CN217687598U - Test fixture of NTC temperature sensing line - Google Patents
Test fixture of NTC temperature sensing line Download PDFInfo
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- CN217687598U CN217687598U CN202220136041.3U CN202220136041U CN217687598U CN 217687598 U CN217687598 U CN 217687598U CN 202220136041 U CN202220136041 U CN 202220136041U CN 217687598 U CN217687598 U CN 217687598U
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- temperature sensing
- organism
- ntc temperature
- test fixture
- sensing line
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Abstract
The utility model discloses a test fixture of NTC temperature sensing line, comprising a base plate, the central point on bottom plate top puts the department and is equipped with the organism, be equipped with circuit board on the inner wall of organism, circuit board's surface mounting has test module, test module's surface is equipped with equidistant test head, all be equipped with the heat dissipation mesh on the inner wall of organism both sides, the one end of heat dissipation mesh extends to the outside of organism, the cover is installed on the top of organism, the inside thermal-arrest board that is equipped with of organism of circuit board top, the top of thermal-arrest board is equipped with equidistant heat conduction wing post, the top of heat conduction wing post runs through the outside to the cover, all be fixed with heat conduction wing ring on the outer wall of heat conduction wing post. The utility model discloses not only prolonged test fixture's life, NTC temperature sensing line produces the phenomenon that drops when having reduced test fixture and using, has improved the convenience when test fixture uses moreover.
Description
Technical Field
The utility model relates to a test fixture technical field specifically is a test fixture of NTC temperature sensing line.
Background
The NTC temperature sensing wire is a transmission wire with negative temperature coefficient, which is mainly applied to various electronic devices, and during the production process, the NTC temperature sensing wire needs to be tested to ensure the quality, so that a corresponding test fixture is needed.
The existing test fixture in the market is not convenient for efficient heat dissipation treatment, so that the internal elements of the machine body are easily burnt due to high temperature, the service life of the machine body is further influenced, and people are often troubled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test fixture of NTC temperature sensing line to it is not convenient for carry out the problem of high-efficient heat dissipation processing to propose test fixture in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a test fixture of NTC temperature sensing line, includes the bottom plate, the central point on bottom plate top puts the department and is equipped with the organism, be equipped with circuit board on the inner wall of organism, circuit board's surface mounting has test module, test module's surface is equipped with equidistant test head, all be equipped with the heat dissipation mesh on the inner wall of organism both sides, the one end of heat dissipation mesh extends to the outside of organism, the cover is installed on the top of organism, the inside thermal-arrest board that is equipped with of organism of circuit board top, the top of thermal-arrest board is equipped with equidistant heat conduction wing post, the outside to the cover is run through on the top of heat conduction wing post, all be fixed with heat conduction wing ring on the outer wall of heat conduction wing post.
Preferably, all be equipped with down even board on the two lateral walls at organism top, even board is the bar structure down to settle the screw hole and handle.
Preferably, the surface of the machine body is provided with equidistant insertion ports, one end of each insertion port extends into the machine body, and an upper arc-shaped plate is arranged above each insertion port so as to insert the NTC temperature sensing line.
Preferably, all be equipped with on the cover outer wall of even board top down and link the board, the length of going up even board equals with the length of even board down to settle the processing to the pinhole.
Preferably, the both ends at even board top all are equipped with the screw hole down, the last even board bottom of screw hole top all is equipped with the pinhole, the top of pinhole extends to the outside of even board to settle the processing to the locking bolt.
Preferably, the top end of the upper connecting plate at the pin hole position is provided with a locking bolt, and the bottom end of the locking bolt penetrates through the pin hole and is in threaded connection with the threaded hole, so that the cover is disassembled.
Preferably, the machine body surface of going up the arc top all is equipped with a screw thread section of thick bamboo, the machine body surface that last arc one end was kept away from to the interface is fixed with down the arc to settle the processing to the screw-thread pole.
Preferably, the internal thread of the thread cylinder is connected with a threaded rod, the bottom end of the threaded rod extends to the outside of the thread cylinder and is rotatably connected with the top end of the upper arc-shaped plate, and the top end of the threaded rod extends to the outside of the thread cylinder so as to press and position the NTC temperature sensing line on the inner side of the lower arc-shaped plate.
Preferably, a rotary handle is arranged at the top end of the threaded rod so as to drive the threaded rod to rotate.
Compared with the prior art, the beneficial effects of the utility model are that: the test fixture for the NTC temperature sensing line not only prolongs the service life of the test fixture, reduces the phenomenon that the NTC temperature sensing line falls off when the test fixture is used, but also improves the convenience when the test fixture is used;
(1) The two groups of radiating meshes are symmetrically arranged on the inner wall of the machine body to achieve the purposes of ventilation and heat dissipation, then the heat collecting plate absorbs the heat energy in the machine body, and the heat conducting performance of the heat conducting fin column is enhanced by the heat conducting fin ring, so that the heat conducting fin column guides the heat energy absorbed by the heat collecting plate out of the machine body, the purpose of efficient heat dissipation can be achieved, the burning loss phenomenon of elements in the machine body due to high temperature can be reduced, and the service life of the test jig is prolonged;
(2) The rotating handle is rotated to drive the threaded rod to rotate and slide downwards in the threaded cylinder, so that the threaded rod drives the upper arc-shaped plate to move downwards, and the NTC temperature sensing line is pressed downwards and positioned on the inner side of the lower arc-shaped plate by the upper arc-shaped plate, so that the phenomenon that the NTC temperature sensing line falls off when the test fixture is used is reduced;
(3) Through rotatory locking bolt, make its inside that is located the pinhole rotate to make locking bolt's lower extreme screw out to the outside of screw hole, upwards stimulate the cover this moment, make and go up even board and break away from in the top of even board down, can detach the cover in the top of organism, so that overhaul the maintenance and handle, thereby improved the convenience when test fixture uses.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the external appearance structure of the machine body of the present invention;
fig. 3 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;
fig. 4 is an enlarged schematic structural view of the utility model at the position B in fig. 2;
fig. 5 is a schematic view of the top connection plate of the present invention.
In the figure: 1. a base plate; 2. a body; 3. radiating meshes; 4. a machine cover; 5. a heat conducting fin ring; 6. a heat-conducting fin column; 7. a heat collecting plate; 8. a test module; 9. a test head; 10. a circuit main board; 11. a lower connecting plate; 12. an upper connecting plate; 13. a pin hole; 14. locking the bolt; 15. a threaded hole; 16. a lower arc-shaped plate; 17. an upper arc plate; 18. a threaded barrel; 19. a threaded rod; 20. turning a handle; 21. an interface.
Detailed Description
The technical solution 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a test fixture for an NTC temperature sensing line comprises a bottom plate 1, a machine body 2 is arranged at the center of the top end of the bottom plate 1, lower connecting plates 11 are arranged on two outer side walls of the top of the machine body 2, and the lower connecting plates 11 are of strip-shaped structures;
when in use, the lower connecting plate 11 is arranged on the outer wall of the machine body 2 so as to arrange the threaded hole 15;
the surface of the machine body 2 is provided with the interfaces 21 with equal intervals, one end of each interface 21 extends into the machine body 2, and the upper arc-shaped plate 17 is arranged above each interface 21;
when in use, the inserting port 21 is arranged on the surface of the machine body 2 so as to insert the NTC temperature sensing line;
the outer wall of the machine cover 4 above the lower connecting plate 11 is provided with an upper connecting plate 12, and the length of the upper connecting plate 12 is equal to that of the lower connecting plate 11;
when in use, the upper connecting plate 12 is arranged on the outer wall of the machine cover 4 so as to arrange the pin hole 13;
threaded holes 15 are formed in two ends of the top of the lower connecting plate 11, pin holes 13 are formed in the bottom of the upper connecting plate 12 above the threaded holes 15, and the top ends of the pin holes 13 extend to the outer portion of the upper connecting plate 12;
when in use, the threaded holes 15 and the pin holes 13 are respectively arranged at the top of the lower connecting plate 11 and inside the upper connecting plate 12, so that the locking bolts 14 can be arranged;
the top end of the upper connecting plate 12 at the position of the pin hole 13 is provided with a locking bolt 14, and the bottom end of the locking bolt 14 penetrates through the pin hole 13 and is in threaded connection with the threaded hole 15;
when in use, the lower end of the locking bolt 14 is screwed out of the threaded hole 15 by rotating the locking bolt so as to disassemble the cover 4;
the surface of the machine body 2 above the upper arc-shaped plate 17 is provided with a thread cylinder 18, and the surface of the machine body 2 at one end of the inserting port 21 far away from the upper arc-shaped plate 17 is fixed with a lower arc-shaped plate 16;
when in use, the threaded cylinder 18 is arranged on the surface of the machine body 2 above the upper arc-shaped plate 17 so as to arrange the threaded rod 19;
a threaded rod 19 is connected with the inner thread of the threaded cylinder 18, the bottom end of the threaded rod 19 extends to the outer part of the threaded cylinder 18 and is rotatably connected with the top end of the upper arc-shaped plate 17, and the top end of the threaded rod 19 extends to the outer part of the threaded cylinder 18;
when in use, the threaded rod 19 drives the upper arc-shaped plate 17 to move downwards so as to press and position the NTC temperature sensing line at the inner side of the lower arc-shaped plate 16;
the top end of the threaded rod 19 is provided with a rotary handle 20;
when in use, the threaded rod 19 is driven to rotate by rotating the rotary handle 20;
a circuit main board 10 is arranged on the inner wall of the machine body 2, a test module 8 is arranged on the surface of the circuit main board 10, equally-spaced test heads 9 are arranged on the surface of the test module 8, heat dissipation meshes 3 are arranged on the inner walls of the two sides of the machine body 2, and one ends of the heat dissipation meshes 3 extend to the outside of the machine body 2;
a cover 4 is installed at the top end of the machine body 2, a heat collecting plate 7 is arranged inside the machine body 2 above the circuit main board 10, heat conducting fin columns 6 with equal intervals are arranged at the top end of the heat collecting plate 7, the top ends of the heat conducting fin columns 6 penetrate through the machine cover 4, and heat conducting fin rings 5 are fixed on the outer walls of the heat conducting fin columns 6.
When the testing head is used, firstly, one end of the NTC temperature sensing line penetrates through the insertion port 21 and is inserted into the testing head 9, the NTC temperature sensing line can be tested and processed through the testing module 8 and the circuit main board 10, then the rotating handle 20 is manually rotated to drive the threaded rod 19 to be located inside the threaded cylinder 18 to rotate and slide downwards, so that the threaded rod 19 drives the upper arc-shaped plate 17 to move downwards, at the moment, the upper arc-shaped plate 17 can press down the NTC temperature sensing line to be located inside the lower arc-shaped plate 16, the phenomenon that the NTC temperature sensing line falls off can be reduced, then, two groups of heat dissipation mesh holes 3 are symmetrically arranged on the inner wall of the machine body 2 to achieve the purposes of ventilation and heat dissipation, the dustproof, heat energy inside the machine body 2 is absorbed by the heat collection plate 7, after the heat conduction performance of the heat conduction fin column 6 is amplified by the heat conduction ring 5, the heat conduction fin column 6 guides the heat energy absorbed by the heat collection plate 7 to the outside of the machine body 2 so as to further perform heat dissipation, finally, the bolt 14 is locked by rotating, the lower end of the bolt 14 is pulled out of the screw hole 14, and the cover 4 is pulled out of the testing head to be maintained, and the testing head can be used.
Claims (9)
1. The utility model provides a test fixture of NTC temperature sensing line, its characterized in that, includes bottom plate (1), the central point on bottom plate (1) top puts the department and is equipped with organism (2), be equipped with circuit mainboard (10) on the inner wall of organism (2), the surface mounting of circuit mainboard (10) has test module (8), the surface of test module (8) is equipped with equidistant test head (9), all be equipped with heat dissipation mesh (3) on the inner wall of organism (2) both sides, the one end of heat dissipation mesh (3) extends to the outside of organism (2), cover (4) are installed on the top of organism (2), organism (2) inside of circuit mainboard (10) top is equipped with thermal-arrest board (7), the top of thermal-arrest board (7) is equipped with equidistant heat conduction wing post (6), the top of heat conduction wing post (6) runs through to the outside of cover (4), all be fixed with heat conduction wing ring (5) on the outer wall of heat conduction post (6).
2. The NTC temperature sensing line testing fixture of claim 1, wherein: the two outer side walls at the top of the machine body (2) are provided with lower connecting plates (11), and the lower connecting plates (11) are of strip-shaped structures.
3. The NTC temperature sensing line testing fixture of claim 1, wherein: the surface of the machine body (2) is provided with equidistant insertion ports (21), one end of each insertion port (21) extends into the machine body (2), and an upper arc-shaped plate (17) is arranged above each insertion port (21).
4. The NTC temperature sensing line testing fixture of claim 2, wherein: all be equipped with on cover (4) outer wall of even board (11) top down and link board (12), the length of going up even board (12) equals with the length of even board (11) down.
5. The NTC temperature sensing wire test fixture of claim 4, wherein: both ends at lower even board (11) top all are equipped with screw hole (15), last even board (12) bottom above screw hole (15) all is equipped with pinhole (13), the top of pinhole (13) extends to the outside of even board (12).
6. The NTC temperature sensing wire test fixture of claim 5, wherein: and a locking bolt (14) is installed at the top end of the upper connecting plate (12) at the position of the pin hole (13), and the bottom end of the locking bolt (14) penetrates through the pin hole (13) and is in threaded connection with the threaded hole (15).
7. The NTC temperature sensing wire test fixture of claim 3, wherein: the surface of the machine body (2) above the upper arc-shaped plate (17) is provided with a thread cylinder (18), and the surface of the machine body (2) at one end of the socket (21) far away from the upper arc-shaped plate (17) is fixed with a lower arc-shaped plate (16).
8. The NTC temperature sensing line test fixture of claim 7, wherein: the inside threaded connection of a screw thread section of thick bamboo (18) has threaded rod (19), the bottom of threaded rod (19) extends to the outside of a screw thread section of thick bamboo (18) and rotates with the top of last arc (17) to be connected, the top of threaded rod (19) extends to the outside of a screw thread section of thick bamboo (18).
9. The NTC temperature sensing wire test fixture of claim 8, wherein: and a rotary handle (20) is arranged at the top end of the threaded rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136041.3U CN217687598U (en) | 2022-01-18 | 2022-01-18 | Test fixture of NTC temperature sensing line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136041.3U CN217687598U (en) | 2022-01-18 | 2022-01-18 | Test fixture of NTC temperature sensing line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217687598U true CN217687598U (en) | 2022-10-28 |
Family
ID=83729921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220136041.3U Active CN217687598U (en) | 2022-01-18 | 2022-01-18 | Test fixture of NTC temperature sensing line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217687598U (en) |
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2022
- 2022-01-18 CN CN202220136041.3U patent/CN217687598U/en active Active
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