CN221177939U - Switching unit for UWB conduction test - Google Patents
Switching unit for UWB conduction test Download PDFInfo
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- CN221177939U CN221177939U CN202322646040.0U CN202322646040U CN221177939U CN 221177939 U CN221177939 U CN 221177939U CN 202322646040 U CN202322646040 U CN 202322646040U CN 221177939 U CN221177939 U CN 221177939U
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Abstract
The utility model discloses a switching unit for UWB conduction test, which belongs to the technical field of UWB conduction test, and comprises a comprehensive tester test box body, wherein a control panel is fixedly arranged on one side surface of the comprehensive tester test box body, a control button and a plurality of interfaces are arranged on the control panel, a power interface is fixedly arranged on the other side surface of the comprehensive tester test box body, a support base is fixedly arranged at the bottom end of the comprehensive tester test box body and positioned at four corners, a switching unit control circuit is arranged in the comprehensive tester test box body, and the switching unit control circuit comprises a control module and a link module.
Description
Technical Field
The utility model relates to the technical field of UWB conduction testing, in particular to a switching unit for UWB conduction testing.
Background
UWB is a radio-based communication technology for short-range, high-speed and directional data transmission. Today UWB technology is entering the consumer and industrial markets, mainly for mobile phone terminals, automotive applications, internet of things, and industry 4.0, etc.
The accurate ranging capability, low power consumption, high security and reliability of UWB makes it suitable for many automotive applications, such as remote access and gesture recognition. Automobiles can perform a variety of new functions, testing the performance of UWB devices in laboratories and production lines is important to ensure compatibility and proper operation.
Based on the above, the present inventors found that:
In the UWB conduction test, as the test lines contained in the UWB conduction test are better, when the UWB conduction test is carried out in a traditional mode, the old test line needs to be removed and the new test line is connected when the new test line is switched, so that the consumed time of the UWB conduction test is greatly increased, and the test efficiency of the UWB conduction test is reduced.
Accordingly, in view of the above, research and improvement are made on the existing structure, and a switching unit for UWB conduction testing is provided in order to achieve the purpose of more practical value.
Disclosure of utility model
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the utility model aims to provide a switching unit for UWB conduction test, which can avoid the process of dismantling and reinstalling a test line in the UWB conduction test, realize the rapid switching of the test line, save the consumed time of the UWB conduction test and improve the test efficiency of the UWB conduction test.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a switching unit for UWB conduction test, includes comprehensive survey appearance test box, a side of comprehensive survey appearance test box is fixed to be provided with control panel, be provided with control button and a plurality of interface on the control panel, the fixed power source that is provided with of another side of comprehensive survey appearance test box, the bottom of comprehensive survey appearance test box just is located four corners and all is fixed to be provided with the support base, the inside of comprehensive survey appearance test box is provided with switching unit control circuit, switching unit control circuit includes control module and link module.
Furthermore, the comprehensive tester test box body is of a solid hollow box structure made of aluminum alloy materials.
Further, in the control module, a power signal at a power interface is connected, and power conversion is performed.
Further, in the link module, signals of a plurality of interfaces on the control panel are connected, and converted into corresponding signal transmission according to the test indexes.
Further, the link module includes a pulse corresponding index link, a transmission spectrum template index link, a maximum output power index link, an occupied bandwidth index link, a maximum average power spectral density index link, and a spurious index link.
Furthermore, in the pulse corresponding index link, signals of a plurality of interfaces on the control panel are connected, transmission and feedback are carried out among the signals of the plurality of interfaces, and an index line is established, wherein the index lines of the emission spectrum template index link, the maximum output power index link, the occupied bandwidth index link and the maximum average power spectrum density index link are identical to the index line of the pulse corresponding index link.
Further, in the spurious index link, signals of a plurality of interfaces on the control panel are connected, transmission and feedback are performed between the signals of the plurality of interfaces, and an index line is established.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
In the scheme, in UWB conduction test, a plurality of interfaces on the control panel are utilized to connect different circuits for electric shock, then a link switching knob or software control is utilized for carrying out link switching, in the link switching process, a control module in a switching unit control circuit is used for converting power signals respectively, the link module can be divided into a plurality of different index links according to index requirements, and then the switching of linked index lines is controlled according to the index requirements.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic diagram of a switching unit circuit according to the present utility model;
FIG. 4 is a schematic diagram of an impulse response index link according to the present utility model;
Fig. 5 is a schematic diagram of a hash index link according to the present utility model.
The reference numerals in the figures illustrate:
1. The comprehensive tester tests the box body;
2. A control panel;
3. A power interface;
4. and a supporting base.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Example 1:
Referring to fig. 1-5, a switching unit for UWB conduction testing includes a comprehensive tester testing box 1, a control panel 2 is fixedly provided on one side of the comprehensive tester testing box 1, a control button and a plurality of interfaces are provided on the control panel 2, a link switching knob is provided on the left side of the control panel 2, a comprehensive tester TxSMA radio frequency port, a comprehensive tester RxSMA radio frequency port and a signal source SMA radio frequency port are sequentially provided from left to right at the upper end of the right side of the control panel 2, a frequency spectrograph SMA radio frequency port and an EUT SMA radio frequency port are sequentially provided from left to right at the middle of the right side of the control panel 2, a LAN port is provided at the lower end of the control panel 2, a power interface 3 is fixedly provided on the other side of the comprehensive tester testing box 1, a support base 4 is fixedly provided at each of four corners at the bottom of the comprehensive tester testing box 1, a switching unit control circuit is provided inside the comprehensive tester testing box 1, and the switching unit control circuit includes a control module and a link module.
Referring to fig. 1 and 2, a comprehensive tester testing box 1 is a solid hollow box structure made of aluminum alloy. The arrangement of the switching unit control circuit can be facilitated in the comprehensive tester test box body 1 of the solid hollow machine box structure, and meanwhile, the comprehensive tester test box body 1 can protect the switching unit control circuit.
Referring to fig. 3, 4 and 5, in the control module, a power signal at the power interface 3 is connected, and power conversion is performed. In the control module, 220V alternating voltage at the power interface 3 is converted into rated direct voltage in the switching unit control circuit, so that the work of each element in the circuit is facilitated, and the overload condition of the elements in the circuit is avoided.
Referring to fig. 3, 4 and 5, in the link module, signals of a plurality of interfaces on the control panel 2 are connected, and converted into corresponding signal transmission according to the test indexes. Under the operation of the link module, signals corresponding to different interfaces can be transmitted to corresponding circuits according to the test indexes, so that the ordered operation of UWB conduction test is realized.
Referring to fig. 3, 4 and 5, the link module includes a pulse corresponding index link, a transmit spectrum template index link, a maximum output power index link, an occupied bandwidth index link, a maximum average power spectral density index link and a spurious index link. Under the control of a link module, a pulse corresponding index link, an emission spectrum template index link, a maximum output power index link, an occupied bandwidth index link, a maximum average power spectrum density index link and a spurious index link respectively operate according to corresponding circuit lines, so that ordered execution of test results is ensured when testing of different indexes in UWB conduction tests is realized, and mutual interference when multiple indexes are tested simultaneously is avoided.
Referring to fig. 3, 4 and 5, in the pulse corresponding index link, signals of a plurality of interfaces on the control panel 2 are connected, transmission and feedback are performed between the signals of the plurality of interfaces, and an index line is established, and the index lines of the transmission spectrum template index link, the maximum output power index link, the occupied bandwidth index link and the maximum average power spectrum density index link are the same as the index lines of the pulse corresponding index link. When transmitting signals in the pulse corresponding index links, the signal source transmits signals to the EUT, the comprehensive tester Tx transmits signals to the EUT, and the EUT receives the signals and transmits feedback signals to the spectrometer and the comprehensive tester Rx, so that corresponding index lines are generated.
Referring to fig. 3, 4 and 5, in the spurious index link, signals of a plurality of interfaces on the control panel 2 are connected, transmission and feedback are performed between the signals of the plurality of interfaces, and an index line is established. When transmitting signals in the spurious index link, the Tx transmitting signals of the comprehensive measuring instrument are transmitted to the EUT, the feedback signals are transmitted to the frequency spectrograph and the comprehensive measuring instrument Rx after the EUT receives the signals, in the link fed back to the frequency spectrograph, the switch is replaced to the filter array, the signals fed back to the frequency spectrograph by the EUT are filtered through the filter array, the main signals and outside the EUT test frequency band are filtered until the spurious signals are reserved in the frequency spectrograph, and the spurious signals of the frequency spectrograph are observed, so that corresponding index lines are generated.
When in use:
In the UWB conduction test, a radio frequency port of a comprehensive tester TxSMA, a radio frequency port of a comprehensive tester RxSMA and a signal source SMA (electro-magnetic field) on a control panel 2 are utilized to be connected with corresponding circuits respectively, and meanwhile, a power interface 3 is connected with an external power line, so that the moisture resistance of the comprehensive tester test box body 1 and an internal switching unit control circuit is improved by a support base 4;
In the test process, the control module converts 220V alternating voltage at the power interface 3 into rated direct voltage in the switching unit control circuit, the link module transmits signals corresponding to different interfaces to corresponding circuits according to test indexes, in the process, pulse corresponding index links, emission spectrum template index links, maximum output power index links, occupied bandwidth index links, maximum average power spectral density index links and stray index links in the link module can select corresponding index lines according to corresponding index requirements, when the index lines are selected, the link switching knob is used for manual operation, or software is used for control operation, and finally, the switching test of a plurality of lines in the UWB conduction test is realized.
The device can avoid the process of dismantling and reinstalling the test circuit in the UWB conduction test, realizes the rapid switching of the test circuit, saves the consumed time of the UWB conduction test and improves the test efficiency of the UWB conduction test.
Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (7)
1. The utility model provides a switching unit for UWB conduction test, includes comprehensive survey appearance test box (1), its characterized in that: the utility model discloses a comprehensive testing instrument testing box, including comprehensive testing instrument testing box, control panel (2), be provided with control button and a plurality of interface on control panel (2), comprehensive testing instrument testing box's (1) another side is fixed to be provided with power source (3), comprehensive testing instrument testing box's (1) bottom just is located four corners and all is fixed to be provided with support base (4), comprehensive testing instrument testing box's (1) inside is provided with switching unit control circuit, switching unit control circuit includes control module and link module.
2. A switching unit for UWB conduction testing according to claim 1, wherein: the comprehensive tester testing box body (1) is of a solid hollow box structure made of aluminum alloy materials.
3. A switching unit for UWB conduction testing according to claim 1, wherein: in the control module, a power signal at the power interface (3) is connected, and power conversion is performed.
4. A switching unit for UWB conduction testing according to claim 1, wherein: in the link module, signals of a plurality of interfaces on the control panel (2) are connected, and the signals are converted into corresponding signal transmission according to the test indexes.
5. A switching unit for UWB conduction testing according to claim 1, wherein: the link module comprises a pulse corresponding index link, a transmitting frequency spectrum template index link, a maximum output power index link, an occupied bandwidth index link, a maximum average power spectrum density index link and a spurious index link.
6. A switching unit for UWB conduction testing according to claim 5, wherein: in the pulse corresponding index link, signals of a plurality of interfaces on a control panel (2) are connected, transmission and feedback are carried out among the signals of the plurality of interfaces, and an index line is established, wherein the index lines of the emission spectrum template index link, the maximum output power index link, the occupied bandwidth index link and the maximum average power spectrum density index link are identical to the index line of the pulse corresponding index link.
7. A switching unit for UWB conduction testing according to claim 5, wherein: in the stray index link, signals of a plurality of interfaces on the control panel (2) are connected, transmission and feedback are carried out among the signals of the plurality of interfaces, and an index line is established.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023216134161 | 2023-06-25 | ||
| CN202321613416 | 2023-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221177939U true CN221177939U (en) | 2024-06-18 |
Family
ID=91532182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322646040.0U Active CN221177939U (en) | 2023-06-25 | 2023-09-28 | Switching unit for UWB conduction test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221177939U (en) |
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2023
- 2023-09-28 CN CN202322646040.0U patent/CN221177939U/en active Active
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