reaches
To world level.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, other accompanying drawings can be obtained with the structure according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Drawing reference numeral explanation：
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc., such as
When really the particular pose changes, then directionality indicates also correspondingly to change therewith.
In the utility model such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In description of the present utility model, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected, or be detachably connected, or integral；Can be mechanically connected, also may be used
Be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals
Or the interaction relationship of two elements, unless otherwise clearly restriction.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, the technical scheme between the utility model each embodiment can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or cannot realize
The combination of this technical scheme is not present, also not within the protection domain that the utility model is required.
The utility model proposes a kind of temperature sensor for automobile engine.
Fig. 1, a kind of temperature sensor for automobile engine, including housing 10 are refer to, is opened up inside the housing 10
There is accommodating cavity 20, the closing of the one end of housing 10 is provided with an arc fastener 102 for stretching out at one end open, wherein shell nozzle；
Temperature-sensing element 30 and contact pin component 40 are provided with accommodating cavity 20, the accommodating cavity 20 inside housing 10 is filled with flexible silica gel 50, its
The one end of middle accommodating cavity 20 is to be provided with temperature-sensing element 30 in blind end 201, the accommodating cavity blind end 201；The other end of accommodating cavity 20 is
Openend 202, at the openend 202 contact pin component 40 is provided with；Temperature-sensing element 30 is by NTC thermistor substrate 301 and is welded on
Plain conductor 302 on NTC thermistor substrate 301 is constituted, and wherein plain conductor 302 is welded with contact pin component 40；Pin groups
Part 40 is made up of plastic 401 and the contact pin 402 being fixed on plastic 401；Wherein offer annular on plastic the first side wall 4011
Groove (not shown), is provided with sealing ring 60 in the annular groove.
In the utility model, housing 10 is made up of resistant to elevated temperatures metal material, including gold, silver, copper, tungsten, molybdenum, tantalum, niobium,
The refractory metals such as vanadium, chromium, titanium, zirconium, the accommodating cavity 20 that the inside of housing 10 is arranged is stepped, wherein accommodating cavity openend 202
With diameter greater than the diameter of accommodating cavity blind end 201；NTC thermistor substrate 301 be by manganese, cobalt, nickel, iron, aluminium, zinc, copper,
The oxide of lanthanum, tin etc., Jing ball milling mixings, pre-burning, then refine, it is molded, sintering, the NTC ceramic substrate that slicing process makes, its
Thickness can be selected according to the electrical property of product；Plain conductor 302 is platinum filament, spun gold, nickel wire or Dumet wire etc.；The material of plastic 401
Matter adds glass for nylon, its heatproof can more than 250 DEG C glass content 20%～45%, the diameter of the plastic 401 with hold
The opening diameter for putting chamber openend 202 is suitable；The material of sealing ring 60 is silicon rubber or polytetrafluoroethylene (PTFE), heatproof at 250 DEG C, wherein
The colloid of sealing ring 60 with diameter greater than annular groove on plastic 401 diameter so that being formed between sealing ring 60 and plastic 401
It is full of cooperation.
The outside of NTC thermistor substrate 301 is packaged with glass glazings 303, and the glass glazings 303 extend and coated metal is led
Line 302；NTC thermistor substrate 301 is rectangle, and the thickness of the NTC thermistor substrate 301 is 200～500 μm, and length is
300～700 μm, width is 300～700 μm；Glass glazings 303 are clear glass, and its thickness is 1300～2000 μm, and length is
2000～4000 μm.Glass glazings 303 are resistance material, and its Main Ingredients and Appearance is magnesia (magnesium oxide), is commonly called as：
Magnesia, lamp powder, magnesia usta；Glass glazings feature is high brightness, high antibacterial, high self-cleaning, high waterproof.NTC thermistor substrate 301
Encapsulated by glass glazings 303 with plain conductor 302, wherein the package length of glass glazings 303 need to be according to temperature sensor needs
To determine.
In the utility model, by electric welding equipment by the plain conductor 302 on temperature-sensing element 30 and contact pin component 40
Contact pin 402 welds together, and the temperature-sensing element 30 being welded and contact pin component 40 are together placed on into the accommodating cavity 20 of housing 10
It is interior；Because accommodating cavity 20 it is stepped, and accommodating cavity 20 the size of openend 202 and plastic 401 diameter quite so that plastic
401 are just stuck at accommodating cavity openend 202；Plastic the first side wall 4011 is provided with sealing ring 60, the sealing ring 60 and housing
First inwall 102 is contacted, so that an annular seal space is formed between the blind end 201 and plastic 401 of accommodating cavity 20, and it is close at this
Envelope fills high-temperature-resistant flexible silica gel 50 in chamber, and the flexible silica gel 50 greatly improves temperature-sensitive mainly for the protection of temperature-sensing element 30
The shock resistance of element 30；The arc fastener 101 of shell end will be arranged on into accommodating cavity openend 201 by cold-press process
Plastic second sidewall 4012 is extruded, so that the crush seal circle 60 of plastic 401 so as to which sealing ring 60 is close to the inwall of housing first
102, arc fastener 101 presses in plastic second sidewall 4012, so as to by temperature-sensing element 30, contact pin component 40 and housing 10 firmly
It is fixedly connected.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of temperature sensor for automobile engine, including housing, the enclosure interior offers accommodating cavity, described accommodating
Temperature-sensing element and contact pin component are provided with chamber；Characterized in that, the temperature-sensing element is by NTC thermistor substrate and is welded on
Plain conductor composition on NTC thermistor substrate, wherein plain conductor are welded with contact pin component.
2. the temperature sensor for automobile engine according to claim 1, it is characterised in that the enclosure interior
Accommodating cavity one end is blind end, and the blind end is provided with temperature-sensing element；The accommodating cavity other end is openend, wherein accommodating cavity openend
It is provided with contact pin component.
3. the temperature sensor for automobile engine according to claim 1, it is characterised in that the NTC temperature-sensitives electricity
Resistance substrate outside is packaged with glass glazings, and the glass glazings extend and coated metal wire.
4. the temperature sensor for automobile engine according to claim 1, it is characterised in that the contact pin component by
Plastic and the contact pin composition being fixed on plastic.
5. the temperature sensor for automobile engine according to claim 4, it is characterised in that on the wall of the plastic side
Annular groove is offered, in the annular groove sealing ring is provided with.
6. the temperature sensor for automobile engine according to claim 2, it is characterised in that fill out in the accommodating cavity
Filled with flexible silica gel.
7. the temperature sensor for automobile engine according to claim 1, it is characterised in that the housing is provided with
One arc fastener, the arc fastener to accommodating cavity openend extends.
8. the temperature sensor for automobile engine according to claim 1, it is characterised in that the NTC temperature-sensitives electricity
Resistance substrate is rectangle, and the thickness of the NTC thermistor substrate is 200～500 μm, and length is 300～700 μm, width is 300～
700μm。
9. the temperature sensor for automobile engine according to claim 3, it is characterised in that the glass glazings are
Clear glass, its thickness is 1300～2000 μm, and length is 2000～4000 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621185821.8U CN206161183U (en) | 2016-11-04 | 2016-11-04 | A temperature sensor for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621185821.8U CN206161183U (en) | 2016-11-04 | 2016-11-04 | A temperature sensor for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161183U true CN206161183U (en) | 2017-05-10 |
Family
ID=58657411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621185821.8U Active CN206161183U (en) | 2016-11-04 | 2016-11-04 | A temperature sensor for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161183U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103064A (en) * | 2019-11-26 | 2020-05-05 | 惠州嘉科实业有限公司 | Temperature sensor |
| CN112074715A (en) * | 2018-05-09 | 2020-12-11 | 恩德莱斯+豪瑟尔韦泽尔有限商业两合公司 | Measuring insert with protective tube |
-
2016
- 2016-11-04 CN CN201621185821.8U patent/CN206161183U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074715A (en) * | 2018-05-09 | 2020-12-11 | 恩德莱斯+豪瑟尔韦泽尔有限商业两合公司 | Measuring insert with protective tube |
| US11913840B2 (en) | 2018-05-09 | 2024-02-27 | Endress+Hauser Wetzer Gmbh+Co. Kg | Measuring insert having a protective tube |
| CN111103064A (en) * | 2019-11-26 | 2020-05-05 | 惠州嘉科实业有限公司 | Temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201231 Address after: 518000 601, 105-21 huanguan South Road, Guancheng community, Guanhu street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen tepusheng Technology Co.,Ltd. Address before: 518110 6th floor, 105-11 huanguan South Road, Guanlan Dahe community, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TEMP-SEN SENSOR Co.,Ltd. |