CN218512550U - Testing tool for ODU performance test - Google Patents
Testing tool for ODU performance test Download PDFInfo
- Publication number
- CN218512550U CN218512550U CN202221995069.9U CN202221995069U CN218512550U CN 218512550 U CN218512550 U CN 218512550U CN 202221995069 U CN202221995069 U CN 202221995069U CN 218512550 U CN218512550 U CN 218512550U
- Authority
- CN
- China
- Prior art keywords
- top plate
- attenuator
- waveguide
- waveguide transition
- odus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000011056 performance test Methods 0.000 title claims abstract description 6
- 230000007704 transition Effects 0.000 claims abstract description 43
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a test fixture for ODU performance test, which comprises a top plate, an attenuator and two waveguide transition joints; the attenuator is a strip-shaped cavity, and two ends of the top of the strip-shaped cavity are respectively provided with a waveguide port; the waveguide transition joints are of a columnar structure, waveguides are arranged in the waveguide transition joints to enable two ends to be conducted, the bottom ends of the two waveguide transition joints are respectively connected with two waveguide ports of the attenuator, and the top ends of the two waveguide transition joints are used for being respectively connected with the waveguide ports of the two ODUs to be tested; the top plate is connected to the top of the attenuator, and a positioning hole for enabling the waveguide transition joint to penetrate through and a plurality of fixing holes corresponding to the two ODUs to be tested are formed in the top plate. During testing, the two ODUs are fixed on the testing tool, on one hand, carrying is facilitated, on the other hand, the positions of the two ODUs are relatively fixed, the ODUs cannot generate stress on the waveguide transition joint and the attenuator, and the service life of a device is prolonged.
Description
Technical Field
The utility model belongs to the technical field of microwave transmission equipment tests, especially, relate to a test fixture that is used for ODU (OutDoor Unit of out door Unit, microwave communication) capability test.
Background
In microwave transmission by using microwave equipment, an ODU is a core unit for realizing microwave transmission, and functions to shift frequency of an intermediate frequency signal to microwave signal transmission, receive a microwave signal and convert the microwave signal into an intermediate frequency signal, and the performance of the ODU seriously affects the communication quality of the whole communication equipment, so that the performance of the ODU needs to be tested.
In the prior art, when testing an ODU device, two ODU devices need to be connected by a special copper or silver attenuator waveguide so as to test the relevant performance of the ODU, wherein the connected two ODU devices need to be placed in a relevant container for a high and low temperature test. When a large number of ODU devices are tested, firstly, the attenuator waveguide needs to be frequently connected and detached (generally connected by bolts) to each ODU device to be tested; secondly, the attenuator waveguide needs to bear frequent temperature difference changes caused by high and low temperature tests; thirdly, when the ODU equipment is transported into/out of the high and low temperature test container, because the two ODU equipment are connected only by the attenuator waveguide, the two ODU equipment cannot be completely synchronized during transportation, and stress is easily generated on the attenuator waveguide; based on the three reasons, the specially-made attenuator waveguide in the prior art is extremely easy to damage, and especially, the attenuator waveguide is more easily deformed when the frequency band is higher, so that the attenuator waveguide needs to be frequently replaced, and the test equipment cost is high.
SUMMERY OF THE UTILITY MODEL
A technical object of the utility model is to provide a test fixture for ODU capability test aims at solving the fragile problem of test equipment among the prior art to and the inconvenient problem of two ODU equipment transport.
In order to solve the technical problem, the utility model provides a test fixture for ODU performance test, which comprises an attenuator component and a top plate;
the attenuator component comprises an attenuator and two waveguide transition joints; the attenuator is a strip-shaped cavity, and two waveguide ports are respectively formed at two ends of the top of the strip-shaped cavity so as to realize the transmission and interaction of two paths of electromagnetic waves; the waveguide transition joints are of a columnar structure, waveguides are arranged in the waveguide transition joints to enable two ends of the columnar structure to be conducted, the bottom ends of the two waveguide transition joints are respectively connected with the two waveguide ports of the attenuator, and the top ends of the two waveguide transition joints are used for being respectively connected with the waveguide ports of the two ODUs to be tested;
the top plate is detachably connected to the top of the strip-shaped cavity of the attenuator, a positioning hole is formed in the top plate and used for enabling the two waveguide transition joints to correspondingly penetrate through respectively, and a plurality of fixing holes corresponding to the two ODUs to be tested are formed in the top plate and used for enabling the two ODUs to be tested to be fixed on the top plate.
Further, the test fixture further comprises a support connected with the top plate to support the top plate and the attenuator assembly.
Furthermore, the support comprises a bottom plate and at least two side plates, the bottom plate is parallel to the top plate, the side plates are vertically connected with the bottom plate and the top plate, and the attenuator is located in a space formed by enclosing the top plate, the bottom plate and the side plates.
Furthermore, the roof is the rectangle, the curb plate is equipped with two, two the curb plate is located respectively the both sides of keeping away from each other of roof to all with the roof can dismantle the connection.
Furthermore, the bottom plate is rectangular and is fixedly connected with the two side plates.
Furthermore, four fixing holes are formed in the top plate and correspond to each ODU to be tested, and the four fixing holes surround corresponding positioning holes of the corresponding ODUs in the top plate.
Further, the top plate is fixedly connected with at least two operating handles.
Furthermore, the operating handles are provided with two operating handles which are respectively connected to the side edges of the top plate and are far away from each other.
Further, the operating handle is U-shaped.
Compared with the prior art, the utility model provides a test fixture, beneficial effect lies in: during testing, two ODUs to be tested are fixed to the testing tool, the positions of the two ODUs are relatively fixed, the two ODUs are fixed to the top plate and are not directly fixed to the waveguide device, and on one hand, the ODUs cannot generate stress on the waveguide transition joint and the attenuator even in the carrying process; on the other hand, the waveguide transition joint and the attenuator cannot be damaged during the installation and the disassembly of the ODU, so that the service life of the device is greatly prolonged, and the cost of the device is reduced; on the other hand, adopt the utility model discloses a test fixture, the transport of two ODU equipment of being convenient for has reduced the human cost.
Drawings
Fig. 1 is a schematic view of the overall structure of a test fixture in an embodiment of the present invention;
FIG. 2 is an elevation view of an attenuator assembly in an embodiment of the present invention;
FIG. 3 is a top view of an attenuator assembly in an embodiment of the present invention;
FIG. 4 is a plan view of an attenuator in an embodiment of the present invention;
fig. 5 is a top view of a top plate in an embodiment of the invention;
fig. 6 is a schematic view of a bracket according to an embodiment of the present invention.
In the drawings, each reference numeral denotes: 1-attenuator component, 2-top plate, 3-bracket, 11-attenuator, 12-waveguide transition joint, 21-positioning hole, 22-fixing hole, 23-operating handle, 31-bottom plate and 32-side plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "left," "right," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus should not be construed as limiting the present invention.
Example (b):
in the present embodiment, as shown in fig. 1, the test fixture includes an attenuator assembly 1, a top plate 2, and a bracket 3;
as shown in fig. 2-4, the attenuator assembly 1 includes an attenuator 11 and two waveguide transition joints 12; the attenuator 11 is a strip-shaped cavity, and two waveguide ports are respectively formed at two ends of the top of the strip-shaped cavity so as to realize transmission and interaction of two paths of electromagnetic waves; the waveguide transition joints 12 are of a columnar structure, and the waveguide transition joints are internally provided with waveguides so as to conduct two ends of the columnar structure, the bottom ends of the two waveguide transition joints 12 are respectively connected with two waveguide ports of the attenuator 11, and the top ends of the two waveguide transition joints 12 are used for being respectively connected with the waveguide ports of two ODUs to be tested;
as shown in fig. 5, the top plate 2 is detachably connected to the top of the bar-shaped cavity of the attenuator 11, and the top plate 2 is provided with one positioning hole 21 for allowing the two waveguide transition joints 12 to respectively and correspondingly pass through, and the top plate 2 is further provided with a plurality of fixing holes 22 respectively corresponding to two ODUs to be tested, for fixing the two ODUs to the top plate 2;
as shown in fig. 6, the bracket 3 includes a bottom plate 31 and side plates 32, the bottom plate 31 is parallel to the top plate 2, the side plates 32 are vertically connected to the bottom plate 31 and the top plate 2, and the attenuator 11 is located in a space defined by the top plate 2, the bottom plate 31 and the side plates 32.
The respective components of the present embodiment will be described in more detail below.
As shown in fig. 2 to fig. 4, as a core electrical part of the present invention, in the present embodiment, the attenuator 11 is in a long rectangular shape, and the internal structure of the attenuator 11 may be made by the prior art, for example, a step is provided inside the cavity of the attenuator 11, and is machined and molded after electromagnetic simulation; in the present embodiment, the material of the attenuator 11 is an aluminum alloy for cost saving.
In this embodiment, both the two waveguide ports of the attenuator 11 are rectangular, and to meet the requirements of the ODU performance test, the distance between the two waveguide ports of the attenuator 11 is 200mm to 300mm, the distance between the two waveguide ports of the attenuator 11 in this embodiment is preferably 300mm, and based on the size, the length of the attenuator 11 is set to 369mm.
As shown in fig. 2 and fig. 3, in this embodiment, the waveguide transition joint 12 is a cylinder, the waveguide inside the waveguide transition joint 12 is a rectangular waveguide, the bottom end of the waveguide inside the waveguide transition joint 12 is butted with the waveguide port of the attenuator 11, and the top end of the waveguide inside the waveguide transition joint 12 is butted with the waveguide port of the ODU to be tested. It is understood that in this embodiment, the distance between the two waveguide transition joints 12 is also 300mm. In this embodiment, the waveguide transition joint 12 is connected to the cavity of the attenuator 11 by four screws.
In this embodiment, the height of the attenuator assembly 1 is 68.6mm, that is, the height from the top end of the waveguide transition joint 12 to the bottom of the attenuator 11 is 68.6mm, and the height may be adjusted according to the height of the ODU to be tested, the height of the high and low temperature test container, and the number of stacked layers of the test equipment during the high and low temperature tests.
As shown in fig. 5, in the present embodiment, the top plate 2 is rectangular, and the longitudinal direction of the top plate 2 is the same as the longitudinal direction of the elongated rectangle of the attenuator 11. The top plate 2 is detachably connected with the strip-shaped cavity of the attenuator 11 through five groups of ten screws, and as shown in fig. 1, 3-5, ten screw holes are correspondingly formed in the top plate 2 and the attenuator 11 respectively.
In this embodiment, the two positioning holes 21 formed in the top plate 2 have the same aperture as the outer diameter of the waveguide transition joint 12, so that the waveguide transition joint 12 can pass through and be positioned, and it can be understood that the distance between the two positioning holes 21 is also 300mm.
In this embodiment, four fixing holes 22 are formed in the top plate 2 corresponding to each ODU to be tested, which total eight fixing holes 22, and each four fixing holes 22 surround one positioning hole 21. In some embodiments, the number of fixing holes 22 opened on the top plate 2 corresponding to each ODU to be tested may be two, three, or five or more.
When installing two ODUs in the utility model discloses a test fixture, to the direction that shows in FIG. 5 as an example, left four fixed orificess 22 and its locating hole 21 that encircles correspond to one of them ODU, and four fixed orificess 22 on right side and its locating hole 21 that encircles correspond to another ODU. Specifically, taking the ODU on the left side mounted on the test fixture as an example, a waveguide interface at the bottom of the ODU is butted with a waveguide transition joint 12 passing through a positioning hole 21 on the left side of the top plate 2, and at this time, the ODU is connected with the attenuator 11 through the waveguide transition joint 12; meanwhile, four corners of the bottom of the ODU are respectively corresponding to the four fixing holes 22 on the left side of the top plate 2, and then the ODU is connected with the top plate 2 by respectively penetrating the four fixing holes 22 through four bolts, and the ODU is fixed on the top plate 2. And (3) installing the ODUs on the right side in the same mode, and after the installation is finished, fixing the two ODUs on the test tool. By adopting the scheme, the positions of the two ODUs are relatively fixed, the carrying convenience is greatly improved, even in the carrying process, the ODUs cannot generate stress on the waveguide transition joint 12 and the attenuator 11, and the service lives of the waveguide transition joint 12 and the attenuator 11 are greatly prolonged.
In this embodiment, two short sides of the top plate 2 are respectively and fixedly connected with an operating handle 23, and the two operating handles 23 are both U-shaped and horizontally connected to the side of the top plate 2. In some embodiments, the top plate 2 may not be rectangular, such as circular, oval or irregular, and the number of the operation handles 23 may be more than two, so as to select the number of the operation handles 23 according to the shape of the top plate 2 and the convenience of operation. The operating handle 23 may also be arranged vertically, likewise for ease of operation.
In this embodiment, the top plate 2 is 690mm in length (including the operating handle 23), 220mm in width and 15mm in thickness, and is formed by an aluminum alloy plate forming machine. In some embodiments, the length of the top plate 2 (including the operation handle 23) is less than or equal to 720mm, and the width of the top plate 2 is less than or equal to 230mm in consideration of the convenience of operation and the size of the high and low temperature test container.
In this embodiment, as shown in fig. 6, the bottom plate 31 is rectangular and has the same size as the top plate 2, two side plates 32 are provided and are respectively located at two sides of the long side of the bottom plate 31, and the bottom plate 31 and the side plates 32 are fixedly connected to form the bracket 3 with a U-shaped structure; the bottom plate 31 and the side plate 32 can be integrally formed, and can also be fixedly connected in a bonding mode, a welding mode and the like to form the bracket 3 with a U-shaped structure; in this embodiment, the bracket 3 of the U-shaped structure is integrally formed by an aluminum alloy plate. When the support 3 is connected with the top plate 2, the two side plates 32 are respectively positioned on two sides of the long edge of the top plate 2 and are connected with the side edges of the top plate 2 through bolts. In this embodiment, a certain gap is left between the bottom plate 31 and the attenuator 11, and in this embodiment, by arranging the bracket 3, on one hand, the testing tool is more stable, and on the other hand, the attenuator 11 is located in a space formed by enclosing the top plate 2, the bottom plate 31 and the side plate 32 and is suspended, so as to provide protection for the attenuator 11.
Compared with the prior art, the test tool of the embodiment of the utility model, will be awaited measuring two ODUs are all fixed in the test tool, the position of two ODUs is relatively fixed to, and, two ODUs are all fixed in on the roof, and not directly fixed on the waveguide device, on the one hand, even in the in-process ODU of transport also can not produce stress to waveguide transition joint 12 and attenuator 11; on the other hand, the waveguide transition joint 12 and the attenuator 11 are not damaged during the installation and the disassembly of the ODU, so that the service life of the device is greatly prolonged, and the cost of the device is reduced; on the other hand, the test tool of the utility model is convenient for carrying two ODU devices, and reduces the labor cost; moreover, the test fixture of the utility model, through setting the bracket 3, on one hand, makes the test fixture more stable, on the other hand, makes the attenuator 11 located in the space formed by the top plate 2, the bottom plate 31 and the side plate 32 and suspended, and provides protection for the attenuator 11; further, the utility model discloses an aluminum alloy material has further reduced the cost of device.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A test tool for ODU performance test is characterized by comprising an attenuator assembly and a top plate;
the attenuator component comprises an attenuator and two waveguide transition joints; the attenuator is a strip-shaped cavity, and two waveguide ports are respectively formed at two ends of the top of the strip-shaped cavity; the waveguide transition joints are of a columnar structure, waveguides are arranged in the waveguide transition joints to enable two ends of the columnar structure to be conducted, the bottom ends of the two waveguide transition joints are respectively connected with two waveguide ports of the attenuator, and the top ends of the two waveguide transition joints are used for being respectively connected with the waveguide ports of two ODUs to be tested;
the top plate is detachably connected to the top of the strip-shaped cavity of the attenuator, a positioning hole is formed in the top plate and used for enabling the two waveguide transition joints to correspondingly penetrate through the positioning hole respectively, and a plurality of fixing holes corresponding to the two ODUs to be tested are formed in the top plate.
2. The test fixture of claim 1 further comprising a support coupled to the top plate to support the top plate and the attenuator assembly.
3. The test tool according to claim 2, wherein the support comprises a bottom plate and at least two side plates, the bottom plate is parallel to the top plate, the side plates are vertically connected with the bottom plate and the top plate, and the attenuator is located in a space formed by the top plate, the bottom plate and the side plates in an enclosing mode.
4. The test tool according to claim 3, wherein the top plate is rectangular, the number of the side plates is two, and the two side plates are respectively located on two sides, far away from each other, of the top plate and are detachably connected with the top plate.
5. The test tool according to claim 4, wherein the bottom plate is rectangular and is fixedly connected with the two side plates.
6. The test tool according to claim 1, wherein four fixing holes are formed in the top plate and correspond to each ODU to be tested, and the four fixing holes surround corresponding positioning holes of the corresponding ODUs in the top plate.
7. The test tool of claim 1, wherein the top plate is fixedly connected with at least two operating handles.
8. The test tool of claim 7, wherein the two operating handles are connected to the side edges of the top plate respectively and are far away from each other.
9. The test fixture of claim 7, wherein the operating handle is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995069.9U CN218512550U (en) | 2022-07-28 | 2022-07-28 | Testing tool for ODU performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995069.9U CN218512550U (en) | 2022-07-28 | 2022-07-28 | Testing tool for ODU performance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218512550U true CN218512550U (en) | 2023-02-21 |
Family
ID=85206470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221995069.9U Active CN218512550U (en) | 2022-07-28 | 2022-07-28 | Testing tool for ODU performance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218512550U (en) |
-
2022
- 2022-07-28 CN CN202221995069.9U patent/CN218512550U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210159577A1 (en) | Arrangement for interconnection of waveguide structures and a structure for a waveguide structure interconnecting arrangement | |
| TWI581493B (en) | A cavity type phase shifter | |
| CN218512550U (en) | Testing tool for ODU performance test | |
| CN110224209B (en) | Two-way sheet metal type filter | |
| CN205941705U (en) | Compound dielectric constant measurement element | |
| CN211014917U (en) | Liquid crystal display assembling structure | |
| CN210376462U (en) | Spliced shielding box | |
| CN213026441U (en) | High-directivity directional coupler | |
| CN109889282A (en) | A kind of radio frequency printed circuit plate passive intermodulation couple feed surveys fixture and method fastly | |
| CN104319982A (en) | Power device combined cabinet connecting device | |
| CN209961866U (en) | Novel test fixture of SMT microstrip circulator | |
| CN210224231U (en) | Novel quick dismouting cavity port connector structure | |
| CN104569510A (en) | Clamp of strip-line resonator | |
| CN210840435U (en) | Convenient joint quick-mounting circuit board for communication of dismantling | |
| CN204190599U (en) | A kind of power equipment cabinet jockey | |
| CN110488117B (en) | Inspection of circular waveguide TE in 'power-target' mode converter01Method of mode purity | |
| CN210156852U (en) | Adjustable cable bridge | |
| CN220821285U (en) | Quick installation device of mutual-inductor | |
| CN219937549U (en) | High-frequency high-current test adapter | |
| CN218470799U (en) | Novel low-cost high-frequency filter test fixture | |
| CN221670107U (en) | Transverse power supply structure for high-power ultra-wideband microwave power amplifier | |
| CN211603438U (en) | Semiconductor test probe fixing device | |
| CN212255517U (en) | Electric energy quality monitoring device convenient to installation | |
| CN221389547U (en) | Fixed frock and automatic weld device | |
| CN217933910U (en) | Energy storage battery module manual line electricity core wears board frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |