CN213397425U - Temperature sensor for injection molding micro charging column - Google Patents
Temperature sensor for injection molding micro charging column Download PDFInfo
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- CN213397425U CN213397425U CN202022343992.1U CN202022343992U CN213397425U CN 213397425 U CN213397425 U CN 213397425U CN 202022343992 U CN202022343992 U CN 202022343992U CN 213397425 U CN213397425 U CN 213397425U
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- sizing material
- temperature sensor
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Abstract
The utility model relates to a sensor field indicates a temperature sensor for miniature post that charges of injection moulding especially. Including chip, sizing material casing, gum cover, sheetmetal, the sheetmetal side is equipped with pothook down, the wire rod is connected respectively at the chip both ends, sizing material casing upside is equipped with the recess that holds the chip, sizing material casing one end is equipped with pin portion, the gum cover cup joints on pin portion, pin portion is equipped with the communicating pin hole with the recess, the wire rod at chip both ends runs through pin hole from the recess is inside to extend to outside the sizing material casing. The utility model has the advantages of small volume, high sensitivity, fast response time, good moisture resistance, high pressure resistance, high production efficiency and convenience for various different installation structures; the chip and the metal sheet are fixed through injection molding of a sizing material, and the metal sheet has a compact and reasonable clamping hook structure and is packaged by plastic, so that the chip has the high-performance characteristics of strong adhesive force, strong insulating and pressure-resistant capabilities and the like.
Description
Technical Field
The utility model relates to a sensor field indicates a temperature sensor for miniature post that charges of injection moulding especially.
Background
A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument and has a plurality of varieties. The measurement method can be divided into a contact type and a non-contact type, and the measurement method can be divided into a thermal resistor and a thermocouple according to the characteristics of sensor materials and electronic elements.
The current temperature sensor chip packaging mode mostly adopts epoxy resin packaging, and the epoxy resin packaged temperature sensor has larger limitation on structure and size, as follows:
1) the length size of the packaging function of the injection molding temperature sensor is only 7mm, and the epoxy packaging operation is extremely difficult;
2) epoxy encapsulation is adopted, so that the phenomenon of glue flowing is easy to occur, and certain risk is caused to the requirement of surface flatness in the subsequent assembly process of a product;
3) the use temperature of the prior epoxy resin is lower, and the requirement of wave soldering on high temperature resistance cannot be met;
4) and the epoxy resin is adopted for packaging, so that the full automation is realized with higher difficulty.
Disclosure of Invention
In order to solve the problem, the utility model provides a temperature sensor is used to miniature post that charges of injection moulding, the structural space utilization is than higher, the outward appearance is better.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a temperature sensor for injection moulding miniature post that charges, includes chip, sizing material casing, gum cover, sheetmetal, the sheetmetal side is equipped with pothook down, the wire rod is connected respectively at the chip both ends to the chip wire rod is whole to be U type structure through bending, sizing material casing upside is equipped with the recess that holds the chip to the upper end is equipped with the screens corresponding with the sheetmetal shape, sizing material casing one end is equipped with pin portion, the gum cover cup joints on pin portion, pin portion is equipped with the communicating pin hole with the recess, the wire rod at chip both ends runs through pin hole from the recess is inside and extends to outside the sizing material casing, the pothook and the inside joint of recess of sheetmetal, it is insulating through filling the sizing material in the recess.
Furthermore, the metal sheet is arranged on the clamping positions on the surface of the groove, the surface of the metal sheet is matched with the clamping positions, the surface of the metal sheet and the surface of the sizing material shell are located on the same horizontal plane, the surface outline of the metal sheet is in a convex shape, and the clamping hooks are respectively arranged on two sides and the lower side of the convex shape.
And a cylinder is further arranged in the groove, a through hole penetrating through the rubber shell is formed in the cylinder, and a round hole corresponding to the through hole is formed in the surface of the metal sheet.
Further, a packaging structure is formed among the chip, the metal sheet and the glue material shell through injection molding.
Further, the pin part is arranged in a protruding mode from one end of the rubber shell, and the rubber sleeve is assembled with the pin part in an interference fit mode.
Wherein, the gum cover is the PPS gum cover.
Further, the base layer of the metal sheet is copper.
The beneficial effects of the utility model reside in that: the utility model discloses temperature sensor for injection moulding miniature post that charges is small, and sensitivity is high, and response time is fast, and dampproofing good, high pressure resistant, production efficiency is high to and make things convenient for various different mounting structures; the chip and the metal sheet are fixed through injection molding of a sizing material, and the metal sheet has a compact and reasonable clamping hook structure and is packaged by plastic, so that the chip has the high-performance characteristics of strong adhesive force, strong insulating and pressure-resistant capabilities and the like.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the present invention.
The reference numbers illustrate: 1. a chip; 11. a wire rod; 2. a sizing material shell; 21. a groove; 22. clamping; 23. a lead part; 231. a pin hole; 24. a cylinder; 241. a through hole; 3. a rubber sleeve; 4. a metal sheet; 41. a hook; a circular hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. The present application may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure, and the words used to indicate orientation, top, bottom, left, right, etc. are used solely to describe the illustrated structure in connection with the accompanying figures.
Referring to fig. 1-2, the present invention relates to a temperature sensor for an injection molded micro charging post, which comprises a chip 1, a rubber housing 2, a rubber sleeve 3 and a metal sheet 4, wherein a side edge of the metal sheet 4 is provided with a downward hook 41, two ends of the chip 1 are respectively connected with a wire 11, the wire 11 of the chip 1 is bent into a U-shaped structure, the upper side of the rubber housing 2 is provided with a groove 21 for accommodating the chip 1, the upper end of the rubber housing 2 is provided with a clip 22 corresponding to the metal sheet 4, one end of the rubber housing 2 is provided with a pin portion 23, the rubber sleeve 3 is sleeved on the pin portion 23, the pin portion 23 is provided with a pin hole 231 communicated with the groove 21, the wire 11 at two ends of the chip 1 extends from the inside of the groove 21 to the outside of the rubber housing 2 through the pin hole 231, the hook 41 of the metal sheet 4 is clamped with the inside of the groove 21, the groove 21 is filled with insulating rubber, and a good package is formed by injection molding, and the IP67 protection standard is met. Wherein, the utility model discloses a sizing material adopts plastics such as TPEE, TPE, NYLON, PPS, does not do the restriction here.
In this embodiment, sheetmetal 4 sets up on the screens 22 on recess 21 surface to 4 surfaces of sheetmetal match with screens 22, make 4 surfaces of sheetmetal and 2 surfaces of sizing material casing be located same horizontal plane, 4 surface contours of sheetmetal are type of calligraphy, pothook 41 establishes respectively in the both sides and the downside of type of calligraphy, and 4 pothooks of sheetmetal 41 and the inside joint of 2 recesses 21 of sizing material casing form powerful the connection. A cylinder 24 is further arranged in the groove 21, the cylinder 24 is provided with a through hole 241 penetrating through the glue material shell 2, and the surface of the metal sheet 4 is provided with a round hole 42 corresponding to the through hole 241. In addition, a packaging structure is formed among the chip 1, the metal 4 sheet and the glue material shell 2 through injection molding.
In this embodiment, the lead portion 23 protrudes from one end of the rubber housing 2, and the rubber sleeve 3 is fitted with the lead portion 23 in an interference fit manner. The rubber sleeve 3 is a high-temperature-resistant PPS rubber sleeve and can be subjected to wave-soldering, and the chip 1 is an NTC thermistor; in addition, the base layer of the metal sheet 4 is copper, so that heat conduction is faster. In the processing of the temperature sensor of this embodiment, the chip 1 and the metal sheet 4 are fixed by injection molding and packaging, and then the PPS rubber sleeve 3 is assembled. The temperature sensor has the advantages of good appearance, small volume, high sensitivity, quick response time, good moisture resistance and convenience for various different mounting structures. The product of the embodiment can be directly used for PCB DIP plug-in components and can also be used for soldering iron.
It is further understood that the terms "connected," "secured," "mounted," and the like are to be construed broadly and their meanings in the context of the present application will be understood by those skilled in the art as appropriate and not by limitation, unless otherwise explicitly stated or limited.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.
Claims (7)
1. The utility model provides a temperature sensor for miniature post that charges of injection moulding which characterized in that: including chip, sizing material casing, gum cover, sheetmetal, the sheetmetal side is equipped with pothook down, the wire rod is connected respectively at the chip both ends to the chip wire rod is whole to be U type structure through bending, sizing material casing upside is equipped with the recess that holds the chip to the upper end is equipped with the screens corresponding with the sheetmetal shape, sizing material casing one end is equipped with pin portion, the gum cover cup joints on pin portion, pin portion be equipped with the communicating pin hole of recess, the wire rod at chip both ends runs through pin hole from the recess is inside and extends to outside the sizing material casing, the pothook and the inside joint of recess of sheetmetal, it is insulating through filling the sizing material in the recess.
2. The injection-molded temperature sensor for a micro-charging post according to claim 1, wherein: the metal sheet is arranged on the clamping positions on the surface of the groove, the surface of the metal sheet is matched with the clamping positions, the surface of the metal sheet and the surface of the sizing material shell are located on the same horizontal plane, the surface outline of the metal sheet is in a convex shape, and the clamping hooks are respectively arranged on two sides and the lower side of the convex shape.
3. The injection-molded temperature sensor for a micro-charging post according to claim 2, wherein: and a cylinder is further arranged in the groove, the cylinder is provided with a through hole penetrating through the sizing material shell, and the surface of the metal sheet is provided with a round hole corresponding to the through hole.
4. The injection-molded temperature sensor for a micro-charging post according to claim 1, wherein: and the chip, the metal sheet and the rubber shell are formed into a packaging structure through injection molding.
5. The injection-molded temperature sensor for a micro-charging post according to claim 1, wherein: the lead part is arranged in a protruding mode from one end of the rubber shell, and the rubber sleeve is assembled with the lead part in an interference fit mode.
6. The injection-molded micro charging post temperature sensor according to claim 5, wherein: the rubber sleeve is a PPS rubber sleeve.
7. The injection-molded temperature sensor for a micro-charging post according to claim 1, wherein: the base layer of the metal sheet is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343992.1U CN213397425U (en) | 2020-10-20 | 2020-10-20 | Temperature sensor for injection molding micro charging column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343992.1U CN213397425U (en) | 2020-10-20 | 2020-10-20 | Temperature sensor for injection molding micro charging column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213397425U true CN213397425U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022343992.1U Active CN213397425U (en) | 2020-10-20 | 2020-10-20 | Temperature sensor for injection molding micro charging column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353984A (en) * | 2022-03-02 | 2022-04-15 | 深圳安培龙科技股份有限公司 | Temperature sensor for injection molding micro lithium battery |
-
2020
- 2020-10-20 CN CN202022343992.1U patent/CN213397425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353984A (en) * | 2022-03-02 | 2022-04-15 | 深圳安培龙科技股份有限公司 | Temperature sensor for injection molding micro lithium battery |
| CN114353984B (en) * | 2022-03-02 | 2022-06-07 | 深圳安培龙科技股份有限公司 | Temperature sensor for injection molding micro lithium battery |
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