CN218995646U - Calibration fixture for matching injection current probes of different sizes - Google Patents
Calibration fixture for matching injection current probes of different sizes Download PDFInfo
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- CN218995646U CN218995646U CN202222909043.4U CN202222909043U CN218995646U CN 218995646 U CN218995646 U CN 218995646U CN 202222909043 U CN202222909043 U CN 202222909043U CN 218995646 U CN218995646 U CN 218995646U
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Abstract
The utility model relates to a calibration fixture for matching injection current probes of different sizes, comprising a bottom plate; the left side plate and the right side plate are horizontally arranged on the upper end surface of the bottom plate in a sliding manner along the left-right direction; the two ends of the supporting conductor are respectively arranged on the left side plate and the right side plate and are respectively used for installing two N-type connectors on the outer side, the middle part of the supporting conductor is positioned between the left side plate and the right side plate, an insulating sleeve is sleeved on the outer side of the supporting conductor, the insulating sleeve is used for supporting the current probe, and the supporting conductor is of a telescopic structure; the top plate is used for fixing the left side plate and the right side plate, and the left side plate and the right side plate are connected with the top plate after sliding to a preset position; the clamp can be used for clamping probes of various sizes and is used for detecting current probes, so that the problem that each probe needs a specific clamp is solved, manpower, material resources and financial resources are saved, and the clamp is simple and convenient to use.
Description
Technical Field
The utility model relates to the technical field of current probe calibration, in particular to a calibration fixture for matching injection current probes with different sizes.
Background
The function of the injection current probe calibration fixture is to calibrate the performance of the probe, and is a part of the test equipment, the external structure of the calibration fixture is regulated in the appendix A of the national standard GB/T33014.4-2016 high current injection method, the calibration fixture consists of an inner support conductor and an outer conductor, the outer conductor consists of a bottom support plate, a left vertical plate, a right vertical plate and an upper cover plate, the inner support conductor penetrates through the center of a coupling window of the injection probe and is connected with the left vertical plate and the right vertical plate, and the left end and the right end of the fixture are connected with N connectors; however, the standard does not give specific dimensional requirements for the calibration jig, only that the jig dimensions need to be matched to the dimensions of the injection current clamp used.
Because each injection probe needs to be matched with one calibration fixture, the operation is complicated, each probe needs to be calibrated, the corresponding calibration fixture needs to be found, a plurality of probes need a plurality of fixtures, and manpower and material resources are consumed during the calibration.
Disclosure of Invention
The utility model provides a calibration fixture for matching injection current probes with different sizes, which can be used for testing different current probes, and saves manpower, material resources and financial resources.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a calibration fixture for matching different sizes of injection current probes, comprising a base plate; a left side plate and a right side plate which are horizontally arranged on the upper end surface of the bottom plate in a sliding manner along the left-right direction;
the two ends of the supporting conductor are respectively arranged on the left side plate and the right side plate and are respectively used for installing two N-type connectors on the outer side, the middle part of the supporting conductor is positioned between the left side plate and the right side plate, an insulating sleeve is sleeved on the outer side of the supporting conductor, the insulating sleeve is used for supporting a current probe, and the supporting conductor is of a telescopic structure;
and a top plate for fixing the left side plate and the right side plate, and connecting the left side plate and the right side plate to the top plate after the left side plate and the right side plate slide to a predetermined position.
Preferably, the left side plate includes a left T-shaped protruding block disposed at a lower end thereof, a left T-shaped chute is disposed on an upper end surface of the bottom plate along a left-right direction, the left T-shaped protruding block is slidably disposed in the left T-shaped chute, and the left T-shaped chute extends to a left end surface of the bottom plate.
Preferably, the right side plate includes a right T-shaped protruding block disposed at a lower end thereof, a right T-shaped chute is disposed on an upper end surface of the bottom plate along a left-right direction, the right T-shaped protruding block is slidably disposed in the right T-shaped chute, and the right T-shaped chute extends rightward onto a right end surface of the bottom plate.
Preferably, the left part of the top plate is provided with a plurality of left mounting holes along the left-right direction, the upper end surface of the left side plate is correspondingly provided with a left thread groove, and the top plate and the left side plate are connected together through bolts;
a plurality of right mounting holes are formed in the right portion of the top plate in the left-right direction, right thread grooves are formed in the upper end face of the right side plate, and the top plate and the right side plate are connected through bolts.
Preferably, the left mounting holes are one group, the left part of the top plate is provided with a plurality of groups along the front-back direction, and the left thread grooves are correspondingly provided with a plurality of groups and are uniformly arranged on the upper end surface of the left side plate along the front-back direction;
the right mounting holes are a group, the right part of the top plate is provided with a plurality of groups along the front-back direction, and the right thread grooves are correspondingly provided with a plurality of groups and are uniformly arranged on the upper end surface of the right side plate along the front-back direction.
Preferably, the support conductor comprises a left mounting seat, an inner conduit and a right mounting seat; the left mounting seat is arranged on the left side plate, the left end of the left mounting seat is used for mounting a left N-type connector, the right mounting seat is arranged on the right side plate, and the right end of the right mounting seat is used for mounting a right N-type connector;
the inner conduit is positioned between the left side plate and the right side plate, the insulating sleeve is sleeved outside the inner conduit, the right end of the left mounting seat is connected with the left end part of the inner conduit, the right mounting seat is connected with the right end part of the inner conduit, and the inner conduit is a telescopic pipe.
Preferably, the left mounting seat comprises a left flange and a left connecting conduit, the left flange is connected to the left side plate, the left connecting conduit is connected to the left flange, the left end of the left connecting conduit is used for mounting a left N-type connector, and the right end of the left connecting conduit is inserted into the left end of the inner conduit, and is coaxial and matched with the left end of the inner conduit in size.
Preferably, the left flange is provided with a left protruding portion, the left side plate is provided with a first mounting hole, and the left protruding portion is mounted in the first mounting hole and the left protruding portion are matched in size.
Preferably, the right mounting seat comprises a right flange and a right connecting conduit, the right flange is connected to the right side plate, the right connecting conduit is connected to the right flange, the right end of the right connecting conduit is used for mounting a left N-type connector, and the left end of the right connecting conduit is inserted into the right end of the inner conduit, and the right connecting conduit are coaxial and have matched sizes.
Preferably, the right flange is provided with a right protruding portion, the right side plate is provided with a second mounting hole, and the right protruding portion is mounted in the second mounting hole and the two dimensions are matched.
Compared with the prior art, the utility model has the beneficial effects that:
the left side board and the right side board can all slide horizontally along the left and right directions at the upper end face of the bottom plate, so that the left side board and the right side board can be mutually close to or far away from each other, and meanwhile, the supporting conductor can be shortened and lengthened along with the mutual approaching or separating of the left side board and the right side board, so that the distance between the left side board and the right side board can be adjusted according to the size of a current probe to be detected, the size of the current probe to be detected is matched, after the distance between the left side board and the right side board is adjusted, the current probe is sleeved outside an insulating sleeve, then the left side board and the right side board are fixed through a top board, namely, the current probe is fixed on a clamp.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall cross-sectional view of an embodiment of the present utility model;
fig. 2 is an overall view of an embodiment of the present utility model.
Reference numerals illustrate:
1. a bottom plate; 11. left T-shaped chute; 12. a right T-shaped chute; 2. a left side plate; 21. left T-shaped protruding block; 22. a left thread groove; 3. a right side plate; 31. right T-shaped protruding blocks; 32. a right thread groove; 4. a top plate; 41. a left mounting hole; 42. a right mounting hole; 5. a left mounting seat; 51. a left flange; 52. a left connecting conduit; 53. a left protruding portion; 54. a left connecting plate; 6. an inner catheter; 7. a right mounting seat; 71. a right flange; 72. a right connecting conduit; 73. a right protruding portion; 74. a right connecting plate; 8. an insulating sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-2, the embodiment of the utility model provides a calibration fixture for matching injection current probes with different sizes, which comprises a bottom plate 1, a left side plate 2, a right side plate 3, a supporting conductor and a top plate 4, wherein the bottom plate 1 is used for supporting the left side plate 2 and the right side plate 3, the left side plate 2 and the right side plate 3 are horizontally arranged on the upper end surface of the bottom plate 1 in a sliding manner along the left-right direction, and the left side plate 2 and the right side plate 3 can be mutually close to and far away from each other through manual adjustment so as to adapt to the size of the current probe to be detected; the two ends of the supporting conductor are respectively arranged on the left side plate 2 and the right side plate 3 and are respectively used for installing two N-type connectors on the outer side, the middle part of the supporting conductor is positioned between the left side plate 2 and the right side plate 3, an insulating sleeve 8 is sleeved on the outer side, the insulating sleeve 8 is used for supporting a current probe, the supporting conductor is of a telescopic structure, and the supporting conductor contracts or stretches when the left side plate 2 and the right side plate 3 are close to or far from each other, so that the supporting conductor is suitable for adjusting the left side plate 2 and the right side plate 3; the top plate 4 is used for fixing the left side plate 2 and the right side plate 3, and after the left side plate 2 and the right side plate 3 slide to a preset position, the top plate 4 is connected with the top plate to fix the positions of the left side plate 2 and the right side plate 3; the bottom plate 1, the left side plate 2, the right side plate 3 and the top plate 4 form the whole outer conductor, and can guide flow to the ground.
Specifically, when in use, firstly, the distance between the left side plate 2 and the right side plate 3 is adjusted according to the size of a current probe to be detected, then, the distance between the left side plate 2 and the right side plate 3 is adjusted, after the distance between the left side plate 2 and the right side plate 3 is determined, the current probe is sleeved outside the insulating sleeve 8, then, the top plate 4 is used for connecting the top plate 4, the left side plate 2 and the right side plate 3 together, so that the positions of the left side plate 2 and the right side plate 3 are fixed, the current probe is not moved, namely, the current probe is fixed on a clamp, and then, the corresponding equipment is connected for detection, so that the use is simple; the current probes to be detected with different sizes are adapted by adjusting the distance between the left side plate 2 and the right side plate 3, so that the current probes with various sizes can be clamped by a clamp formed by the bottom plate 1, the left side plate 2, the right side plate 3, the supporting conductor and the top plate 4 for detection of the current probes, the problem that each probe needs a specific clamp is solved, and manpower, material resources and financial resources are saved.
Preferably, the left side plate 2 includes that the lower extreme is provided with left T type protruding piece 21, and left T type spout 11 has been seted up along left and right directions to bottom plate 1 up end, and left T type protruding piece 21 slides and locates in the left T type spout 11 to left side plate 2 can be stable slide on bottom plate 1, and left T type spout 11 extends to the left on the bottom plate 1 left end face, and when the installation, left side plate 2 only need install from the outside of bottom plate 1 and get into in the left T type spout 11, dismantles promptly and installs also more convenient.
Preferably, the right side plate 3 includes that the lower extreme is provided with right T type protruding piece 31, and right T type spout 12 has been seted up along left and right directions to bottom plate 1 up end, and right T type protruding piece 31 slides and locates in the right T type spout 12 to right side plate 3 can be stable slide on bottom plate 1, and right T type spout 12 extends to on the bottom plate 1 right-hand member face, and when the installation, right side plate 3 only need install from the outside of bottom plate 1 and get into in the right T type spout 12, dismantles promptly and installs also more convenient.
Specifically, the left side plate 2 is slidably disposed in the left T-shaped chute 11 through the left T-shaped protruding block 21, and the right side plate 3 is slidably disposed in the right T-shaped chute 12 through the right T-shaped protruding block 31, so that the left side plate 2 and the right side plate 3 can be stably slid according to the size of the current probe to be detected, and the distance between the left side plate 2 and the right side plate 3 is matched with the size of the current probe to be detected.
Specifically, the left T-shaped chute 11 and the right T-shaped chute 12 may be through grooves, that is, the bottoms of the left T-shaped chute 11 and the right T-shaped chute 12 are located on the lower end surface of the bottom plate 1.
Preferably, a plurality of left mounting holes 41 are formed in the left portion of the top plate 4 along the left-right direction, left thread grooves 22 are correspondingly formed in the upper end face of the left side plate 2, the top plate 4 and the left side plate 2 are connected together through bolts, the plurality of left mounting holes 41 are used for fixing the sliding positions of the left side plate 2, and when the left side plate 2 slides to the corresponding left mounting holes 41, the top plate 4 and the left side plate 2 are connected together through bolts, so that the position of the left side plate 2 is fixed, and the left side plate 2 is simple in structure and convenient to use.
The right part of the top plate 4 is provided with a plurality of right mounting holes 42 along the left-right direction, the upper end face of the right side plate 3 is provided with a right thread groove 32, the top plate 4 and the right side plate 3 are connected together through bolts, the plurality of right mounting holes 42 are used for fixing the sliding positions of the right side plate 3, when the right side plate 3 slides to the corresponding right mounting holes 42, the top plate 4 and the left side plate 3 are connected together through bolts, so that the position of the right side plate 3 is fixed, and the device is simple in structure and convenient to use.
Preferably, the left mounting holes 41 are a set, the left part of the top plate 4 is provided with a plurality of groups along the front-rear direction, the left thread grooves 22 are correspondingly provided with a plurality of groups, the left side plate 2 upper end face is uniformly arranged along the front-rear direction, each time the left mounting plate is fixed with the top plate 4, each time the left mounting plate is fixed by a plurality of bolts, each bolt passes through the corresponding left mounting hole 41 and is installed in the corresponding left thread groove 22, so that the fixation of the top plate 4 and the left side plate 2 is more stable.
The right mounting holes 42 are a set of, and roof 4 right part is equipped with the multiunit along the fore-and-aft direction, and right thread groove 32 corresponds to be equipped with a plurality ofly to evenly locate right side board 3 up end along the fore-and-aft direction, each time left mounting panel is fixed with roof 4, all through a plurality of bolts, and each bolt passes corresponding right mounting hole 42 and installs in corresponding right thread groove 32, thereby makes roof 4 and the fixed more stable of right side board 3.
Preferably, the support conductors comprise a left mount 5, an inner conduit 6 and a right mount 7; the left mounting seat 5 is arranged on the left side plate 2, the left end of the left mounting seat 5 is used for mounting a left N-type connector, the right mounting seat 7 is arranged on the right side plate 3, the right end of the right mounting seat 7 is used for mounting a right N-type connector, specifically, the left mounting seat 5 is mounted on the left end face of the left side plate 2 through a bolt, and the right mounting seat 7 is mounted on the right end face of the right side plate 3 through a bolt; the inner conduit 6 is positioned between the left side plate 2 and the right side plate 3, the insulating sleeve 8 is sleeved outside the inner conduit 6, the right end of the left mounting seat 5 penetrates through the left side plate 2 to be connected with the left end part of the inner conduit 6, and the right mounting seat 7 penetrates through the right side plate 3 to be connected with the right end part of the inner conduit 6; the inner conduit 6 is a telescopic pipe, when the distance between the left side plate 2 and the right side plate 3 is increased or decreased, the length of the inner conduit 6 can be increased or decreased, so that the stable connection and conduction between the left mounting seat 5, the right mounting seat 7 and the inner conduit 6 are ensured, the stability of the detection of the current probe is ensured, the length of the inner conduit 6 is larger than the width of the current probe to be detected after the current probe to be detected is generally mounted on the insulating sleeve 8, namely, the two ends of the inner conduit 6 are positioned on the outer side of the current probe to be detected, and the stability of the detection of the current probe is ensured.
Preferably, the left mounting seat 5 comprises a left flange 51 and a left connecting conduit 52, the left flange 51 is connected to the left side plate 2, the left connecting conduit 52 is connected to the left flange 51, the left end of the left connecting conduit 52 is used for mounting a left N-type connector, the left flange 51 is specifically connected to the left end face of the left side plate 2 through bolts, a left connecting plate 54 is sleeved on the left part of the left connecting conduit 52, the left connecting plate 54 is fixed to the left end face of the left flange 51 through bolts, the right end of the left connecting conduit 52 penetrates through the left flange 51 and is inserted into the left end part of the inner conduit 6, the left connecting conduit and the left connecting conduit are coaxial and are matched in size, specifically, the left connecting conduit and the left connecting conduit are in interference connection, and therefore connection and conduction of the left connecting conduit and the left connecting conduit are guaranteed.
Preferably, the left flange 51 is provided with a left protruding portion 53, the left side plate 2 is provided with a first mounting hole, the left protruding portion 53 is mounted in the first mounting hole, and the two dimensions are matched, specifically, the two dimensions are in clearance fit, so that the left protruding portion 53 fills the first mounting hole completely, and the strength of the left side plate 2 is ensured.
Preferably, the right mounting seat 7 comprises a right flange 71 and a right connecting duct 72, the right flange 71 is connected to the right side plate 3, the right connecting duct 72 is connected to the right flange 71, the right end of the right connecting duct 72 is used for mounting the left N-type connector, specifically, the right flange 71 is connected to the left end face of the right side plate 3 through bolts, the right part of the right connecting duct 72 is sleeved with a right connecting plate 74, the right connecting plate 74 is fixed to the left end face of the right flange 71 through bolts, the left end of the right connecting duct 72 penetrates through the right flange 71 and is inserted into the right end part of the inner duct 6, the right connecting duct 72 is coaxial, the right connecting duct and the right connecting duct are matched in size, specifically, the right connecting duct and the right connecting duct are in interference connection, and connection between the right connecting duct and the left end of the right connecting duct are guaranteed.
Preferably, the right flange 71 is provided with a right protruding portion 73, the right side plate 3 is provided with a second mounting hole, the right protruding portion 73 is mounted in the second mounting hole, and the two dimensions are matched, specifically, the two dimensions are in clearance fit, so that the right protruding portion 73 fills the second mounting hole completely, and the strength of the right side plate 3 is ensured.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. A calibration fixture for matching differently sized injection current probes, comprising: a bottom plate; the left side plate and the right side plate are horizontally arranged on the upper end surface of the bottom plate in a sliding manner along the left-right direction;
the two ends of the supporting conductor are respectively arranged on the left side plate and the right side plate and are respectively used for installing two N-type connectors on the outer side, the middle part of the supporting conductor is positioned between the left side plate and the right side plate, an insulating sleeve is sleeved on the outer side of the supporting conductor, the insulating sleeve is used for supporting a current probe, and the supporting conductor is of a telescopic structure;
the top plate is used for fixing the left side plate and the right side plate, and the left side plate and the right side plate are connected with the top plate after sliding to a preset position.
2. The calibration jig of claim 1, wherein the left side plate comprises a left T-shaped protruding block provided at a lower end thereof, a left T-shaped chute is provided on an upper end surface of the bottom plate in a left-right direction, the left T-shaped protruding block is slidably provided in the left T-shaped chute, and the left T-shaped chute extends leftwards onto the left end surface of the bottom plate.
3. The calibration jig of claim 1, wherein the right side plate comprises a right T-shaped protruding block provided at a lower end thereof, a right T-shaped chute is provided on an upper end surface of the bottom plate in a left-right direction, the right T-shaped protruding block is slidably provided in the right T-shaped chute, and the right T-shaped chute extends rightward onto the right end surface of the bottom plate.
4. The calibration fixture of claim 1, wherein a plurality of left mounting holes are formed in the left portion of the top plate in the left-right direction, left thread grooves are correspondingly formed in the upper end face of the left side plate, and the top plate and the left side plate are connected together through bolts;
the right side of the top plate is provided with a plurality of right mounting holes along the left-right direction, the upper end surface of the right side plate is provided with a right thread groove, and the top plate and the right side plate are connected together through bolts.
5. The calibration jig according to claim 4, wherein a plurality of the left mounting holes are provided in a group, the left portion of the top plate is provided with a plurality of groups in the front-rear direction, and the left thread grooves are provided in a plurality correspondingly and are provided uniformly in the front-rear direction on the upper end face of the left side plate;
the right mounting holes are a group, a plurality of groups are arranged on the right part of the top plate along the front-back direction, and the right thread grooves are correspondingly arranged in a plurality of groups and are uniformly arranged on the upper end face of the right side plate along the front-back direction.
6. The calibration jig of claim 1, wherein the support conductor comprises a left mount, an inner conduit, and a right mount; the left mounting seat is arranged on the left side plate, the left end of the left mounting seat is used for mounting a left N-type connector, the right mounting seat is arranged on the right side plate, and the right end of the right mounting seat is used for mounting a right N-type connector;
the inner guide pipe is positioned between the left side plate and the right side plate, the insulating sleeve is sleeved outside the inner guide pipe, the right end of the left mounting seat is connected with the left end part of the inner guide pipe, the right mounting seat is connected with the right end part of the inner guide pipe, and the inner guide pipe is a telescopic pipe.
7. The calibration jig of claim 6, wherein the left mount comprises a left flange and a left connecting conduit, the left flange is connected to the left side plate, the left connecting conduit is connected to the left flange, the left end of the left connecting conduit is used for mounting a left N-type connector, and the right end of the left connecting conduit is inserted into the left end of the inner conduit, and is coaxial and the two dimensions are matched.
8. The alignment jig of claim 7, wherein the left flange is provided with a left boss, the left side plate is provided with a first mounting hole, and the left boss is mounted in the first mounting hole in a size matching the two.
9. The calibration jig of claim 6, wherein the right mount comprises a right flange and a right connecting conduit, the right flange being connected to the right side plate, the right connecting conduit being connected to the right flange, the right end of the right connecting conduit being configured to mount a left N-type connector, the left end of the right connecting conduit being inserted into the right end of the inner conduit, the right connecting conduit being coaxial and sized to match the right flange.
10. The alignment fixture of claim 9, wherein the right flange is provided with a right boss, the right side plate is provided with a second mounting hole, and the right boss is mounted in the second mounting hole in a size matching the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222909043.4U CN218995646U (en) | 2022-10-31 | 2022-10-31 | Calibration fixture for matching injection current probes of different sizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222909043.4U CN218995646U (en) | 2022-10-31 | 2022-10-31 | Calibration fixture for matching injection current probes of different sizes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218995646U true CN218995646U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222909043.4U Active CN218995646U (en) | 2022-10-31 | 2022-10-31 | Calibration fixture for matching injection current probes of different sizes |
Country Status (1)
| Country | Link |
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| CN (1) | CN218995646U (en) |
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2022
- 2022-10-31 CN CN202222909043.4U patent/CN218995646U/en active Active
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