CN210323196U - Silicon carbide electrothermal element resistance testing device - Google Patents
Silicon carbide electrothermal element resistance testing device Download PDFInfo
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- CN210323196U CN210323196U CN201920408177.3U CN201920408177U CN210323196U CN 210323196 U CN210323196 U CN 210323196U CN 201920408177 U CN201920408177 U CN 201920408177U CN 210323196 U CN210323196 U CN 210323196U
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- silicon carbide
- heating element
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- pressing plate
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Abstract
The utility model discloses a silicon carbide electric heating element resistance testing device, which comprises a resistance detector, a supporting frame, a stepping control device arranged in the middle of the supporting frame, and clamping devices symmetrically arranged on two sides of the stepping control device, wherein the clamping devices are electrically connected with the resistance detector through wires; the clamping device comprises a base, a pressing plate, a connecting piece and a guide rod, wherein the base is detachably arranged above the supporting frame, the pressing plate is arranged right above the base, the connecting piece is used for connecting the base and the pressing plate, and the guide rod is arranged on the same side of the base and the pressing plate. The utility model is used for the measurement of the resistance value of the silicon carbide heating element, the stability of the silicon carbide heating element is increased by fixing the silicon carbide heating element by the clamping device, and the detection numerical value precision is higher; the operating state of the clamping device is controlled by the stepping control device, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to a carborundum check out test set technical field, concretely relates to carborundum electrothermal element resistance test device.
Background
The silicon carbide electric heating element is a nonmetal high-temperature electric heating element which is prepared by processing silicon carbide as a main raw material, preparing a blank, carrying out high-temperature silicification and recrystallizing. Compared with metal electric heating elements, the element has the characteristics of high semiconductor performance and service temperature, oxidation resistance, corrosion resistance, long service life, micro-deformation, convenience in installation and maintenance and the like, so that the element is widely applied to various high-temperature electric furnaces and other electric heating equipment in the industries of ceramics, glass, magnetic materials, metallurgy, machinery and the like.
The resistivity of the semiconductor material is usually measured by adopting instruments such as a direct current potential difference meter, a photoelectric galvanometer, a standard resistor and the like, the resistance values of small-size materials are measured by the measuring methods, the resistance values of large-size semiconductor materials are very troublesome to measure, no relevant measuring device is provided, the silicon carbide electrothermal element is in a cylindrical shape, and the resistance values of the silicon carbide electrothermal element are very difficult to measure.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a carborundum electric heating element resistance test device that practical convenience, stability are high, the test accuracy is high in the testing process to the not enough of prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the resistance testing device for the silicon carbide electrothermal element comprises a resistance detector, a supporting frame, a stepping control device and clamping devices, wherein the stepping control device is arranged in the middle of the supporting frame, the clamping devices are symmetrically arranged on two sides of the stepping control device, and the clamping devices are electrically connected with the resistance detector through conducting wires;
the clamping device comprises a base which is detachably arranged above the supporting frame, a pressing plate which is arranged right above the base, a connecting piece for connecting the base and the pressing plate, and a guide rod which is arranged on the same side of the base and the pressing plate;
the stepping control device comprises a fixed rod connected with the rear end above the pressing plate, a first push rod vertically arranged below the middle part of the fixed rod, and a second push rod fixedly connected with the lower end of the first push rod, wherein the lower end of the second push rod is rotatably connected with a pressing rod vertically arranged with the second push rod, and the front end of the pressing rod is provided with a pedal platform.
Aiming at the technical characteristics, the silicon carbide electrothermal element is placed on the base, the pedal table is stepped downwards by feet, the pedal table drives the pressure rod to move downwards, the pressure rod moves upwards at one end far away from the pedal table so as to drive the second push rod, the first push rod and the fixed rod to move upwards, the rear end of the pressure plate moves upwards under the driving of the fixed rod, and the front end of the pressure plate moves downwards under the action of the guide rod, so that the pressure plate and the base gradually tighten the silicon carbide electrothermal element, the movement of the silicon carbide electrothermal element is avoided, and the measurement accuracy is improved; the clamping degree of the silicon carbide electric heating element is controlled by the working personnel through the pedal platform, so that the silicon carbide electric heating element can be prevented from being clamped and damaged, and the operation is very convenient; the base is detachably arranged on the support frame, and the distance between the two clampers can be adjusted according to the specific length of the silicon carbide electrothermal element so as to adapt to pieces to be tested with various length sizes; the guide rod not only plays a guiding role, but also limits the moving direction of the pressure plate.
Preferably, the connecting piece comprises a connecting rod and a supporting spring sleeved on the connecting rod; the bottom end of the connecting rod is fixed at the rear end of the base, the upper end of the connecting rod penetrates through a mounting hole formed in the pressing plate and is located above the mounting hole, and the supporting spring is located between the base and the pressing plate. The supporting spring has a supporting function and certain elasticity; the connecting rod penetrates out of the pressure plate, so that the pressure plate has a certain telescopic space in the vertical direction; the mounting hole plays horizontal spacing effect, avoids the connecting rod amplitude of oscillation big.
Preferably, the base and the pressure plate are respectively and oppositely provided with a conductive pressing block, and the pressing block is positioned at the front end of the connecting piece; the base and the pressing plate are made of insulating materials. The pressing block is used for being directly contacted with the silicon carbide electric heating element, plays a role in electric conduction and is used for measurement of the silicon carbide heating element.
Preferably, a display screen electrically connected with the resistance detector is arranged on one side of the clamping device. The convenience of the inspector can check the detection value at any time and record conveniently.
Preferably, at least one placing groove is arranged on the contact surface of the pressing block. Can detect a plurality of carborundum heating element simultaneously, improve work efficiency.
Preferably, a placing table is arranged on the outer side of the supporting frame.
Preferably, the diameter of the mounting hole is larger than that of the connecting rod, and a blocking cover is arranged at the top end of the connecting rod. The blocking cover can effectively prevent the connecting rod from coming out of the mounting hole.
Preferably, a sliding groove is formed in the base, and the pressing block is arranged in the sliding groove. The replacement of briquetting of being convenient for.
The utility model has the advantages that:
the utility model is used for the measurement to carborundum heating element resistance value, fixes carborundum heating element through the clamp, makes stability higher in the testing process, and the testing data is more reliable; the stepping control device is used for controlling the working state of the clamping device, and is convenient for the operation of workers and high in controllability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the clamp;
fig. 3 is a schematic structural view of the stepping control device.
In the figure: the device comprises a support frame 1, a pressing plate 2, a connecting piece 3, a guide rod 4, a first push rod 5, a fixed rod 6, a display screen 7, a resistance detector 8, a storage table 9, a support spring 10, a pressing block 11, a sliding groove 12, a second push rod 13, a pressing rod 14, a pedal table 15, a base 16, a blocking cover 17 and a placing groove 18.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-3, a resistance testing device for a silicon carbide electrothermal element comprises a resistance detector 8, a supporting frame 1, a stepping control device arranged in the middle of the supporting frame 1, and clamping devices symmetrically arranged on two sides of the stepping control device, wherein both the clamping devices are electrically connected with the resistance detector 8 through conducting wires; a display screen 7 electrically connected with the resistance detector 8 is arranged on one side of the clamp; an object placing table 9 is arranged on the outer side of the supporting frame 1.
The clamping device comprises an insulating base 16 which is detachably arranged above the supporting frame 1, an insulating pressing plate 2 which is arranged right above the base 16, a connecting piece 3 which is used for connecting the base 16 and the pressing plate 2, and a guide rod 4 which is arranged on the same side of the base 16 and the pressing plate 2; the base 16 and the pressure plate 2 are respectively and oppositely provided with a conductive pressing block 11, the pressing block 11 is positioned at the front end of the connecting piece 3, and the contact surface of the pressing block 11 is provided with at least one placing groove 18.
The connecting piece 3 comprises a connecting rod and a supporting spring 10 sleeved on the connecting rod; the bottom end of the connecting rod is fixed at the rear end of the base 16, the upper end of the connecting rod passes through a mounting hole arranged on the pressure plate 2 and is positioned above the mounting hole, and the supporting spring 10 is positioned between the base 16 and the pressure plate 2; the diameter of mounting hole is greater than the diameter of connecting rod the top of connecting rod is equipped with fender lid 17.
The stepping control device comprises a fixed rod 6 connected with the rear end above the pressing plate 2, a first push rod 5 vertically arranged below the middle part of the fixed rod 6, a second push rod 13 fixedly connected with the lower end of the first push rod 5, a press rod 14 rotatably connected with the lower end of the second push rod 13 and vertically arranged with the second push rod, and a pedal platform 15 arranged at the front end of the press rod 14.
The pressing block 11 may be mounted in the following manner: a sliding groove 12 is arranged on the base 16, and the pressing block 11 is arranged in the sliding groove 12.
In the above embodiment, except that the compact 11 is conductive, the other components are made of insulating materials.
The utility model discloses an operating principle does, according to different batch carborundum heating element's size, distance between two clampers is adjusted, make carborundum electric heating element's both ends be located briquetting 11 respectively, then step on pedal platform 15 downwards with the foot, pedal platform 15 drives depression bar 14 downward sloping motion, depression bar 14 is at the one end upward movement of keeping away from pedal platform 15, thereby drive second push rod 13, first push rod 5 and dead lever 6 upward movement, the rear end upward movement of drive holding down plate 2 at dead lever 6, and the front end of clamp plate 2 is because the effect of guide bar 4 then downward sloping motion, make briquetting 11 and base 16 step up carborundum electric heating element gradually, circular resistance detector 8 detects carborundum electric heating element's resistance, then give display screen 7 with data transmission, the staff takes notes numerical value.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The silicon carbide electrothermal element resistance testing device comprises a resistance detector and is characterized by further comprising a supporting frame, a stepping control device arranged in the middle of the supporting frame and clamping devices symmetrically arranged on two sides of the stepping control device, wherein the clamping devices are electrically connected with the resistance detector through conducting wires;
the clamping device comprises a base which is detachably arranged above the supporting frame, a pressing plate which is arranged right above the base, a connecting piece for connecting the base and the pressing plate, and a guide rod which is arranged on the same side of the base and the pressing plate;
the stepping control device comprises a fixed rod connected with the rear end above the pressing plate, a first push rod vertically arranged below the middle part of the fixed rod, and a second push rod fixedly connected with the lower end of the first push rod, wherein the lower end of the second push rod is rotatably connected with a pressing rod vertically arranged with the second push rod, and the front end of the pressing rod is provided with a pedal platform.
2. The silicon carbide electrical heating element resistance testing device of claim 1, wherein the connection member comprises a connection rod and a support spring sleeved on the connection rod; the bottom end of the connecting rod is fixed at the rear end of the base, the upper end of the connecting rod penetrates through a mounting hole formed in the pressing plate and is located above the mounting hole, and the supporting spring is located between the base and the pressing plate.
3. The silicon carbide electrical heating element resistance testing device of claim 1, wherein conductive compacts are oppositely disposed on the base and the pressure plate, respectively, and the compacts are located at the front end of the connecting member; the base and the pressing plate are made of insulating materials.
4. The silicon carbide electrical heating element resistance testing device according to claim 1, wherein a display screen electrically connected with the resistance detector is arranged on one side of the clamp.
5. A silicon carbide electrical heating element resistance testing device according to claim 3, wherein at least one placement groove is provided on the contact surface of the pressure block.
6. The silicon carbide electrical heating element resistance testing device of claim 1, wherein a placement table is disposed outside the support frame.
7. The silicon carbide electrical heating element resistance testing device of claim 2, wherein the diameter of the mounting hole is larger than the diameter of the connecting rod, and a stop cap is provided at the top end of the connecting rod.
8. A silicon carbide electrical heating element resistance testing device according to claim 5, wherein a sliding groove is provided on the base, and the pressing block is arranged in the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408177.3U CN210323196U (en) | 2019-03-28 | 2019-03-28 | Silicon carbide electrothermal element resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408177.3U CN210323196U (en) | 2019-03-28 | 2019-03-28 | Silicon carbide electrothermal element resistance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210323196U true CN210323196U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920408177.3U Expired - Fee Related CN210323196U (en) | 2019-03-28 | 2019-03-28 | Silicon carbide electrothermal element resistance testing device |
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| Country | Link |
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| CN (1) | CN210323196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227041A (en) * | 2021-12-19 | 2022-03-25 | 新沂市宏祥电子有限公司 | High-efficient welding set of data line |
-
2019
- 2019-03-28 CN CN201920408177.3U patent/CN210323196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227041A (en) * | 2021-12-19 | 2022-03-25 | 新沂市宏祥电子有限公司 | High-efficient welding set of data line |
| CN114227041B (en) * | 2021-12-19 | 2023-02-03 | 新沂市宏祥电子有限公司 | High-efficient welding set of data line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |