CN217084778U - Device for detecting resistivity of conductive composite medium particles - Google Patents
Device for detecting resistivity of conductive composite medium particles Download PDFInfo
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- CN217084778U CN217084778U CN202220252775.8U CN202220252775U CN217084778U CN 217084778 U CN217084778 U CN 217084778U CN 202220252775 U CN202220252775 U CN 202220252775U CN 217084778 U CN217084778 U CN 217084778U
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- 238000000465 moulding Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
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Abstract
The utility model belongs to the technical field of electric power, in particular to a device for detecting the resistivity of conductive composite medium particles, which is provided with a first cover body, a second cover body, a first plug cylinder body, a second plug cylinder body, a first electrode, a second electrode, a forming device and a detection module; the device is characterized by also comprising a pressure plate, a pressure sensor, a sensor display module, a compression motor and a push rod, wherein the forming device is of a hollow columnar structure. The utility model discloses following main beneficial technological effect has: the device is simple and easy to manufacture, the sample preparation speed is higher, the applicability is wider, and the inspection result is more accurate.
Description
Technical Field
The utility model belongs to the technical field of electric power, especially, relate to a device for detecting conductivity type composite medium particle resistivity.
Background
In recent years, a large amount of non-metallic conductive materials using conductive graphite and conductive carbon black as a matrix are applied, so that the prepared grounding materials such as graphite composite grounding materials, powder resistance reducing agents, grounding modules and the like are applied to various fields of power systems in a large area, and the problems of material selection and corrosion resistance in the grounding field of the power systems are solved to a certain extent. Actual electric power engineering finds that: different from a metal conductor with a fixed size, the powder composite medium particles cannot be shaped in form, and often contain air gaps, so that sample shaping equipment and a sample resistivity accurate measurement method are not needed when the resistivity of the powder composite medium particles is measured, and the electrical parameter measurement of a powder conductive medium cannot be performed according to a conventional measurement method, so that the preparation and detection work of the non-metal grounding material meets a larger technical bottleneck. Meanwhile, when the power department carries out resistivity measurement of soil media, a static pressure forming and resistivity measuring device for soil particles is also lacked. Therefore, the resistivity measuring device for the composite dielectric particles for electric grounding is developed, the detection process integrating the compression molding of the sample and the resistivity measurement is realized, a convenient and universal measuring method can be provided for the electrical parameter measurement of the composite dielectric particles, and the resistivity measuring device has high practical value and market popularization prospect.
The applicant has previously made research and development and filed the name: a conductivity type composite medium particle resistivity detection device, the disclosure number is: the invention of CN113655095A comprises a particle static pressure forming device and an electrical parameter measuring box, wherein, the former functions to realize the compression molding of a sample, and the latter is used for measuring the resistivity of a composite medium; the device is characterized by comprising a rotating arm, a middle shaft, a suspension beam, a threaded bearing, a fixed bearing, a pressing plate, a support, a base and an electrical parameter measuring box. It has the following main beneficial effects: the structure is simple, the assembly and disassembly are flexible, the operation and test process is convenient, the measurement accuracy is high, and the measurement error can be effectively avoided; the application range is wide, but the structure is complex and is not suitable for quick test.
CN207232258U discloses a device for measuring earth and stone composite medium conductivity, which comprises a detection table, wherein wheels are arranged below the detection table, a detection frame is arranged at the top of the detection table, a serial detection box is arranged at the inner side of the detection frame, a parallel detection box is arranged at the inner side of the detection frame, the parallel detection box is positioned below the serial detection box, a controller is arranged at one side of the top of the detection table, and the controller is positioned at one side of the detection frame; the top of the controller is provided with an operating platform; the series detection box comprises a series box body, series conductive insertion pieces are arranged at two ends of the series box body, and a series connection wire holder is inserted on the series conductive insertion pieces. Has the advantages that: the method can detect the resistivity of the soil-rock composite medium, verify the reliability of the soil-rock composite medium resistivity theoretical model under different soil-rock ratios, and simultaneously detect the composition of soil-rock composites at positions and measure the resistivity of the soil-rock composite medium.
CN214335069U discloses a powder resistivity testing arrangement, comprising a base plate, stand and cylindrical shell, two stands are fixed in the both sides of bottom plate, the spout has been seted up on the bottom plate, slidable mounting has the cushion on the spout, cylindrical shell's bottom shutoff has lower plate electrode, cylindrical shell's inside is circular cavity, be fixed with the fixed block on the stand, be connected with the connecting plate between the fixed block on the coexistence post, threaded hole is seted up in the centre of connecting plate, it is connected with the screw rod to pass the screw hole on the connecting plate, the periphery of screw rod is equipped with the screw thread, screw rod and connecting plate threaded connection, the bottom of screw rod is the connector, its powder material voltage drop parameter in cylindrical shell is indefinite and unsettled along with the height of powder post, can measure many times, final data is through the automatic powder material resistivity that obtains of programming control.
CN211741145U discloses a powder resistivity testing arrangement, and the technical problem who solves is that the powder resistance testboard operation is difficult, inefficiency, can not the real-time parameter of providing the voltage, can not reach the comprehensive calculation powder resistivity value. The powder feeding device comprises a base, wherein a powder bin is arranged on the base, linear guide rails are arranged on two sides of the powder bin, a support rod is arranged above the linear guide rails, and a sliding block is arranged in a manner of being matched with the linear guide rails; a counterweight supporting platform is arranged on the sliding block, and a counterweight block is arranged on the counterweight supporting platform; the powder feed bin below be equipped with down the convex closure, the top be equipped with the convex closure, the below of upper convex closure be equipped with depression bar and telescopic link, the lower extreme of telescopic link is equipped with displacement sensor. The method is convenient and simple to operate, the final resistivity can be accurately and quickly obtained, the balance weight on the method is a fixed value, the unfixed property of the pressure parameter in the operation process is reduced, the diameter of the powder bin is fixed, and the data error of the measured diameter is reduced.
However, the above prior arts all have the following drawbacks: (1) or sample preparation and detection cannot be performed simultaneously; (2) or when the samples are prepared at the same time, the sample preparation equipment is complex and the cost is high; (3) the inspection preconditions of the sample pieces are difficult to unify.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses an apparatus for detecting the resistivity of conductive composite dielectric particles, which is implemented by the following technical solutions.
A device for detecting the resistivity of conductive composite dielectric particles is provided with a first cover body, a second cover body, a first plug cylinder, a second plug cylinder, a first electrode, a second electrode, a forming device and a detection module; the device is characterized by also comprising a pressure plate, a pressure sensor, a sensor display module, a compression motor and a push rod, wherein the forming device is of a hollow columnar structure, a first cover body covers one end of the forming device, a first plug cylinder is fixed on the right side surface of the first cover body, the pressure plate is fixed on the right side surface of the first plug cylinder, a first electrode is fixed on the right side surface of the pressure plate, the pressure sensor is fixed on the right side surface of the first electrode, one end of the push rod is fixed on the pressure plate, the other end of the push rod penetrates through the first plug cylinder and the first cover body, the other end of the push rod penetrates through the left side surface of the first cover body and is connected with a crankshaft of the compression motor, the push rod is driven to advance or retreat by the compression motor, the first plug cylinder, the pressure plate, the first electrode and the pressure sensor are all positioned in the forming device, and an outgoing line of the pressure sensor is connected with the sensor display module, a part of an outgoing line of the pressure sensor is positioned in the push rod, the outgoing line of the first electrode is connected with one end of the detection module, a part of the outgoing line of the first electrode is positioned in the push rod, the second cover body covers the other end of the forming device, the second plug cylinder is fixed on the left side surface of the second cover body, the second electrode is fixed on the left side surface of the second plug cylinder, the second plug cylinder and the second electrode are both positioned in the forming device, and the outgoing line of the second electrode is connected with the other end of the detection module.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the forming device is installed on a support, the support is fixed on a platform, the compression motor is fixed on an upright post, and the upright post is fixed on the platform.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the inner cross section of the forming device is circular, triangular, quadrilateral or other figures.
Further, the device for detecting the resistivity of the conductive composite medium particles is characterized in that the inner cross section of the forming device is square or rectangular.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that when the inner cross section of the forming device is circular, the diameter of the forming device is cm-cm, and the length of the forming device is cm-cm.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the compression motor is fixed on the upright post, but can slide back and forth in the groove on the upright post.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the diameter of the pressure plate is not larger than that of the first plug cylinder.
The device for detecting the resistivity of the conductive composite dielectric particles is characterized in that the first electrode and the second electrode are both thin metal sheets.
The device for detecting the resistivity of the conductive composite dielectric particles is characterized in that the metal sheet is made of copper or aluminum or silver.
The device for detecting the resistivity of the conductive composite dielectric particles is characterized in that the detection module is an electronic multimeter or a micro-ohm meter or a commercially available device capable of simultaneously detecting voltage and current.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the forming device is transparent.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that scale marks are printed on the surface of the forming device.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the type of the micro-ohm meter is as follows: DMR-5 or DMR-8 or DMR-10.
The utility model discloses following main beneficial technological effect has: the device is simple and easy to manufacture, the sample preparation speed is higher, the applicability is wider, and the inspection result is more accurate.
Drawings
Fig. 1 is a schematic block diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic block diagram of embodiment 2 of the present invention.
In the figure: 1-forming device, 21-first lid, 22-second lid, 23-first stopper cylinder, 24-second stopper cylinder, 25-pressure plate, 26-first electrode, 27-second electrode, 31-pressure sensor, 32-sensor display module, 4-compression motor, 5-push rod, 6-support, 41-stand, 7-platform, 8-detection module.
Detailed Description
Examples 1
Referring to fig. 1, an apparatus for detecting resistivity of conductive composite dielectric particles includes a first cap 21, a second cap 22, a first plug 23, a second plug 24, a first electrode 26, a second electrode 27, a forming device 1, and a detection module 8; the device is characterized by further comprising a pressure plate 25, a pressure sensor 31, a sensor display module 32, a compression motor 4 and a push rod 5, wherein the forming device 1 is of a hollow columnar structure, the first cover body 21 covers one end of the forming device 1, the first plug cylinder 23 is fixed on the right side surface of the first cover body 21, the pressure plate 25 is fixed on the right side surface of the first plug cylinder 23, the first electrode 26 is fixed on the right side surface of the pressure plate 25, the pressure sensor 31 is fixed on the right side surface of the first electrode 26, one end of the push rod 5 is fixed on the pressure plate 25, the other end of the push rod 5 passes through the first plug cylinder 23 and the first cover body 21, the other end of the push rod 5 passes through the left side surface of the first cover body 21 and is connected with a crankshaft of the compression motor 4, the compression motor 4 enables the push rod 5 to advance or retreat, the first plug cylinder 23, the pressure plate 25, the first electrode 26 and the pressure sensor 31 are all positioned in the forming device 1, the leading line of the pressure sensor 31 is connected with the sensor display module 32, a part of the leading line of the pressure sensor 31 is positioned in the push rod 5, the leading line of the first electrode 26 is connected with one end of the detection module 8, a part of the leading line of the first electrode 26 is positioned in the push rod 5, the second cover body 22 covers the other end of the forming device 1, the second plug cylinder 24 is fixed on the left side surface of the second cover body 22, the second electrode 27 is fixed on the left side surface of the second plug cylinder 24, the second plug cylinder 24 and the second electrode 27 are both positioned in the forming device 1, and the leading line of the second electrode 27 is connected with the other end of the detection module 8.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the forming device 1 is installed on a support 6, the support 6 is fixed on a platform 7, the compression motor 4 is fixed on an upright post 41, and the upright post 41 is fixed on the platform 7.
Example 2
Referring to fig. 2, an apparatus for detecting resistivity of conductive composite dielectric particles includes a first cap 21, a second cap 22, a first plug 23, a second plug 24, a first electrode 26, a second electrode 27, a forming device 1, and a detection module 8; the device is characterized by further comprising a pressure plate 25, a pressure sensor 31, a sensor display module 32, a compression motor 4 and a push rod 5, wherein the forming device 1 is of a hollow columnar structure, the first cover body 21 covers one end of the forming device 1, the first plug cylinder 23 is fixed on the right side surface of the first cover body 21, the pressure plate 25 is fixed on the right side surface of the first plug cylinder 23, the first electrode 26 is fixed on the right side surface of the pressure plate 25, the pressure sensor 31 is fixed on the right side surface of the first electrode 26, one end of the push rod 5 is fixed on the pressure plate 25, the other end of the push rod 5 passes through the first plug cylinder 23 and the first cover body 21, the other end of the push rod 5 passes through the left side surface of the first cover body 21 and is connected with a crankshaft of the compression motor 4, the compression motor 4 enables the push rod 5 to advance or retreat, the first plug cylinder 23, the pressure plate 25, the first electrode 26 and the pressure sensor 31 are all positioned in the forming device 1, an outgoing line of the pressure sensor 31 is connected with the sensor display module 32, an output end of the sensor display module 32 is connected with a pressure input end of the detection module 8, a part of the outgoing line of the pressure sensor 31 is positioned in the push rod 5, an outgoing line of the first electrode 26 is connected with one end of the detection module 8, a part of the outgoing line of the first electrode 26 is positioned in the push rod 5, the second cover body 22 covers the other end of the forming device 1, the second plug cylinder 24 is fixed on the left side surface of the second cover body 22, the second electrode 27 is fixed on the left side surface of the second plug cylinder 24, the second plug cylinder 24 and the second electrode 27 are both positioned in the forming device 1, and the outgoing line of the second electrode 27 is connected with the other end of the detection module 8.
The device for detecting the resistivity of the conductive composite medium particles in any embodiment is characterized in that the inner cross section of the forming device 1 is circular, triangular, quadrilateral or other patterns.
Further, the device for detecting the resistivity of the conductive composite dielectric particles is characterized in that the inner cross section of the forming device 1 is square or rectangular.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that when the inner cross section of the forming device 1 is circular, the diameter of the forming device is 1 cm-3 cm, and the length of the forming device is 10 cm-25 cm.
In the device for detecting the resistivity of the conductive composite medium particles according to any one of the above embodiments, although the compression motor 4 is fixed on the upright 41, it can slide back and forth in the groove on the upright 41.
The device for detecting the resistivity of the conductive composite medium particles in any one of the above embodiments is characterized in that the diameter of the pressure plate 25 is not larger than that of the first plug body 23.
An apparatus for detecting resistivity of conductive composite dielectric particles according to any of the above embodiments is characterized in that the first electrode 26 and the second electrode 27 are both thin metal sheets.
The device for detecting the resistivity of the conductive composite dielectric particles is characterized in that the metal sheet is made of copper or aluminum or silver.
The device for detecting the resistivity of the conductive composite dielectric particles is characterized in that the detection module 8 is an electronic multimeter or a micro-ohm meter or a commercially available device capable of simultaneously detecting voltage and current.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the forming device is transparent.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that scale marks are printed on the surface of the forming device.
The device for detecting the resistivity of the conductive composite medium particles is characterized in that the type of the micro-ohm meter is as follows: DMR-5 or DMR-8 or DMR-10.
In the present application, the first cover 21, the first plug body 23, the pressing plate 25, the first electrode 26, the pressure sensor 31, and the push rod 5 are integrated, and may be referred to as a left body.
The second cap 22, the second plug body 24, and the second electrode 27 are integrated into a single body, which may be referred to as a right body.
The application method comprises the following steps: firstly, putting the conductive composite medium particles into the forming device 1, plugging a left body at the left side of the forming device 1, plugging a plug cylinder 23, a pressing plate 25, a first electrode 26 and a pressure sensor 31 into the left inner part of the forming device 1, positioning a first cover body 21 at the left outer part of the forming device 1, and sealing the left body and the inner part of the forming device 1; then, the right body is inserted from the right side of the molding device 1, the second plunger body 24 and the second electrode 27 are positioned inside the molding device 1, the second cover body 22 is positioned inside and outside the molding device 1, and the right body and the inside of the molding device 1 are sealed; then, the compression motor 4 is started, the push rod 5 pushes the first plug body 23, the pressure plate 25, the first electrode 26 and the pressure sensor 31 to move towards the right side, the pressure value of the sensor display module 32 is observed in a real-time manner, the compression motor 4 is closed when a preset value is reached, and pushing is stopped, so that the conductive composite medium particles are compacted basically and uniformly, in the implementation example 2, the conductive composite medium particles can be stopped when the preset value is reached, at the moment, the indication value of the detection module 8 is recorded, calculation can be carried out, in addition, automatic calculation can be carried out after automatic reading, and the detection of the resistivity of the conductive composite medium particles is completed.
In the application, the main principle is that the resistivity = the resistance of the measured body × the cross-sectional area of the measured body ÷ the length of the measured body, the cross-sectional area of the forming device is the cross-sectional area of the measured body, the length of the measured body is the length after compaction, and the length can be obtained through measurement, or scales can be printed on the surface of the forming device, and the resistance of the measured body can be directly obtained through a detection module by subtracting and reading.
The utility model mainly solves the problems that the measured object can not be compacted and measured accurately at the same time in the prior art, and simultaneously greatly simplifies the equipment, has faster sample preparation speed and increases the applicability; in addition, the detection standards are unified, and the detection objects in the prior art are different in compactness, so that the deviation is quite large.
The utility model discloses following main beneficial technological effect has: the device is simple and easy to manufacture, the sample preparation speed is higher, the applicability is wider, and the inspection result is more accurate.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (9)
1. A device for detecting the resistivity of conductive composite dielectric particles is provided with a first cover body (21), a second cover body (22), a first plug cylinder (23), a second plug cylinder (24), a first electrode (26), a second electrode (27), a forming device (1) and a detection module (8); the device is characterized by further comprising a pressure plate (25), a pressure sensor (31), a sensor display module (32), a compression motor (4) and a push rod (5), wherein the forming device (1) is of a hollow columnar structure, the first cover body (21) covers one end of the forming device (1), the first plug cylinder (23) is fixed on the right side surface of the first cover body (21), the pressure plate (25) is fixed on the right side surface of the first plug cylinder (23), the first electrode (26) is fixed on the right side surface of the pressure plate (25), the pressure sensor (31) is fixed on the right side surface of the first electrode (26), one end of the push rod (5) is fixed on the pressure plate (25), the other end of the push rod (5) penetrates through the first plug cylinder (23) and the first cover body (21), the other end of the push rod (5) penetrates through the left side surface of the first cover body (21) and is connected with a crankshaft of the compression motor (4), the compression motor (4) enables the push rod (5) to advance or retreat, the first plug cylinder (23), the pressure plate (25), the first electrode (26) and the pressure sensor (31) are all located in the forming device (1), an outgoing line of the pressure sensor (31) is connected with the sensor display module (32), a part of the outgoing line of the pressure sensor (31) is located in the push rod (5), the outgoing line of the first electrode (26) is connected with one end of the detection module (8), a part of the outgoing line of the first electrode (26) is located in the push rod (5), the second cover body (22) covers the other end of the forming device (1), the second plug cylinder (24) is fixed on the left side surface of the second cover body (22), the second electrode (27) is fixed on the left side surface of the second plug cylinder (24), the second plug cylinder (24) and the second electrode (27) are both located in the forming device (1), the lead wire of the second electrode (27) is connected with the other end of the detection module (8).
2. The apparatus for detecting resistivity of conductive composite dielectric particles as claimed in claim 1, wherein the output terminal of the sensor display module (32) is connected to the pressure input terminal of the detection module (8).
3. The apparatus for detecting resistivity of conductive composite dielectric particles as claimed in claim 1, wherein the inner cross section of the molding means (1) is circular, triangular or quadrangular.
4. The apparatus according to claim 3, wherein the inner cross section of the molding means (1) is square or rectangular.
5. The apparatus for detecting resistivity of conductive composite dielectric particles as claimed in claim 3, wherein the forming device (1) has a circular inner cross-section, a diameter of 1 cm to 3 cm and a length of 10 cm to 25 cm.
6. The apparatus for detecting resistivity of conductive composite dielectric particles as claimed in claim 1, wherein the diameter of the nip plate (25) is not larger than the diameter of the first plug body (23).
7. The apparatus according to claim 1, wherein the first electrode (26) and the second electrode (27) are both metal sheets.
8. The apparatus according to claim 7, wherein the metal sheet is made of copper, aluminum or silver.
9. The apparatus of claim 1, wherein the molding means is transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252775.8U CN217084778U (en) | 2022-02-08 | 2022-02-08 | Device for detecting resistivity of conductive composite medium particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252775.8U CN217084778U (en) | 2022-02-08 | 2022-02-08 | Device for detecting resistivity of conductive composite medium particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217084778U true CN217084778U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220252775.8U Expired - Fee Related CN217084778U (en) | 2022-02-08 | 2022-02-08 | Device for detecting resistivity of conductive composite medium particles |
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| Country | Link |
|---|---|
| CN (1) | CN217084778U (en) |
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- 2022-02-08 CN CN202220252775.8U patent/CN217084778U/en not_active Expired - Fee Related
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