CN211479789U - Thick film surge-resistant chip resistor - Google Patents
Thick film surge-resistant chip resistor Download PDFInfo
- Publication number
- CN211479789U CN211479789U CN201922437868.9U CN201922437868U CN211479789U CN 211479789 U CN211479789 U CN 211479789U CN 201922437868 U CN201922437868 U CN 201922437868U CN 211479789 U CN211479789 U CN 211479789U
- Authority
- CN
- China
- Prior art keywords
- resistor
- electrode
- surge
- substrate
- hole
- 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
Images
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model relates to a thick film surge-resistant chip resistor, including the resistance base plate, the resistance base plate upper surface is fixed with first resistive element, and the lower surface is fixed with the second resistive element that is the same with first resistive element resistance, and first separating groove divides first resistive element into two first divisional resistive elements, and second separating groove divides the second resistive element into two second divisional resistive elements; a through hole longitudinally penetrates through the resistor substrate, a through rod penetrates through the through hole, a fusing hole transversely penetrates through the upper end of the through rod, a conductive block is fixed at the lower end of the through rod, fusing wires with two ends respectively connected with the two first divided resistors penetrate through the fusing hole, first inclined planes are arranged on two sides of the conductive block, and second inclined planes opposite to the two first inclined planes are arranged on the two second divided resistors respectively; the resistor can be continuously used after the fuse wire is fused, and the replacement is not needed; the failure rate of the resistor due to the surge is reduced and the life of the resistor is extended.
Description
Technical Field
The utility model relates to the technical field of resistance, more specifically say, relate to an anti surge chip resistor of thick film.
Background
With the progress of science and technology, the development of the era and the requirements of people on various electronic products are continuously improved, the thick film resistor with reliable performance and stable process also presents a diversified development trend according to the special requirements of the electronic products, new development opportunities are brought to the thick film resistor, and the client application end has higher requirements on the anti-surge performance index of the thick film resistor. At present, the common thick film resistor in the existing industry has poor surge resistance, and the requirement of people on surge resistance of the thick film chip resistor cannot be met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide an anti surge chip resistor of thick film.
The utility model provides a technical scheme that its technical problem adopted is:
constructing a thick-film anti-surge chip resistor, which comprises a resistor substrate; the resistor substrate is characterized in that a first resistor body is fixed on the upper surface of the resistor substrate, a second resistor body with the same resistance as the first resistor body is fixed on the lower surface of the resistor substrate, a first partition groove is formed in the first resistor body, a second partition groove is formed in the second resistor body, the first partition groove divides the first resistor body into two first divided resistor bodies, and the second partition groove divides the second resistor body into two second divided resistor bodies; a through hole longitudinally penetrates through the resistor substrate, a through rod penetrates through the through hole, a fusing hole transversely penetrates through the upper end of the through rod, a conductive block is fixed at the lower end of the through hole, fusing wires with two ends respectively connected with the two first divided resistors penetrate through the fusing hole, first inclined planes are arranged on two sides of the conductive block, and second inclined planes opposite to the two first inclined planes are arranged on the two second divided resistors respectively; and two ends of the second resistor body are respectively connected with the first electrode and the second electrode.
Thick film anti-surge chip resistor, wherein, first electrode with the second electrode is all including the inner electrode that covers resistance substrate both ends, the parcel has the middle electrode that has the heat resistance on the inner electrode, the parcel has the outside electrode that has the weldability on the middle electrode.
Thick film surge-resistant chip resistor, wherein, first resistive element with the second resistive element is gone up and is all covered with first glass body, first glass body coats and is covered with the second glass body, second glass body both ends with the surface of inner electrode offsets.
Thick film surge-resistant chip resistor, wherein, cover first resistive element first glass body downside be equipped with the just right elastic component in upper end of conducting rod.
Anti surge chip resistor of thick film, wherein, the resistance substrate specifically is ceramic substrate.
The beneficial effects of the utility model reside in that: the novel resistor is connected with the circuit board through the first electrode and the second electrode, when the current is too large, the fuse wire between the two first divided resistor bodies can be fused, the conducting rod hung through the fuse wire descends to drive the conducting block to descend, the first inclined surface on the conducting block is in contact with the second inclined surface of the second divided resistor body, the two second divided resistor bodies are conducted, and the second divided resistor body is connected with the two electrodes respectively and has the same resistance value as the first divided resistor body, so that the resistor can be continuously used without replacement; the failure rate of the resistor due to the surge is reduced and the life of the resistor is extended.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:
fig. 1 is a schematic structural diagram of a thick film surge-resistant chip resistor according to a preferred embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of a thick film surge-resistant chip resistor according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The thick film surge-resistant chip resistor of the preferred embodiment of the present invention is shown in fig. 1, referring to fig. 2, and includes a resistor substrate 1, wherein the upper surface of the resistor substrate 1 is fixed with a first resistor 2, the lower surface is fixed with a second resistor 3 having the same resistance as the first resistor 2, the first resistor 2 is provided with a first dividing groove 21, the second resistor 3 is provided with a second dividing groove 31, the first dividing groove 21 divides the first resistor 2 into two first dividing resistors 22, and the second dividing groove 31 divides the second resistor 3 into two second dividing resistors 32; a through hole 11 longitudinally penetrates through the resistor substrate 1, a through rod 4 penetrates through the through hole 11, a fuse hole 41 transversely penetrates through the upper end of the through rod 4, a conductive block 5 is fixed at the lower end of the through rod, a fuse wire 6 with two ends respectively connected with the two first divided resistors 22 penetrates through the fuse hole 41, first inclined planes 51 are respectively arranged on two sides of the conductive block 5, and second inclined planes 321 opposite to the two first inclined planes 51 are respectively arranged on the two second divided resistors 32; a first electrode 12 and a second electrode 13 are respectively connected with two ends of the first resistor body 2, and a first electrode 12 and a second electrode 13 are respectively connected with two ends of the second resistor body 3;
the novel resistor is connected with the circuit board through the first electrode 12 and the second electrode 13, when the current is too large, the fuse wire 6 between the two first divided resistor bodies 22 can be fused, the conducting rod 4 hung through the fuse wire 6 descends to drive the conducting block 5 to descend, the first inclined surface 51 on the conducting block 5 is in contact with the second inclined surface 321 of the second divided resistor body 32, the two second divided resistor bodies 32 are conducted, and the resistance value of the second divided resistor body 32 is the same as that of the first divided resistor body 22, so that the resistor can be continuously used without replacement; the failure rate of the resistor due to the surge is reduced and the life of the resistor is extended.
As shown in fig. 1-2, each of the first electrode 12 and the second electrode 13 includes an inner electrode 14 covering both ends of the resistor substrate 1, the inner electrode 14 is wrapped with a heat-resistant intermediate electrode 15, and the intermediate electrode 15 is wrapped with a solderable outer electrode 16; the heat insulation property of the first electrode 12 and the second electrode 13 is enhanced, and the first electrode 12 and the second electrode 13 are convenient to be welded on a circuit board.
As shown in fig. 1-2, the first glass body 7 covers the first resistor body 2 and the second resistor body 3, the second glass body 8 covers the first glass body 7, and two ends of the second glass body 8 are abutted against the surface of the inner electrode 14; the first resistor body 2 and the second resistor body 3 are protected.
As shown in fig. 2, an elastic member 9 facing the upper end of the conduction rod 4 is provided on the lower side of the first glass body 7 covering the first resistor 2; facilitating the downward movement of the conducting rod 4.
As shown in fig. 1-2, the resistive substrate 1 is embodied as a ceramic substrate; the ceramic substrate is advantageous for heat dissipation.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. A thick film anti-surge chip resistor comprises a resistor substrate; the resistor substrate is characterized in that a first resistor body is fixed on the upper surface of the resistor substrate, a second resistor body with the same resistance as the first resistor body is fixed on the lower surface of the resistor substrate, a first partition groove is formed in the first resistor body, a second partition groove is formed in the second resistor body, the first partition groove divides the first resistor body into two first divided resistor bodies, and the second partition groove divides the second resistor body into two second divided resistor bodies; a through hole longitudinally penetrates through the resistor substrate, a through rod penetrates through the through hole, a fusing hole transversely penetrates through the upper end of the through rod, a conductive block is fixed at the lower end of the through hole, fusing wires with two ends respectively connected with the two first divided resistors penetrate through the fusing hole, first inclined planes are arranged on two sides of the conductive block, and second inclined planes opposite to the two first inclined planes are arranged on the two second divided resistors respectively; and two ends of the second resistor body are respectively connected with the first electrode and the second electrode.
2. The thick-film surge-resistant chip resistor as claimed in claim 1, wherein each of the first and second electrodes comprises an inner electrode covering both ends of the resistor substrate, the inner electrode is wrapped with a heat-resistant intermediate electrode, and the intermediate electrode is wrapped with a solderable outer electrode.
3. The thick-film surge-resistant chip resistor as claimed in claim 2, wherein the first resistor body and the second resistor body are covered with a first glass body, the first glass body is covered with a second glass body, and both ends of the second glass body are abutted against the surface of the inner electrode.
4. The thick-film surge-resistant chip resistor as claimed in claim 3, wherein an elastic member is provided on the lower side of the first glass body covering the first resistor body, opposite to the upper end of the via-rod.
5. The thick-film surge-resistant chip resistor as claimed in claim 1, wherein the resistor substrate is a ceramic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922437868.9U CN211479789U (en) | 2019-12-30 | 2019-12-30 | Thick film surge-resistant chip resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922437868.9U CN211479789U (en) | 2019-12-30 | 2019-12-30 | Thick film surge-resistant chip resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479789U true CN211479789U (en) | 2020-09-11 |
Family
ID=72359327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922437868.9U Active CN211479789U (en) | 2019-12-30 | 2019-12-30 | Thick film surge-resistant chip resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171267A (en) * | 2021-11-16 | 2022-03-11 | 宁波鼎声微电子科技有限公司 | Anti-surge resistor and processing equipment thereof |
-
2019
- 2019-12-30 CN CN201922437868.9U patent/CN211479789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171267A (en) * | 2021-11-16 | 2022-03-11 | 宁波鼎声微电子科技有限公司 | Anti-surge resistor and processing equipment thereof |
| CN114171267B (en) * | 2021-11-16 | 2023-05-26 | 宁波鼎声微电子科技有限公司 | Anti-surge resistor and processing equipment thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW424245B (en) | Resistor and its manufacturing method | |
| CN211479789U (en) | Thick film surge-resistant chip resistor | |
| KR850002682A (en) | Ceramic multilayer board and its manufacturing method | |
| US8456273B2 (en) | Chip resistor device and a method for making the same | |
| GB2162686A (en) | Thermistors | |
| JP5957693B2 (en) | Chip resistor | |
| CN211929174U (en) | Thermal protection type piezoresistor | |
| US7038572B2 (en) | Power chip resistor | |
| CN201663023U (en) | Chip resistor and chip array both with anti-vulcanizing electrode structures | |
| US12112869B2 (en) | Chip resistor | |
| CN210182176U (en) | Sn-Ni-Ag composite electrode thermistor chip | |
| TWM543448U (en) | Improved structure of leadless resistor | |
| TWI851954B (en) | Chip resistor structure | |
| CN205564431U (en) | PTC temperature sensing subassembly of parallelly connected structure | |
| JP3310010B2 (en) | Positive characteristic thermistor device | |
| CN206496850U (en) | It is a kind of it is new can Thermal protection NTC thermistor temperature sensor | |
| CN206098068U (en) | Fusing resistor | |
| CN204464220U (en) | Circuit protecting element | |
| CN2469526Y (en) | Thermal resistor with positive temp. coefficient and high reliable current foldback function | |
| JP4487825B2 (en) | Temperature detection element | |
| CN217485175U (en) | Pin-free and welding-free surface-mounted electronic component | |
| JP2014096272A (en) | Circuit protection element | |
| KR101148259B1 (en) | Chip resistor device and preparing method of the same | |
| CN214847970U (en) | Surface-mounted electronic element with novel film electrode pattern | |
| CN207038433U (en) | A kind of temperature controller being easily assembled |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |