CN201247106Y - Temperature sensor - Google Patents
Temperature sensor Download PDFInfo
- Publication number
- CN201247106Y CN201247106Y CNU2008201268313U CN200820126831U CN201247106Y CN 201247106 Y CN201247106 Y CN 201247106Y CN U2008201268313 U CNU2008201268313 U CN U2008201268313U CN 200820126831 U CN200820126831 U CN 200820126831U CN 201247106 Y CN201247106 Y CN 201247106Y
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- internal mold
- detector unit
- mold
- temperature sensor
- coated
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- Measuring Temperature Or Quantity Of Heat (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a temperature sensor which comprises an outer shell, a temperature detection component which is arranged in the outer shell and a line conductor which is connected with the temperature detection component, wherein the outer shell, the temperature detection component and the line conductor are injected into a whole. The temperature sensor replaces a traditional bottling packaging mode and adopts a packaging mode of selecting polymer materials to inject and shape directly, the manufacture technique is simple, the production efficiency is high, thereby the manufacture cost is lower, since the outer shape is flexible and changeable, thereby the temperature sensor can satisfy various different user installation conditions, sensors which are produced have higher reliability, the temperature measurement range is wider, the volume of the sensors is smaller, and the temperature sensor also has good interchangeability.
Description
Technical field
The utility model relates to a kind of temperature sensor, relates in particular to a kind of encapsulating structure of temperature sensor.
Background technology
Thereby being a kind of inside, temperature sensor is provided with the device of detector unit realization to ambient temperature measurement, in order to reach certain moistureproof and waterproof, this detector unit often needs to be packaged in an enclosure interior, the packaged type that traditional temperature sensor adopts is: with a detector unit with after lead is connected, irritate epoxy encapsulation with insulation, heat conduction and water proofing property by a housing in its cavity, the material of this housing can be the various dissimilar plastic cement shell of the aluminum hull of connection metal, nickel-clad copper shell and stainless steel case or nonmetal aspect.Yet, though adopt the sound construction of temperature sensor of above method for packing and moistureproof and waterproof performance still can, also have following obvious deficiency: one because complex procedures, continuity are poor, so cost is higher relatively; Its two since the epoxy resin cure time longer, so production efficiency is relatively low; Its three, adopts the detector unit easy conductive of above-mentioned metal shell and have certain amount of stored heat, and processed complex is difficult to satisfy the user installation condition.
Summary of the invention
Fundamental purpose of the present utility model is, provides that a kind of manufacturing process is simple, production efficiency is higher, the variable flexibly therefore manufacturing cost of profile is lower and easily satisfies the temperature sensor of user installation condition.
In order to realize above-mentioned purpose, the utility model provides a kind of temperature sensor, comprise shell, be arranged at the detector unit of described enclosure and the lead that is connected with described detector unit, described shell and described detector unit and described lead are injection molded into one.
Described shell comprises internal mold and external mold, and described internal mold and described detector unit and described lead are injection molded into one, and described external mold is coated on the outside of described internal mold and is injection molded into one with described internal mold.
The outside surface of described internal mold is provided with a plurality of groove structures, and the inside surface of described external mold and the corresponding position of described groove structure are provided with convex structure, and described groove structure and described convex structure embed mutually to strengthen sealing.
Described internal mold and described external mold are that same material is made.
Described internal mold and described external mold are made for same material not.
Described internal mold is coated on the outside of described detector unit and described lead junction; Described external mold is coated on the outside that above-mentioned part is coated with the detector unit and the lead of described internal mold, and the front end of described external mold forms a ccontaining through hole, and makes the temperature-sensitive portion of described detector unit near described ccontaining through hole.
Described internal mold is coated on the outside of the whole and described lead front end of described detector unit, described internal mold is the little structure in the big rear end of front end, its bigger front end is the tubular of hollow, described detector unit and described heart yearn are embedded the center in described less rear end, and make the temperature-sensitive portion of described detector unit near the position of described front end hollow; Described external mold is coated on the outside of described internal mold, and the corresponding position of hollow position of the front end of described external mold and described internal mold front end also offer porose, thereby form a ccontaining through hole at the front end of described temperature sensor.
Described internal mold is coated on the outside of described detector unit and described lead junction, the caudal part of described internal mold is provided with an empennage, described external mold is coated on the outside that above-mentioned part is coated with the detector unit and the lead of described internal mold, it is hemispheric column construction that the front portion of described external mold is front end, and make the temperature-sensitive portion of described detector unit near described hemispheric front end, the tail end of described external mold and the corresponding position of the empennage of described internal mold are provided with a hook structure.
The utlity model has following beneficial effect, temperature sensor of the present utility model has been abandoned the packaged type of traditional can, what adopt is the packaged type of selecting the direct injection mo(u)lding of macromolecular material, its manufacturing process is simple, production efficiency is higher, therefore manufacturing cost is lower, because its profile is variable flexibly, thereby can satisfy various user installation condition, and the reliability of the sensor of producing is higher, temperature measurement range is wideer, the volume of sensor own is littler, also has good interchangeability.
Description of drawings
Fig. 1 is the stereographic map of the embodiment one of temperature sensor of the present utility model;
Fig. 2 is the cut-open view after the temperature sensor of embodiment one is vertically vertically cut open;
Fig. 3 is the cut-open view after the temperature sensor along continuous straight runs of embodiment one is cut open;
Fig. 4 is the stereographic map of internal mold of the temperature sensor of embodiment one;
Fig. 5 is the cut-open view after the along continuous straight runs of the internal mold among Fig. 4 is cut open;
Fig. 6 is the stereographic map of the embodiment two of temperature sensor of the present utility model;
Fig. 7 is the cut-open view after the temperature sensor of embodiment two is vertically vertically cut open;
Fig. 8 is the front view of internal mold of the temperature sensor of embodiment two;
Fig. 9 is the cut-open view after the internal mold of the temperature sensor of embodiment two is vertically vertically cut open;
Figure 10 is the front view of the embodiment three of temperature sensor of the present utility model;
Figure 11 is the cut-open view after the along continuous straight runs of the temperature sensor of embodiment three is cut open;
Figure 12 is the cut-open view after the internal mold along continuous straight runs of the temperature sensor of embodiment three is cut open.
Embodiment
In order to further specify principle of the present utility model and structure, now in conjunction with the accompanying drawings preferred embodiment of the present utility model is elaborated.
Temperature sensor of the present utility model comprises a shell and is packaged in this shell interior a detector unit 1 and a lead 2.This detector unit 1 can be this areas such as thermopair, thermal resistance and platinum resistance various electron devices that are used for thermometric commonly used, no longer is described in detail at this.This lead 2 is connected with the tail end of this detector unit 1, transfer out with the temperature signal that this detector unit 1 is detected, can take being connected between the lead-in wire of this lead 2 and this detector unit 1 to weld or the mode of terminal bonding, this shell and this detector unit 1 and this lead 2 are injection molded into one.
Embodiment one: the temperature sensor one that socket or bolt connection type are fixing.
See also Fig. 1 to shown in Figure 3, this shell in the present embodiment comprises an internal mold 3 that is positioned at internal layer and is positioned at an outer field external mold 4.
Again please in conjunction with consulting Fig. 4 to shown in Figure 5, this internal mold 3 forms for the outside integrated injection molding in this detector unit 1 and this lead 2 junctions, and make this internal mold 3 directly wrap the tail end of this detector unit 1, the junction of the front end of this lead 2 and this detector unit 1 and this lead 2, and the afterbody of the temperature-sensitive portion of this detector unit 1 front end and this lead 2 is exposed to outside this internal mold 3, the material of making this internal mold 3 can be PVC, vinyl (Vinyl), nylon (Nylon), the complex of nylon and GF (for example Nylon+15%GF), the complex of ABS and PC (for example 70%ABS+30%PC), the complex of PBT and GF (for example PBT+15%GF), PPS, TPU, TPE or butadiene rubber etc., the outside surface of this internal mold 3 are provided with a plurality of groove structures 31.
This external mold 4 is for directly being coated with the detector unit 1 of this internal mold 3 and the outside integrated injection molding of lead 2 forms in above-mentioned part, the material of making this external mold 4 also can be complex (for example PBT+15%GF), PPS, TPU, TPE or the butadiene rubber etc. of complex (for example 70%ABS+30%PC), PBT and GF of complex (for example Nylon+15%GF), ABS and the PC of PVC, vinyl (Vinyl), nylon (Nylon), nylon and GF, and itself and this internal mold 3 can be the same material manufacturing also can select different materials for use.The inboard of this external mold 4 and this internal mold 3 upper groove structures 31 corresponding positions are formed with convex structure 41, thereby, this internal mold 3 strengthens sealing so that embedding mutually with this external mold 4, in the middle of being, the front end of this external mold 4 is provided with the cylinder-like structure of ccontaining through hole 5, the temperature-sensitive portion of this detector unit 1 front end be positioned at this ccontaining through hole 5 near, this ccontaining through hole 5 can be socketed in columned treating on the thermometric object, screw thread also can be set to be spirally connected on the inwall of this ccontaining through hole with treating the thermometric object, also can according to the shape for the treatment of the thermometric object will this ccontaining through hole 5 change of shape be square hole, elliptical aperture or other shapes.
Embodiment two: the temperature sensor two that socket or bolt connection type are fixing.
See also Fig. 6 to shown in Figure 7, in the present embodiment shell of temperature sensor comprise the internal mold 3 that is positioned at internal layer ' and be positioned at an outer field external mold 4 '.This internal mold 3 ' and external mold 4 ' manufacturing process and materials used and embodiment one in identical, different is shape and structure.Please in conjunction with consulting Fig. 8 to shown in Figure 9, this internal mold 3 ' form for outside integrated injection molding at the front end of whole and this lead 2 of this detector unit 1, this internal mold 3 ' be little structure in the big rear end of front end, its bigger front end is the tubular of hollow, the front end of whole and this lead 2 of this detector unit 1 is covered by the center of the rear end of this internal mold 3 ' less, and make the temperature-sensitive portion of this detector unit 1 near the position of this front end hollow, the periphery of the rear end of this internal mold 3 ' less be provided with a plurality of groove structures 31 '.This internal mold 3 of this external mold 4 ' be coated on ' the outside, this external mold 4 ' front end also be tubular structure, and be coated on this internal mold 3 ' the periphery of tubular front end, thereby form in the place ahead of this temperature sensor a ccontaining through hole 5 ', this ccontaining through hole 5 ' shape and function can be identical with this ccontaining through hole 5 among the embodiment one, similar with embodiment one, this external mold 4 ' the inboard and this internal mold 3 ' upper groove structure 31 ' corresponding position also be formed with convex structure 41 '.
Embodiment three: the temperature sensor that buckle-type is fixing.
See also Figure 10 to shown in Figure 11, be the 3rd preferable possible embodiments of temperature sensor of the present utility model.
This housing comprises an internal mold 3 " and being arranged at an outer field external mold 4 " that is arranged at internal layer in the present embodiment, identical among this internal mold 3 " and external mold 4 " manufacturing process and materials used and above-mentioned two embodiment, and different is shape and structure.Please shown in Figure 12 in conjunction with consulting, this internal mold 3 " for forming at the outside integrated injection molding of this detector unit 1 with these lead 2 junctions; and make this internal mold 3 " directly wrap the tail end of this detector unit 1, the front end of this lead 2 and the junction of this detector unit 1 and this lead 2, and the afterbody of the temperature-sensitive portion of this detector unit 1 front end and this lead 2 is exposed to this internal mold 3 " outside; " it is cylindric that front end is for this internal mold 3, tail end is provided with an empennage 31 ", this internal mold 3 " cylindric front end be provided with a plurality of groove structures 32 ".The detector unit 1 of this external mold 4 " for directly being coated with this internal mold 3 in above-mentioned part " and the outside integrated injection molding of lead 2 form, this external mold 4 " to be front end be hemispheric column construction in the front portion; and make the temperature-sensitive portion of this detector unit 1 front end near this external mold 4 " hemispheric front end, the empennage 31 " corresponding position is provided with a hook structure 41 " of this external mold 4 " tail end and this internal mold 3 ", this hook structure 41 " can match with the corresponding buckle structure on treating the thermometric object, treats on the thermometric object thereby temperature sensor is fixed on.Similar with above-mentioned two embodiment, this external mold 4 " inboard and this internal mold 3 " upper groove structure 32 " corresponding position also is formed with convex structure 42 " so that this internal mold 3 " with this external mold 4 " thus embed mutually and strengthen sealing.
Above-mentioned several embodiment has just enumerated the encapsulating structure of temperature sensor of the fixed form of several types, needs that also can be according to fixedly the time, the external mold of sensor and the structure of internal mold are changed accordingly, and for example mortise lock formula, button locking-type, ring flange such as install and fix at flexile connection mode.And there is any need to prove, when the volume that requires temperature sensor hour, also can not take internal mold to add the packaged type of external mold post forming, but this shell is directly taked integrated injection forming or the direct mode of integrated injection molding encapsulation after the brush coating on detector unit 1 and lead 2, that describes among its principle and above-mentioned two embodiment is close, so no longer carry out detailed narration.
Temperature sensor of the present utility model has been abandoned the packaged type of traditional can, what adopt is the packaged type of selecting the direct injection mo(u)lding of macromolecular material, its manufacturing process is simple, production efficiency is higher, therefore manufacturing cost is lower, because its profile is variable flexibly, thereby can satisfy various user installation condition, and the reliability of the sensor of producing is higher, temperature measurement range is wideer, the volume of sensor own is littler, also has good interchangeability.
Yet; the above only is a preferable possible embodiments of the present utility model; and unrestricted protection domain of the present utility model, so the equivalent structure that all utilization the utility model instructionss and accompanying drawing content have been done changes, all be included in the protection domain of the present utility model.
Claims (8)
1. a temperature sensor comprises shell, is arranged at the detector unit of described enclosure and the lead that is connected with described detector unit, it is characterized in that described shell and described detector unit and described lead are injection molded into one.
2. temperature sensor according to claim 1, it is characterized in that, described shell comprises internal mold and external mold, and described internal mold and described detector unit and described lead are injection molded into one, and described external mold is coated on the outside of described internal mold and is injection molded into one with described internal mold.
3. temperature sensor according to claim 2, it is characterized in that, the outside surface of described internal mold is provided with a plurality of groove structures, and the inside surface of described external mold and the corresponding position of described groove structure are provided with convex structure, and described groove structure and described convex structure embed mutually to strengthen sealing.
4. temperature sensor according to claim 2 is characterized in that, described internal mold and described external mold are that same material is made.
5. temperature sensor according to claim 2 is characterized in that, described internal mold and described external mold are made for same material not.
6. according to claim 2 or 3 described temperature sensors, it is characterized in that described internal mold is coated on the outside of described detector unit and described lead junction; Described external mold is coated on the outside that above-mentioned part is coated with the detector unit and the lead of described internal mold, and the front end of described external mold forms a ccontaining through hole, and makes the temperature-sensitive portion of described detector unit near described ccontaining through hole.
7. according to claim 2 or 3 described temperature sensors, it is characterized in that, described internal mold is coated on the outside of the whole and described lead front end of described detector unit, described internal mold is the little structure in the big rear end of front end, its bigger front end is the tubular of hollow, described detector unit and described heart yearn are embedded the center in described less rear end, and make the temperature-sensitive portion of described detector unit near the position of described front end hollow; Described external mold is coated on the outside of described internal mold, and the corresponding position of hollow position of the front end of described external mold and described internal mold front end also offer porose, thereby form another ccontaining through hole at the front end of described temperature sensor.
8. according to claim 2 or 3 described temperature sensors, it is characterized in that, described internal mold is coated on the outside of described detector unit and described lead junction, the caudal part of described internal mold is provided with an empennage, described external mold is coated on the outside that above-mentioned part is coated with the detector unit and the lead of described internal mold, it is hemispheric column construction that the front portion of described external mold is front end, and make the temperature-sensitive portion of described detector unit near described hemispheric front end, the tail end of described external mold and the corresponding position of the empennage of described internal mold are provided with a hook structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201268313U CN201247106Y (en) | 2008-07-01 | 2008-07-01 | Temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201268313U CN201247106Y (en) | 2008-07-01 | 2008-07-01 | Temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247106Y true CN201247106Y (en) | 2009-05-27 |
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ID=40730927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201268313U Expired - Fee Related CN201247106Y (en) | 2008-07-01 | 2008-07-01 | Temperature sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN201247106Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322965A (en) * | 2011-06-01 | 2012-01-18 | 成都欧文博科技有限公司 | Temperature sensor and packaging equipment and packaging method thereof |
| CN105551984A (en) * | 2015-12-31 | 2016-05-04 | 广东爱晟电子科技有限公司 | Manufacturing method of waterproof and moisture-proof temperature sensor, and prepared temperature sensor |
| CN107525555A (en) * | 2017-09-25 | 2017-12-29 | 昆山杰顺通精密组件有限公司 | Gas meter, flow meter waterproof temperature sensing device |
| CN108018680A (en) * | 2016-11-02 | 2018-05-11 | 苏州三星电子有限公司 | Temperature sensor and washing machine |
| CN109827997A (en) * | 2019-02-12 | 2019-05-31 | 拓霸(厦门)电子有限公司 | A kind of moisture sensor |
-
2008
- 2008-07-01 CN CNU2008201268313U patent/CN201247106Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322965A (en) * | 2011-06-01 | 2012-01-18 | 成都欧文博科技有限公司 | Temperature sensor and packaging equipment and packaging method thereof |
| CN105551984A (en) * | 2015-12-31 | 2016-05-04 | 广东爱晟电子科技有限公司 | Manufacturing method of waterproof and moisture-proof temperature sensor, and prepared temperature sensor |
| CN105551984B (en) * | 2015-12-31 | 2018-05-25 | 广东爱晟电子科技有限公司 | The production method of waterproof and dampproof temperature sensor and its temperature sensor obtained |
| CN108018680A (en) * | 2016-11-02 | 2018-05-11 | 苏州三星电子有限公司 | Temperature sensor and washing machine |
| CN108018680B (en) * | 2016-11-02 | 2020-09-04 | 苏州三星电子有限公司 | Temperature sensor and washing machine |
| CN107525555A (en) * | 2017-09-25 | 2017-12-29 | 昆山杰顺通精密组件有限公司 | Gas meter, flow meter waterproof temperature sensing device |
| CN109827997A (en) * | 2019-02-12 | 2019-05-31 | 拓霸(厦门)电子有限公司 | A kind of moisture sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20120701 |