CN216283979U - High-efficient heat conduction plane temperature sensing temperature sensor - Google Patents
High-efficient heat conduction plane temperature sensing temperature sensor Download PDFInfo
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- CN216283979U CN216283979U CN202122538880.6U CN202122538880U CN216283979U CN 216283979 U CN216283979 U CN 216283979U CN 202122538880 U CN202122538880 U CN 202122538880U CN 216283979 U CN216283979 U CN 216283979U
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- nose ring
- injection molding
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- shell
- temperature sensing
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Abstract
The utility model provides a high-efficiency heat-conducting plane temperature-sensing temperature sensor which comprises a metal nose ring, a thermistor, a lead and an injection molding nose ring shell, wherein a temperature-sensing head is arranged at one end of the metal nose ring, a metal plate which is integrally formed with a plastic shell in an injection molding mode to form the injection molding nose ring shell is arranged at the other end of the metal nose ring, a flanging is arranged on the metal plate, a through hole for injection molding liquid to flow through is formed in the flanging, a cavity is formed in the injection molding nose ring shell, the thermistor is packaged in the cavity of the injection molding nose ring shell, one end of the lead is connected with the thermistor, and the other end of the lead extends out of the injection molding nose ring shell and is connected with a connector.
Description
Technical Field
The utility model relates to the field of NTC temperature sensors, in particular to a high-efficiency heat-conducting plane temperature-sensing temperature sensor.
Background
At present, the safety requirement of electrical appliances is higher and higher, and the planar temperature sensor is widely applied to a photovoltaic inverter, a power supply radiating fin and a circuit board radiating fin so as to monitor the temperature change of the photovoltaic inverter and make corresponding feedback.
The temperature sensor packaged by the iron nose ring and the conventional injection molding nose ring is widely applied to products needing to monitor the platform temperature due to good economical efficiency and convenient installation mode.
However, because the iron nose ring and the conventional injection molding nose ring are difficult to package and operate, slow in response speed, unstable in structure, easy to fall off under long-term high and low temperature impact, and the like, the shell structure needs to be improved, and the response speed and the structural stability of the sensor are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an efficient heat-conducting plane temperature-sensing temperature sensor so as to improve the response speed and the structural stability of the sensor and at least solve part of problems in the prior art.
The utility model is realized by the following steps:
the utility model provides a high-efficiency heat-conducting plane temperature-sensing temperature sensor which comprises a metal nose ring, a thermistor, a lead and an injection molding nose ring shell, wherein a temperature-sensing head is arranged at one end of the metal nose ring, a metal plate which is integrally formed with a plastic shell in an injection molding mode to form the injection molding nose ring shell is arranged at the other end of the metal nose ring, a flanging is arranged on the metal plate, a through hole for injection molding liquid to flow through is formed in the flanging, a cavity is formed in the injection molding nose ring shell, the thermistor is packaged in the cavity of the injection molding nose ring shell, one end of the lead is connected with the thermistor, and the other end of the lead extends out of the injection molding nose ring shell and is connected with a connector.
Preferably, the temperature sensing head is provided with a screw through hole.
Preferably, the metal plate is provided with two flanges, and the flanges of the two flanges have the same direction.
Preferably, the injection molding nose ring shell is a cuboid.
Preferably, the thermistor is encapsulated in a cavity of the injection molding nose ring shell by epoxy resin.
The utility model has the following beneficial effects:
1. the utility model provides a high-efficiency heat-conducting plane temperature-sensing temperature sensor, which combines the advantages of metal and plastic materials by adopting the modes of sheet metal processing and injection molding, so that the shell is convenient to mount and encapsulate.
2. According to the utility model, through improving the structure of the metal nose ring, the two sides of the metal nose ring are provided with the flanges, and the through holes are arranged on the flanges, when in injection molding, high-temperature molten plastic is filled in a mold cavity and gaps at two sides of the metal nose ring, so that two sides of the nose ring are fully embedded into the plastic shell, and after the injection molding is finished, the metal nose ring is tightly combined with the plastic shell, so that the stability of the whole sensor shell is greatly improved, and the metal nose ring can not fall off under long-term high-low temperature impact.
3. According to the utility model, the two flanges are designed on the metal nose ring, and the metal has the heat conductivity coefficient far higher than that of plastic, so that when the metal is rapidly heated and conducts heat to the inside through the plastic, the single-side heat transfer is changed into three-side heat transfer, the heat transfer efficiency is greatly improved, and the thermistor packaged in the shell can more rapidly feed back the ambient temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of a metal nose ring provided by an embodiment of the present invention;
FIG. 2 is a left side view of a metal nose ring provided by an embodiment of the present invention;
FIG. 3 is a rear view of a metal nose ring provided by an embodiment of the present invention;
FIG. 4 is a side view of a metal nose ring provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a plastic housing provided in accordance with an embodiment of the present invention;
FIG. 6 is a top view of an injection molded nose ring housing provided by an embodiment of the present invention;
FIG. 7 is a front view of an injection molded nose ring housing provided by an embodiment of the present invention;
FIG. 8 is a left side view of an injection molded nose ring housing provided by an embodiment of the present invention;
FIG. 9 is a side view of an injection molded nose ring housing provided by an embodiment of the present invention;
FIG. 10 is a schematic diagram of a thermistor and lead provided by an embodiment of the present invention;
FIG. 11 is a schematic diagram of an overall structure of a planar temperature-sensing sensor according to an embodiment of the present invention;
fig. 12 is a partial enlarged view of fig. 11 according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, an embodiment of the present invention provides a high-efficiency heat-conducting planar temperature-sensing sensor, which includes a metal nose ring 1, a thermistor 4, a wire 5 and an injection-molded nose ring housing 3, the injection molding nose ring shell 3 is a cuboid, one end of the metal nose ring 1 is provided with a temperature sensing head 8 fixed on an object to be measured, the other end of the metal nose ring 1 is provided with a metal plate 9 which is integrally formed with the plastic shell 2 into an injection molding nose ring shell 3 through injection molding, the metal plate 9 is provided with a flanging 10, the flanging 10 is provided with a through hole 11 for flowing of injection molding liquid, a cavity 13 is arranged in the injection molding nose ring shell 3, the thermistor 4 is encapsulated in the cavity 13 of the injection molding nose ring shell 3 by adopting epoxy resin, one end of the lead 5 is connected with the thermistor 4, and the other end of the lead 5 extends out of the injection molding nose ring shell 3 and is connected with the connector 6.
The temperature sensing head 8 is provided with a screw through hole 12, and the temperature sensing head 8 is fixedly connected with an object to be measured through a screw. The metal plate 9 is provided with two flanges 10, and the flanges 10 have the same direction. According to the utility model, two flanges are designed on the metal nose ring, so that single-side heat transfer is changed into three-side heat transfer, and the problem of low temperature response speed of the conventional injection molding nose ring is solved. Before injection molding, the metal plate 9 is firstly placed in a cavity of a shell mold, and in the injection molding process, the mold cavity is filled with high-temperature molten plastic, and the injection molding nose ring shell 03 is formed after cooling.
According to the utility model, through improving the structure of the metal nose ring, the two sides of the metal nose ring are provided with the flanges, and the through holes are arranged on the flanges, when in injection molding, high-temperature molten plastic is filled in a mold cavity and gaps at two sides of the metal nose ring, so that two sides of the nose ring are fully embedded into the plastic shell, and after the injection molding is finished, the metal nose ring is tightly combined with the plastic shell, so that the stability of the whole sensor shell is greatly improved, and the metal nose ring can not fall off under long-term high-low temperature impact.
According to the utility model, the two flanges are designed on the metal nose ring, and the metal has the heat conductivity coefficient far higher than that of plastic, so that when the metal is rapidly heated and conducts heat to the inside through the plastic, the single-side heat transfer is changed into three-side heat transfer, the heat transfer efficiency is greatly improved, and the thermistor packaged in the shell can more rapidly feed back the ambient temperature.
The utility model provides a high-efficiency heat-conducting plane temperature-sensing temperature sensor, which combines the advantages of metal and plastic materials by adopting the modes of sheet metal processing and injection molding, so that the shell is convenient to mount and encapsulate.
The utility model provides a high-efficiency heat-conducting plane temperature-sensing temperature sensor, which is characterized in that the metal nose ring structure is improved, so that two sides of the metal nose ring structure are also embedded into a plastic shell during injection molding, and meanwhile, during work, single-side heat transfer is changed into three-side heat transfer, so that the response speed and the structural stability of the temperature sensor are improved.
According to the utility model, the metal nose ring structure is improved, so that two sides of the metal nose ring are embedded into the plastic shell during injection molding, and after injection molding, the metal nose ring and the plastic shell are tightly combined, so that the problems of easy falling and poor structural stability of the conventional injection molding nose ring are solved. The utility model solves the problem of difficult operation of the iron nose ring encapsulation by adopting the modes of sheet metal processing and injection molding.
The utility model provides a high-efficiency heat-conducting plane temperature-sensing temperature sensor.A metal nose ring 1 and a plastic shell 2 are integrally formed into an injection-molded nose ring shell 3 by injection molding.
The metal nose ring 1 is formed by adopting a sheet metal machining mode, screw through holes are machined in the metal nose ring 1, the size of each hole depends on the specification of a mounting screw, flanges are bent from two sides of the nose ring, and rectangular through holes are formed in the flanges.
The plastic shell 2 is a cuboid as a whole, a cavity with a certain length-width ratio is designed in the plastic shell, when in use, the thermistor element of the temperature sensor is encapsulated in the cavity of the plastic shell,
before injection molding, the metal nose ring 1 is placed in a cavity of a mold, in the injection molding process, high-temperature molten plastic is filled in the cavity of the mold, and the injection molding nose ring shell 3 is formed after cooling.
The thermistor 4 and the lead 5 are welded together, the thermistor element is encapsulated in a cavity of the injection molding nose ring shell 3 by epoxy resin, and the other end of the lead 5 is provided with a connector 6 required by a customer, so that a complete plane temperature sensing temperature sensor 7 is finally formed.
Referring to fig. 1-4, the size of the screw through hole of the metal nose ring of the high-efficiency heat-conducting plane temperature-sensing temperature sensor is reasonably designed according to the specification of the mounting screw, and the flanging through holes at the two sides of the metal nose ring can be reasonably designed by self, so that the changes made on the basis are all within the protection scope of the patent.
Referring to fig. 6 to 9, the metal nose ring is finally formed into the illustrated temperature sensor housing (injection-molded nose ring housing 3) by injection molding, and the metal nose ring is tightly coupled to the plastic housing.
Referring to fig. 11, the thermistor 4 is encapsulated in the injection molding nose ring shell 3 to form a finished temperature sensor, and the finished temperature sensor can be put into use by locking and installing through screws.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a high-efficient heat conduction plane temperature sensing temperature sensor which characterized in that: including metal nose ring, thermistor, wire and the nose ring shell of moulding plastics, the one end of metal nose ring is equipped with the temperature sensing head, the other end of metal nose ring is equipped with the metal sheet for the nose ring shell of moulding plastics with the plastics shell integrated into one piece that moulds plastics, be equipped with the turn-ups on the metal sheet, set up the through-hole that supplies the liquid of moulding plastics to flow on the turn-ups, be equipped with the die cavity in the nose ring shell of moulding plastics, thermistor encapsulates in the die cavity of the nose ring shell of moulding plastics, the one end of wire with thermistor links to each other, the other end of wire stretches out the nose ring shell of moulding plastics just links to each other with the connector.
2. A high efficiency heat conductive planar temperature sensing sensor as claimed in claim 1, wherein: the temperature sensing head is provided with a screw through hole.
3. A high efficiency heat conductive planar temperature sensing sensor as claimed in claim 1, wherein: the metal plate is provided with two flanges, and the flanges of the two flanges are in the same direction.
4. A high efficiency heat conductive planar temperature sensing sensor as claimed in claim 1, wherein: the injection molding nose ring shell is a cuboid.
5. A high efficiency heat conductive planar temperature sensing sensor as claimed in claim 1, wherein: the thermistor is encapsulated in a cavity of the injection molding nose ring shell by epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538880.6U CN216283979U (en) | 2021-10-21 | 2021-10-21 | High-efficient heat conduction plane temperature sensing temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538880.6U CN216283979U (en) | 2021-10-21 | 2021-10-21 | High-efficient heat conduction plane temperature sensing temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216283979U true CN216283979U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122538880.6U Active CN216283979U (en) | 2021-10-21 | 2021-10-21 | High-efficient heat conduction plane temperature sensing temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216283979U (en) |
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2021
- 2021-10-21 CN CN202122538880.6U patent/CN216283979U/en active Active
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