CN103295708B - Recoverable version NTC thermistor - Google Patents
Recoverable version NTC thermistor Download PDFInfo
- Publication number
- CN103295708B CN103295708B CN201210053423.0A CN201210053423A CN103295708B CN 103295708 B CN103295708 B CN 103295708B CN 201210053423 A CN201210053423 A CN 201210053423A CN 103295708 B CN103295708 B CN 103295708B
- Authority
- CN
- China
- Prior art keywords
- ntc thermistor
- thermistor chip
- clamping device
- chip
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The present invention relates to a kind of recoverable version NTC thermistor; Comprise NTC thermistor chip, clamping device and an anti-oxidation cover be connected with clamping device removable seal, described NTC thermistor chip is installed on clamping device, in the annular seal space formed between anti-oxidation cover and clamping device.Described anti-oxidation cover is made up of sleeve, piston, back-moving spring and end cap, and described piston is arranged in sleeve, and described end cap is connected with sleeve top, and described back-moving spring is connected between piston and end cap; Described clamping device removable seal is connected to sleeve bottom end; The invention has the beneficial effects as follows: by adopting encapsulating structure that can be for convenience detach, NTC thermistor chip is encapsulated, just can reclaim it very easily after NTC thermistor chip rejection, the mineral resources such as the various oxide in the chip in NTC product and the noble silver in termination electrode can be recycled again, economize on resources.
Description
[technical field]
The present invention relates to a kind of NTC thermistor, particularly a kind of recoverable version NTC thermistor of recoverable.
[background technology]
NTC thermistor is negative tempperature coefficient thermistor, the semiconductive ceramic that its chip is manganese, two or more the metal oxide such as copper, silicon, cobalt, iron, nickel, zinc is the manufacture technics such as main material fully mixes, shaping, sintering, these materials all obtain from mineral, belong to non-renewable resources, therefore do not reclaim and just mean that these resources will be consumed.
NTC product conventional at present, referenced patent is called " thermistor adopting ceramic membrane to manufacture and manufacture method thereof " (application number: 201310097329.X), although provide by the miniature temperature-sensitive manufacture method of ceramic membrane batch micro operations, particularly manufacture the method for miniature NTC bead, to a certain degree saving material, but it is still by the encapsulation of ceramic membrane sintering, because NTC thermistor chip passes through epoxy resin, the material such as silicones or packaged glass wraps up and mode after solidifying encapsulates, these encapsulating materials be wrapped in outside chip are not easy to be separated with NTC thermistor chip, therefore NTC thermistor chip is not easy to recycle in product, so general for defect ware, all do not carry out reclaimer operation, even and if this series products is reclaimed by special processing, the manpower consumed, the cost of the resources such as material resources also can far above directly buying raw-material cost.
[summary of the invention]
The object of the invention is to overcome deficiency of the prior art, provide one can reclaim NTC thermistor chip and reclaim recoverable version NTC thermistor easily.
The object of the present invention is achieved like this: comprise NTC thermistor chip, clamping device and an anti-oxidation cover be connected with clamping device removable seal, described NTC thermistor chip is installed on clamping device, in the annular seal space formed between anti-oxidation cover and clamping device.
Preferably, described anti-oxidation cover is made up of sleeve, piston, back-moving spring and end cap, and described piston is arranged in sleeve, and described end cap is connected with sleeve top, and described back-moving spring is connected between piston and end cap; Described clamping device removable seal is connected to sleeve bottom end, and described NTC thermistor chip is positioned at sleeve.
Preferably, described clamping device comprises a making leaf spring and a cylindrical base be made up of insulating material, described base removable seal is connected to sleeve bottom end, the rotatable edge being connected to base top surface in one end of described making leaf spring, the center of described base top surface and the other end of making leaf spring are respectively equipped with a corresponding electrode, and described NTC thermistor chip level is held between two electrodes.
Preferably, the electrode on described making leaf spring is hemispherical dome structure, and breach planar horizontal, faces NTC thermistor chip down, fits with NTC thermistor chip.
Preferably, the electrode on described base is cylindrical structural, and end face is a horizontal plane, fits with NTC thermistor chip.
Preferably, described base edge raises up, and higher than base electrode top, forms the holding tank that holds NTC thermistor chip.
Preferably, described clamping device comprises the depression bar and a cylindrical base be made up of insulating material that two elastomeric materials make, described base removable seal is connected to sleeve bottom end, described base top surface intermediate projections one boss, described two depression bar bottoms penetrate base and are stretched out by bottom surface, the corresponding both sides laying respectively at boss are fixed, top tilts to intermediate lands direction, described two depression bar tops are provided with bump electrode mutually to the inside, described NTC thermistor chip is vertically placed on boss end face, is gripped by the bump electrode on two depression bars.
Preferably, described boss end face centre position is provided with a groove adapted with NTC thermistor chip edge, and described NTC thermistor chip is vertically placed on groove.
Preferably, described bump electrode is spherical structure, and during its clamping NTC thermistor chip and the surface of NTC thermistor chip is point cantact.
Compared with prior art, the invention has the beneficial effects as follows:
One, by adopting encapsulating structure that can be for convenience detach, NTC thermistor chip is encapsulated, just can reclaim it very easily after NTC thermistor chip rejection, the mineral resources such as the various oxide in the chip in NTC product and the noble silver in termination electrode can be recycled again, economize on resources.
Its two, anti-oxidation cover adopts piston cylinder operator, utilizes and add piston in sleeve, and when making the spatially-variable in annular seal space to avoid NTC thermistor chip operation, circumference gas causes annular seal space internal pressure excessive and breaks.
They are three years old, clamping device can select horizontal lying-type or vertical type, when adopting horizontal lying-type clamping device, NTC thermistor chip level is held between making leaf spring electrode and base electrode, contact between itself and two electrodes is plane, contact area is comparatively large, is used in actual use the product needed by big current; When adopting vertical type clamping device, there are two depression bars, when NTC thermistor chip is installed, directly NTC thermistor chip to be pressed between two depression bars and to be pressed in the groove on base boss, gripped by the bump electrode on two depression bars, lay and take out product very convenient; Bump electrode takes spherical structure, decreases the scraping between itself and bump electrode when laying and take out NTC thermistor chip; Because the contact of bump electrode and NTC thermistor chip is point-like, contact area is little, the situation of point discharge easily occurring when being energized, being applicable to experiment and the research and development of product, be equivalent to make product experiment condition harshization to be measured, contribute to the potential quality problems finding product.
[accompanying drawing explanation]
Fig. 1 is the structural representation of first embodiment of the invention;
Fig. 2 is the vertical view of clamping device when clamping NTC thermistor chip of first embodiment of the invention;
Fig. 3 is the front view of clamping device when clamping NTC thermistor chip of first embodiment of the invention;
Fig. 4 is the structural representation of second embodiment of the invention;
Fig. 5 a is the clamping device front view of second embodiment of the invention;
Fig. 5 b is the clamping device vertical view of second embodiment of the invention;
Fig. 6 a is the front view of clamping device when clamping NTC thermistor chip of second embodiment of the invention;
Fig. 6 b is the end view of clamping device when clamping NTC thermistor chip of second embodiment of the invention.
[embodiment]
Below in conjunction with the drawings and the specific embodiments, the present invention is described further:
First embodiment
As shown in Figure 1 to Figure 3, recoverable version NTC thermistor of the present invention is made up of clamping device 1, anti-oxidation cover 2 and NTC thermistor chip 3; Described NTC thermistor chip 3 is wafer-type, described clamping device 1 comprises making leaf spring 12 and the cylindrical base be made up of insulating material 11, one end of making leaf spring 12 is by a rotatable edge being fixed on base 11 end face of trip bolt 13, the center of described base 11 end face is provided with a base electrode 14, and the other end of described making leaf spring 12 is provided with a making leaf spring electrode 15 corresponding with base electrode 14; Described base electrode 14 is cylindrical structural, and end face is horizontal plane; Described making leaf spring electrode 15 is hemispherical dome structure, and breach planar horizontal is corresponding with base electrode 14 down; Described NTC thermistor chip 3 level is held between base electrode 14 and making leaf spring electrode 15, described making leaf spring electrode 15 and base electrode 14 are fitted with NTC thermistor chip 3 plane contact, contact area is comparatively large, and in applicable actual use, needs are by the product of big current; The edge 16 of described base 11 raises up certain altitude, and higher than the top of base electrode 14, middlely form the holding tank 17 that holds NTC thermistor chip 3, described holding tank 17 pairs of NTC thermistor chips 3 play spacing fixation.Described anti-oxidation cover 2 comprises sleeve 21, piston 22, back-moving spring 24 and end cap 23, described piston 22 is arranged in sleeve 21, described end cap 23 is connected to the top of sleeve 21, and described back-moving spring 24 is connected between piston 22 and end cap 23, and described base 11 is sealedly attached to the bottom of sleeve 21; For ease of installation and removal, sleeve 21 and base 11, and between sleeve 21 and end cap 23, can close-fitting mode be interconnected with screw thread or other; An annular seal space is formed between described sleeve 21 and base 11 and piston 22, described NTC thermistor chip 3 is positioned at sealing chamber, air in chamber residing for NTC thermistor chip 3 and outside air are isolated, thus avoid the termination electrode silver continued oxidation of NTC thermistor chip 3, thus make electrode contact good, ensure good conductive capability; Because a wherein sealed end of annular seal space is piston, so its space is transformable.
During concrete use, when installing or take out NTC thermistor chip 3, first unclamp the connection between the sleeve 21 of anti-oxidation cover 2 and base 11, making leaf spring electrode 15 is made to shift out the holding tank 17 of base by rotating making leaf spring 12, or unclamp the trip bolt 13 of fixing making leaf spring 12, take off making leaf spring 12, waste and old NTC thermistor chip 3 is changed into new, retract or load onto making leaf spring 12 afterwards and make it clamp NTC thermistor chip 3; When NTC thermistor chip is because of overcurrent or select improper and burn, when causing jigs electrode burn oxidation or adhere to NTC fragment, detachable making leaf spring, to its grinding process or with what renew, improves the useful life of product simultaneously.
Second embodiment
As shown in Figure 4, the structural representation of the second embodiment of the present invention, the difference of described second embodiment and the first embodiment is that the structure of clamping device 1 and NTC thermistor chip 3 are installed on the mode on clamping device 1; As shown in a, b of Fig. 5, the structural representation of the clamping device 1 of second embodiment of the invention, described clamping device 1 comprises the depression bar 18 made with base 11 and two elastomeric materials, described base 11 end face intermediate projections one boss 111; The bottom of described two depression bars 18 penetrates base 11 and is stretched out by bottom surface, lay respectively at the corresponding both sides of boss, fixed by the trip bolt 13 on base 11 side, top tilts to intermediate lands 111 direction, described two depression bar 18 tops are provided with bump electrode 19 mutually to the inside, and described boss 111 end face centre position is provided with a groove 112 adapted with NTC thermistor chip 3 edge.During use, as shown in a, b of Fig. 6, by NTC thermistor 3 vertically between press-in two depression bars 18, and be pressed in the groove 112 of boss 111, gripped by the bump electrode 19 on two depression bar 18 tops; Scraping when laying and take out NTC thermistor chip 3 for reducing between itself and bump electrode 19, described bump electrode 19 is spherical structure, the contact of itself and NTC thermistor chip 3 is point-like, contact area is little, easily there is point discharge when being energized, therefore be not suitable for the product that needs in actual use by big current, but when being used as experimental use, be equivalent to make product experiment condition harshization to be measured, contribute to the potential mass defect finding product.
As shown in Figure 1 and Figure 4, be provided with a step 25 in sleeve 21, the position of described step 25, higher than the top of base 11 and NTC thermistor chip 3, is used for limited piston 22, avoids piston 22 to collide with base 11 and NTC thermistor chip 3 and causes damaging.
In sum, because the core in NTC product is NTC thermistor chip, therefore the present invention replaces encapsulated layer in the past by adopting encapsulating structure that can be for convenience detach, the various oxide in the chip in NTC product and the noble silver in termination electrode can be reclaimed very easily, save or regenerated the non-renewable mineral resources of part.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (9)
1. a recoverable version NTC thermistor, it is characterized in that: comprise NTC thermistor chip, clamping device and an anti-oxidation cover be connected with clamping device removable seal, described NTC thermistor chip is installed on clamping device, in the annular seal space formed between anti-oxidation cover and clamping device.
2. recoverable version NTC thermistor according to claim 1, it is characterized in that: described anti-oxidation cover is made up of sleeve, piston, back-moving spring and end cap, described piston is arranged in sleeve, and described end cap is connected with sleeve top, and described back-moving spring is connected between piston and end cap; Described clamping device removable seal is connected to sleeve bottom end, and described NTC thermistor chip is positioned at sleeve.
3. recoverable version NTC thermistor according to claim 1 and 2, it is characterized in that: described clamping device comprises a making leaf spring and a cylindrical base be made up of insulating material, described base removable seal is connected to sleeve bottom end, the rotatable edge being connected to base top surface in one end of described making leaf spring, the center of described base top surface and the other end of making leaf spring are respectively equipped with a corresponding electrode, and described NTC thermistor chip level is held between two electrodes.
4. recoverable version NTC thermistor according to claim 3, is characterized in that: the electrode on described making leaf spring is hemispherical dome structure, and breach planar horizontal, faces NTC thermistor chip down, fits with NTC thermistor chip.
5. recoverable version NTC thermistor according to claim 3, is characterized in that: the electrode on described base is cylindrical structural, and end face is a horizontal plane, fits with NTC thermistor chip.
6. recoverable version NTC thermistor according to claim 3, is characterized in that: described base edge raises up, and higher than base electrode top, forms the holding tank that holds NTC thermistor chip.
7. recoverable version NTC thermistor according to claim 1 and 2, it is characterized in that: described clamping device comprises the depression bar and a cylindrical base be made up of insulating material that two elastomeric materials make, described base removable seal is connected to sleeve bottom end, described base top surface intermediate projections one boss, described two depression bar bottoms penetrate base and are stretched out by bottom surface, the corresponding both sides laying respectively at boss are fixed, top tilts to intermediate lands direction, described two depression bar tops are provided with bump electrode mutually to the inside, when NTC thermistor chip is vertically placed on boss end face, gripped by the bump electrode on two depression bars.
8. recoverable version NTC thermistor according to claim 7, is characterized in that: described boss end face centre position is provided with a groove adapted with NTC thermistor chip edge, and described NTC thermistor chip is vertically placed on groove.
9. recoverable version NTC thermistor according to claim 7, is characterized in that: described bump electrode is spherical structure, and during its clamping NTC thermistor chip and the surface of NTC thermistor chip is point cantact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210053423.0A CN103295708B (en) | 2012-03-02 | 2012-03-02 | Recoverable version NTC thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210053423.0A CN103295708B (en) | 2012-03-02 | 2012-03-02 | Recoverable version NTC thermistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103295708A CN103295708A (en) | 2013-09-11 |
| CN103295708B true CN103295708B (en) | 2016-01-06 |
Family
ID=49096428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210053423.0A Active CN103295708B (en) | 2012-03-02 | 2012-03-02 | Recoverable version NTC thermistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103295708B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417327A (en) * | 2018-03-12 | 2018-08-17 | 安徽晶格尔电子有限公司 | A kind of fixation kit for combining thermal resistor |
| CN113380479B (en) * | 2021-06-09 | 2022-05-17 | 深圳市科敏传感器有限公司 | High-temperature-resistant waterproof chip type high-molecular NTC thermistor |
| CN113470909B (en) * | 2021-06-25 | 2022-04-19 | 深圳市久喜电子有限公司 | Recoverable NTC thermistor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142265A (en) * | 1990-04-05 | 1992-08-25 | Nippon Oil & Fats Co., Ltd. | Positive temperature coefficient thermistor device |
| CN102129899A (en) * | 2010-12-17 | 2011-07-20 | 深圳顺络电子股份有限公司 | Low-resistance chip type negative temperature coefficient thermistor in vertical structure and manufacturing method thereof |
| CN102789857A (en) * | 2012-08-01 | 2012-11-21 | 孝感华工高理电子有限公司 | Small NTC (Negative Temperature Coefficient) thermistor with glass-sealed diode structure and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009111937A1 (en) * | 2008-03-12 | 2009-09-17 | 电子科技大学 | An ntc thin film thermal resistor and a method of producing it |
-
2012
- 2012-03-02 CN CN201210053423.0A patent/CN103295708B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142265A (en) * | 1990-04-05 | 1992-08-25 | Nippon Oil & Fats Co., Ltd. | Positive temperature coefficient thermistor device |
| CN102129899A (en) * | 2010-12-17 | 2011-07-20 | 深圳顺络电子股份有限公司 | Low-resistance chip type negative temperature coefficient thermistor in vertical structure and manufacturing method thereof |
| CN102789857A (en) * | 2012-08-01 | 2012-11-21 | 孝感华工高理电子有限公司 | Small NTC (Negative Temperature Coefficient) thermistor with glass-sealed diode structure and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103295708A (en) | 2013-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102074676B (en) | Electrokinetic cell | |
| CN103295708B (en) | Recoverable version NTC thermistor | |
| CN202120918U (en) | Crimp-connection IGBT (Insulated Gate Bipolar Transistor) device | |
| CN104599846A (en) | Chip high-voltage miniature long-life aluminum electrolytic capacitor and manufacturing method thereof | |
| CN106783782A (en) | Many pin surface mount elements and preparation method thereof | |
| CN206179787U (en) | High -voltage direct -current relay seal structure | |
| CN103682184A (en) | Power battery cover plate | |
| CN103794702A (en) | LED support | |
| CN201663023U (en) | Chip resistor and chip array both with anti-vulcanizing electrode structures | |
| CN210516490U (en) | Platform type ceramic chip mechanism | |
| CN202076130U (en) | Capacitor | |
| CN104465790A (en) | MEMS pressure sensor and packaging method thereof | |
| CN203503639U (en) | High voltage semiconductor device of self-positioning chip | |
| CN209388800U (en) | A kind of encapsulating type shell type structure and electronic component | |
| CN209372215U (en) | A kind of high-temperature wide-frequency piezoelectric vibration pickup | |
| CN101635284A (en) | Wafer packaging structure | |
| CN103915394B (en) | Semiconductor package and preparation method thereof | |
| CN202150505U (en) | Terminal of storage battery | |
| CN106537578A (en) | Turn-off power semiconductor device with improved centering and fixing of gate ring, and method for manufacturing same | |
| CN202871437U (en) | Pillar type arrester | |
| EP3696853A1 (en) | Power semiconductor chip package structure | |
| CN102361009A (en) | Production method of rectifier diode | |
| CN203607176U (en) | Piezoresistor suitable for high temperature and high humidity environment | |
| CN104319206A (en) | Suspended sheet-metal electronic component and batch manufacturing method thereof | |
| CN109712964A (en) | A kind of packaging part and its manufacturing method and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |