CN221174728U - Conductive immunity test platform - Google Patents
Conductive immunity test platform Download PDFInfo
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- CN221174728U CN221174728U CN202323047977.2U CN202323047977U CN221174728U CN 221174728 U CN221174728 U CN 221174728U CN 202323047977 U CN202323047977 U CN 202323047977U CN 221174728 U CN221174728 U CN 221174728U
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 230000036039 immunity Effects 0.000 title claims abstract description 44
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 239000002023 wood Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The utility model discloses a conductive noise immunity testing platform which is characterized by comprising a base, at least two groups of scissor arm support groups arranged on one side of the base, a lifting balance bracket arranged on the other side of the base, lifting tables arranged on the scissor arm support groups and the lifting balance bracket, a grounding flat plate arranged on the lifting tables, a pushing piece positioned between the base and the scissor arm support groups and used for pushing the scissor arm support groups to extend upwards or shorten downwards, and a supporting rod used for connecting the two adjacent scissor arm support groups, wherein the lifting balance bracket is used for balancing the grounding flat plate and providing a certain vibration margin for the grounding flat plate. The utility model fills the blank of an experimental lifting test equipment platform of the large-size conduction immunity equipment, ensures certain vibration redundancy when conducting the immunity test, improves the test accuracy, can realize the continuous adjustment of the height of the test platform, greatly improves the arrangement efficiency of the large-size conduction immunity test of the tested equipment, reduces the workload of carrying the wood table test, and ensures that the test table surface has good stability.
Description
Technical Field
The utility model relates to the field of conductive disturbance degree testing, in particular to a conductive disturbance degree testing platform.
Background
In the process of conducting immunity test, the volume of the large-size tested equipment is relatively large, the distance between the power line socket and the cable and the ground is relatively long, the length of the required cable is long, and the long cable can cause resonance effect to influence the test result. At present, in the process of conducting immunity test, a method for raising the height of test equipment is generally to stack a plurality of wood tables with the height of 400mm and wood boards with the height of 100mm, when particularly high tested equipment is encountered, two or more wood tables are required to be stacked, and the wood tables are very inconvenient to move and carry due to heavier wood tables. On the other hand, in the process of conducting immunity test, the heights of the tested devices are quite different, but the superposition of the wood table and the wood board cannot realize continuous adjustment of the heights, namely, the test requirements of various tested devices cannot be met, so a test platform capable of accurately realizing lifting adjustment of the tested devices in the conducting immunity test is required.
Disclosure of utility model
The utility model aims to overcome at least one defect (deficiency) of the prior art, and provides a conductive immunity test platform, which can fill the blank of an experimental lifting test equipment platform of conductive immunity large-size equipment, can realize continuous adjustment of the height of the test platform, greatly improve the conductive immunity test arrangement efficiency of the large-size tested equipment, reduce the workload of carrying a wood table test, and ensure that the center of gravity of the conductive immunity test platform is close to the center, so that a test table surface has good stability, and can ensure a certain vibration margin when conducting the conductive immunity test, and improve the test accuracy.
The technical scheme adopted by the utility model is as follows:
The utility model provides a conduction immunity test platform, includes the base, locates two at least groups of scissors fork cantilever crane groups of one side on the base, locates the lift balance support of the opposite side on the base, locates the elevating platform on scissors fork cantilever crane group and the lift balance support, locates the ground plane on the elevating platform, is located between base and the scissors fork cantilever crane group and is used for promoting the impeller that scissors fork cantilever crane group upwards lengthens or shortens downwards to and be used for connecting the bracing piece of two adjacent groups scissors fork cantilever crane groups, the lift balance support be used for balanced ground plane board and provide certain vibration redundancy for it. During testing, the scissor arm support group pushes the lifting platform to ascend or descend through the electric push rod motor, so that the continuous adjustment of the height of the testing platform can be realized, the conductive immunity test arrangement efficiency of large-size tested equipment is greatly improved, and the scissor arm support group and the electric push rod motor are made of stainless steel materials, so that the gravity center of the whole platform is close to the center, and the table top is firmer. The base and the lifting platform are made of engineering plastic materials, so that no metal structural part exists on the horizontal plane flush with tested equipment, and the requirement that the tested equipment is at least 500mm away from other metal objects in the conduction immunity test is met while the short cable is ensured. In addition, the lifting balance support supports the grounding plate, and meanwhile the situation that the grounding plate vibrates too much in the testing process to cause inaccuracy of the conduction immunity test is avoided.
Preferably, the lifting balance bracket comprises a balance block connected with the lifting platform, an adjusting spanner for adjusting and fixing, a lifting rod for controlling the height, and a bracket base and a bracket roller arranged at the bottom. The lifting balance support is made of engineering plastic materials, has certain elastic deformation capacity, can firmly support the balance test platform, provides certain vibration redundancy for the lifting balance support, and improves the accuracy of the conduction immunity test.
Further preferably, the balance weight is connected with the lifting platform in a cantilever manner, the lifting rod is fixedly connected with the balance weight above, the lifting rod is fixedly connected with the support base below, the adjusting spanner is sleeved on the upper half part of the lifting rod, and the support roller is fixedly connected under the support base.
Still further preferably, the lifting rod in the lifting balance support consists of a threaded rod and a sleeve matched with the threaded rod, the threaded rod is in threaded connection with the sleeve, the top of the threaded rod is fixedly connected with the balance block, the bottom of the sleeve is fixedly connected with the support base, and an adjusting spanner is further in threaded sleeve connection with the upper portion of the threaded rod. The threaded rod and the sleeve are in spiral connection, so that the whole lifting balance support has certain flexibility, and the required height is convenient to operate and set. Secondly, before determining the height of the test platform, the threaded rod and the sleeve are in an active state, under the drive of the scissor arm support, the lifting platform ascends or descends to reach the required height, the height of the lifting balance support is adjusted, then the adjusting spanner is twisted tightly to fix the height, the lifting platform is supported together with the scissor arm support group, and the lifting platform and the grounding plate can be guaranteed to have certain stability.
Preferably, the ratio of the length of the right angle of the lifting balance support to the side length of the base is 0.4-0.6, so that the left side and the right side of the whole test table have a certain vibration redundancy, and the accuracy of the tested equipment in the test process can be improved.
Further preferably, the gap left by cantilever connection between the balance weight and the lifting platform is 1-5 mm. In the process of testing the tested equipment on the grounding plate, a certain degree of redundancy of up-and-down vibration is provided for the whole test table surface, so that the accuracy of the tested equipment conduction immunity test is higher, and the test result is more accurate.
Preferably, the pushing piece is an electric push rod motor, the electric push rod motor comprises an electric motor and a telescopic push rod connected with the electric motor, and the left end and the right end of the telescopic push rod are respectively connected with the scissor type arm support groups on the two sides. After the electric motor is electrified, the work of the telescopic push rod can be regulated and controlled, and the work of the scissor fork arm support group can be regulated and controlled through the telescopic push rod. When the telescopic push rod extends outwards for a long time, the scissor fork arm support group can extend upwards under the action of the push rod, so that the height of the lifting platform is increased; conversely, when the telescopic push rod is contracted inwards, the scissor fork arm frame group is shortened downwards under the action of the telescopic push rod, so that the height of the lifting platform is reduced. The electric motor is a locking motor, and the locking motor can automatically lock the push rod after stretching the push rod and can bear load, so that a lifting table does not need to be provided with a locking mechanism independently, and the structural design of the scissor fork type arm support set is simplified.
Preferably, the number of the scissor arm sets is 2, a single scissor arm set comprises two scissor arms which are arranged in an up-down connection mode, and the two scissor arm sets are connected by using a supporting rod, so that the two scissor arm sets can ascend or descend synchronously.
Further preferably, two sliding grooves for sliding the two scissor arm sets are arranged on the upper surface of the base and the lower surface of the lifting table. Further, the single scissor arm support comprises two support rods, one support rod of the scissor arm support connected with the upper surface of the base is fixedly connected to the upper surface of the base, and the other support rod is movably connected with the base through a sliding groove. Similarly, one supporting rod of the scissor fork arm frame connected with the lower surface of the lifting platform is fixedly connected with the lower surface of the lifting platform, and the other supporting rod is movably connected with the lifting platform through a sliding groove.
Still more preferably, a sliding block is arranged in the sliding groove, and the scissor arm support is connected with the sliding block through a bolt. Specifically, the supporting rod movably connected with the base and the lifting platform is fixed on the sliding block through the bolt, and the sliding block can slide along the sliding groove, so that the movable connection of the supporting rod with the base and the lifting platform is realized, the lifting platform can be lifted and lowered under the pushing of the electric push rod motor in an integral structure, the height of the test platform can be continuously adjusted, the flexibility of the test platform is improved, and the efficiency of the conduction immunity test arrangement of large-size tested equipment is improved.
Compared with the prior art, the utility model has the beneficial effects that: compared with the existing conductive immunity test platform, the utility model fills the blank of the experimental lifting test equipment platform of the conductive immunity large-size equipment, ensures certain vibration redundancy when conducting the conductive immunity test, improves the test accuracy, can realize continuous adjustment of the height of the test platform, greatly improves the conductive immunity test arrangement efficiency of the large-size tested equipment, reduces the workload of carrying the wood table test, and enables the test table surface to have good stability.
Drawings
FIG. 1 is a schematic diagram of a conductive noise immunity test platform according to the present utility model.
Fig. 2 is a perspective view of the right side view of fig. 1.
Fig. 3 is a schematic view of a lifting balance bracket in embodiment 1.
Fig. 4 is a schematic diagram of a slider structure in embodiment 1.
Description of the drawings: 1. a roller; 2. a base; 3. an electric push rod motor; 4. a scissor arm support group; 5. a support rod; 6. a lifting table; 7. a ground plate; 8. lifting the balance bracket; 81. a balance weight; 82. adjusting a wrench; 83. a threaded rod; 84. a sleeve; 85. a bracket base; 86. support roller
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the utility model. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
The embodiment discloses conductive immunity test platform, including base 2, locate at least two sets of scissors fork arm support group 4 of one side on the base 2, locate the lift balance support 8 of the opposite side on the base 2, locate the lift platform 6 on scissors fork arm support group 2 and the lift balance support 8, locate the ground plane 7 on the lift platform 6, be located between base 2 and scissors fork arm support group 4 and be used for promoting the promotion piece that scissors fork arm support group 4 upwards elongates or shortens downwards to and be used for connecting the bracing piece 5 of two adjacent sets of scissors fork arm support group 4, lift balance support 8 be used for balanced ground plane 7 and provide certain vibration redundancy for it.
During testing, the scissor arm support group 4 and the lifting balance support 8 are simultaneously supported on two sides of the lifting table 6, so that the lifting table 6 and the grounding plate 7 are guaranteed to have certain stability, and the scissor arm support group 4 and the electric push rod motor 3 are made of stainless steel materials, so that the gravity center of the whole platform is close to the center, and the table top is firmer. The base 2 and the lifting platform 6 are made of engineering plastic materials, so that metal structural components are not arranged on a horizontal plane flush with tested equipment, the requirement that the tested equipment is at least 500mm away from other metal objects in the conduction immunity test is met while a short cable is ensured, and the lifting balance support 8 supports the grounding flat plate 7 and simultaneously avoids the inaccurate condition of the conduction immunity test caused by too large vibration amplitude of the grounding flat plate 7 in the test process.
Further, in the present embodiment, the lifting balance bracket 8 includes a balance block 81 connected to the lifting table 6, a fixed adjusting wrench 82 for adjusting the height of the lifting rod, and a bracket base 85 and a bracket roller 86 provided at the bottom. The lifting balance support 8 is made of engineering plastic materials, has certain elastic deformation capacity, can firmly support the balance test platform, provides certain vibration redundancy for the balance test platform, and improves the accuracy of the conduction immunity test.
Further, in this embodiment, the balance weight 81 is connected with the lifting platform 6 in a cantilever manner, the lifting rod is fixedly connected with the balance weight 81 above, the support base 85 below, the adjusting wrench 82 is sleeved on the upper half part of the lifting rod, and the support roller 86 is fixedly connected under the support base 85.
Further, in this embodiment, the lifting rod in the lifting balance support 8 is composed of a threaded rod 83 and a sleeve 84 matched with the threaded rod, the threaded rod 83 is in screwed connection with the sleeve 84, the top of the threaded rod 83 is fixedly connected with the balance block 81, the bottom of the sleeve 84 is fixedly connected with the support base 85, and an adjusting wrench 82 is further screwed on the upper portion of the threaded rod 83. The threaded rod 83 and sleeve 84 screw connection ensures a certain flexibility in terms of the height required for the operational setting. Secondly, before determining the height of the test platform, the threaded rod 83 and the sleeve 84 are in an active state, under the drive of the scissor arm support group 4, the lifting platform 6 ascends or descends to reach the required height, then the height of the lifting balance support 8 is adjusted according to the height of the lifting platform 6, then the adjusting spanner 82 is twisted to fix the height, the lifting platform 6 is supported together with the scissor arm support group 4, the lifting platform 6 and the grounding plate 7 are guaranteed to have certain stability, and the test result is more accurate.
Further, in this embodiment, the ratio of the length of the right angle of the position of the lifting balance support 8 set away from one side of the base 2 to the side length of the base 2 is 0.4-0.6, so that the left and right sides of the whole test table surface without supporting points have a certain vibration redundancy, and the tested device placed on the grounding plate can vibrate in a reasonable test range, thereby improving the accuracy of the conductive noise immunity test.
Further, in this embodiment, the gap between the weight 81 and the lifting platform 6 is 1-5 mm. In the process of testing the tested equipment on the ground plane plate 7, the redundancy that can vibrate up and down is provided for the whole test table surface, and the tested equipment can vibrate up and down in a reasonable test range, so that the accuracy of the test equipment conduction immunity test is higher, and the test result is more accurate.
Further, in this embodiment, the pushing member is an electric push rod motor 3, the electric push rod motor 3 includes an electric motor and a telescopic push rod connected to the electric motor, and left and right ends of the telescopic push rod are respectively connected to scissor arm frames 4 on two sides. After the electric motor is electrified, the work of the telescopic push rod can be regulated and controlled, and the work of the scissor fork arm frame set 4 can be regulated and controlled through the telescopic push rod. When the telescopic push rod extends outwards, the scissor fork arm frame set 4 can extend upwards under the action of the push rod, so that the height of the lifting platform 6 is increased; conversely, when the telescopic push rod is retracted inwards, the scissor fork arm frame set 4 is shortened downwards under the action of the telescopic push rod, so that the height of the lifting table 6 is reduced. The electric motor is a locking motor, and the locking motor can automatically lock the push rod after stretching the push rod and can bear load, so that a lifting table does not need to be provided with a locking mechanism independently, and the structural design of the scissor fork type arm support set is simplified.
Further, in this embodiment, the number of the scissor arm sets 4 is 2, a single set of the scissor arm sets 4 includes two scissor arms that are connected up and down, and the two sets of scissor arm sets 4 are connected by using a support rod, so that they can rise or fall synchronously, and balance of the test table top is ensured.
Further, in this embodiment, two sliding grooves for sliding the two scissor arm sets 4 are provided on the upper surface of the base 2 and the lower surface of the lifting platform 6. And secondly, the single scissor fork arm support comprises two support rods, one support rod of the scissor fork arm support connected with the upper surface of the base is fixedly connected to the upper surface of the base 2, and the other support rod is movably connected with the base 2 through a sliding groove. Similarly, one supporting rod of the scissor fork arm frame connected with the lower surface of the lifting platform 6 is fixedly connected with the lower surface of the lifting platform 6, and the other supporting rod is movably connected with the lifting platform 6 through a sliding groove.
Further, in this embodiment, a sliding block is disposed in the chute, and the scissor arm is connected to the sliding block through a bolt. Specifically, the supporting rod movably connected with the base 2 and the lifting platform 6 is fixed on the sliding block through the bolts, and the sliding block can slide along the sliding groove, so that the movable connection of the supporting rod with the base 5 and the lifting platform 6 is realized, the lifting and descending of the lifting platform can be realized under the pushing of the electric push rod motor 3 through the whole structure, the height of the test platform can be continuously adjusted, the flexibility of the test platform is improved, and the efficiency of the conduction immunity test arrangement of large-size tested equipment is improved.
It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the present utility model to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present utility model should be included in the protection scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a conduction immunity test platform, its characterized in that includes the base, locates at least two sets of fork arm support group that cut on one side on the base, locates the lift balance support of the opposite side on the base, locates the elevating platform on fork arm support group and the lift balance support, locates the ground plane on the elevating platform, is located between base and the fork arm support group and is used for promoting the promotion piece that the fork arm support group upwards elongates or shortens downwards to and be used for connecting the bracing piece of two adjacent sets of fork arm support groups, the lift balance support be used for balancing ground plane board and provide certain vibration redundancy for it.
2. The conductive immunity testing platform of claim 1, wherein the lifting balance bracket comprises a balance weight connected with a lifting platform, a regulating spanner for regulating fixing, a lifting rod for controlling the height, and a bracket base and a bracket roller arranged at the bottom.
3. The conductive immunity test platform of claim 2, wherein the counterweight is connected with the lifting platform in a cantilever manner, the lifting rod is fixedly connected with the counterweight above and fixedly connected with the bracket base below, the adjusting wrench is sleeved on the upper half part of the lifting rod, and the bracket roller is fixedly connected under the bracket base.
4. The conductive immunity test platform according to claim 3, wherein the lifting rod in the lifting balance support consists of a threaded rod and a sleeve matched with the threaded rod, the threaded rod is in threaded connection with the sleeve, the top of the threaded rod is fixedly connected with the balance block, the bottom of the sleeve is fixedly connected with the support base, and an adjusting spanner is further sleeved on the upper portion of the threaded rod in a threaded manner.
5. The conductive immunity test platform of claim 3, wherein the lifting balance bracket is positioned at a right angle to one side of the base and has a ratio of length to base side length of 0.4-0.6.
6. The conductive immunity test platform of claim 5, wherein the gap left by the cantilever connection of the counterweight and the lifting platform is in the range of 1-5 mm.
7. The conductive immunity testing platform of claim 1, wherein the pushing member is an electric push rod motor, the electric push rod motor comprises an electric motor and a telescopic push rod connected with the electric motor, the left end and the right end of the telescopic push rod are respectively connected with scissor arm support groups on two sides, and the electric motor is a locking motor.
8. The conductive immunity testing platform of claim 1, wherein the number of scissor arm sets is 2, a single set of the scissor arm sets comprising two scissor arms connected one to the other.
9. The conductive immunity testing platform of claim 8, wherein the upper surface of the base and the lower surface of the lifting platform are each provided with two sliding grooves for sliding the two scissor boom sets.
10. The conductive immunity testing platform of claim 9, wherein a slider is disposed in the chute, and the scissor arm is connected to the slider by a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323047977.2U CN221174728U (en) | 2023-11-10 | 2023-11-10 | Conductive immunity test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323047977.2U CN221174728U (en) | 2023-11-10 | 2023-11-10 | Conductive immunity test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221174728U true CN221174728U (en) | 2024-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323047977.2U Active CN221174728U (en) | 2023-11-10 | 2023-11-10 | Conductive immunity test platform |
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| Country | Link |
|---|---|
| CN (1) | CN221174728U (en) |
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2023
- 2023-11-10 CN CN202323047977.2U patent/CN221174728U/en active Active
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