CN211181807U - Temperature fuse resistor of ceramic tube joint - Google Patents
Temperature fuse resistor of ceramic tube joint Download PDFInfo
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- CN211181807U CN211181807U CN201922237813.3U CN201922237813U CN211181807U CN 211181807 U CN211181807 U CN 211181807U CN 201922237813 U CN201922237813 U CN 201922237813U CN 211181807 U CN211181807 U CN 211181807U
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Abstract
The utility model provides a temperature fuse resistor of ceramic pipe joint, include: the temperature-controlled ceramic tube comprises a second ceramic tube 5, wherein the second ceramic tube 5 is a hollow cylindrical tube body with a through hole at the bottom, a temperature safety device is arranged in the second ceramic tube 5, the outside of the second ceramic tube 5 is wrapped and clamped with a metal shell 1, the metal shell 1 forms a first connecting part 11 at one end of a large hole of the second ceramic tube 5, the metal shell 1 is arranged in a first ceramic tube 4, a second connecting part 12 of the metal shell 1 is turned to the outside of the first ceramic tube 4 and clamped, the other end of the first ceramic tube 4 is provided with a metal conductive cap 2 and clamped, a third pin 8 is welded on the metal conductive cap 2 in a contact mode, and a resistance wire winding 3 is arranged between the metal conductive cap 2 and the second connecting part 12.
Description
Technical Field
The utility model relates to a resistor, concretely relates to temperature fuse resistor of ceramic pipe joint.
Background
The resistor and the fuse are similar in material and structure, and the fuse type resistor has the functions of both, can be used as a resistor at ordinary times, plays the role of the fuse to protect machine equipment once the current is abnormal, and reduces the cost along with the dual-purpose function. The fuse type wire-wound resistor is one of the common forms, however, at present, most resistance wire windings and temperature fuses are connected in series in a ceramic matrix, and the length and the volume of the resistor are large. Chinese patent publication No.: CN109994293A discloses a resistor with a built-in metal case temperature fuse, the resistance wire winding is located outside the ceramic substrate, and the fuse connected through the metal case is located inside the ceramic substrate, which has the advantages of reducing the volume of the resistor, but still has the following disadvantages: 1) the pin and the metal shell are likely to be touched in the production process, and unqualified products are easy to produce when the pin and the metal shell are sealed by glue pouring; 2) the fuse is disposable and can not be used after being fused.
SUMMERY OF THE UTILITY MODEL
Problem to the background art provides, the utility model aims at, provide a temperature fuse resistor of ceramic tube joint, prevent that pin collision metal casing from leading to the product unqualified in the production process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a ceramic tube clamped temperature fuse resistor comprising: the temperature control device comprises a second ceramic tube (5), wherein the second ceramic tube (5) is a hollow cylindrical tube body with a through hole at the bottom, a temperature safety device is arranged in the second ceramic tube (5), the outer part of the second ceramic tube (5) is wrapped and clamped with a metal shell (1), the metal shell (1) forms a first connecting part (11) at one end of a large hole of the second ceramic tube (5), the first connecting part (11) of the metal shell (1) is inwards arranged in the first ceramic tube (4), the second connecting part (12) of the metal shell (1) is turned over to the outer part of the first ceramic tube (4) and clamped, the other end of the first ceramic tube (4) is provided with a metal conductive cap (2) and clamped, a third pin (8) is welded on the metal conductive cap (2), and a resistance wire (3) is arranged between the metal conductive cap (2) and the second connecting part (12), and two ends of the resistance wire winding (3) are respectively and electrically connected with the metal conductive cap (2) and the second connecting part (12).
Further, a temperature fuse resistor of ceramic pipe joint, the temperature fuse is the temperature sensing alloy silk of cladding in advance, and the centre is big, and first pin (61) and second pin (62) are stretched out respectively at both ends, the main part of temperature fuse (6) is arranged in second ceramic pipe (5), the through-hole of second ceramic pipe (5) bottom is stretched out in second pin (62), the other end of second ceramic pipe (5) is stretched out in first pin (61), first pin (61) is by first connecting portion (11) cladding joint of metal casing (1) to use copper cap (7) to overlap tightly.
Further, a temperature fuse resistor of ceramic tube joint, set up second pin (62) in second ceramic pipe (5), the through-hole of second ceramic pipe (5) bottom is stretched out and is fixed on second ceramic pipe (5) to second pin (62) one end, the other end area contact stretches out the other end of second ceramic pipe (5), sets up temperature sensing ball (10) in first ceramic pipe (4) bottom, sets up movable contact (9) in temperature sensing ball (10) the place ahead, movable contact (9) coupling spring (60), spring (60) compression is outside second ceramic pipe (5) inside second pin (62), movable contact (9) and the contact and the first connecting portion (11) electric connection of second pin (62).
Further, a second pin (62) is arranged in the second ceramic tube (5), one end of the second pin (62) extends out of a through hole at the bottom of the second ceramic tube (5) and is fixed on the second ceramic tube (5), the other end of the second pin (62) is provided with a contact extending out of the other end of the second ceramic tube (5), a movable contact piece (9) is arranged in the first ceramic tube (4), the movable contact piece (9) is fixedly connected to a spring (60), the spring (60) is a shape memory spring, the spring (60) is arranged in the second ceramic tube (5) and outside the second pin (62), the movable contact piece (9) is electrically connected with a contact of the second pin (62) and a first connecting part (11), the movable contact piece (9) is provided with a movable space in the first ceramic tube (4), and the spring (60) extends after the temperature rises, the movable contact piece (9) is pushed away from the contact of the second pin (62) and the first connecting part (11).
Further, the temperature fuse resistor of ceramic tube joint, movable contact (9) have a plurality of contacts and first ceramic pipe (4) inner wall contact control moving path stable, and after the temperature dropped, shape memory spring shrink, movable contact (9) got back to the initial position.
The utility model has the advantages that: the second ceramic tube (5) is added, so that the stability of the temperature fuse (6) can be better protected, the process is more stable, and the defective rate is reduced; the second ceramic tube (5) is a hollow cylindrical tube body with a through hole at the bottom, dispensing is not needed, and a clamping process is adopted completely.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of a temperature fuse resistor clamped by a ceramic tube;
FIG. 2 is a schematic structural view of an embodiment 2 of a temperature fuse resistor clamped by a ceramic tube;
FIG. 3 is a schematic structural view of an embodiment 3 of a temperature fuse resistor clamped by a ceramic tube;
description of the drawings: the temperature-sensing fuse comprises a metal shell (1), a metal conductive cap (2), a resistance wire winding (3), a first ceramic tube (4), a second ceramic tube (5), a temperature fuse (6), a spring (60), a copper cap (7), a third pin (8), a movable contact piece (9), a heat-sensitive pill (10), a first connecting part (11), a second connecting part (12), a first pin (61) and a second pin (62).
Detailed Description
The present invention will be further described with reference to the accompanying drawings so as to facilitate the understanding of the present invention by those skilled in the art.
Example 1: as shown in fig. 1, a ceramic tube clamped temperature fuse resistor comprises: the temperature-sensing ceramic tube comprises a second ceramic tube (5), wherein the second ceramic tube (5) is a hollow cylindrical tube body with a through hole at the bottom, a temperature fuse (6) is arranged in the second ceramic tube (5), the temperature fuse (6) is a temperature-sensing alloy wire which is coated in advance, the middle of the temperature-sensing alloy wire is large, two ends of the temperature-sensing alloy wire respectively extend out of a first pin (61) and a second pin (62), the main body of the temperature fuse (6) is arranged in the second ceramic tube (5), the second pin (62) extends out of the through hole at the bottom of the second ceramic tube (5), the first pin (61) extends out of the other end of the second ceramic tube (5), the first pin (61) is coated and clamped by a first connecting part (11) of a metal shell (1) and tightly sleeved by a copper cap (7), the metal shell (1) is coated and clamped with the second ceramic tube (5), and the metal shell (1) is arranged in the first ceramic tube (4), the second connecting part (12) of the metal shell (1) is turned to the outside of the first ceramic tube (4) and clamped, the other end of the first ceramic tube (4) is provided with a metal conductive cap (2) and clamped, a third pin (8) is welded on the metal conductive cap (2), a resistance wire winding (3) is arranged between the metal conductive cap (2) and the second connecting part (12), and two ends of the resistance wire winding (3) are respectively and electrically connected with the metal conductive cap (2) and the second connecting part (12); through adding the hollow cylindrical pipe body with the through hole at the bottom, dispensing is not needed, and the clamping process is completely adopted.
Example 2: as shown in fig. 2, a ceramic tube clamped temperature fuse resistor comprises: the second ceramic tube (5) is a hollow cylindrical tube body with a through hole at the bottom, a second pin (62) is arranged in the second ceramic tube (5), one end of the second pin (62) extends out of the through hole at the bottom of the second ceramic tube (5) and is fixed on the second ceramic tube (5), the other end of the second pin (62) is provided with a contact and extends out of the other end of the second ceramic tube (5), the second ceramic tube (5) is externally wrapped and clamped with a metal shell (1), the metal shell (1) forms a first connecting part (11) at one end of a large hole of the second ceramic tube (5), a heat-sensitive pill (10) is arranged at the bottom of the first ceramic tube (4), a movable contact piece (9) is arranged in front of the heat-sensitive pill (10), the movable contact piece (9) is connected with a spring (60), the spring (60) is compressed in the second ceramic tube (5) and outside the second pin (62), the movable contact plate (9) is electrically connected with a contact of the second pin (62) and the first connecting part (11), the metal shell (1) is arranged in the first ceramic tube (4), the second connecting part (12) of the metal shell (1) is turned to the outside of the first ceramic tube (4) and clamped, the other end of the first ceramic tube (4) is provided with a metal conductive cap (2) and clamped, the third pin (8) is welded on the metal conductive cap (2), a resistance wire winding (3) is arranged between the metal conductive cap (2) and the second connecting part (12), and two ends of the resistance wire winding (3) are respectively and electrically connected with the metal conductive cap (2) and the second connecting part (12); a combination of a thermal pill (10), a spring (60) and a movable contact piece (9) is used instead of the temperature fuse (6), and the solution of the thermal pill (10) is another common form of the temperature fuse.
Example 3: as shown in fig. 2, a ceramic tube clamped temperature fuse resistor comprises: the second ceramic tube (5) is a hollow cylindrical tube body with a through hole at the bottom, a second pin (62) is arranged in the second ceramic tube (5), one end of the second pin (62) extends out of the through hole at the bottom of the second ceramic tube (5) and is fixed on the second ceramic tube (5), a contact at the other end extends out of the other end of the second ceramic tube (5), the second ceramic tube (5) is externally coated and clamped with a metal shell (1), the metal shell (1) forms a first connecting part (11) at one end of a large hole of the second ceramic tube (5), a movable contact piece (9) is arranged in the first ceramic tube (4), the movable contact piece (9) is fixedly connected to a spring (60), the spring (60) is a shape memory spring, the spring (60) is arranged in the second ceramic tube (5) and outside the second pin (62), the movable contact piece (9) is electrically connected with a contact of the second pin (62) and the first connecting part (11), the metal shell (1) is arranged in the first ceramic tube (4), the movable contact piece (9) has a movable space in the first ceramic tube (4), the spring (60) extends after the temperature rises to push the movable contact piece (9) away from the contact of the second pin (62) and the first connecting part (11), the movable contact piece (9) is provided with a plurality of contact points to be in contact with the inner wall of the first ceramic tube (4) to control the stability of a moving path, after the temperature drops, the shape memory spring contracts, the movable contact piece (9) returns to an initial position, the temperature fuse wire can be repeatedly used, the second connecting part (12) of the metal shell (1) is turned to the outside of the first ceramic tube (4) and clamped, the other end of the first ceramic tube (4) is provided with a metal conductive cap (2) and clamped, and a third pin (8) is butt-welded on the metal conductive cap (2), a resistance wire winding (3) is arranged between the metal conductive cap (2) and the second connecting part (12), and two ends of the resistance wire winding (3) are respectively and electrically connected with the metal conductive cap (2) and the second connecting part (12).
The above examples are only intended to illustrate the specific embodiments of the present invention, but not to limit the present invention, and it will be apparent to those skilled in the art that various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the protection scope of the present invention.
Claims (5)
1. A temperature fuse resistor of ceramic tube joint, characterized by comprising: the temperature control device comprises a second ceramic tube (5), wherein the second ceramic tube (5) is a hollow cylindrical tube body with a through hole at the bottom, a temperature safety device is arranged in the second ceramic tube (5), the outer part of the second ceramic tube (5) is wrapped and clamped with a metal shell (1), the metal shell (1) forms a first connecting part (11) at one end of a large hole of the second ceramic tube (5), the first connecting part (11) of the metal shell (1) is inwards arranged in the first ceramic tube (4), the second connecting part (12) of the metal shell (1) is turned over to the outer part of the first ceramic tube (4) and clamped, the other end of the first ceramic tube (4) is provided with a metal conductive cap (2) and clamped, a third pin (8) is welded on the metal conductive cap (2), and a resistance wire (3) is arranged between the metal conductive cap (2) and the second connecting part (12), and two ends of the resistance wire winding (3) are respectively and electrically connected with the metal conductive cap (2) and the second connecting part (12).
2. The temperature fuse resistor clamped by the ceramic tubes as claimed in claim 1, wherein the temperature fuse device is a temperature sensing alloy wire which is pre-coated, the middle of the temperature fuse resistor is large, the two ends of the temperature fuse resistor extend out of the first pin (61) and the second pin (62) respectively, the main body of the temperature fuse (6) is arranged in the second ceramic tube (5), the second pin (62) extends out of the through hole at the bottom of the second ceramic tube (5), the first pin (61) extends out of the other end of the second ceramic tube (5), and the first pin (61) is coated and clamped by the first connecting part (11) of the metal shell (1) and is tightly sleeved by the copper cap (7).
3. The temperature fuse resistor clamped by the ceramic tubes as claimed in claim 1, wherein a second pin (62) is arranged in the second ceramic tube (5), one end of the second pin (62) extends out of a through hole at the bottom of the second ceramic tube (5) and is fixed on the second ceramic tube (5), the other end of the second pin (62) is provided with a contact extending out of the other end of the second ceramic tube (5), a heat sensitive pellet (10) is arranged at the bottom of the first ceramic tube (4), a movable contact piece (9) is arranged in front of the heat sensitive pellet (10), the movable contact piece (9) is connected with a spring (60), the spring (60) is compressed in the second ceramic tube (5) and outside the second pin (62), and the movable contact piece (9) is electrically connected with the contact of the second pin (62) and the first connecting part (11).
4. The temperature fuse resistor clamped by ceramic tubes as claimed in claim 1, wherein a second pin (62) is arranged in the second ceramic tube (5), one end of the second pin (62) extends out of the through hole at the bottom of the second ceramic tube (5) and is fixed on the second ceramic tube (5), the other end of the second pin (62) is provided with a contact extending out of the other end of the second ceramic tube (5), a movable contact piece (9) is arranged in the first ceramic tube (4), the movable contact piece (9) is fixedly connected to a spring (60), the spring (60) is a shape memory spring, the spring (60) is arranged in the second ceramic tube (5) and outside the second pin (62), the movable contact piece (9) is electrically connected with the contact of the second pin (62) and the first connecting part (11), the movable contact piece (9) has a movable space in the first ceramic tube (4), the spring (60) stretches after the temperature rises, and pushes the movable contact piece (9) away from the contact of the second pin (62) and the first connecting part (11).
5. A ceramic tube clamped temperature fuse resistor as claimed in claim 4, characterized in that the movable contact (9) has a plurality of contacts contacting the inner wall of the first ceramic tube (4) to control the moving path to be stable, and after the temperature is reduced, the shape memory spring contracts and the movable contact (9) returns to the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237813.3U CN211181807U (en) | 2019-12-13 | 2019-12-13 | Temperature fuse resistor of ceramic tube joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237813.3U CN211181807U (en) | 2019-12-13 | 2019-12-13 | Temperature fuse resistor of ceramic tube joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211181807U true CN211181807U (en) | 2020-08-04 |
Family
ID=71802616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922237813.3U Active CN211181807U (en) | 2019-12-13 | 2019-12-13 | Temperature fuse resistor of ceramic tube joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211181807U (en) |
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2019
- 2019-12-13 CN CN201922237813.3U patent/CN211181807U/en active Active
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