CN208189315U - A kind of chip high-voltage resistor - Google Patents
A kind of chip high-voltage resistor Download PDFInfo
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- CN208189315U CN208189315U CN201820799367.8U CN201820799367U CN208189315U CN 208189315 U CN208189315 U CN 208189315U CN 201820799367 U CN201820799367 U CN 201820799367U CN 208189315 U CN208189315 U CN 208189315U
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- potsherd
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- resistor body
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Abstract
The utility model discloses a kind of chip high-voltage resistors, it include potsherd and injection casing, the top printing sintering of the potsherd has one layer of resistor body, the top of the resistor body is coated with one layer of layer of silica gel, and the potsherd, resistor body and layer of silica gel are respectively provided with inside the shell, and the both ends of the resistor body are connected with pin, the same side of potsherd is arranged in the pin, and be parallel to each other, fixed block is provided on the pin, the outside of potsherd is arranged in the fixed block.In the utility model; the resistor is coated with layer of silica gel in resistor body upper surface; play certain buffering, protective effect; the generation of potsherd fragmentation situation caused by preventing because of injection molding; it is provided with fixed block on pin simultaneously, facilitates fixed pin, prevents the generation in injection moulding process because being molded defect ware caused by the deviation of potsherd; and the resistor improves mechanical strength and insulating properties, there is better consistency and batch production optimization property.
Description
Technical field
The utility model belongs to resistive technologies field, in particular to a kind of chip high-voltage resistor.
Background technique
Chip resistor is called surface mount electrical resistor, without lead or short is drawn suitable for a new generation of surface mounting technology
Line miniature electronic part, the welding surface of exit is in the same plane.
In recent years, electronic technology rapidly develops, and the integrated level of electronic product is higher and higher, the requirement to electronic component
It is higher and higher.The development need of electronic product light and smallization has exactly been complied in the appearance of chip device, is saved greatly for electronic product
Quantity space makes the proud realization of the miniaturization of electronic product.Chip resistor has humidity, high temperature resistant, reliability height, appearance ruler
It is very little uniformly, resistance value is precisely and temperature coefficient and the small advantage of resistance value tolerance.
In the utility model patent of Publication No. CN202996462U, a kind of chip high-voltage resistor is disclosed, is belonged to
Chip resistor；It is intended to provide a kind of chip resistor small in size, resistance trimming convenience, good pressure-resistant performance.It includes substrate, printing
Resistor body on the substrate, two electrodes being connect with the resistor body；Resistor body is wavy shaped configuration, in the adjacent wave in part
There is the conductive bar for being printed on and connecting on substrate with resistor body between the adjacent trough in peak or part.The utility model resistance value adjusting
Not only facilitated but also accurate, and resistor body will not have been damaged and cause current convergence, resistance good pressure-resistant performance；It is a kind of high voltage bearing
Chip resistor.
But other processing are not done on the surface of the resistor, are lacked insulating protective layer, are easy to cause the broken of the resistor
It splits.
Summary of the invention
To solve the above problems, the purpose of this utility model is to provide a kind of chip high-voltage resistor, which exists
Resistor body upper surface is coated with layer of silica gel, plays certain buffering, protective effect, potsherd fragmentation feelings caused by preventing because of injection molding
The generation of condition.
Another of the utility model is designed to provide a kind of chip high-voltage resistor, is arranged on the pin of the resistor
There is fixed block, facilitate fixed pin, prevents because of the generation for being molded defect ware caused by the deviation of potsherd in injection moulding process, and
And the resistor improves mechanical strength and insulating properties, there is better consistency and batch production optimization property.
To achieve the above object, the technical solution of the utility model is as follows.
A kind of chip high-voltage resistor, includes potsherd and injection casing, and the top of the potsherd is printed with one layer
The top of resistor body, the resistor body is coated with one layer of layer of silica gel, and the potsherd, resistor body and layer of silica gel are arranged at injection molding
In shell, the both ends of the resistor body are connected with pin, and the same side of potsherd is arranged in the pin, and is parallel to each other, institute
It states and is provided with fixed block on pin, the outside of potsherd is arranged in the fixed block.In the utility model, which exists
Resistor body upper surface is coated with layer of silica gel, plays certain buffering, protective effect, potsherd fragmentation feelings caused by preventing because of injection molding
The generation of condition, while fixed block is provided on pin, facilitate fixed pin, prevents in injection moulding process due to the deviation of potsherd
The generation of caused injection molding defect ware, and the resistor improves mechanical strength and insulating properties, has better consistency and criticizes
Measure Optimizing manufacture.
Further, the material of the shell is resin material, and the shell makes potsherd, resistor body and silica gel by injection molding
Layer is contained in resin material.In the utility model, injection casing is coated on the outer of potsherd, resistor body and layer of silica gel
Portion is molded by molding, improves the mechanical strength and insulating properties of the resistor.
Further, the middle part of pin is arranged in the fixed block, and connects with potsherd.In the utility model,
The adjacent side of potsherd is provided with fixed block, and compared to pin, the wider width of fixed block facilitates fixation, prevents from being molded
Potsherd deviates in journey, cause shell can not coating ceramic piece, resistor body and layer of silica gel completely, lead to the generation of parity product.
Further, the pin includes the first pin and second pin, and first pin is arranged in the one of potsherd
The other end of potsherd is arranged in end, the second pin.In the utility model, pin is set at the both ends of potsherd,
Facilitate connection other electron component.
Further, the both ends of the resistor body are all covered with electrode, and first pin and second pin are arranged at
On corresponding electrode.In the utility model, electrode can reduce by the first pin and second pin contacts at work
Undesirable probability ensure that resistor operates normally for a long time.
Further, a layer insulating is also brushed on the surface of the resistor body.In the utility model, insulating layer is set
Set the insulating properties that can be improved the resistor.
Further, the hardness of the pin is more than or equal to Vickers hardness 95.In the utility model, it is whole compared with
Thin, required fixing intensity is larger, prevents magnetic sheet deviation caused by the pressure in injection moulding process.
Further, the size of the potsherd is 37.5mm × 7.5mm × 1.0mm, and the potsherd is 96% aluminium oxide
Potsherd.In the utility model, 96% alumina ceramic plate has good conductibility, mechanical strength and heat-resisting quantity,
Overall volume is smaller, saves space.
Further, the resistor body is the noninductive high-tension resistive of thick film, and the shape of the resistor body is waveform.It is practical at this
In novel, wavy structure can be improved the resistance to pressure of the resistor body.
The beneficial effects of the utility model are: compared with prior art, a kind of chip high-voltage electricity provided by the utility model
Device is hindered, which is coated with layer of silica gel in resistor body upper surface, plays certain buffering, protective effect, prevent from leading because of injection molding
The generation of the potsherd fragmentation situation of cause, while fixed block is provided on pin, facilitate fixed pin, prevents in injection moulding process
Because potsherd deviation caused by be molded the generation of defect ware, and the resistor improves mechanical strength and insulating properties, has
Better consistency and batch production optimization property.
Detailed description of the invention
Fig. 1 is a kind of sectional view of chip high-voltage resistor of the utility model.
Fig. 2 is a kind of structural schematic diagram of chip high-voltage resistor of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to shown in Fig. 1-2, a kind of chip high-voltage resistor realized by the utility model includes 1 He of potsherd
Injection casing 6, the top printing sintering of potsherd 1 have one layer of resistor body 2, and the top of resistor body 2 is coated with one layer of layer of silica gel 3,
Potsherd 1, resistor body 2 and layer of silica gel 3 are arranged in injection casing 6, and the both ends of resistor body 2 are connected with pin 4, and pin 4 is set
It sets in the same side of potsherd 1, and is parallel to each other, fixed block 5 is provided on pin 4, the outer of potsherd 1 is arranged in fixed block 5
Side.In the utility model, which is coated with layer of silica gel 3 in 2 upper surface of resistor body, plays certain buffering, protection
Effect, the generation of 1 fragmentation situation of potsherd caused by preventing because of injection molding, while fixed block 5 is provided on pin 4, it is convenient solid
Determine pin 4, prevents because of the generation for being molded defect ware caused by the deviation of potsherd 1 in injection moulding process, and the resistor mentions
High mechanical strength and insulating properties, there is better consistency and batch production optimization property.
In the utility model, the resistance value of the resistor is the Europe 50M~200M, and rated power is 4.5W/25 degree, temperature
Degree coefficient is 25PPM, maximum working voltage 22KV.
In the present embodiment, the material of injection casing 6 is resin material, and injection casing 6 makes potsherd 1, electricity by injection molding
Resistance body 2 and layer of silica gel 3 are contained in resin material.In the utility model, injection casing 6 is coated on potsherd 1, resistor body
2 and layer of silica gel 3 outside, by molding be molded, improve the mechanical strength and insulating properties of the resistor.
In the present embodiment, the middle part of pin 4 is arranged in fixed block 5, and connects with potsherd 1.Work as in the utility model
In, the adjacent side of potsherd 1 is provided with fixed block 5, compared to pin 4, the wider width of fixed block 5 facilitates fixation, prevents
Only potsherd 1 deviates in injection moulding process, cause injection casing 6 can not coating ceramic piece 1, resistor body 2 and layer of silica gel 3 completely, lead
Cause the generation of parity product.
In the present embodiment, pin 4 includes the first pin 41 and second pin 42, and the first pin 41 is arranged in potsherd
The other end of potsherd 1 is arranged in 1 one end, second pin 42.In the utility model, it is arranged at the both ends of potsherd 1
Pin 4 facilitates connection other electron component.
In the present embodiment, the both ends of resistor body 2 are all covered with electrode, and the first pin 41 and second pin 42 are arranged at
On corresponding electrode.In the utility model, electrode can reduce the first pin 41 and second pin 42 at work
The probability of poor contact ensure that resistor operates normally for a long time.
In the present embodiment, a layer insulating is also brushed on the surface of resistor body 2.In the utility model,
The setting of insulating layer can be improved the insulating properties of the resistor.
In the present embodiment, the hardness of pin 4 is more than or equal to Vickers hardness 95.It is whole in the utility model
Body is relatively thin, and required fixing intensity is larger, prevents magnetic sheet deviation caused by the pressure in injection moulding process.
In the present embodiment, the size of potsherd 1 is 37.5mm × 7.5mm × 1.0mm, and potsherd 1 is 96% aluminium oxide
Potsherd.In the utility model, 96% alumina ceramic plate has good conductibility, mechanical strength and heat-resisting quantity,
Overall volume is smaller, saves space.
In the present embodiment, resistor body 2 is the noninductive high-tension resistive of thick film, and the shape of resistor body 2 is waveform.It is practical at this
In novel, wavy structure can be improved the resistance to pressure of the resistor body.
The beneficial effects of the utility model are: compared with prior art, a kind of chip high-voltage electricity provided by the utility model
Device is hindered, which is coated with layer of silica gel in resistor body upper surface, plays certain buffering, protective effect, prevent from leading because of injection molding
The generation of the potsherd fragmentation situation of cause, while fixed block is provided on pin, facilitate fixed pin, prevents in injection moulding process
Because potsherd deviation caused by be molded the generation of defect ware, and the resistor improves mechanical strength and insulating properties, has
Better consistency and batch production optimization property.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (9)
1. a kind of chip high-voltage resistor, includes potsherd and injection casing, which is characterized in that the top of the potsherd prints
System sintering has one layer of resistor body, and the top of the resistor body is coated with one layer of layer of silica gel, the potsherd, resistor body and layer of silica gel
It being arranged in injection casing, the both ends of the resistor body are connected with pin, and the same side of potsherd is arranged in the pin, and
It is parallel to each other, fixed block is provided on the pin, the outside of potsherd is arranged in the fixed block.
2. chip high-voltage resistor according to claim 1, which is characterized in that the material of the injection casing is resinous wood
Material, the injection casing are contained in potsherd, resistor body and layer of silica gel in resin material by injection molding.
3. chip high-voltage resistor according to claim 1, which is characterized in that the fixed block is arranged in pin
Portion, and connect with potsherd.
4. chip high-voltage resistor according to claim 1, which is characterized in that the pin includes the first pin and
One end of potsherd is arranged in two pins, first pin, and the other end of potsherd is arranged in the second pin.
5. chip high-voltage resistor according to claim 4, which is characterized in that the both ends of the resistor body are all covered with electricity
Pole, first pin and second pin are arranged on corresponding electrode.
6. chip high-voltage resistor according to claim 1, which is characterized in that be also brushed with one on the surface of the resistor body
Layer insulating.
7. chip high-voltage resistor according to claim 1, which is characterized in that the hardness of the pin is to be greater than or wait
In Vickers hardness 95.
8. chip high-voltage resistor according to claim 1, which is characterized in that the size of the potsherd be 37.5mm ×
7.5mm × 1.0mm, the potsherd are 96% alumina ceramic plate.
9. chip high-voltage resistor according to claim 1, which is characterized in that the resistor body is the noninductive high-voltage electricity of thick film
Resistance, the shape of the resistor body are waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799367.8U CN208189315U (en) | 2018-05-25 | 2018-05-25 | A kind of chip high-voltage resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799367.8U CN208189315U (en) | 2018-05-25 | 2018-05-25 | A kind of chip high-voltage resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189315U true CN208189315U (en) | 2018-12-04 |
Family
ID=64427719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820799367.8U Active CN208189315U (en) | 2018-05-25 | 2018-05-25 | A kind of chip high-voltage resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208189315U (en) |
-
2018
- 2018-05-25 CN CN201820799367.8U patent/CN208189315U/en active Active
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