CN212084917U - Novel high-speed heat conduction thermal fuse - Google Patents
Novel high-speed heat conduction thermal fuse Download PDFInfo
- Publication number
- CN212084917U CN212084917U CN202021030778.4U CN202021030778U CN212084917U CN 212084917 U CN212084917 U CN 212084917U CN 202021030778 U CN202021030778 U CN 202021030778U CN 212084917 U CN212084917 U CN 212084917U
- Authority
- CN
- China
- Prior art keywords
- wire
- fusing
- independent
- fuse
- novel high
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a novel high-speed heat conduction thermal fuse, which comprises a connecting component and a temperature sensing component, wherein the connecting component comprises an electrical connector, a cylinder and a threaded connecting piece which are connected in sequence; the temperature sensing subassembly includes protection tube and fusing subassembly, the protection tube with threaded connection connects, the fusing subassembly set up in the protection tube, the fusing subassembly includes independent wire, shell wire and fusing element, the first end of fusing element is kept away from threaded connection spare, the second end of fusing element is close to threaded connection spare, independent wire is connected the first end of fusing element, the shell wire is connected the second end of fusing element, independent wire is in the first end of fusing element is buckled the back and is extended to coupling assembling, the shell wire is in the second end of fusing element to coupling assembling extends. The utility model relates to a novel high-speed heat conduction's thermal fuse has the advantage that heat-conduction is fast, the security is high.
Description
Technical Field
The utility model belongs to the technical field of the hot fuse device, specifically a novel high-speed heat conduction's thermal fuse.
Background
The thermal fuse is also called a temperature fuse, is a component which can be used for sensing external temperature through an internal thermosensitive element, and fusing a melt when the external temperature reaches a fusing point set by the thermal fuse so as to break a circuit, is an unrecoverable temperature protection device, and is widely applied to household appliances, communication equipment, vehicle-mounted equipment, chargers, rail transit facilities and the like. The existing thermal fuse has the defects that the temperature sensing part is too thick in design, the heat conduction is slow, the temperature sensing efficiency is low, when the external temperature reaches a fusing point, the temperature conducted to an internal thermal element does not reach the fusing point, namely, the external temperature reaches the fusing point, the thermal fuse does not work, and great potential safety hazard exists in the use process.
Therefore, there is a need to provide a novel thermal fuse with high thermal conductivity, which solves the problems of slow thermal conductivity and low safety of the existing thermal fuse.
SUMMERY OF THE UTILITY MODEL
In view of the problem that the background art provided, the utility model aims at providing a novel high-speed heat conduction's thermal fuse, aim at solving the problem that current thermal fuse heat-conduction is slow, the security is low.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel high speed thermally conductive thermal fuse, comprising:
the connecting assembly comprises an electrical connector, a cylinder and a threaded connecting piece which are sequentially connected;
temperature sensing subassembly, the temperature sensing subassembly includes protection tube and fusing subassembly, the protection tube with threaded connection connects, the fusing subassembly set up in the protection tube, the fusing subassembly includes independent wire, shell wire and fusing element, the first end of fusing element is kept away from threaded connection, the second end of fusing element is close to threaded connection, independent wire is connected the first end of fusing element, the shell wire is connected the second end of fusing element, independent wire is in the first end of fusing element is buckled the back and is extended to coupling assembling, the shell wire is in the second end of fusing element to coupling assembling extends.
Preferably, the shape of fusing element is the rectangle, independent wire with the shell wire respectively with two minor face middle parts of fusing element link to each other, independent wire is including the first independent wire and the second independent wire that connect gradually, first independent wire is through buckling 180 formation, first independent wire include with first connecting portion, second connecting portion and the connection that fusing element links to each other first connecting portion with the kink of second connecting portion, the shell wire is including the first shell wire and the second shell wire that connect gradually, first connecting portion the second independent wire first shell wire and the second shell wire two liang of parallel just all with the long limit of fusing element is parallel.
Preferably, the distance between the first connecting portion, the second independent wire, the first shell wire, the second shell wire and the fusing element long edge with the largest distance is smaller than 6.5mm, the length of the first connecting portion is 2-5mm, the protection tube is a cylindrical tube, the wall thickness is 0.4-0.6 mm, and the diameter is 7-10 mm.
Preferably, the first individual wire and the second individual wire are connected by PC crimping, and the first housing wire and the second housing wire are connected by PC crimping.
Preferably, a connection portion of the first connection portion and the fusing element is filled with resin.
Preferably, the independent lead and the shell lead are sleeved with PTFE insulating tubes.
Preferably, a heat-conducting glue is filled between the protection tube and the fusing assembly in a potting mode.
Preferably, the electrical connector is a heusman connector.
Preferably, the protection tube is made of 304S stainless steel, and is polished by using an argon arc welding end socket.
The beneficial effects of the utility model mainly include: the middle part of the upper short side of the fuse element is connected with a first shell lead, the middle part of the lower short side of the fuse element is connected with a first independent lead, the first independent lead is bent 180 degrees after being connected with the fuse element and extends to the connecting assembly in parallel to the first shell lead to complete connection, the size of the fuse assembly is shortened by changing the placement mode of the fuse element and the connection mode of the fuse element and the lead at certain time, meanwhile, the independent lead and the shell lead are both of two-section design, the diameter of a bending part is as large as possible under the condition that the space in a protection tube is limited, the first independent lead is prevented from being broken, and the fuse element can be conveniently attached and placed in the protection tube. Through the size that occupies who shortens temperature sensing assembly and then the size that shortens the protection tube, shortened temperature sensing assembly's whole thickness promptly, a novel high-speed thermal conduction's thermal fuse at the during operation, when ambient temperature reached the fusing point, high-speed thermal conduction's temperature sensing assembly can make fuse-element fusing with temperature conduction to fuse element immediately, has greatly improved thermal fuse's conduction efficiency and security.
Drawings
Fig. 1 is a schematic view of an overall structure of a novel high-speed thermal conduction thermal fuse according to an embodiment of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic diagram of a connection of a pressure transmitter with a protection function according to an embodiment of the present invention.
The reference numbers illustrate:
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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The present invention is described in the directions of "up", "down", "front", "back", "left", "right", etc. with reference to the directions shown in fig. 1 to 3, and is only used to explain the relative positional relationship between the components in the postures shown in fig. 1 to 3, and if the specific posture is changed, the directional indication is correspondingly changed accordingly.
The utility model provides a novel high-speed heat conduction thermal fuse, as shown in fig. 1 to 3, comprising a connecting component 10 and a temperature sensing component 20, wherein the connecting component 10 comprises an electrical connector 11, a cylinder 12 and a threaded connector 13 which are connected in sequence; temperature sensing subassembly 20 includes protection tube 21 and fusing subassembly 22, protection tube 21 is connected with threaded connection 13, fusing subassembly 22 sets up in protection tube 21, fusing subassembly 22 includes independent wire 221, shell wire 222 and fusing component 223, threaded connection 13 is kept away from to fusing component 223's first end, fusing component 223's second end is close to threaded connection 13, fusing component 223's first end is connected to independent wire 221, shell wire 222 connects fusing component 223's second end, independent wire 221 extends to coupling assembling 10 after fusing component 223's first end is buckled, shell wire 222 extends to coupling assembling 10 at fusing component 223's second end. The fuse element 223 is rectangular, the independent wire 221 and the housing wire 222 are respectively connected to the middle of two short sides of the fuse element 223, the independent wire 221 includes a first independent wire 2211 and a second independent wire 2212 which are sequentially connected, the first independent wire 2211 is formed by bending 180 degrees, the first independent wire 2211 includes a first connection portion 22111 connected to the fuse element 223, a second connection portion 22112 and a bending portion 22113 connected to the first connection portion 22111 and the second connection portion 22112, the housing wire 222 includes an AAA and a second housing wire 2222 which are sequentially connected, the first connection portion 22111, the second connection portion 22112, the second independent wire 2212, the AAA and the second housing wire 2222 are parallel to each other and are parallel to the long side of the fuse element 223.
Specifically, as shown in fig. 1 to 3, the connecting assembly 10 is connected to the temperature sensing assembly 20, the temperature sensing assembly 20 is disposed at the lower end and connected to the connecting assembly 10 at the upper end, and the temperature sensing assembly 20 at the lower end senses the temperature to control whether the thermal fuse is fused. The rectangular fuse element 223 is vertically arranged, that is, the upper and lower sides are short sides, the left and right sides are long sides, the middle portion of the upper short side of the fuse element 223 is connected with AAA, the middle portion of the lower short side of the fuse element 223 is connected with the first independent wire 2211, and the first independent wire 2211 is bent 180 degrees after being connected with the fuse element 223 and extends to the connection assembly 10 in parallel to complete connection, the placement of the fuse element 223 and the connection with the wire are changed to shorten the size of the fuse assembly 22 when the size of the fuse element 223 is fixed, meanwhile, the independent wire 221 and the housing wire 222 are designed in two segments, in this embodiment, the second independent wire 2212 and the second housing wire 2222 are arranged between the second connection portion 22112 and the AAA, that is, the second connection portion 22112 and the AAA are respectively located at the left and right outermost sides, the diameter of the bent portion 22113 is as large as, the first independent wire 2211 is prevented from being broken, and the fusing element 223 can be conveniently attached to and arranged in the protection tube 21. Through the size that occupies who shortens temperature sensing assembly 20 and then shortens protection tube 21's size, shortened temperature sensing assembly 20's whole thickness promptly, a novel high-speed thermal conduction's thermal fuse at the during operation, when ambient temperature reached the fusing point, high-speed thermal conduction's temperature sensing assembly 20 can be immediately with temperature conduction to fuse element 223 messenger fuse-element fusing, greatly improved thermal fuse's conduction efficiency and security.
Further, the distance between the first connection portion 22111, the second connection portion 22112, the second independent wire 2212, the AAA, the second housing wire 2222, and the fusing element 223, which are parallel to each other, with the largest distance between the long sides is less than 6.5mm, the length of the first connection portion 22111 is 2-5mm, the protection tube 21 is a cylindrical tube, the wall thickness is 0.4mm-0.6mm, and the diameter is 7mm-10 mm.
As shown in fig. 2, in this embodiment, the diameter of the bending portion 22113 is 4.5mm, the right long side of the fuse element 223 is located at the rightmost side of the protection tube 21, the second connecting portion 22112 is located at the leftmost side of the protection tube 21, the distance between the right long side of the fuse element 223 and the second connecting portion 22112 is 6.4mm, the wall thickness of the protection tube 21 is 0.5mm, the fuse component 22 is attached to and arranged in the cylindrical protection tube 21 with the diameter of 8mm, the thickness of the temperature sensing component 20 is extremely thin, and the gap between the fuse component 22 and the protection tube 21 is extremely small, so that the heat conduction efficiency of the novel high-speed heat conduction thermal fuse is.
Further, the first individual wire 2211 and the second individual wire 2212 are connected by PC crimping, and the AAA and the second housing wire 2222 are connected by PC crimping, which effectively reduces the influence of heat on the performance of the body.
Further, the connection portion of the first connection portion 22111 and the fuse element 223 is filled with resin 22114, which not only can insulate and connect the first isolated lead 2211 and the fuse element 223, but also can reinforce the connection portion of the first isolated lead 2211 and the fuse element 223 to prevent bending and breaking; the PTFE insulating tube 224 is sleeved outside the independent lead 221 and the outer shell lead 222, so that the situation that the independent lead 221 and the outer shell lead 222 in the protective tube 21 are directly in contact with each other to cause a thermal fuse short circuit and lose the function of the thermal fuse is avoided; heat-conducting glue 23 is filled between the protection tube 21 and the fusing component 22 in a sealing mode, so that the heat-conducting glue 23 is filled in a very small gap between the protection tube 21 and the fusing component 22, and the heat conduction efficiency is further improved; the electrical connector 11 is a hesmann connector, in the embodiment, the hesmann plug is screwed with a bolt by a rubber head hand, so that the conductor in the hesmann plug can be conveniently screwed and loosened when the space is limited; the protection tube 21 is made of 304S stainless steel, and is polished by using an argon arc welding end socket, so that the protection tube has better pressure resistance.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. A novel high-speed thermally conductive thermal fuse, comprising:
the connecting assembly comprises an electrical connector, a cylinder and a threaded connecting piece which are sequentially connected;
temperature sensing subassembly, the temperature sensing subassembly includes protection tube and fusing subassembly, the protection tube with threaded connection connects, the fusing subassembly set up in the protection tube, the fusing subassembly includes independent wire, shell wire and fusing element, the first end of fusing element is kept away from threaded connection, the second end of fusing element is close to threaded connection, independent wire is connected the first end of fusing element, the shell wire is connected the second end of fusing element, independent wire is in the first end of fusing element is buckled the back and is extended to coupling assembling, the shell wire is in the second end of fusing element to coupling assembling extends.
2. A novel high rate of thermal conduction thermal fuse as defined in claim 1, the fuse element is rectangular, the independent lead and the shell lead are respectively connected with the middle parts of two short sides of the fuse element, the independent wires comprise a first independent wire and a second independent wire which are connected in sequence, the first independent wire is formed by bending at 180 degrees, the first individual wire includes a first connection portion connected to the fuse element, a second connection portion, and a bent portion connecting the first connection portion and the second connection portion, the shell wire comprises a first shell wire and a second shell wire which are connected in sequence, and the first connecting portion, the second independent wire, the first shell wire and the second shell wire are parallel to each other and parallel to the long edge of the fusing element.
3. A novel high speed heat conduction thermal fuse as defined in claim 2 wherein the distance between the first connecting portion, the second independent conductor, the first case conductor, the second case conductor and the fuse element with the largest distance between the long sides is less than 6.5mm, the length of the first connecting portion is 2-5mm, the protection tube is a cylindrical tube with a wall thickness of 0.4-0.6 mm and a diameter of 7-10 mm.
4. A novel high rate of thermal conduction thermal fuse as defined in claim 2 wherein said first individual conductor and said second individual conductor are connected by PC crimping and said first housing conductor and said second housing conductor are connected by PC crimping.
5. A novel high-speed heat-conducting thermal fuse according to any one of claims 1-4, characterized in that the connection site of said first connection portion and said fuse element is filled with resin.
6. A novel high-speed heat-conducting thermal fuse according to any one of claims 1 to 4, characterized in that the independent wire and the case wire are both sheathed with PTFE insulation tubes.
7. The novel high-speed thermal conduction thermal fuse according to any one of claims 1-4, wherein a thermally conductive adhesive is encapsulated between the protection tube and the fuse assembly.
8. A novel high rate heat conduction thermal fuse as claimed in any one of claims 1 to 4 wherein said electrical connector is a Husky connector.
9. The thermal fuse according to any one of claims 1-4, wherein the protective tube is made of 304S stainless steel and is sealed with argon arc welding and polished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030778.4U CN212084917U (en) | 2020-06-08 | 2020-06-08 | Novel high-speed heat conduction thermal fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030778.4U CN212084917U (en) | 2020-06-08 | 2020-06-08 | Novel high-speed heat conduction thermal fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212084917U true CN212084917U (en) | 2020-12-04 |
Family
ID=73559005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021030778.4U Active CN212084917U (en) | 2020-06-08 | 2020-06-08 | Novel high-speed heat conduction thermal fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212084917U (en) |
-
2020
- 2020-06-08 CN CN202021030778.4U patent/CN212084917U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104979716A (en) | Connector | |
| CN108598355A (en) | A kind of secondary cell connection sheet and secondary cell | |
| CN205960251U (en) | Immediately, listen overheated electric connector | |
| CN212084917U (en) | Novel high-speed heat conduction thermal fuse | |
| CN107516748B (en) | Battery protection device and protection method | |
| CN212084918U (en) | Quick-connection type high-speed heat conduction thermal fuse | |
| CN216621510U (en) | Frame type cavity opening insulation temperature sensor | |
| CN213304475U (en) | Cable with cable protection device | |
| CN211043489U (en) | Current probe | |
| CN210533194U (en) | Detonator connecting adapter | |
| CN208336362U (en) | A kind of secondary cell connection sheet and secondary cell | |
| CN218677869U (en) | Connecting wire for household appliances | |
| CN216145580U (en) | Inserted fuse | |
| CN214068679U (en) | High-voltage current-limiting fuse for transformer protection | |
| CN212810643U (en) | Signal transmission connector | |
| CN220871931U (en) | Temperature sensor | |
| CN213400626U (en) | Resistance to compression heat-resistant type wire and cable | |
| CN215730910U (en) | A power cord and data line combination line body for aquarium | |
| CN215524874U (en) | Small-size temperature sensor | |
| CN211669331U (en) | Battery monomer voltage acquisition structure and voltage acquisition device | |
| CN208835008U (en) | A kind of round tube fuse-link contact being reserved with wire connection hole | |
| CN216596999U (en) | Novel flexible wiring harness HFC and warm-pressing acquisition assembly | |
| CN218274922U (en) | Battery core and power battery with same | |
| CN219832955U (en) | Battery pack and electric equipment | |
| CN216161674U (en) | Hybrid electrode temperature fuse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |