CN210378643U - Solid resistor - Google Patents
Solid resistor Download PDFInfo
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- CN210378643U CN210378643U CN201921182182.3U CN201921182182U CN210378643U CN 210378643 U CN210378643 U CN 210378643U CN 201921182182 U CN201921182182 U CN 201921182182U CN 210378643 U CN210378643 U CN 210378643U
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- nylon polymer
- resistor
- resistance
- resistor body
- electric connection
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Abstract
In order to overcome the technical problems that the existing charging resistor has smaller tolerable power and poorer impact resistance, or the resistance and the volume are difficult to be made large, or liquid leakage exists, the utility model provides an entity resistor, which comprises a nylon polymer resistor body internally doped with a conductive material; two ends of the nylon polymer resistor body are connected with electric connection joints; the flexible insulating sheath is coated outside the nylon polymer resistor body. The utility model discloses possess the high-power and shock resistance of entity resistance, come the customization through the doping concentration of conductive material in nylon polymer in adjusting the nylon polymer resistive element, the resistance is easily done with the volume greatly, does not have the liquid leakage problem, makes things convenient for plasticity, is applicable to in the various comparatively complicated spatial structure.
Description
Technical Field
The utility model belongs to the technical field of pulse power, concretely relates to can tolerate entity resistor of great transmission power.
Background
In the field of pulse power technology, high-power pulse primary sources such as Marx generators, LTDs (linear pulse transformers) and the like usually consist of a large number of high-voltage capacitors and gas switches. At the beginning of operation, these capacitors are charged to the set voltage value through the charging isolation loop. Then, the internal switch is turned on by the external contact or the internal contact, the capacitor starts to discharge to the end load, and the main loop is established. The charging isolation loop is usually formed by a resistor network. In the charging stage, the resistance network mainly plays the roles of current limiting and charging time control, and needs to bear charging voltage and current for a long time; in the discharging stage, the resistor network plays a role in protecting the charging power supply and isolating the internal capacitor, and needs to bear short-time high-voltage impact.
In a Marx generator or LTD, a high-power charging resistor is commonly used, such as a metallized film resistor, a wire-wound resistor, a cement solid resistor, a water resistor, and the like. The metallized film resistor has low power tolerance and the winding resistor has poor impact resistance, and the metallized film resistor and the winding resistor are used for a charging loop and are easy to generate the phenomena of surface cracking, insulation damage at two ends and the like when being used for a long time; the cement solid resistor has strong current capacity, but the resistance value and the volume are difficult to be enlarged, and the cement solid resistor is not suitable for a single-stage Marx generator with hundreds of kilovolts of withstand voltage or LTD; the tolerable power and the impact resistance of the water resistor can meet the requirements, but the leakage of the water resistor can seriously affect the insulating property of the pulse source core because the pulse source core is usually in transformer oil or high-pressure gas, so the use condition has certain limitation.
SUMMERY OF THE UTILITY MODEL
In order to overcome that present charging resistor can tolerate less, the shock resistance can be relatively poor, perhaps resistance and volume are difficult to do greatly, perhaps have the technical problem of liquid leakage, the utility model provides an entity resistor based on conducting polymer.
The technical scheme of the utility model is that:
a physical resistor, characterized in that: the resistor body comprises a nylon polymer resistor body internally doped with a conductive material; two ends of the nylon polymer resistor body are connected with electric connection joints; the flexible insulating sheath is coated outside the nylon polymer resistor body.
Furthermore, the electric connection joint is a self-tensioning electric connection joint, one end of the electric connection joint is of an open ring-shaped clamping structure and is used for being connected with the nylon polymer resistor body; the other end is a self-tensioning quick-plug structure and is used for being connected into a charging isolation loop.
Furthermore, two ends of the flexible insulating sheath are hooped with the split ring-shaped clamping structure of the electric connection joint, and the flexible insulating sheath is positioned outside the split ring-shaped clamping structure.
Further, the conductive material is carbon powder or silver powder.
Furthermore, the nylon polymer resistor body is long.
Further, the nylon polymer resistor is made of a resistor produced by Zhejiang Linzhi New Material Co.
The utility model has the advantages that:
1. the utility model has the advantages of through-flow capacity and anti pulse impact property are strong, the required power of the elementary source resistance network of satisfying pulse that can be fine and impact-resistant requirement.
Will the utility model discloses an actual sample replaces water resistance or high-power film/winding resistance in the past to verify in the MV level Marx generator of developing by oneself, and this generator runs three thousand more times altogether, and output voltage pulse amplitude range is from 700kV to 2.5 MV, about pulse forward position 350ns, and the internal resistance body does not take place to explode because of the power undersize and splits or take place the phenomenon of damage because of the poor end of shock resistance, proves the utility model discloses a through-flow capacity and anti pulse impact resistance can all well satisfy the operating mode requirement in the inside charge circuit of MV level Marx generator.
2. The utility model discloses a resistive element is the inside nylon polymer resistive element that dopes conducting material such as carbon dust and/or silver powder, possesses the high-power and shock resistance of entity resistance.
Will the utility model discloses an actual sample is applied to and verifies in the MV level Marx generator of developing by oneself, the utility model discloses an actual sample can be for a long time through the heavy current of dozens of kA orders of magnitude, with the high-pressure fast pulse of nanosecond level, consequently, the utility model discloses possess the high-power and the shock resistance of entity resistance.
3. Nylon polymer self has certain plasticity, and convenient moulding, consequently the utility model is suitable for an among the various comparatively complicated spatial structure.
4. The utility model discloses the electric connector at resistance body both ends combines the quick-insertion structure of conventional opening ring-shaped clamping structure and electricity connection, has the electricity and connects advantages such as reliable, connect simple swiftly.
5. The utility model discloses there is not the liquid leakage problem.
6. The utility model discloses a resistivity can be according to the operation requirement, customizes through adjusting the doping concentration of conducting material (for example carbon powder or silver powder) in the nylon polymer resistance body in the nylon polymer, and resistance and volume easily do greatly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a self-tightening electrical connector according to an embodiment of the present invention.
Reference numbers in the figures:
1-a flexible insulating sheath; 2-nylon polymer resistor body; 3-an electrical connection terminal; 31-split ring-shaped clamping structure; 32-self-tensioning quick-insertion structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the solid resistor provided in the embodiment of the present invention includes a long strip nylon polymer resistor body 2 doped with conductive materials such as carbon powder and/or silver powder; the resistance and the conductivity of the nylon polymer resistor body 2 are determined by the content and the distribution of the conductive material inside the nylon polymer resistor body; two ends of the nylon polymer resistor body 2 are connected with self-tensioning electric connection joints 3; one end of the self-tensioning electric connection joint 3 is provided with an open ring-shaped clamping structure 31 which is used for connecting with the nylon polymer resistor body; the other end of the self-tensioning quick-insertion structure 32 is provided with a self-tensioning quick-insertion structure 32, the middle part of the self-tensioning quick-insertion structure is large and hollow, when the hollow part in the middle of the self-tensioning quick-insertion structure 32 is held, the hollow part in the middle can generate certain elastic deformation to reduce the size, so that the charging isolation loop can be conveniently accessed, and after the charging isolation loop is accessed, the hollow part in the middle can restore deformation to increase the size, so that connection is realized; the flexible insulating sheath 1 is further coated outside the nylon polymer resistor body 2, and the flexible insulating sheath 1 is used for protecting the nylon polymer resistor body 2 and has a certain insulating and isolating function; two ends of the flexible insulating sheath 1 are hooped with the split ring-shaped clamping structure 31 of the self-tensioning electric connection joint 3, and the flexible insulating sheath 1 is positioned outside a part of the split ring-shaped clamping structure 31.
The nylon polymer resistor body 2 can be made of a resistor body produced by new materials ltd, and the resistivity of the resistor body can be customized by adjusting the doping concentration of a conductive material (such as carbon powder or silver powder) in a nylon polymer according to the use requirement.
Claims (6)
1. A physical resistor, characterized by: the resistor body comprises a nylon polymer resistor body (2) internally doped with a conductive material; two ends of the nylon polymer resistor body (2) are connected with electric connection joints (3); the flexible insulating sheath (1) is coated outside the nylon polymer resistor body (2).
2. The physical resistor of claim 1, wherein: the electric connection joint (3) is a self-tensioning electric connection joint, one end of the electric connection joint is of an open ring-shaped clamping structure and is used for being connected with the nylon polymer resistor body; the other end is a self-tensioning quick-plug structure and is used for being connected into a charging isolation loop.
3. The physical resistor of claim 2, wherein: two ends of the flexible insulating sheath (1) are hooped with the split ring-shaped clamping structure of the electric connection joint (3), and the flexible insulating sheath (1) is positioned outside the split ring-shaped clamping structure.
4. A physical resistor according to claim 1, 2 or 3, characterized in that: the conductive material is carbon powder or silver powder.
5. The physical resistor of claim 4, wherein: the nylon polymer resistor body (2) is strip-shaped.
6. A physical resistor according to claim 1, 2 or 3, characterized in that: the nylon polymer resistor body (2) is produced by Zhejiang Lingzhi New Material Co.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182182.3U CN210378643U (en) | 2019-07-25 | 2019-07-25 | Solid resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182182.3U CN210378643U (en) | 2019-07-25 | 2019-07-25 | Solid resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210378643U true CN210378643U (en) | 2020-04-21 |
Family
ID=70246593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921182182.3U Active CN210378643U (en) | 2019-07-25 | 2019-07-25 | Solid resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210378643U (en) |
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2019
- 2019-07-25 CN CN201921182182.3U patent/CN210378643U/en active Active
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