CN213733161U - Temperature-sensing line structure and hot runner system - Google Patents
Temperature-sensing line structure and hot runner system Download PDFInfo
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- CN213733161U CN213733161U CN202022500321.1U CN202022500321U CN213733161U CN 213733161 U CN213733161 U CN 213733161U CN 202022500321 U CN202022500321 U CN 202022500321U CN 213733161 U CN213733161 U CN 213733161U
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Abstract
The utility model relates to a temperature measurement technical field provides a temperature-sensing line structure, include: the temperature-sensing probe is filled with an insulating material layer, and the exposed end of a probe core wire of the temperature-sensing probe is provided with a high-temperature-resistant resin seal; the compensation wire is electrically connected with the temperature-sensitive probe, and the periphery of the connection part of the compensation wire and the temperature-sensitive probe and the periphery of the outside of the high-temperature-resistant resin are tightly wrapped with high-temperature-resistant plastic layers. The utility model also provides a hot runner system, including the aforesaid the temperature thread structure. The utility model provides a pair of temperature-sensing line structure and hot runner system, under normal conditions, the temperature-sensing line structure is placed for a long time, and moisture can not get into the inside of temperature-sensing probe yet, and then can not take place insulation resistance and descend and lead to the phenomenon of electric leakage, can guarantee good insulating properties completely under hot runner system's the normal service temperature, still improved the temperature sensing precision.
Description
Technical Field
The utility model relates to a temperature measurement technical field, more specifically say, relate to a temperature-sensing line structure and hot runner system.
Background
At present, the injection mold generally adopted in the injection molding industry is a hot runner injection mold, and compared with a common mold, the quality of a plastic product injected by a hot runner system is higher, and the hot runner system has the advantages of saving raw materials, improving the production efficiency, improving the automation degree and the like. However, the temperature sensing probe and the compensating lead connecting joint included in the hot runner system in the prior art are generally encapsulated and fixed by inorganic ceramic adhesive, although the inorganic ceramic adhesive can resist ultrahigh temperature, the inorganic adhesive has many fine air holes, moisture and moisture can enter the probe through the air holes in a short time, an insulating filler in the probe is extremely easy to damp, the insulation is rapidly reduced after the moisture is absorbed, the electric leakage phenomenon occurs, and the temperature sensing precision is deviated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature-sensing line structure and hot runner system to the insulating material layer of the inside temperature-sensing probe that the temperature-sensing line structure among the solution prior art included easily wets, leads to electric leakage, the poor technical problem of temperature-sensing precision.
In order to achieve the above object, the utility model adopts the following technical scheme:
in one aspect, the utility model provides a temperature-sensing line structure, include:
the temperature-sensing probe is filled with an insulating material layer, and the exposed end of a probe core wire of the temperature-sensing probe is provided with a high-temperature-resistant resin seal;
the compensation wire is electrically connected with the temperature-sensitive probe, and the periphery of the connection part of the compensation wire and the temperature-sensitive probe and the periphery of the outside of the high-temperature-resistant resin are tightly wrapped with high-temperature-resistant plastic layers.
According to the above-mentioned temperature-sensing line structure, the temperature-sensing probe includes:
the device comprises a metal outer pipe with a cavity, wherein one end of the metal outer pipe is a sealing end, and the other end of the metal outer pipe is an opening end;
the probe core wire is arranged in the cavity of the metal outer pipe and extends out of the opening end, and the exposed probe core wire and the metal outer pipe positioned at the opening end are sealed through the high-temperature-resistant resin.
According to the temperature sensing line structure, the sealing range of the high-temperature resistant resin comprises: the probe core wire comprises an open end of the metal outer tube, one side of the probe core wire extending out of the open end and close to the open end, and the outer wall of the metal outer tube close to the open end.
According to the temperature sensing wire structure, the compensation wire comprises:
a hollow wire housing;
the compensation core wire penetrates through the wire shell and extends out of the wire shell, and the probe core wire is connected with the compensation core wire in a welding mode.
According to the temperature sensing wire structure, the number of the compensation core wires is two, and the number of the probe core wires is two.
According to the temperature-sensing line structure, the wrapping range of the high-temperature-resistant plastic layer comprises: the temperature-sensing probe comprises a probe core wire, a compensation core wire, a high-temperature-resistant resin sealing part, an outer wall of the metal outer tube, and an outer wall of the lead shell, wherein the probe core wire and the compensation core wire are welded at the connecting part, the high-temperature-resistant resin sealing part is close to one side of the compensation lead, and the outer wall of the lead shell is close to one side of the temperature-sensing probe.
According to the temperature-sensing line structure, the high-temperature-resistant plastic layer is formed through injection molding.
According to the temperature sensing line structure, the cross section of the injection molding of the high-temperature resistant plastic layer is oval or round.
According to the temperature sensing line structure, the insulating material layer is magnesium oxide;
and/or the high-temperature resistant plastic layer is a glass fiber organic silicon compound.
On the other hand, the utility model also provides a hot runner system, including the aforesaid the temperature thread structure.
The utility model provides a temperature-sensing line structure and hot runner system's beneficial effect lies in at least:
the utility model provides a temperature-sensing line structure and hot runner system, its simple structure is reasonable, safe and reliable, under normal conditions, the temperature-sensing line structure is placed for a long time, and moisture can not get into the inside of temperature-sensing probe yet, and then can not take place the phenomenon that insulation resistance descends and lead to the electric leakage, can guarantee good insulating properties completely under hot runner system's the normal service temperature, still improved the temperature sensing precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a temperature sensing line structure according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
| 100 | temperature |
| 10 | |
| 11 | Layer of |
| 12 | |
| 13 | High temperature |
| 14 | Metal |
| 141 | Sealed |
| 142 | |
| 20 | Compensating |
| 21 | |
| 22 | |
| 30 | High temperature resistant plastic layer |
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1, the present embodiment provides a temperature sensing line structure 100, including: the temperature-sensing probe 10 is characterized in that an insulating material layer 11 is filled in the temperature-sensing probe 10, and the exposed end of a probe core wire 12 of the temperature-sensing probe 10 is provided with a high-temperature-resistant resin 13 seal; and the compensation lead 20 is electrically connected with the temperature sensing probe 10, and the high-temperature resistant plastic layer 30 is tightly wrapped around the outer part of the joint of the compensation lead 20 and the temperature sensing probe 10 and the outer part of the high-temperature resistant resin 13.
The working principle of the temperature sensing line structure 100 provided by the embodiment is as follows:
the temperature sensing line structure 100 provided by the embodiment is characterized in that the exposed end of the probe core wire 12 of the temperature sensing probe 10 is provided with the high-temperature-resistant resin 13 for sealing the probe core wire, the compensation lead 20 and the outside of the joint of the temperature sensing probe 10 and the outside of the high-temperature-resistant resin 13 are all tightly wrapped with the high-temperature-resistant plastic layer 30 and directly form a sealing joint, so that moisture and water are prevented from entering the inside of the temperature sensing probe 10, the insulating material layer 11 inside the temperature sensing probe 10 is prevented from being affected with damp, the requirements of moisture and electricity prevention are met well, and the temperature sensing precision is also improved.
The temperature sensing line structure 100 provided by the embodiment has at least the following beneficial effects:
the temperature-sensing line structure 100 that this embodiment provided, its simple structure is reasonable, safe and reliable, under normal conditions, temperature-sensing line structure 100 is placed for a long time, and moisture also can not get into the inside of temperature-sensing probe 10, and then can not take place insulation resistance and descend and lead to the phenomenon of electric leakage, can guarantee good insulating properties completely under hot runner system's the normal service temperature, still improved the temperature sensing precision.
In one embodiment, the temperature-sensing probe 10 includes: a metal outer tube 14 having a cavity, wherein one end of the metal outer tube 14 is a sealed end 141, the sealed end 141 is in an arc shape, and the other end of the metal outer tube 14 is an open end 142; and the probe core wire 12 is arranged in the cavity of the metal outer tube 14 and extends out of the opening end 142, and the space between the exposed probe core wire 12 and the metal outer tube 14 positioned at the opening end 142 is sealed through the high-temperature-resistant resin 13. The arrangement realizes the sealing compactness of the opening end 142 of the temperature-sensitive probe 10, prevents moisture and water from entering the temperature-sensitive probe 10, and prevents the insulating material layer 11 in the temperature-sensitive probe 10 from being affected with damp.
In one embodiment, the sealing range of the refractory resin 13 includes: the open end 142 of the metal outer tube 14, the side of the probe core wire 12 extending out of the open end 142 near the open end 142, and the outer wall of the metal outer tube 14 near the open end 142. The arrangement realizes sealing of the opening end 142 of the metal outer tube 14 and sealing of one side of the probe core wire 12 close to the opening end 142 and the outer wall of the metal outer tube 14, improves the sealing performance of the temperature sensing probe 10, prevents moisture and water from entering the temperature sensing probe 10, and prevents the insulating material layer 11 inside the temperature sensing probe 10 from being affected with damp.
In one embodiment, the compensation conductor 20 includes: a hollow wire case 21; the compensation core wire 22 is arranged in the lead shell 21 in a penetrating way and extends out of the lead shell 21, and the probe core wire 15 is connected with the compensation core wire 22 in a welding way.
In one embodiment, the number of compensation wires 22 is two and the number of probe wires 12 is two.
In one embodiment, the wrapping range of the refractory plastic layer 30 includes: the welding joint of the probe core wire 12 and the compensation core wire 22, the sealing part of the high-temperature resistant resin 13, the outer wall of the metal outer tube 14 close to one side of the compensation lead 20, and the outer wall of the lead shell 21 close to one side of the temperature-sensitive probe 10. The arrangement can not only seal the connection part of the compensation lead 20 and the temperature-sensing probe 10, but also seal the sealing part of the high-temperature-resistant resin 13 again, and wrap the sealing part to the outer wall of the metal outer tube 14 and the outer wall of the lead shell 21, thereby further improving the sealing performance of the temperature-sensing line structure 100, preventing moisture and water from entering the inside of the temperature-sensing probe 10, and preventing the insulating material layer 11 inside the temperature-sensing probe 10 from being affected with damp.
In one embodiment, the high temperature resistant plastic layer 30 is formed by injection molding, and the injection molding method has high production speed and efficiency, and the operation can be automated.
In one embodiment, the cross-sectional shape of the injection-molded high temperature resistant plastic layer 30 is an ellipse or a circle, so that the temperature sensing wire structure 100 is more convenient in use. It should be understood that the cross-sectional shape of the injection molding of the high temperature resistant plastic layer 30 is not limited to the above shape, and may be other shapes, and is not limited herein.
In one embodiment, the insulating material layer 11 is magnesium oxide powder; and/or the high-temperature resistant resin 13 is various high-temperature resistant resin adhesives; and/or the high-temperature resistant plastic layer 30 is a glass fiber organic silicon compound.
The utility model also provides a hot runner system, including the aforesaid thalposis line structure 100.
The hot runner system provided by the embodiment has the beneficial effects that:
the hot runner system that this embodiment provided, it includes above-mentioned temperature-sensing line structure 100, under normal conditions, temperature-sensing line structure 100 is placed for a long time, and humidity and moisture also can not get into the inside of temperature-sensing probe 10, and then can not take place insulation resistance and descend and lead to the phenomenon of electric leakage, can guarantee good insulating properties completely under hot runner system's the normal operating temperature, still improved the temperature sensing precision.
In summary, the present embodiment provides the temperature sensing line structure 100, which includes: the temperature-sensing probe 10 is characterized in that an insulating material layer 11 is filled in the temperature-sensing probe 10, and the exposed end of a probe core wire 12 of the temperature-sensing probe 10 is provided with a high-temperature-resistant resin 13 seal; and the compensation lead 20 is electrically connected with the temperature sensing probe 10, and the high-temperature resistant plastic layer 30 is tightly wrapped around the outer part of the joint of the compensation lead 20 and the temperature sensing probe 10 and the outer part of the high-temperature resistant resin 13. The present embodiment further provides a hot runner system, which includes the temperature sensing wire structure 100 described above. The temperature-sensing line structure 100 and the hot runner system that this embodiment provided, its simple structure is reasonable, safe and reliable, and under normal conditions, temperature-sensing line structure 100 is placed for a long time, and moisture also can not get into the inside of temperature-sensing probe 10, and then can not take place the phenomenon that insulation resistance descends and leads to the electric leakage, can guarantee good insulating properties completely under hot runner system's the normal service temperature, still improved the temperature sensing precision.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A temperature sensing wire structure, comprising:
the temperature-sensing probe is filled with an insulating material layer, and the exposed end of a probe core wire of the temperature-sensing probe is provided with a high-temperature-resistant resin seal;
the compensation wire is electrically connected with the temperature-sensitive probe, and the periphery of the connection part of the compensation wire and the temperature-sensitive probe and the periphery of the outside of the high-temperature-resistant resin are tightly wrapped with high-temperature-resistant plastic layers.
2. The temperature sensing wire structure of claim 1, wherein the temperature sensing probe comprises:
the device comprises a metal outer pipe with a cavity, wherein one end of the metal outer pipe is a sealing end, and the other end of the metal outer pipe is an opening end;
the probe core wire is arranged in the cavity of the metal outer pipe and extends out of the opening end, and the exposed probe core wire and the metal outer pipe positioned at the opening end are sealed through the high-temperature-resistant resin.
3. The temperature sensing wire structure of claim 2, wherein the sealing range of the high temperature resistant resin comprises: the probe core wire comprises an open end of the metal outer tube, one side of the probe core wire extending out of the open end and close to the open end, and the outer wall of the metal outer tube close to the open end.
4. The temperature sensing line structure of claim 2, wherein the compensation wire comprises:
a hollow wire housing;
the compensation core wire penetrates through the wire shell and extends out of the wire shell, and the probe core wire is connected with the compensation core wire in a welding mode.
5. The temperature sensing wire structure of claim 4 wherein the number of compensation wires is two and the number of probe wires is two.
6. The temperature sensing wire structure of claim 4, wherein the covering range of the high temperature resistant plastic layer comprises: the temperature-sensing probe comprises a probe core wire, a compensation core wire, a high-temperature-resistant resin sealing part, an outer wall of the metal outer tube, and an outer wall of the lead shell, wherein the probe core wire and the compensation core wire are welded at the connecting part, the high-temperature-resistant resin sealing part is close to one side of the compensation lead, and the outer wall of the lead shell is close to one side of the temperature-sensing probe.
7. The temperature sensing wire structure of claim 1, wherein the high temperature resistant plastic layer is injection molded.
8. The temperature sensing wire structure of claim 7, wherein the cross-sectional shape of the injection molding of the high temperature resistant plastic layer is oval or circular.
9. The temperature sensing line structure of claim 7, wherein the insulating material layer is magnesium oxide;
and/or the high-temperature resistant plastic layer is a glass fiber organic silicon compound.
10. A hot-runner system, comprising: comprising the temperature sensing wire structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022500321.1U CN213733161U (en) | 2020-11-02 | 2020-11-02 | Temperature-sensing line structure and hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022500321.1U CN213733161U (en) | 2020-11-02 | 2020-11-02 | Temperature-sensing line structure and hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213733161U true CN213733161U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022500321.1U Active CN213733161U (en) | 2020-11-02 | 2020-11-02 | Temperature-sensing line structure and hot runner system |
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| Country | Link |
|---|---|
| CN (1) | CN213733161U (en) |
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- 2020-11-02 CN CN202022500321.1U patent/CN213733161U/en active Active
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