CN108447633B - High-temperature-resistant waterproof thermistor device - Google Patents
High-temperature-resistant waterproof thermistor device Download PDFInfo
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- CN108447633B CN108447633B CN201810198500.9A CN201810198500A CN108447633B CN 108447633 B CN108447633 B CN 108447633B CN 201810198500 A CN201810198500 A CN 201810198500A CN 108447633 B CN108447633 B CN 108447633B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/008—Thermistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a high-temperature-resistant waterproof thermistor device which comprises a fixed shell, wherein a first baffle and a second baffle which are parallel to each other are clamped in the fixed shell, waterproof glue is coated at the clamping position of the first baffle and the fixed shell, waterproof glue is also coated at the clamping position of the second baffle and the fixed shell, a plurality of rows of heat conducting rods are arranged on the inner side of the first baffle and the inner side of the second baffle, each row of heat conducting rods is connected with an elastic heat conducting pressing plate, a thermistor is arranged between the first baffle and the second baffle, the thermistor is pressed and fixed through the elastic heat conducting pressing plates on the two sides, two leads on the thermistor penetrate through the side wall of the fixed shell, and waterproof glue is also coated at the connecting position of the two leads and the side wall of the fixed shell. The invention has the advantages that: the device is firm in fixation, increases the contact area, is favorable for heat dissipation, can prevent the thermistor chip from being corroded by air or moisture, and improves the heat resistance, the heat dissipation performance and the stability of the thermistor product.
Description
Technical Field
The invention relates to an electronic component, in particular to a high-temperature-resistant waterproof thermistor device.
Background
The thermistor is an electronic element manufactured by utilizing the characteristic that the resistivity of a thermosensitive material changes along with the temperature, the NTC thermistor is widely applied to surge current suppression, temperature measurement, control, temperature compensation and the like, and the PTC thermistor is widely applied to overcurrent protection and starting of circuits and electronic elements and related instruments and application fields of flow velocity, flow and ray measurement; at present, the problems of insufficient heat resistance or insufficient heat dissipation of the conventional encapsulated NTC thermistor or PTC thermistor still exist, aging of materials is easily caused, and the service performance and the service life of the thermistor are affected.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-temperature-resistant waterproof thermistor device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high temperature resistant waterproof thermistor device characterized in that: including the set casing, joint first baffle and the second baffle that is parallel to each other in the set casing, waterproof glue has been paintd in the joint department of first baffle and set casing, waterproof glue has also been paintd in the joint department of second baffle and set casing, inboard at first baffle and the inboard of second baffle all are equipped with multirow heat conduction pole, an elasticity heat conduction clamp plate is all connected to every row heat conduction pole, be equipped with thermistor between first baffle and second baffle, thermistor compresses tightly fixedly through the elasticity heat conduction clamp plate of both sides, the lateral wall of set casing is all passed to two last wires of thermistor, waterproof glue has also been paintd in the junction of two wires and set casing lateral wall.
Preferably, the fixed casing includes first cardboard, second cardboard, third cardboard and fourth cardboard, first cardboard and the first annular shell of second cardboard joint complex, third cardboard and the second annular shell of fourth cardboard joint complex, and first annular shell and second annular shell joint are fixed to form the fixed casing.
Preferably, the first clamping plate comprises a first U-shaped plate, a first wave-shaped groove is formed in the bottom of the inner wall of the first U-shaped plate, two first grooves are formed in the two sides of the inner wall of the first U-shaped plate, the first wave-shaped groove and the two first grooves are communicated, a first U-shaped clamping strip is arranged on one side face of the first U-shaped plate, and a first clamping groove is formed in the end portion of the first U-shaped plate;
the second cardboard includes second U template, is equipped with second wave recess in the bottom of second U template inner wall, is equipped with first through-hole in one side of second U template diapire, is equipped with the plug in first through-hole, corresponding wire setting is in the plug on the thermistor, all is equipped with a second recess in the both sides of second U template inner wall, and second wave recess and two second recesses all communicate, are equipped with second U type card strip in one of them side of second U template, are equipped with first cardboard at the tip of second U template, and first draw-in groove corresponds the joint with first cardboard and fixes, and first recess communicates with corresponding second recess, and first U type card strip corresponds with second U type card strip and sets up the square sand grip of formation.
Preferably, the third clamping plate comprises a third U-shaped plate, a third wave-shaped groove is formed in the bottom of the inner wall of the third U-shaped plate, the two sides of the inner wall of the third U-shaped plate are respectively provided with one third groove, the third wave-shaped groove is communicated with the two third grooves, a first U-shaped clamping groove is formed in one side surface of the third U-shaped plate, and a second clamping groove is formed in the end portion of the third U-shaped plate;
the fourth cardboard includes the fourth U template, is equipped with fourth wavy recess in the bottom of fourth U template inner wall, is equipped with the second through-hole in one side of fourth U template diapire, is equipped with another plug in the second through-hole, thermistor goes up corresponding wire setting in the plug, all is equipped with a fourth recess in the both sides of four U template inner walls, and fourth wavy recess and two fourth recesses all communicate, are equipped with second U type draw-in groove in one of them side of fourth U template, are equipped with the second cardboard at the tip of fourth cardboard, and the second draw-in groove corresponds the joint with the second cardboard and fixes, and the third recess communicates with corresponding fourth recess, and first U type draw-in groove corresponds with second U type draw-in groove and sets up formation square clamping groove.
Preferably, the first baffle and the second baffle are identical in structure and both comprise wave plates, two clamping plates are respectively arranged on two symmetrical sides of each wave plate, and a group of heat conducting rods is connected to the wave trough of each adjacent thermistor.
Preferably, the elastic heat-conducting pressing plate is a long-strip-shaped arc-shaped plate.
The invention has the advantages that: the device is simple in structure and convenient to manufacture, the first baffle is clamped and connected through the first annular shell, the second baffle is clamped and connected through the second annular shell, the thermistor is arranged between the first baffle and the second baffle and is firmly fixed, the contact area is increased through the wavy structures of the first baffle and the second baffle, and the heat dissipation is facilitated; has better durability and stability.
Drawings
FIG. 1 is a schematic structural diagram of a high temperature resistant and waterproof thermistor device provided by the present invention;
FIG. 2 is an assembled schematic view of FIG. 1;
FIG. 3 is a schematic structural view of the first card;
FIG. 4 is a schematic structural view of the second card;
fig. 5 is a schematic structural view of the third card 4;
FIG. 6 is a schematic structural view of a fourth card;
fig. 7 is a schematic structural view of the first baffle plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the high temperature resistant waterproof thermistor device provided by the present invention includes a fixing casing 1, where the fixing casing 1 includes a first clamping plate 2, a second clamping plate 3, a third clamping plate 4 and a fourth clamping plate 5, the first clamping plate 2 and the second clamping plate 3 are connected by a snap fit to form a first annular casing, the third clamping plate 4 and the fourth clamping plate 5 are connected by a snap fit to form a second annular casing, and the first annular casing and the second annular casing are connected by a snap fit to form the fixing casing 1.
The first clamping plate 2 comprises a first U-shaped plate 10, a first wavy groove 11 is formed in the bottom of the inner wall of the first U-shaped plate 10, first grooves 12 are formed in the two sides of the inner wall of the first U-shaped plate 10, the first wavy groove 11 is communicated with the two first grooves 12, a first U-shaped clamping strip 14 is arranged on one side face of the first U-shaped plate 10, and a first clamping groove 13 is formed in the end portion of the first U-shaped plate 10.
The second clamping plate 3 comprises a second U-shaped plate 15, a second wave-shaped groove 16 is formed in the bottom of the inner wall of the second U-shaped plate 15, a first through hole 20 is formed in one side of the bottom wall of the second U-shaped plate 15, a rubber plug is arranged in the first through hole 20, a corresponding lead 9 on the thermistor 8 is arranged in the rubber plug, a second groove 17 is formed in each of two sides of the inner wall of the second U-shaped plate 15, the second wave-shaped grooves 16 and the two second grooves 17 are communicated, a second U-shaped clamping strip 19 is arranged on one side face of the second U-shaped plate 15, a first clamping plate 18 is arranged at the end portion of the second U-shaped plate 15, a first clamping groove 13 is fixedly connected with the first clamping plate 18 in a corresponding mode, the first groove 12 is communicated with the corresponding second groove 17, and the first U-shaped clamping strip 14 and the second U-shaped clamping strip 19 are correspondingly arranged to form a square. First recess 12, second recess 17, first wave recess 11 and the 16 intercommunication of second wave recess form first annular groove, the first baffle 6 of joint in first annular groove, scribble waterproof glue at the joint department of first baffle 6 and first annular groove.
The third cardboard 4 includes third U template 21, is equipped with third wavy recess 22 in the bottom of third U template 21 inner wall, all is equipped with a third recess 23 in the both sides of third U template 21 inner wall, and third wavy recess 22 and two third recesses 23 all communicate, are equipped with first U type draw-in groove 25 in one of them side of third U template 21, are equipped with second draw-in groove 24 at the tip of third U template 21.
The fourth clamping plate 5 comprises a fourth U-shaped plate 26, a fourth wave-shaped groove 27 is arranged at the bottom of the inner wall of the fourth U-shaped plate 26, a second through hole 31 is arranged on one side of the bottom wall of the fourth U-shaped plate 26, another rubber plug is arranged in the second through hole 31, a corresponding lead 9 on the thermistor 8 is arranged in the rubber plug, a fourth groove 28 is arranged on both sides of the inner wall of the four U-shaped plates 26, the fourth wave-shaped groove 27 is communicated with the two fourth grooves 28, one side of the fourth U-shaped plate 26 is provided with a second U-shaped clamping groove 30, the end of the fourth clamping plate 5 is provided with a second clamping plate 29, the second clamping groove 24 is fixedly connected with the second clamping plate 29 in a corresponding clamping mode, the third groove 23 is communicated with a corresponding fourth groove 28, the first U-shaped clamping groove 25 is correspondingly arranged with the second U-shaped clamping groove 30 to form a square clamping groove, and the square protruding strip is matched with the square clamping groove in a clamping mode to form the fixing shell 1. The third groove 23, the fourth groove 28, the third wavy groove 22 and the fourth wavy groove 27 are communicated to form a second annular groove, the second baffle 7 is clamped in the second annular groove, and waterproof glue is also coated at the clamping position of the second baffle 7 and the second annular groove.
The first baffle 6 and the second baffle 7 have the same structure, and both of them include a wavy plate 33, two symmetrical sides of the wavy plate 33 are respectively provided with a clamping plate 32, and the two clamping plates 32 are respectively clamped in the first annular groove and the second annular groove.
Eight rows of heat conducting rods 34 are arranged on the inner side of the first baffle 6 and the inner side of the second baffle 7, each row of heat conducting rods 34 is connected with one elastic heat conducting pressing plate 35, each elastic heat conducting pressing plate 35 is a long strip-shaped arc-shaped plate, and each heat conducting rod 34 is connected to the corresponding trough of the first baffle 6 or the second baffle 7.
Be equipped with thermistor 8 between first baffle 6 and second baffle 7, thermistor 8 compresses tightly fixedly through the elasticity heat conduction clamp plate 35 of both sides, and two wires 9 on thermistor 8 all pass the lateral wall of set casing 1, have also paintd the waterproof glue at the junction of two wires 9 and set casing 1 lateral wall.
Claims (1)
1. A high temperature resistant waterproof thermistor device characterized in that: comprises a fixed shell (1), a first baffle (6) and a second baffle (7) which are mutually parallel are clamped in the fixed shell (1), waterproof glue is coated at the clamping position of the first baffle (6) and the fixed shell (1), waterproof glue is also coated at the clamping position of the second baffle (7) and the fixed shell (1), a plurality of rows of heat conducting rods (34) are arranged on the inner side of the first baffle plate (6) and the inner side of the second baffle plate (7), each row of heat conducting rods (34) is connected with an elastic heat conducting pressure plate (35), a thermistor (8) is arranged between the first baffle (6) and the second baffle (7), the thermistor (8) is pressed and fixed by elastic heat-conducting pressing plates (35) at two sides, two leads (9) on the thermistor (8) both penetrate through the side wall of the fixed shell (1), waterproof glue is also coated at the joint of the two leads (9) and the side wall of the fixed shell (1);
the fixed shell (1) comprises a first clamping plate (2), a second clamping plate (3), a third clamping plate (4) and a fourth clamping plate (5), the first clamping plate (2) and the second clamping plate (3) are connected in a clamping mode to form a first annular shell, the third clamping plate (4) and the fourth clamping plate (5) are connected in a clamping mode to form a second annular shell, and the first annular shell and the second annular shell are fixedly connected in a clamping mode to form the fixed shell (1);
the first clamping plate (2) comprises a first U-shaped plate (10), a first wavy groove (11) is formed in the bottom of the inner wall of the first U-shaped plate (10), two sides of the inner wall of the first U-shaped plate (10) are respectively provided with a first groove (12), the first wavy groove (11) is communicated with the two first grooves (12), a first U-shaped clamping strip (14) is arranged on one side surface of the first U-shaped plate (10), and a first clamping groove (13) is formed in the end portion of the first U-shaped plate (10);
the second clamping plate (3) comprises a second U-shaped plate (15), a second wave-shaped groove (16) is arranged at the bottom of the inner wall of the second U-shaped plate (15), a first through hole (20) is arranged on one side of the bottom wall of the second U-shaped plate (15), a rubber plug is arranged in the first through hole (20), a corresponding lead (9) on the thermistor (8) is arranged in the rubber plug, two sides of the inner wall of the second U-shaped plate (15) are respectively provided with a second groove (17), the second wave-shaped groove (16) is communicated with the two second grooves (17), one side surface of the second U-shaped plate (15) is provided with a second U-shaped clamping strip (19), a first clamping plate (18) is arranged at the end part of the second U-shaped plate (15), a first clamping groove (13) and the first clamping plate (18) are correspondingly clamped and fixed, a first groove (12) is communicated with a corresponding second groove (17), and a first U-shaped clamping strip (14) and a second U-shaped clamping strip (19) are correspondingly arranged to form a square convex strip;
the third clamping plate (4) comprises a third U-shaped plate (21), a third wave-shaped groove (22) is formed in the bottom of the inner wall of the third U-shaped plate (21), third grooves (23) are formed in two sides of the inner wall of the third U-shaped plate (21), the third wave-shaped groove (22) is communicated with the two third grooves (23), a first U-shaped clamping groove (25) is formed in one side face of the third U-shaped plate (21), and a second clamping groove (24) is formed in the end portion of the third U-shaped plate (21);
the fourth clamping plate (5) comprises a fourth U-shaped plate (26), a fourth wave-shaped groove (27) is arranged at the bottom of the inner wall of the fourth U-shaped plate (26), a second through hole (31) is arranged on one side of the bottom wall of the fourth U-shaped plate (26), another rubber plug is arranged in the second through hole (31), a corresponding lead (9) on the thermistor (8) is arranged in the rubber plug, both sides of the inner wall of the four U-shaped plates (26) are provided with a fourth groove (28), the fourth wave-shaped groove (27) is communicated with the two fourth grooves (28), one side surface of the fourth U-shaped plate (26) is provided with a second U-shaped clamping groove (30), a second clamping plate (29) is arranged at the end part of the fourth clamping plate (5), a second clamping groove (24) and the second clamping plate (29) are correspondingly clamped and fixed, a third groove (23) is communicated with a corresponding fourth groove (28), and a first U-shaped clamping groove (25) and a second U-shaped clamping groove (30) are correspondingly arranged to form a square clamping groove;
the first baffle (6) and the second baffle (7) are identical in structure and respectively comprise a wave plate (33), two symmetrical sides of the wave plate (33) are respectively provided with a clamping plate (32), and a group of heat conducting rods (34) are connected to the wave trough of each adjacent thermistor (8);
the elastic heat-conducting pressing plate (35) is a long-strip-shaped arc-shaped plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198500.9A CN108447633B (en) | 2018-03-12 | 2018-03-12 | High-temperature-resistant waterproof thermistor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198500.9A CN108447633B (en) | 2018-03-12 | 2018-03-12 | High-temperature-resistant waterproof thermistor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108447633A CN108447633A (en) | 2018-08-24 |
| CN108447633B true CN108447633B (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810198500.9A Active CN108447633B (en) | 2018-03-12 | 2018-03-12 | High-temperature-resistant waterproof thermistor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108447633B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580570Y (en) * | 2002-10-23 | 2003-10-15 | 深圳市固派电子有限公司 | Outer shell insulation type thermosensitive resistance heater |
| CN202907231U (en) * | 2012-09-12 | 2013-04-24 | 钡泰电子陶瓷股份有限公司 | Electric heating device with waterproof mechanism |
| CN203661317U (en) * | 2013-11-26 | 2014-06-18 | 江苏英格菲电器科技有限公司 | Heating device and electric water heater with same |
| CN205017605U (en) * | 2015-09-24 | 2016-02-03 | 吴凯 | Thermistor's watertight fittings |
| CN207065875U (en) * | 2017-04-10 | 2018-03-02 | 东莞市天成热敏电阻有限公司 | Insulation PTC air heaters |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101451554B1 (en) * | 2014-04-25 | 2014-10-17 | 스마트전자 주식회사 | circuit protecting device |
-
2018
- 2018-03-12 CN CN201810198500.9A patent/CN108447633B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580570Y (en) * | 2002-10-23 | 2003-10-15 | 深圳市固派电子有限公司 | Outer shell insulation type thermosensitive resistance heater |
| CN202907231U (en) * | 2012-09-12 | 2013-04-24 | 钡泰电子陶瓷股份有限公司 | Electric heating device with waterproof mechanism |
| CN203661317U (en) * | 2013-11-26 | 2014-06-18 | 江苏英格菲电器科技有限公司 | Heating device and electric water heater with same |
| CN205017605U (en) * | 2015-09-24 | 2016-02-03 | 吴凯 | Thermistor's watertight fittings |
| CN207065875U (en) * | 2017-04-10 | 2018-03-02 | 东莞市天成热敏电阻有限公司 | Insulation PTC air heaters |
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| Publication number | Publication date |
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| CN108447633A (en) | 2018-08-24 |
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