CN115206610A

CN115206610A - High-stability laminated NTC thermistor

Info

Publication number: CN115206610A
Application number: CN202210986119.5A
Authority: CN
Inventors: 陈朱雄; 陈敏云; 王晓群
Original assignee: Shenzhen Yongyutai Electronics Co ltd
Current assignee: Shenzhen Yongyutai Electronics Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-10-18
Anticipated expiration: 2042-08-17
Also published as: CN115206610B

Abstract

The invention relates to the technical field of NTC thermistors, in particular to a high-stability laminated NTC thermistor. The invention provides a laminated NTC thermistor which can perform double heat dissipation and has high stability. The utility model provides a high range upon range of formula NTC thermistor of stability, including the backup pad, place the board, connecting plate and NTC thermistor, be connected with in two backup pads and place the board, it is the same to place the position that the board set up in two backup pads, be connected with the connecting plate between two backup pads left sides, two that are located same horizontal plane place the board on all placed NTC thermistor, still including thermistor fixture and fin heat dissipation mechanism, lie in the backup pad and place all be equipped with thermistor fixture in the position of board top, be equipped with fin heat dissipation mechanism on the connecting plate. The NTC thermistor is subjected to double heat dissipation through the water cooling fins and the array type heat dissipation fins.

Description

High-stability laminated NTC thermistor

Technical Field

The invention relates to the technical field of NTC thermistors, in particular to a high-stability laminated NTC thermistor.

Background

The laminated NTC thermistor is a resistor formed by fixedly mounting two or more NTC thermistors together using a specific frame.

Patent publication No. CN114023520A discloses a stacked NTC thermistor, which comprises a frame, the inside of frame is provided with the NTC thermistor main part, the bottom of NTC thermistor main part is provided with the wire, insulation support has been cup jointed to the outer wall of wire, one side fixedly connected with otic placode of frame, the fixed surface of otic placode is connected with the locking block, the inner wall fixedly connected with screw thread section of thick bamboo of locking block, the inner wall threaded connection of screw thread section of thick bamboo has the lead screw, the top fixedly connected with knob of lead screw, the one end that the knob was kept away from to the lead screw is rotated and is connected with the bearing frame, the bottom fixedly connected with arc pressure strip of bearing frame.

This heat-conducting plate of stacking type NTC thermistor presss from both sides between two NTC thermistors, and is wrapped up by the frame, is difficult to derive the heat, and how to design a high stacking type NTC thermistor of stability that can carry out dual heat dissipation is the technical problem that this patent need solve.

Disclosure of Invention

In order to overcome the defect that the heat conducting plate in the prior art is clamped between two NTC thermistors and is wrapped by a frame, and the heat is difficult to be led out, the invention has the technical problems that: provided is a highly stable laminated NTC thermistor having a good heat dissipation effect.

The technical implementation scheme of the invention is as follows: the utility model provides a high stromatolite formula NTC thermistor of stability, including the backup pad, place the board, connecting plate and NTC thermistor, there are the board of placing from last to even interval connection down in two backup pads, it is the same to place the position that the board set up in the backup pad, be connected with the connecting plate between the backup pad left side, two that are located same horizontal plane place all placed NTC thermistor on the board, still including thermistor fixture and fin heat dissipation mechanism, it all is equipped with thermistor fixture in the position of placing the board top to lie in the backup pad, thermistor fixture cooperation is placed the board and is pressed from both sides tight fixedly to NTC thermistor, be equipped with on the connecting plate and be used for carrying out radiating fin heat dissipation mechanism to NTC thermistor.

Preferably, the thermistor clamping mechanism comprises guide rods, a clamping plate and a first spring, the left side and the right side of the position, located above the placing plate, of the supporting plate are connected with the guide rods, the clamping plate is connected with the two guide rods, located above the placing plate, of the same piece of the guide rods in a sliding mode, the first spring is connected between the clamping plate and the supporting plate, the first spring is sleeved on the guide rods, and under the effect of the first spring, the clamping plate is driven to be matched with the placing plate to clamp and fix the NTC thermistor.

Preferably, the fin heat dissipation mechanism includes array-type heat dissipation fins and water cooling fins, the connecting plate is connected with the array-type heat dissipation fins for dissipating heat of the NTC thermistor, the connecting plate is connected with the water cooling fins for enhancing a heat dissipation function, and the water cooling fins penetrate through the connecting plate to wrap the array-type heat dissipation fins on the inner side.

Preferably, still including being used for carrying out the fixed subassembly fixed to the grip block, fixed subassembly is including the sliding sleeve, the stopper, second spring and T shape pull rod, it has the spout to open from last to even interval down in two backup pads, equal slidingtype connection has the sliding sleeve in the spout, the sliding sleeve horizontal slip in the spout, equal slidingtype connection has the T shape pull rod on the sliding sleeve, T shape pull rod all is connected with backup pad slidingtype, T shape pull rod back-and-forth movement in the sliding sleeve, T shape pull rod inboard all is connected with and is used for carrying out spacing stopper to the grip block, the stopper slides in the sliding sleeve, be connected with two second springs between the stopper all and the gliding sliding sleeve in the stopper, it has square mouth all to open from last to even interval down in the backup pad, square mouth and spout intercommunication, T shape pull rod drives stopper and second spring and moves left, it stretches out the cooperation of square mouth and places the board and fixes the grip block to drive the stopper rebound under the effect of second spring.

Preferably, the upper side of the right wall of the limiting block is obliquely arranged, and when the limiting block moves rightwards, the supporting plate extrudes the limiting block outwards to be separated from the clamping plate, so that the clamping plate is not limited any more.

Preferably, still including being used for the automatic centre gripping complementary unit who releases NTC thermistor right, centre gripping complementary unit is including the connecting rod, wedge limiting plate and third spring, the equal slidingtype in two grip block left sides that lie in same horizontal plane on the connecting plate is connected with the connecting rod, the connecting rod slides from side to side on the connecting plate, both sides all are connected with the wedge limiting plate around the connecting rod right side, the wedge limiting plate makes progress jack-up with the grip block, the wedge limiting plate all with the connecting plate between be connected with the third spring, the third spring housing is on the connecting rod.

Preferably, the automatic leftward movement control mechanism for the T-shaped pull rod is further included, the control mechanism comprises an L-shaped connecting rod, a U-shaped link rod and a limiting piece, the middle of the T-shaped pull rod is connected with the L-shaped connecting rod in an all-sliding mode, the L-shaped connecting rod slides on the T-shaped pull rod in a front-back mode, the left of the L-shaped connecting rod is connected with the U-shaped link rod in an all-sliding mode, the U-shaped link rod slides on the L-shaped connecting rod in a front-back mode, the U-shaped link rod is clamped on the connecting rod, the connecting rod drives the L-shaped connecting rod to move leftward through the U-shaped link rod, the L-shaped connecting rod drives the T-shaped pull rod, the limiting block and the second spring automatically move leftward, the limiting block is driven to move inward under the action of the second spring to limit the clamping plate, and the front side and the rear side of the left of the connecting rod are connected with limiting pieces used for limiting the U-shaped link rod.

Preferably, still including being used for carrying out radiating wind accuse heat dissipation mechanism to NTC thermistor, wind accuse heat dissipation mechanism is including heat dissipation bellows, contact piece and starting switch, the connecting plate right wall all installs on the position that is located wedge limiting plate top and is used for carrying out radiating heat dissipation bellows to NTC thermistor, the inboard lower part of wedge limiting plate all is connected with the contact piece, the connecting plate right wall all is connected with starting switch on the position that is located heat dissipation bellows below, every starting switch all passes through electric connection with the heat dissipation bellows of starting switch top, the wedge limiting plate drives the contact piece and removes left and press starting switch, the operation of starting switch control heat dissipation bellows.

The invention has the following advantages: the NTC thermistor is subjected to double heat dissipation through the water cooling fins and the array type heat dissipation fins; the limiting block moves inwards to fix the clamping plate, so that the clamping plate is prevented from loosening; meanwhile, the NTC thermistor is automatically pushed out to the right by the aid of the wedge-shaped limiting plate moving rightwards, and people can conveniently replace the NTC thermistor; the connecting rod drives the L-shaped connecting rod to move leftwards through the U-shaped baffle rod, and the L-shaped connecting rod drives the T-shaped pull rod, the limiting block and the second spring to move leftwards, so that the T-shaped pull rod can automatically move leftwards when the NTC thermistor is assembled, and the limiting block can automatically limit the clamping plate by moving inwards under the action of the second spring; through having set up heat dissipation bellows, heat dissipation bellows further dispels the heat to NTC thermistor, increases the radiating effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a thermistor clamping mechanism according to a first embodiment of the invention.

Fig. 3 is a schematic perspective view of a second thermistor clamping mechanism according to the present invention.

Fig. 4 is a schematic perspective view of a first structure of a fin heat dissipation mechanism according to the present invention.

Fig. 5 is a schematic perspective view of a second structure of the fin heat dissipation mechanism of the present invention.

Fig. 6 is a schematic perspective view of a first fixing mechanism according to the present invention.

Fig. 7 is an enlarged perspective view of the present invention at a.

Fig. 8 is a partial perspective view of the fixing mechanism of the present invention.

Fig. 9 is a schematic perspective view of a second fixing mechanism according to the present invention.

Fig. 10 is a schematic perspective view of a first clamping auxiliary mechanism of the present invention.

Fig. 11 is a schematic perspective view of a second clamping auxiliary mechanism of the present invention.

Fig. 12 is a schematic perspective view of the control mechanism of the present invention.

Fig. 13 is a partial perspective view of the control mechanism of the present invention.

Fig. 14 is a schematic perspective view of the wind-controlled heat dissipation mechanism of the present invention.

The meaning of the reference symbols in the figures: 1: support plate, 11: placing plate, 2: connecting plate, 3: NTC thermistor, 4: thermistor holding mechanism, 41: guide rod, 42: clamping plate, 43: first spring, 5: fin heat dissipation mechanism, 51: array-type radiator fins, 52: water-cooled sheet, 6: fixing assembly, 61: sliding bush, 62: stopper, 63: second spring, 64: t-tie, 65: chute, 66: square mouth, 7: grip assisting mechanism, 71: connecting rod, 72: wedge limiting plate, 73: third spring, 8: control mechanism, 81: l-shaped connecting rod, 82: u-shaped lever, 83: spacing piece, 9: wind accuse heat dissipation mechanism, 91: heat dissipation bellows, 92: contact piece, 93: the switch is activated.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

Example 1

The utility model provides a high stacking type NTC thermistor of stability, refer to fig. 1-5, including backup pad 1, place board 11, connecting plate 2, NTC thermistor 3, thermistor fixture 4 and fin heat dissipation mechanism 5, the quantity of backup pad 1 is two, horizontal symmetry sets up around being, it has four boards 11 of placing to all have from last even interval connection down on two backup pads 1, it is the same to place the position that board 11 set up on two backup pads 1, be connected with connecting plate 2 between two backup pad 1 left sides, NTC thermistor 3 has all been placed on two boards 11 of placing that lie in same horizontal plane, NTC thermistor 3's quantity is four, four NTC thermistor 3 are vertical arrangement, all be equipped with thermistor fixture 4 on the position that lies in placing board 11 top in backup pad 1, thermistor fixture 4 is used for the cooperation to place board 11 and presss from both sides tight fixed to NTC thermistor 3, be equipped with heat dissipation fin mechanism 5 on connecting plate 2, heat dissipation mechanism 5 is used for dispelling the heat to NTC thermistor 3. Referring to fig. 2 to 3, the thermistor clamping mechanism 4 includes guide rods 41, clamping plates 42 and first springs 43, the guide rods 41 are connected to the left and right sides of the position above the placing plate 11 on the supporting plate 1, the clamping plates 42 are slidably connected to the two guide rods 41 above the same placing plate 11, the first springs 43 are connected between the clamping plates 42 and the supporting plate 1, the first springs 43 are sleeved on the guide rods 41, the number of the first springs 43 is sixteen, and the clamping plates 42 are used for being matched with the placing plate 11 to clamp and fix the NTC thermistor 3. Referring to fig. 4 to 5, the fin heat dissipation mechanism 5 includes an array type heat dissipation fin 51 and a water cooling fin 52, the array type heat dissipation fin 51 is connected to the connection plate 2, the array type heat dissipation fin 51 is used for dissipating heat of the NTC thermistor 3, the water cooling fin 52 is connected to the connection plate 2, the water cooling fin 52 is used for enhancing a heat dissipation function, and the water cooling fin 52 penetrates through the connection plate 2 to wrap the array type heat dissipation fin 51 inside. When the device is used, people manually move the clamping plate 42 upwards, the first spring 43 is compressed, then the four NTC thermistors 3 are inserted between the two supporting plates 1 from right to left and are respectively placed between the two placing plates 11 positioned on the same horizontal plane, then the clamping plate 42 is loosened, and then the clamping plate 42 is driven to move downwards under the action of the first spring 43 to be matched with the placing plates 11 to clamp and fix the NTC thermistors 3, so that the four NTC thermistors 3 are installed together to form a resistor through the device, when the NTC thermistors 3 need to be taken out, the NTC thermistors 3 are manually moved rightwards, the NTC thermistors 3 can be taken out, the NTC thermistors 3 are separated from the clamping plate 42, and then the clamping plate 42 is driven to move downwards to reset under the reset action of the first spring 43; the water cooling fin 52 is filled with water, and the NTC thermistor 3 is cooled by the water cooling fin 52 and the array-type heat dissipation fins 51.

Example 2

On the basis of embodiment 1, refer to fig. 1, fig. 6, fig. 7, fig. 8 and fig. 9, still including fixed subassembly 6, fixed subassembly 6 is including sliding sleeve 61, stopper 62, second spring 63 and T shape pull rod 64, all from last to having evenly spaced apart spout 65 down on two backup pads 1, spout 65 internal sliding type is connected with four sliding sleeves 61, the quantity of sliding sleeve 61 is eight, all sliding type is connected with T shape pull rod 64 on eight sliding sleeves 61, T shape pull rod 64 all is connected with backup pad 1 sliding type, eight T shape pull rod 64 inboard all is connected with stopper 62, stopper 62 slides in sliding sleeve 61, stopper 62 is used for spacing grip block 42, stopper 62 right wall inboard is the slope setting, eight stopper 62 all are connected with two second springs 63 with between sliding sleeve 61 that slide with stopper 62, the quantity of second spring 63 is sixteen, all from last to evenly spaced apart to having square mouth 66 down on two backup pads 1, square mouth 66 and spout 65 intercommunication, stopper 62 stretches out square mouth 66. The second spring 63 is compressed in an initial state, a person manually moves the T-shaped pull rod 64 leftwards, the T-shaped pull rod 64 drives the sliding sleeve 61, the limiting block 62 and the second spring 63 leftwards, when the limiting block 62 moves leftwards and is located on the same horizontal plane as the square opening 66, the limiting block 62 is further driven to move inwards to extend out of the square opening 66 under the reset action of the second spring 63, the limiting block 62 moves inwards to extend out of contact with the clamping plate 42, and the clamping plate 42 is further fixed by matching with the placing plate 11, so that the clamping plate 42 is prevented from loosening and loosening the NTC thermistor 3, the person manually moves the T-shaped pull rod 64 rightwards, the T-shaped pull rod 64 drives the sliding sleeve 61 and the limiting block 62 to move rightwards, and further drives the second spring 63 to move rightwards, and due to the inclined arrangement of the upper side of the right wall of the limiting block, the supporting plate 1 presses the limiting block 62 outwards, the second spring 63 is compressed, the limiting block 62 moves outwards to enter the sliding sleeve 61 and is retracted and separated from the clamping plate 42.

Referring to fig. 1, fig. 10 and fig. 11, still including centre gripping complementary unit 7, centre gripping complementary unit 7 is including connecting rod 71, wedge limiting plate 72 and third spring 73, two grip blocks 42 that lie in same horizontal plane on the connecting plate 2 all the sliding connection have connecting rod 71, four connecting rods 71 are vertical arrangement, wedge limiting plate 72 has all been welded to the front and back both sides on four connecting rod 71 right sides, the quantity of wedge limiting plate 72 is eight, wedge limiting plate 72 is used for releasing NTC thermistor 3 to the right side, eight wedge limiting plates 72 all with the connecting plate 2 between be connected with third spring 73, third spring 73 cover is on connecting rod 71. In an initial state, the first spring 43 is compressed, the clamping plate 42 is jacked upwards by the wedge-shaped limiting plate 72, when people insert four NTC thermistors 3 between the two supporting plates 1 from right to left, the NTC thermistors 3 move leftwards to be in contact with the wedge-shaped limiting plate 72, and then the wedge-shaped limiting plate 72 is pressed leftwards, the wedge-shaped limiting plate 72 drives the connecting rod 71 to move leftwards, when the wedge-shaped limiting plate 72 is separated from the clamping plate 42, the clamping plate 42 is driven to move downwards under the action of the first spring 43 to be matched with the placing plate 11 to clamp and fix the NTC thermistors 3, then the T-shaped pull rod 64 is manually moved leftwards to reset the limiting plate 62, the wedge-shaped limiting plate 72 abuts against the left side of the clamping plate 42, when people manually move the T-shaped pull rod 64 rightwards, the limiting plate 1 presses the limiting plate 62 outwards to separate the limiting plate 62 from the clamping plate 42, and then the connecting rod 71 and the wedge-shaped limiting plate 72 are driven to reset under the reset action of the third spring 73, the wedge-shaped limiting plate 72 jacks up the clamping plate 42 upwards, the first spring 43 is compressed, so that the clamping plate 42 is separated from the NTC 3 and the clamping plate 3, and the NTC thermistor is separated from the clamping plate 42, and then the wedge-shaped limiting plate 72 is moved rightwards, and the wedge-shaped thermistor is simultaneously, and pushes out, and the NTC thermistor 3, and the wedge-shaped limiting plate 72, and pushes the NTC thermistor 3 is pushed rightwards.

Referring to fig. 1, 12 and 13, the automatic adjusting device further comprises a control mechanism 8, wherein the control mechanism 8 comprises an L-shaped connecting rod 81, a U-shaped stop lever 82 and eight limiting pieces 83, the L-shaped connecting rods 81 are connected to the middle portions of the eight T-shaped pull rods 64 in a sliding manner, the U-shaped stop levers 82 are connected to the left portions of the eight L-shaped connecting rods 81 in a sliding manner, the U-shaped stop levers 82 are clamped on the connecting rods 71, the limiting pieces 83 are welded to the front side and the rear side of the left portions of the four connecting rods 71, the limiting pieces 83 are used for limiting the U-shaped stop levers 82, and the number of the limiting pieces 83 is eight. When the NTC thermistor 3 drives the connecting rod 71 and the wedge-shaped limiting plate 72 to move leftwards, the third spring 73 is compressed, the connecting rod 71 drives the L-shaped connecting rod 81, the U-shaped blocking rod 82 and the limiting sheet 83 to move leftwards, and the T-shaped pull rod 64 is driven to move leftwards, so that the T-shaped pull rod 64 automatically moves leftwards, the limiting block 62 moves inwards under the action of the second spring 63 to automatically limit the clamping plate 42, when people find that NTC thermistors 3 of different models are misplaced, the U-shaped blocking rod 82 moves outwards, the U-shaped blocking rod 82 is separated from the connecting rod 71, then the T-shaped pull rod 64 moves rightwards, the limiting block 62 does not limit the clamping plate 42 any more, the connecting rod 71 and the wedge-shaped limiting plate 72 are driven to reset under the reset action of the third spring 73, so that NTC thermistors 3 of different models are misplaced and pushed rightwards, and replacement is convenient for people to replace the NTC, and after replacement of the NTC thermistors 3 is completed, people move the U-shaped blocking rod 82 inwards to clamp the connecting rod 71 and the wedge-shaped blocking plate 72.

Referring to fig. 1 and 14, still including wind accuse heat dissipation mechanism 9, wind accuse heat dissipation mechanism 9 is including heat dissipation bellows 91, contact piece 92 and starting switch 93, four heat dissipation bellows 91 are all installed to the position that 2 right walls of connecting plate are located wedge limiting plate 72 top, heat dissipation bellows 91 is used for dispelling the heat to NTC thermistor 3, eight wedge limiting plate 72 inboard lower parts all are connected with contact piece 92, all install four starting switch 93 on the position that 2 right walls of connecting plate are located heat dissipation bellows 91 below, starting switch 93 all passes through electric connection with the heat dissipation bellows 91 of starting switch 93 top. When the wedge-shaped limiting plate 72 moves leftwards, the contact piece 92 is further driven to move leftwards, when the contact piece 92 is in contact with the starting switch 93, the starting switch 93 is further pressed, after the heat dissipation air box 91 is electrified by people, the heat dissipation air box 91 starts to operate, the NTC thermistor 3 is further cooled, the heat dissipation effect is increased, when the wedge-shaped limiting plate 72 moves rightwards to reset and pushes out the NTC thermistor 3 rightwards, the wedge-shaped limiting plate 72 drives the contact piece 92 to move rightwards to reset, the contact piece 92 is separated from the starting switch 93, and the heat dissipation air box 91 stops operating.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made herein without departing from the principles and spirit of the invention as defined by the appended claims. Therefore, the detailed description of the embodiments of the present disclosure is to be construed as merely illustrative, and not limitative of the remainder of the disclosure, but rather to limit the scope of the disclosure to the full extent set forth in the appended claims.

Claims

1. The utility model provides a high range upon range of formula NTC thermistor of stability, including backup pad (1), place board (11), connecting plate (2) and NTC thermistor (3), have from last to having even interval connection down and place board (11) on two backup pads (1), it is the same to place the position that board (11) set up on two backup pads (1), be connected with connecting plate (2) between two backup pad (1) left sides, two that are located same horizontal plane are placed and are all placed NTC thermistor (3) on board (11), characterized by: the heat dissipation device is characterized by further comprising a thermistor clamping mechanism (4) and a fin heat dissipation mechanism (5), wherein the thermistor clamping mechanism (4) is arranged on the position, located above the placing plate (11), of the supporting plate (1), the thermistor clamping mechanism (4) is matched with the placing plate (11) to clamp and fix the NTC thermistor (3), and the fin heat dissipation mechanism (5) used for dissipating heat of the NTC thermistor (3) is arranged on the connecting plate (2).

2. The highly stable stacked NTC thermistor according to claim 1, wherein: thermistor fixture (4) are including guide arm (41), grip block (42) and first spring (43), the position left and right sides that lies in placing board (11) top on backup pad (1) all is connected with guide arm (41), sliding connection has grip block (42) on two guide arms (41) of board (11) top are placed to the same piece, grip block (42) all with backup pad (1) between be connected with first spring (43), first spring (43) cover is on guide arm (41), under the effect of first spring (43), it places board (11) and presss from both sides tightly fixedly to NTC thermistor (3) to drive grip block (42) cooperation.

3. The highly stable stacked NTC thermistor according to claim 1, wherein: the fin heat dissipation mechanism (5) comprises array type heat dissipation fins (51) and water cooling fins (52), the array type heat dissipation fins (51) used for dissipating heat of the NTC thermistor (3) are connected onto the connecting plate (2), the water cooling fins (52) used for enhancing the heat dissipation function are connected onto the connecting plate (2), and the water cooling fins (52) penetrate through the connecting plate (2) to wrap the array type heat dissipation fins (51) on the inner side.

4. The highly stable stacked NTC thermistor according to claim 2, wherein: still including being used for carrying out fixed subassembly (6) fixed to grip block (42), fixed subassembly (6) is including sliding sleeve (61), stopper (62), second spring (63) and T shape pull rod (64), all from last to evenly spaced apart down on two backup pads (1) have spout (65), equal sliding type is connected with sliding sleeve (61) in spout (65), sliding sleeve (61) is the horizontal slip in spout (65), equal sliding type is connected with T shape pull rod (64) on sliding sleeve (61), T shape pull rod (64) all is connected with backup pad (1) sliding type, T shape pull rod (64) is back-and-forth movement in sliding sleeve (61), T shape pull rod (64) inboard all is connected with stopper (62) that are used for carrying out spacing to grip block (42), stopper (62) slide in sliding sleeve (61), stopper (62) all are connected with between sliding sleeve (61) that stopper (62) all slide in stopper (62) are connected with two second spring (63), all from last to evenly spaced apart to have square mouth (66) and square mouth (65) and square sliding sleeve (62) and the drive second spring (63) and move down and hold the effect that second spring (63) and second spring (11) are held and second spring (11) and place to slide in slide sleeve (64) and slide in slide sleeve (61), two backup pad (1) are held down to last to even spacing, the last to open up and to even spacing, square mouth (66) and move, the side to the side The plate (42) is fixed.

5. The highly stable stacked NTC thermistor according to claim 4, wherein: the upper side of the right wall of the limiting block (62) is obliquely arranged, and when the limiting block (62) moves rightwards, the supporting plate (1) extrudes the limiting block (62) outwards to be separated from the clamping plate (42), so that the clamping plate (42) is not limited any more.

6. The highly stable laminated NTC thermistor according to claim 4, wherein: still including centre gripping complementary unit (7) that is used for automatic right side to promote NTC thermistor (3), centre gripping complementary unit (7) are including connecting rod (71), wedge limiting plate (72) and third spring (73), two grip block (42) left sides that lie in same horizontal plane on connecting plate (2) all slidingly are connected with connecting rod (71), connecting rod (71) horizontal slip on connecting plate (2), both sides all are connected with wedge limiting plate (72) around connecting rod (71) right side, wedge limiting plate (72) are with grip block (42) jack-up that makes progress, wedge limiting plate (72) all with connecting plate (2) between be connected with third spring (73), third spring (73) cover is on connecting rod (71).

7. The highly stable stacked NTC thermistor according to claim 6, wherein: the clamping device is characterized by further comprising a control mechanism (8) used for the T-shaped pull rod (64) to automatically move leftwards, the control mechanism (8) comprises an L-shaped connecting rod (81), a U-shaped baffle rod (82) and a limiting piece (83), the middle of the T-shaped pull rod (64) is connected with the L-shaped connecting rod (81) in a sliding mode, the L-shaped connecting rod (81) slides forwards and backwards on the T-shaped pull rod (64), the left part of the L-shaped connecting rod (81) is connected with the U-shaped baffle rod (82) in a sliding mode, the U-shaped baffle rod (82) slides forwards and backwards on the L-shaped connecting rod (81), the U-shaped baffle rod (82) is clamped on the connecting rod (71), the connecting rod (71) drives the L-shaped connecting rod (81) to move leftwards through the U-shaped baffle rod (82), the L-shaped connecting rod (81) drives the T-shaped pull rod (64), the limiting block (62) and the second spring (63) automatically move leftwards, the limiting block (62) is driven under the action of the second spring (63) to move inwards to limit the clamping plate (42), and the limiting piece (83) is connected to the front and the back of the left part of the connecting rod (71).

8. The highly stable stacked NTC thermistor according to claim 6, wherein: still including being used for carrying out radiating wind accuse heat dissipation mechanism (9) to NTC thermistor (3), wind accuse heat dissipation mechanism (9) are including heat dissipation bellows (91), contact piece (92) and starting switch (93), all install on the position that connecting plate (2) right wall is located wedge limiting plate (72) top and be used for carrying out radiating heat dissipation bellows (91) to NTC thermistor (3), wedge limiting plate (72) inboard lower part all is connected with contact piece (92), all be connected with starting switch (93) on the position that connecting plate (2) right wall is located heat dissipation bellows (91) below, every starting switch (93) all pass through electric connection with heat dissipation bellows (91) of starting switch (93) top, wedge limiting plate (72) drive contact piece (92) remove left and press starting switch (93), starting switch (93) control heat dissipation bellows (91) operation.