CN110824283A - Product testing system based on millimeter wave radio frequency unit - Google Patents
Product testing system based on millimeter wave radio frequency unit Download PDFInfo
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- CN110824283A CN110824283A CN201911162011.9A CN201911162011A CN110824283A CN 110824283 A CN110824283 A CN 110824283A CN 201911162011 A CN201911162011 A CN 201911162011A CN 110824283 A CN110824283 A CN 110824283A
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- radio frequency
- millimeter wave
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- processing module
- cpu
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
Abstract
The invention discloses a product testing system based on a millimeter wave radio frequency unit, which comprises: the device comprises a positioning structure, a CPU processor, a digital-to-analog conversion module connected with the CPU processor, a data processing module, a power meter, a display and a power supply, wherein the data processing module is connected with the CPU processor through a switch. The product testing system based on the millimeter wave radio frequency unit can improve the testing coverage rate of the waveguide radio frequency board; the product quality of the product is obviously improved, and the delivery rate of qualified products is improved; the maintenance efficiency of the product is greatly improved; the cost of maintenance dismouting of product after the reduction equipment.
Description
Technical Field
The invention relates to the technical field of electronic industrial test systems, in particular to a product test system based on a millimeter wave radio frequency unit.
Background
In the aging test of the waveguide frequency-transmitting product in the existing production process, the quality of the product is judged by an LED indicator lamp, and the following defects exist: the coverage rate of the test is very low, and the quality of the product can be judged only by the LED indicating lamp of the product; the production quality is not guaranteed, and the board repair rate is high; the whole test scheme lacks a diagnosis mode and has no diagnosis tool, and the repair efficiency and success rate are very low.
Disclosure of Invention
The invention mainly solves the technical problem of providing a product testing system based on a millimeter wave radio frequency unit, which has high testing coverage rate, obviously improves the product quality of products and improves the delivery rate of qualified products.
In order to solve the technical problems, the invention adopts a technical scheme that: a product testing system based on a millimeter wave radio frequency unit comprises: the system comprises a positioning structure, a CPU (central processing unit), a digital-to-analog conversion module connected with the CPU, a data processing module, a power meter, a display and a power supply, wherein the data processing module is connected with the CPU through a switch;
the positioning structure is used for connecting the positioning waveguide radio frequency board;
the digital-to-analog conversion module is used for receiving the echo signal transmitted by the waveguide radio frequency board, sampling according to a preset sampling frequency, performing analog-to-digital conversion, converting the echo signal into a digital signal and sending the digital signal to the data processing module;
the data processing module is used for processing the received digital signals and then sending the processed digital signals to the CPU;
and the CPU is used for receiving the digital signal transmitted by the data processing module and comparing the digital signal with a preset standard value, so as to judge the quality of the waveguide radio frequency board to be detected.
In a preferred embodiment of the present invention, the positioning structure is a positioning fixture disposed on the frame.
In a preferred embodiment of the present invention, the data processing module comprises a control board and a raspberry pi, wherein the raspberry pi is used for completing the processing of the digital signal.
In a preferred embodiment of the present invention, the power source is a 48V power source electrically connected to the control board.
In a preferred embodiment of the present invention, the display screen is connected to the CPU processor and is configured to display analysis result information of the waveguide rf board to be tested.
The invention has the beneficial effects that: the test coverage rate of the waveguide radio frequency board is improved; the product quality of the product is obviously improved, and the delivery rate of qualified products is improved; the maintenance efficiency of the product is greatly improved; the cost of maintenance dismouting of product after the reduction equipment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic flow chart of a millimeter wave radio frequency unit-based product testing system according to the present invention;
fig. 2 is a schematic structural diagram of a product testing system based on a millimeter wave radio frequency unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a product testing system based on a millimeter wave rf unit according to the present invention includes: the positioning structure 2, the CPU processor 3, the digital-to-analog conversion module 4 connected with the CPU processor, the data processing module 5, the power meter 6, the display 7 and the power supply 8 are arranged on the rack 1, and the data processing module is connected with the CPU processor through the switch 9;
the positioning structure is used for connecting and positioning the waveguide radio frequency board, and specifically, the positioning structure is a positioning clamp arranged on the rack.
The digital-to-analog conversion module is used for receiving an echo signal transmitted by the waveguide radio frequency board, sampling according to a preset sampling frequency, performing analog-to-digital conversion, converting the echo signal into a digital signal and sending the digital signal to the data processing module;
the data processing module is communicated with the power meter, digital signals of the power meter can be rapidly transmitted to the CPU through the control of the control panel and the calculation of the raspberry group, and other testing instruments are effectively saved;
the CPU is used for receiving the digital signals transmitted by the data processing module and comparing the digital signals with a preset standard value so as to judge the quality of the waveguide radio frequency board to be detected;
the display screen is connected with the CPU and used for displaying analysis result information of the waveguide radio frequency board to be tested.
Furthermore, the data processing module comprises a control panel and a raspberry pi, and the raspberry pi is used for finishing the processing of the digital signal.
Further, the power supply is a 48V power supply and is electrically connected with the control board.
The working process of the invention comprises the steps of positioning a waveguide radio frequency board to be tested by using a clamp, controlling the waveguide radio frequency board to be tested by a control board to generate or receive a high-frequency signal, transmitting the high-frequency signal by using a waveguide, wherein the waveguide can be used for transmitting the high-frequency signal up to 87GHz, the control board, a raspberry group, a CPU (central processing unit) and a digital-to-analog conversion module are in communication connection, the raspberry group is responsible for processing data, the digital-to-analog conversion module is responsible for converting the high-frequency signal into a digital signal so as to facilitate the reading of the CPU, and the CPU compares the received digital signal of the board to be tested with a preset standard value so as to judge the performance of the board to be.
The product testing system based on the millimeter wave radio frequency unit has the advantages that: the test coverage rate of the waveguide radio frequency board is improved; the product quality of the product is obviously improved, and the delivery rate of qualified products is improved; the maintenance efficiency of the product is greatly improved; the cost of maintenance dismouting of product after the reduction equipment.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A product test system based on millimeter wave radio frequency unit, characterized by comprising: the system comprises a positioning structure, a CPU (central processing unit), a digital-to-analog conversion module connected with the CPU, a data processing module, a power meter, a display and a power supply, wherein the data processing module is connected with the CPU through a switch;
the positioning structure is used for connecting the positioning waveguide radio frequency board;
the digital-to-analog conversion module is used for receiving the echo signal transmitted by the waveguide radio frequency board, sampling according to a preset sampling frequency, performing analog-to-digital conversion, converting the echo signal into a digital signal and sending the digital signal to the data processing module;
the data processing module is used for processing the received digital signals and then sending the processed digital signals to the CPU;
and the CPU is used for receiving the digital signal transmitted by the data processing module and comparing the digital signal with a preset standard value, so as to judge the quality of the waveguide radio frequency board to be detected.
2. The millimeter wave radio frequency unit based product testing system according to claim 1, wherein the positioning structure is a positioning fixture disposed on the rack.
3. The millimeter wave radio frequency unit based product testing system according to claim 1, wherein the data processing module comprises a control board and a raspberry pi, and the raspberry pi is used for processing the digital signal.
4. The millimeter wave radio frequency unit based product testing system according to claim 3, wherein the power supply is a 48V power supply and is electrically connected to the control board.
5. The millimeter wave radio frequency unit based product testing system according to claim 1, wherein the display screen is connected to the CPU processor and configured to display analysis result information of the waveguide radio frequency board to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162011.9A CN110824283A (en) | 2019-11-25 | 2019-11-25 | Product testing system based on millimeter wave radio frequency unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162011.9A CN110824283A (en) | 2019-11-25 | 2019-11-25 | Product testing system based on millimeter wave radio frequency unit |
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| CN110824283A true CN110824283A (en) | 2020-02-21 |
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| CN201911162011.9A Pending CN110824283A (en) | 2019-11-25 | 2019-11-25 | Product testing system based on millimeter wave radio frequency unit |
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Citations (11)
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