CN217955576U

CN217955576U - Novel piece formula NTC thermistor

Info

Publication number: CN217955576U
Application number: CN202221625185.1U
Authority: CN
Inventors: 刘�英
Original assignee: Jiangsu Xinxing Electronic Co ltd
Current assignee: Jiangsu Xinxing Electronic Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-02
Anticipated expiration: 2032-06-28

Abstract

The utility model relates to a thermistor technical field just discloses a novel piece formula NTC thermistor, including the resistance body, the outer lane parcel of resistance body has the separation sleeve, the middle part of separation sleeve one end bottom is inlayed and is had conducting strip one, conducting strip one and the electrically conductive point contact of this end of resistance body, the middle part of separation sleeve other end bottom is inlayed and is had conducting strip two, just the middle part at this end top of separation sleeve is inlayed and is had conducting strip three, the bottom of conducting strip three and the electrically conductive point contact of the resistance body other end. This novel piece formula NTC thermistor leads to the setting of block structure, and two thermistors can be quick links together, reduce staff's welding thermistor's quantity, and this resistance is from taking soldering tin, has reduced staff's welding thermistor's step, improves work efficiency, and the volume of soldering tin is controllable among the thermistor welding process, is favorable to guaranteeing thermistor welded quality.

Description

Novel piece formula NTC thermistor

Technical Field

The utility model relates to a thermistor technical field specifically is a novel piece formula NTC thermistor.

Background

The negative temperature coefficient thermistor is also called NTC thermistor, and is a sensor resistor with resistance value decreasing along with temperature increase. The chip type NTC thermistor is one of NTC thermistors, and is mainly applied to hybrid design of multifunctional modules, IC and semiconductor device overheat protection, mobile power supply equipment and IT equipment.

Because piece formula NTC thermistor is directly pasted on the device when using, and thermistor is in the state that generates heat when using, consequently, the circuit board with thermistor direct contact damages because of high temperature easily, and thermistor is when the welding, the staff need be at the point solder joint on the circuit board earlier, after the one end of resistance is fixed, welding resistance's the other end again, thermistor welded step is many, lead to staff's work efficiency to hang down, when needing to establish ties a plurality of thermistors in the circuit, the staff need be in proper order to thermistor welding on the circuit board, seriously reduce staff's work efficiency, for this reason, propose a novel piece formula NTC thermistor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel piece formula NTC thermistor possesses thermal-insulated function, from taking soldering tin, improves NTC thermistor's welding efficiency and welding quality, and the series connection that two resistances can be quick improves the advantage of staff's work efficiency etc. has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a novel piece formula NTC thermistor, includes the resistance body, the outer lane parcel of resistance body has the separation sleeve, the middle part of separation sleeve one end bottom is inlayed and is had conducting strip one, conducting strip one and the electrically conductive point contact of this end of resistance body, the middle part of separation sleeve other end bottom is inlayed and is had conducting strip two, just the middle part at this end top of separation sleeve is inlayed and is had conducting strip three, conducting strip three's bottom and the electrically conductive point contact of the resistance body other end, conducting strip three and conducting strip two pass through the busbar and be connected, the middle part of separation sleeve bottom both sides all is connected with soldering tin, the both ends of separation sleeve bottom one side all are equipped with the block structure, the block structure includes the connecting rod of being connected with the separation sleeve, with connecting rod other end swing joint's spacing post, the spliced pole of being connected with spacing post bottom, the support column of being connected with the spliced pole bottom, the shell fragment that passes through torsional spring coupling with the support column and the spacing collar of support column adaptation, the same position on separation sleeve opposite side top is connected with the spacing sleeve of block structure adaptation.

Preferably, the inner diameter of the limiting ring is the same as the outer diameter of the supporting column, the outer diameter of the limiting ring is the same as the outer diameter of the connecting column, and the middle of the bottom of the limiting ring is connected with a lifting rod.

Preferably, the surface of support column evenly is equipped with the recess with the shell fragment adaptation, the middle part of shell fragment bottom is equipped with the round hole, and the round bar has been cup jointed in the inner chamber activity of round hole, and the tip and the support column of round bar are connected, and the outer lane activity of round bar tip has cup jointed the torsional spring, and the one end and the support column of torsional spring are connected, and the other end and the shell fragment of torsional spring are connected.

Preferably, the height of the connecting column is the same as that of the limiting sleeve, and the inner diameter of the connecting column is the same as that of the limiting sleeve.

Preferably, the middle part of the top end of the limiting column is provided with a through hole, the other end of the connecting rod is movably sleeved with an inner cavity of the through hole, and the cross section of the limiting column is larger than that of the connecting column.

Preferably, the inner wall connection of isolation sleeve has the fin, evenly be equipped with the louvre on the lateral wall of isolation sleeve, it has the heat dissipation post to inlay in the inner chamber of louvre, and the material of heat dissipation post is the same with the material of fin.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this novel piece formula NTC thermistor has set up the spacer sleeve, can separate this resistance and circuit board, reduces the stable influence to the circuit board of contact with it that this resistance during operation produced, and the use of the this resistance of being convenient for, and sets up fin and heat dissipation post on the spacer sleeve, can improve the heat dissipation function of this resistance, the use of this resistance of being convenient for.

2. This novel piece formula NTC thermistor leads to the setting of block structure, and two thermistors can be quick links together, reduce staff's welding thermistor's quantity, and this resistance is from taking soldering tin, has reduced staff's welding thermistor's step, improves work efficiency, and the volume of soldering tin is controllable among the thermistor welding process, is favorable to guaranteeing thermistor welded quality.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a bottom schematic view of the structure of FIG. 1;

FIG. 3 is a schematic view of the connection of two thermistors according to the present invention;

FIG. 4 is an enlarged view of the structure fastening structure of the present invention;

fig. 5 is an explosion diagram of the structure of fig. 4 of the present invention.

In the figure: 1. an isolation sleeve; 2. soldering tin; 3. a first conducting sheet; 4. a second conducting sheet; 5. a conductive strip; 6. a limiting sleeve; 7. a snap-fit structure; 8. a connecting rod; 9. a limiting post; 10. connecting columns; 11. a support column; 12. a torsion spring; 13. a spring plate; 14. a limiting ring; 15. lifting a pull rod; 16. a resistor body; 17. and a third conducting strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 and 2, a novel chip NTC thermistor, including resistor body 16, the outer lane parcel of resistor body 16 has separation sleeve 1, the material of separation sleeve 1 is pottery, the lateral wall parcel of separation sleeve 1 has the metal iron, through the setting of separation sleeve 1, can separate this resistance and circuit board, reduce the influence of this resistance during operation temperature to the circuit board, and the inner wall connection of separation sleeve 1 has the fin, evenly be equipped with the louvre on the lateral wall of separation sleeve 1, it has the heat dissipation post to inlay in the inner chamber of louvre, the material of heat dissipation post is the same with the material of fin, both materials are heat conduction silica gel piece, through the setting of fin and heat dissipation post, improve the heat dissipation function of this resistance, be convenient for the rapid cooling of this resistance.

The middle part of 1 one end bottom of spacer sleeve is inlayed and is had conducting strip 3, conducting strip 3 contacts with the electrically conductive point of 16 this ends of resistance body, the middle part of 1 other end bottom of spacer sleeve is inlayed and is had conducting strip two 4, and the middle part at 1 this end top of spacer sleeve is inlayed and is had conducting strip three 17, the bottom of conducting strip three 17 contacts with the electrically conductive point of the 16 other ends of resistance body, conducting strip three 17 passes through busbar 5 with conducting strip two 4 and is connected, busbar 5 is inlayed on spacer sleeve 1, through conducting strip one 3, the setting of conducting strip two 4 and conducting strip three 17, be convenient for being connected of this resistance and circuit board.

The middle part of 1 bottom both sides of isolation sleeve all bonds has soldering tin 2, and through the setting of soldering tin 2, the staff can directly weld this resistance, improves the welding efficiency of this resistance, and the volume of soldering tin when can controlling this resistance weld, guarantee resistance weld quality.

Please refer to 3 to 5, stop collar 6 has all been welded at both ends around the one side of 1 top of separation sleeve, both ends all are equipped with block structure 7 around the 1 bottom opposite side of separation sleeve, block structure 7 includes connecting rod 8, the one end of connecting rod 8 is the rectangle, the end of connecting rod 8 is in the same place with 1 welding of separation sleeve, the other end of connecting rod 8 is cylindrical, spacing post 9 has been cup jointed in the outer lane activity of the 8 end of connecting rod, the middle part on 9 tops of spacing post is equipped with the through hole, the other end of connecting rod 8 cup joints with the inner chamber activity of through hole, the cross section of spacing post 9 is greater than the cross section of spliced pole 10.

The bottom of the limiting column 9 is welded with a connecting column 10, the height of the connecting column 10 is the same as that of the limiting sleeve 6, and the inner diameter of the connecting column 10 is the same as that of the limiting sleeve 6.

The bottom welding of spliced pole 10 has support column 11, the surface of support column 11 evenly is equipped with the recess, the bottom fixedly connected with round bar of recess inner chamber, the fixed cover in outer lane at round bar middle part has connect shell fragment 13, the inner chamber adaptation of shell fragment 13 and recess, when shell fragment 13 and the inner wall laminating of recess, shell fragment 13 forms cylindrical structure with support column 11, torsional spring 12 has been cup jointed in the outer lane activity of round bar tip, torsional spring 12's one end is connected with support column 11, torsional spring 12's the other end and shell fragment 13 fixed connection, when shell fragment 13 does not receive the restriction, shell fragment 13 is in the state of slope, make the bottom of block structure 7 form the toper structure, the top of shell fragment 13 is located the outside of spacing post 9.

Block structure 7 still includes spacing collar 14, the internal diameter of spacing collar 14 is the same with the external diameter of support column 11, the external diameter of spacing collar 14 is the same with the external diameter of spliced pole 10, the middle part of spacing collar 14 bottom is connected with lifting rod 15, setting through spacing collar 14, can restrict the position of shell fragment 13, during spacing collar 14 and support column 11 joint, the diameter of 7 bottoms of block structure is the same with the internal diameter of stop collar 6, be convenient for accomodate of this resistance and be convenient for two resistance separation or connection, setting through lifting rod 15, be convenient for spacing collar 14 and support column 11 separation.

The working principle is as follows: when the combined type resistor is used, the resistor and a circuit board are required to be welded together, a user places the resistor at a proper position of the circuit board and then directly welds the resistor, after welding is completed, the conducting strip 5 is used for connecting the conducting strip II 4 with the conducting strip III 17 together, the welding quality of the resistor is improved, and when a plurality of resistors in a series state are required to be welded simultaneously, the user inserts the clamping structure 7 in one resistor into the inner cavity of the limiting sleeve 6 of the other resistor, the limiting ring 14 on the clamping structure 7 is taken down, the elastic sheet 13 deflects under the resilience force of the torsion spring 12, the top end of the elastic sheet 13 is positioned below the limiting sleeve 6, the two resistors are quickly fixed together, after the user welds the combined type resistor and the circuit board together, the conducting strip 5 is used for connecting the conducting strip III 17 at the top of the combined type resistor with the conducting strip II 4 at the bottom of the combined type resistor, and the combined type resistor can normally work.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. A novel piece formula NTC thermistor, includes resistance body (16), its characterized in that: the outer lane parcel of resistance body (16) has separation sleeve (1), the middle part of separation sleeve (1) one end bottom is inlayed and is had conducting strip one (3), conducting strip one (3) and the electrically conductive point contact of this end of resistance body (16), the middle part of separation sleeve (1) other end bottom is inlayed and is had conducting strip two (4), just the middle part at this end top of separation sleeve (1) is inlayed and is had conducting strip three (17), the bottom of conducting strip three (17) and the electrically conductive point contact of the resistance body (16) other end, conducting strip three (17) are connected through busbar (5) with conducting strip two (4), the middle part of separation sleeve (1) bottom both sides all is connected with soldering tin (2), the both ends of separation sleeve (1) bottom one side all are equipped with block structure (7), block structure (7) include connecting rod (8) be connected with separation sleeve (1), with connecting post (9) of connecting rod (8) other end swing joint, with spliced pole (10) bottom be connected with spliced pole (11) and the same terminal (11) of support column (11) and block structure (13) and the top of support column (11) and spacing sleeve (13) are connected with block structure (13) and spacing sleeve (6) top of support column (11) and spacing sleeve (11) and spacing structure (13) are connected with support column (6) the top of support column (11) and spacing sleeve (11) top of support column (13) and spacing sleeve (6) are connected with spacing sleeve (13) the same structure (11) top of support column (11) connection structure (11) and spacing sleeve (13) are connected with spacing sleeve (6) top ).

2. The novel chip NTC thermistor according to claim 1, characterized in that: the inner diameter of the limiting ring (14) is the same as the outer diameter of the supporting column (11), the outer diameter of the limiting ring (14) is the same as the outer diameter of the connecting column (10), and the middle of the bottom of the limiting ring (14) is connected with a lifting rod (15).

3. The novel chip NTC thermistor according to claim 1, characterized in that: the surface of support column (11) evenly is equipped with the recess with shell fragment (13) adaptation, the middle part of shell fragment (13) bottom is equipped with the round hole, and the round bar has been cup jointed in the inner chamber activity of round hole, and the tip of round bar is connected with support column (11), and torsional spring (12) have been cup jointed in the outer lane activity of round bar tip, and the one end and the support column (11) of torsional spring (12) are connected, and the other end and shell fragment (13) of torsional spring (12) are connected.

4. The novel chip NTC thermistor according to claim 1, characterized in that: the height of the connecting column (10) is the same as that of the limiting sleeve (6), and the inner diameter of the connecting column (10) is the same as that of the limiting sleeve (6).

5. The novel chip NTC thermistor according to claim 1, characterized in that: the middle part on spacing post (9) top is equipped with the through hole, the other end of connecting rod (8) is cup jointed with the inner chamber activity of through hole, the cross section of spacing post (9) is greater than the cross section of spliced pole (10).

6. The novel chip NTC thermistor according to claim 1, characterized in that: the inner wall of isolation sleeve (1) is connected with the fin, evenly be equipped with the louvre on the lateral wall of isolation sleeve (1), it has the heat dissipation post to inlay in the inner chamber of louvre, and the material of heat dissipation post is the same with the material of fin.