CN212988627U - High-temperature-resistant NTC temperature sensor with reliable connection - Google Patents
High-temperature-resistant NTC temperature sensor with reliable connection Download PDFInfo
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- CN212988627U CN212988627U CN202022034095.2U CN202022034095U CN212988627U CN 212988627 U CN212988627 U CN 212988627U CN 202022034095 U CN202022034095 U CN 202022034095U CN 212988627 U CN212988627 U CN 212988627U
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Abstract
The utility model belongs to the technical field of temperature sensor, a connect reliable high temperature resistant NTC temperature sensor is related to. The NTC temperature sensor comprises an NTC thermistor, a first lead and a second lead, wherein a first lead and a second lead are led out from two ends of the NTC thermistor, the first lead and the first lead are riveted by adopting a first riveting terminal, and the second lead are riveted by adopting a second riveting terminal; the first lead wire exceeds the end part of the first riveting terminal and is contacted with the first lead wire, and the second lead wire exceeds the end part of the second riveting terminal and is contacted with the second lead wire; the first lead exceeding the end part of the first riveting terminal is connected with the first lead by spot welding to form a first welding spot, and the second lead exceeding the end part of the second riveting terminal is connected with the second lead by spot welding to form a second welding spot. The NTC thermistor lead wire and the lead wire of the temperature sensor are connected in a double-connection mode through the riveting terminal and the spot welding, the connection is reliable, and the NTC temperature sensor is prevented from being out of order during use.
Description
Technical Field
The utility model belongs to the technical field of temperature sensor, concretely relates to connect reliable high temperature resistant NTC temperature sensor.
Background
The electric iron and the garment steamer in the prior art use NTC thermistor temperature sensors to accurately measure the temperature of the soleplate and ensure the normal working temperature of 60-250 ℃.
The NTC thermistor and the lead wire of the temperature sensor used under high temperature are usually connected by welding or riveting with copper strips. The welding connection has simple structure and good contact, but the welding spot is easy to break and has low mechanical strength; the riveting connection can meet the requirement on mechanical strength, but because the electric iron and the garment steamer are subjected to cold and heat changes during working, the riveting point between the NTC thermistor lead wire and the lead wire is subjected to cold and heat changes to cause thermal expansion and cold contraction, so that the NTC thermistor lead wire and the lead wire are in virtual contact to cause the NTC temperature sensor to lose efficacy, and safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in view of the above-mentioned defect, the utility model provides a connect reliable high temperature resistant NTC temperature sensor, through riveting terminal and spot welding connection dual connection between NTC thermistor lead wire and the wire, connect reliably, it is malfunctioning when avoiding NTC temperature sensor to use.
The utility model provides a technical scheme that its technical problem adopted as follows: the high-temperature-resistant NTC temperature sensor with reliable connection comprises an NTC thermistor, a first lead and a second lead, wherein a first lead and a second lead are led out from two ends of the NTC thermistor, the first lead and the first lead are riveted by adopting a first riveting terminal, and the second lead are riveted by adopting a second riveting terminal; the first lead wire exceeds the end part of the first riveting terminal and is contacted with the first lead wire, and the second lead wire exceeds the end part of the second riveting terminal and is contacted with the second lead wire; the first lead exceeding the end part of the first riveting terminal is connected with the first lead by spot welding to form a first welding spot, and the second lead exceeding the end part of the second riveting terminal is connected with the second lead by spot welding to form a second welding spot;
the NTC thermistor, the first lead, the second lead, a portion of the first lead, and a portion of the second lead are defined in a Teflon sleeve.
After the first lead wire and the second lead wire led out from the two ends of the NTC thermistor are riveted and connected with the first lead wire and the second lead wire through the first riveting terminal and the second riveting terminal respectively, the excessive lead wires are connected with the corresponding lead wires in a spot welding manner respectively, so that the mechanical strength between the lead wires and the lead wires is ensured, the possible virtual contact is eliminated, the double connection is realized, the connection is reliable, and the malfunction of the NTC temperature sensor during use is avoided; the NTC thermistor, the first lead wire, the second lead wire, part of the first lead wire and part of the second lead wire are coated by the Teflon sleeve, so that important parts of the temperature sensor are protected, and the service life and the stability of a product in use are improved.
Further, the first lead wire exceeds the first riveting terminal by 1.5-2.5mm, and the second lead wire exceeds the second riveting terminal by 1.5-2.5 mm. The first lead and the second lead are controlled to exceed proper lengths, so that the stability of forming welding spots through spot welding connection can be ensured, and resource waste caused by overlong leads is avoided.
Furthermore, the first riveting terminal is a preformed copper strip, the cross section of the first riveting terminal is of a U-shaped structure, and a plurality of first convex ribs are arranged outside the first riveting terminal; the second riveting terminal is a preformed copper strip, the section of the second riveting terminal is of a U-shaped structure, and a plurality of second convex ribs are arranged outside the second riveting terminal. The convex ribs are additionally arranged on the first riveting terminal and the second riveting terminal, so that the contact area can be effectively increased, the riveting firmness is ensured, and the possibility of generating virtual contact is further reduced.
Further, the first ribs have two, and the second ribs have two.
Furthermore, a support for fixing is arranged on the Teflon sleeve, and a mounting hole is formed in the support. The bracket with the mounting hole is introduced to fix the temperature sensor, so that the temperature sensor is convenient to use and simple and convenient to mount.
Furthermore, the support is of an L-shaped structure, the mounting hole is formed in one side edge of the support of the L-shaped structure, and the other side of the support penetrates through the Teflon sleeve and is fixed with the Teflon sleeve. The stability of the temperature sensor after installation can be ensured by the support with the L-shaped structure, one side of which penetrates through the Teflon casing pipe.
Further, the other end of the first lead and the other end of the second lead are provided with connectors. The introduction of the connector can simplify the connection mode between the temperature sensor and the electric iron or the garment steamer, and the installation and the maintenance are convenient.
The utility model has the advantages that:
1. after the first lead wire and the second lead wire led out from the two ends of the NTC thermistor are riveted and connected with the first lead wire and the second lead wire through the first riveting terminal and the second riveting terminal respectively, the excessive lead wires are connected with the corresponding lead wires in a spot welding manner respectively, so that the mechanical strength between the lead wires and the lead wires is ensured, the possible virtual contact is eliminated, the double connection is realized, the connection is reliable, and the malfunction of the NTC temperature sensor during use is avoided; the NTC thermistor, the first lead wire, the second lead wire, part of the first lead wire and part of the second lead wire are coated by the Teflon sleeve, so that important parts of the temperature sensor are protected, and the service life and the stability of a product in use are improved; the first lead and the second lead are controlled to exceed proper lengths, so that the stability of forming welding spots through spot welding connection can be ensured, and resource waste caused by overlong leads is avoided.
2. The convex ribs are added on the first riveting terminal and the second riveting terminal, so that the contact area can be effectively increased, the riveting firmness is ensured, and the possibility of generating virtual contact is further reduced; the bracket with the mounting hole is introduced to fix the temperature sensor, so that the temperature sensor is convenient to use and simple and convenient to mount; one side of the bracket passes through the L-shaped structure of the Teflon sleeve to ensure the stability of the temperature sensor after installation; the introduction of the connector can simplify the connection mode between the temperature sensor and the electric iron or the garment steamer, and the installation and the maintenance are convenient.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of a first rivet terminal;
FIG. 4 is a schematic view of a second rivet terminal;
wherein: the thermistor comprises an NTC thermistor body 1, a first lead 11, a second lead 12, a first lead 2, a second lead 3, a first riveting terminal 41, a second riveting terminal 42, a first rib 43, a second rib 44, a bracket 5, a mounting hole 51, a Teflon sleeve 6, a first welding point 71, a second welding point 72 and a connector 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the high-temperature resistant NTC temperature sensor with reliable connection comprises an NTC thermistor 1, a first lead 2 and a second lead 3, wherein a first lead 11 and a second lead 12 are led out from two ends of the NTC thermistor 1, the first lead 11 and the first lead 2 are riveted by a first riveting terminal 41, and the second lead 12 and the second lead 3 are riveted by a second riveting terminal 42; the first lead 2 exceeds the end part of the first riveting terminal 41 by 1.5-2.5mm and is contacted with the first lead 11, the second lead 3 exceeds the end part of the second riveting terminal 42 by 1.5-2.5mm and is contacted with the second lead 12, the length of the first lead 2 exceeding the first riveting terminal 41 is preferably 2mm, and the length of the second lead 3 exceeding the second riveting terminal 42 is preferably 2 mm; the first lead 2 exceeding the end of the first riveting terminal 41 is connected with the first lead 11 by spot welding to form a first welding spot 71, and the second lead 3 exceeding the end of the second riveting terminal 42 is connected with the second lead 12 by spot welding to form a second welding spot 72;
the NTC thermistor 1, the first lead wire 11, the second lead wire 12, a part of the first lead wire 2 and a part of the second lead wire 3 are limited in a Teflon sleeve 6, a bracket 5 for fixing is arranged on the Teflon sleeve 6, a mounting hole 51 is formed in the bracket 5, the bracket 5 is of an L-shaped structure, the mounting hole 51 is arranged at one side of the L-shaped structure bracket 5, and the other side of the bracket 5 penetrates through the Teflon sleeve 6 and is fixed with the Teflon sleeve 6;
referring to fig. 3 and 4, the first riveting terminal 41 is a preformed copper strip, the cross section of the first riveting terminal 41 is a U-shaped structure, and a plurality of first ribs 43 are arranged outside the first riveting terminal 41; the second riveting terminal 42 is a preformed copper strip, the cross section of the second riveting terminal 42 is of a U-shaped structure, a plurality of second convex ribs 44 are arranged outside the second riveting terminal 42, specifically, the first convex ribs 43 are two, and the second convex ribs 44 are two.
Referring to fig. 1 and 2, the other end of the first conductor 2 and the other end of the second conductor 3 are provided with connectors 8.
After the first lead wire 11 and the second lead wire 12, the first lead wire 2 and the second lead wire 3 which are led out from the two ends of the NTC thermistor are riveted and connected through the first riveting terminal 41 and the second riveting terminal 42 respectively, the excessive lead wires are connected with the corresponding lead wires in a spot welding manner respectively, so that the mechanical strength between the lead wires and the lead wires is ensured, the possible virtual contact is eliminated, the double connection is realized, the connection is reliable, and the malfunction of the NTC temperature sensor during use is avoided; the NTC thermistor 1, the first lead wire 11, the second lead wire 12, part of the first lead wire 2 and part of the second lead wire 3 are coated by the Teflon sleeve 6, so that important parts of the temperature sensor are protected, and the service life and the stability of a product in use are improved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The high-temperature-resistant NTC temperature sensor is reliable in connection, and comprises an NTC thermistor, a first lead and a second lead, and is characterized in that a first lead and a second lead are led out from two ends of the NTC thermistor, the first lead and the first lead are riveted by adopting a first riveting terminal, and the second lead are riveted by adopting a second riveting terminal; the first lead wire exceeds the end part of the first riveting terminal and is contacted with the first lead wire, and the second lead wire exceeds the end part of the second riveting terminal and is contacted with the second lead wire; the first lead exceeding the end part of the first riveting terminal is connected with the first lead by spot welding to form a first welding spot, and the second lead exceeding the end part of the second riveting terminal is connected with the second lead by spot welding to form a second welding spot;
the NTC thermistor, the first lead, the second lead, a portion of the first lead, and a portion of the second lead are defined in a Teflon sleeve.
2. The high temperature-resistant NTC temperature sensor of claim 1, in which: the first lead wire exceeds the first riveting terminal by 1.5-2.5mm, and the second lead wire exceeds the second riveting terminal by 1.5-2.5 mm.
3. The high temperature-resistant NTC temperature sensor of claim 1, in which: the first riveting terminal is a preformed copper strip, the section of the first riveting terminal is of a U-shaped structure, and a plurality of first convex ribs are arranged outside the first riveting terminal; the second riveting terminal is a preformed copper strip, the section of the second riveting terminal is of a U-shaped structure, and a plurality of second convex ribs are arranged outside the second riveting terminal.
4. The high temperature-resistant NTC temperature sensor of claim 3, in which: the convex ribs are two.
5. The high temperature-resistant NTC temperature sensor of claim 1, in which: the Teflon casing pipe is provided with a bracket for fixing, and the bracket is provided with a mounting hole.
6. The high temperature-resistant NTC temperature sensor of claim 5, in which: the support is L shape structure, the mounting hole sets up in L shape structure support's a side, and the support opposite side passes the teflon sleeve pipe and is fixed with the teflon sleeve pipe.
7. The high temperature-resistant NTC temperature sensor of claim 1, in which: and connectors are arranged at the other end of the first lead and the other end of the second lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034095.2U CN212988627U (en) | 2020-09-17 | 2020-09-17 | High-temperature-resistant NTC temperature sensor with reliable connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034095.2U CN212988627U (en) | 2020-09-17 | 2020-09-17 | High-temperature-resistant NTC temperature sensor with reliable connection |
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| CN212988627U true CN212988627U (en) | 2021-04-16 |
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| CN202022034095.2U Active CN212988627U (en) | 2020-09-17 | 2020-09-17 | High-temperature-resistant NTC temperature sensor with reliable connection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383403A (en) * | 2022-08-17 | 2022-11-25 | 西安铁路信号有限责任公司 | Anti-burnout brake electric resistance band method |
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2020
- 2020-09-17 CN CN202022034095.2U patent/CN212988627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383403A (en) * | 2022-08-17 | 2022-11-25 | 西安铁路信号有限责任公司 | Anti-burnout brake electric resistance band method |
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