CN204085711U - Air conditioning for automobiles external temperature sensor - Google Patents
Air conditioning for automobiles external temperature sensor Download PDFInfo
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- CN204085711U CN204085711U CN201420486875.2U CN201420486875U CN204085711U CN 204085711 U CN204085711 U CN 204085711U CN 201420486875 U CN201420486875 U CN 201420486875U CN 204085711 U CN204085711 U CN 204085711U
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- air conditioning
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- connected structure
- external temperature
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Abstract
A kind of air conditioning for automobiles external temperature sensor, it comprises the electric connected structure of a housing being provided with bayonet socket, a sensing circuit, an impermeability waterproof washer, a band buckle.Described housing is engaged with the described buckle on described electric connected structure by the described bayonet socket of its afterbody to be installed.Described electric connected structure and described housing coupling part position are provided with described impermeability waterproof washer.Full conduction heat sealable resin glue is filled in described housing.Its advantage is: sensor sensing element is positioned at sensor temperature-sensitive and fills part, temperature signal is transmitted to electronic control unit by conduction heat sealable resin glue, and adopt first filling Post RDBMS packaging technology, effectively avoid injection moulding high temperature to damage the thermal stress of sensitive element; Fill conduction heat sealable resin glue simultaneously and to density of material, water-intake rate, thermal conductivity and stress intensity type selecting, then can design this product according to client to the requirement that outdoor sensor is more careful.
Description
Technical field
The utility model relates to the field of sensing technologies of air conditioning for automobiles outdoor sensor, specifically a kind of air conditioning for automobiles external temperature sensor.
Background technology
In recent years, people to the Research on Sensing of air conditioning for automobiles external temperature sensor progressively deeply, such sensor needs response speed and permanent reliable life faster, but is faced with again trend and pressure that the outer depot of Current Domestic progressively strictly controls cost every year.
The air conditioning for automobiles outdoor use sensor of prior art is adopt integrated through injection moldingization design substantially, then joins a fixing card in addition and install.The shortcoming of this design is; sensor body needs two molds to complete on the one hand; also need fixing card one set of die in addition; totally three molds; if add upper cover; likely need four covers; die cost is higher, and the construction cycle is long, on the other hand; integrated injection moulding needs connecting sensor sensitive element with external mold together injection mo(u)lding; and in forming process, more than 260 degree injection moulding high temperature have certain stress damage to sensor sensing element, and resistance of sensor usually can be brought to drift about; directly cause product thermometric to be forbidden, cause client to complain.More than 260 degree injection moulding high temperature are also comparatively large to the damage of welding position, can cause sealing-off and sensor open circuit.When sensor uses under coastal wet environment, also can reduce sensor serviceable life.
Utility model content
The purpose of this utility model is to provide one to respond temperature rapidly, avoid the stress damage of high-temperature injection butt welding point and sensor sensing element, improve sensor serviceable life, reduce production disqualification rate, save the air conditioning for automobiles external temperature sensor of buckle Design of Dies cost of development and artificial installation cost simultaneously.
A kind of air conditioning for automobiles external temperature sensor, it comprises the electric connected structure of a housing being provided with bayonet socket, a sensing circuit, an impermeability waterproof washer, a band buckle.Described housing is engaged with the described buckle on described electric connected structure by the described bayonet socket of its afterbody to be installed.Described electric connected structure and described housing coupling part position are provided with described impermeability waterproof washer.The contact pin that described sensing circuit comprises sensor sensing element and is electrically connected mutually with sensor sensing element.Described sensor sensing element is housed in described housing.Described contact pin is housed in described electric connected structure.Fill full conduction heat sealable resin glue in described housing and by coated for described sensor sensing element.
The advantage of a kind of air conditioning for automobiles external temperature sensor of the utility model is: sensor sensing element is positioned at sensor temperature-sensitive and fills part, temperature signal is transmitted to electronic control unit by conduction heat sealable resin glue, and adopt first filling Post RDBMS packaging technology, effectively avoid injection moulding high temperature to damage the thermal stress of sensitive element; Fill conduction heat sealable resin glue simultaneously and to mould heat conductivility, density, water proofing property type selecting, then can design this product according to client to the requirement that outdoor sensor is more careful.
Accompanying drawing explanation
Fig. 1 is air conditioning for automobiles external temperature sensor three-dimensional structure diagram.
Fig. 2 is air conditioning for automobiles external temperature sensor vertical view.
Fig. 3 air conditioning for automobiles external temperature sensor A-A sectional view.
Fig. 4 is for being air conditioning for automobiles external temperature sensor explosive view.
Fig. 5 is air conditioning for automobiles external temperature sensor front view.
Fig. 6 is air conditioning for automobiles external temperature sensor lateral plan.
Embodiment
According to Fig. 1-6, a kind of air conditioning for automobiles external temperature sensor, it comprises the electric connected structure 4 that is provided with housing 1, sensing circuit 2, impermeability waterproof washer 3, the band buckle 43 of bayonet socket 11.Described housing 1 is engaged with the described buckle 43 on described electric connected structure 4 by the described bayonet socket 11 of its afterbody to be installed.At described electric connected structure 4, described housing 1 connecting portion is provided with described impermeability waterproof washer 3.The contact pin 21 that described sensing circuit 2 comprises sensor sensing element 22 and is electrically connected with sensor sensing element 22 phase.Described sensor sensing element 22 is housed in described housing 1.Described contact pin 21 is housed in described electric connected structure 4.Fill full conduction heat sealable resin glue 12 in described housing 1 and by coated for described sensor sensing element 22, can effectively avoid injection moulding high temperature to damage the thermal stress of described sensor sensing element 22, improving product percent of pass.
Described sensing circuit 2 also comprises a high temperature wire 23, and described high temperature wire 23 is drawn through scolding tin and welds described contact pin 21 bottom described sensor sensing element 22.
Described conduction heat sealable resin glue 12 is epoxide-resin glue, high temperature resistant and heat conductivity good.Described sensor sensing element 22 is NTC type sensor sensing element, NTC type sensor sensing element is solidify to form by NTC chip and epoxy encapsulant, the sealing entity structure adopting this epoxy encapsulant to be formed makes the periphery of the chips of described sensor sensing element not only insulate, moistureproof, but also good heat conductivity can be ensured.
The plug receptacle 42 that described electric connected structure 4 comprises a base 41 and is arranged on described base 41.Described contact pin 21 extends in described plug receptacle 42 through described base 41.It is peripheral that described impermeability waterproof washer 3 is arranged on described contact pin 21.
Described contact pin 21 is linked together by injection moulding with described electric connected structure 4.Described housing 1 is the integral structure in the outer injection mo(u)lding of described sensing circuit 2.Described impermeability waterproof washer 3 has the effect of sealing and coupling waterproof, and avoiding connector to soak affects the accuracy of sensor signal transmission.
When described bayonet socket 11 on described housing 1 and the described buckle 43 on described electric connected structure 4 fasten and install, described buckle 43 automatically springs open, and will install sheet metal component locking, travel in dither process at vehicle, sensor not easily falls down.
Described high temperature wire 23 is commonly called as copper covered steel wire, has hardness large, indeformable, the feature that heat transfer is excellent.
In specific implementation process: when assembling to prevent sensor, damage is caused to described sensor sensing element 22, ambient temperature can pass to described sensor sensing element 22 by described housing 1 and described conduction heat sealable resin glue 12 rapidly simultaneously, fills described conduction heat sealable resin glue 12 in the sensor after injection moulding.By described sensor sensing element 22 perception ambient temperature, basis, automotive electronics loop passes to electronic control unit rapidly, the temperature signal that electronic control unit feeds back according to described sensor sensing element 22 and the temperature signal that air-conditioning indoor temperature transmitter detects carry out real-time comparison, when external temperature is higher than indoor temperature, automatic air condition refrigeration and air output regulate automatically, make cabin temperature be in a pleasant environment temperature all the time, vice versa.
The advantage of a kind of air conditioning for automobiles external temperature sensor of the utility model is: sensor sensing element is positioned at sensor temperature-sensitive and fills part, temperature signal is transmitted to electronic control unit by conduction heat sealable resin glue, and adopt first filling Post RDBMS packaging technology, effectively avoid injection moulding high temperature to damage the thermal stress of sensitive element; Fill conduction heat sealable resin glue simultaneously and to mould heat conductivility, density, water proofing property type selecting, then can design this product according to client to the requirement that outdoor sensor is more careful.
The above is all within spirit of the present utility model and principle not in order to limit the utility model, and any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an air conditioning for automobiles external temperature sensor, it comprises the electric connected structure of a housing being provided with bayonet socket, a sensing circuit, an impermeability waterproof washer, a band buckle; Described housing is engaged with the described buckle on described electric connected structure by the described bayonet socket of its afterbody to be installed; Described electric connected structure and described housing coupling part position are provided with described impermeability waterproof washer; The contact pin that described sensing circuit comprises sensor sensing element and is electrically connected mutually with sensor sensing element; Described sensor sensing element is housed in described housing; Described contact pin is housed in described electric connected structure; Fill full conduction heat sealable resin glue in described housing and by coated for described sensor sensing element.
2. a kind of air conditioning for automobiles external temperature sensor according to claim 1, is characterized in that: described sensing circuit also comprises a high temperature wire, and described high temperature wire is drawn through scolding tin from described sensor sensing component base and welds described contact pin.
3. a kind of air conditioning for automobiles external temperature sensor according to claim 1, is characterized in that: described sensor sensing element is NTC type sensor sensing element.
4. a kind of air conditioning for automobiles external temperature sensor according to claim 1, is characterized in that: the plug receptacle that described electric connected structure comprises a base and is arranged on described base; Described contact pin extends in described plug receptacle through described base.
5. a kind of air conditioning for automobiles external temperature sensor according to claim 1, is characterized in that: it is peripheral that described impermeability waterproof washer is arranged on described contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486875.2U CN204085711U (en) | 2014-08-27 | 2014-08-27 | Air conditioning for automobiles external temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486875.2U CN204085711U (en) | 2014-08-27 | 2014-08-27 | Air conditioning for automobiles external temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204085711U true CN204085711U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486875.2U Active CN204085711U (en) | 2014-08-27 | 2014-08-27 | Air conditioning for automobiles external temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204085711U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713664A (en) * | 2015-03-23 | 2015-06-17 | 苏州鸿普精密模具有限公司 | Vehicle air conditioner outer temperature sensor detecting device |
| CN105841830A (en) * | 2016-05-17 | 2016-08-10 | 珠海格力电器股份有限公司 | Fixing device |
| CN107687906A (en) * | 2017-08-31 | 2018-02-13 | 东风汽车电子有限公司 | A kind of environment temperature sensor part assembly |
-
2014
- 2014-08-27 CN CN201420486875.2U patent/CN204085711U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713664A (en) * | 2015-03-23 | 2015-06-17 | 苏州鸿普精密模具有限公司 | Vehicle air conditioner outer temperature sensor detecting device |
| CN105841830A (en) * | 2016-05-17 | 2016-08-10 | 珠海格力电器股份有限公司 | Fixing device |
| CN105841830B (en) * | 2016-05-17 | 2018-12-28 | 珠海格力电器股份有限公司 | A kind of fixed device |
| CN107687906A (en) * | 2017-08-31 | 2018-02-13 | 东风汽车电子有限公司 | A kind of environment temperature sensor part assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |