CN203595558U - Temperature data acquisition system for phase shifters - Google Patents
Temperature data acquisition system for phase shifters Download PDFInfo
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- CN203595558U CN203595558U CN201320777863.0U CN201320777863U CN203595558U CN 203595558 U CN203595558 U CN 203595558U CN 201320777863 U CN201320777863 U CN 201320777863U CN 203595558 U CN203595558 U CN 203595558U
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Abstract
The utility model belongs to the field of microwave measurement, and relates to a temperature data acquisition system for radar phase shifters. The temperature data acquisition system includes a vector network analyzer, an industrial personal computer, and a high and low temperature environmental test chamber. The vector network analyzer is connected to the industrial personal computer via a GPIB-USB cable; the industrial personal computer includes a microwave switch module, a temperature measurement module, a signal generation module, an oscilloscope module and a power management module; phase shifters are disposed in the high and low temperature environmental test chamber; the microwave switch module is connected, on the one hand, to the phase shifters via microwave cables, and on the other hand to the vector network analyzer; the temperature module obtains temperature status parameters of the phase shifters via a thermocouple; the oscilloscope module obtains work status parameters of the phase shifters via a sampling resistor; and the signal generation module and the power management module transmit excitation signals to the phase shifters via a control cable. According to the utility model, the problems that a lot of manpower, material and financial resources are needed in the scientific research and production process of passive phased array radar antennas are solved, and the development and production cycles are greatly shortened.
Description
Technical field
The invention belongs to microwave measurement field, relate to a kind of radar phase shifter temperature data collecting system.
Background technology
Because ferrite phase shifter needs a large amount of humid tests in development, production run, and original humid test is the parameters that can only measure under each temperature spot of a phase shifter, cause measuring that efficiency is extremely low, cost is high within each humid test cycle.
At present, phased-array radar test mission regulation: a set of Phased Array Radar Antenna array element needs 48 phase shifters to carry out temperature data acquisition before paying, its temperature according to from-55 ℃～+ 85 ℃ every 5 ℃, totally 29 temperature spots, gather one group of data, and need to be incubated 30 minutes under each temperature spot.The collecting method adopting according to present stage so, every phase shifter needs 1064 minutes (approximately 18 and a half hours), (approximately 36 days) data acquisition task that whole battle array needs 851 hours.
Worthwhile from economy, in current humid test, instrument and equipment expense is about: 400 yuan/hour.If according to old collecting method experimentation cost be: 1064 × 48 × 400/60=340480 unit.
Summary of the invention
Goal of the invention
Propose a kind of phase shifter temperature data collecting system that is used for, to solve a large amount of human and material resources of needs in passive Phased Array Radar Antenna scientific research, production run, the problem of financial resources, and greatly shorten development, production cycle.
Technical scheme
A kind of phase shifter temperature data collecting system, comprises vector network analyzer, industrial computer, high-low-temperature environmental testing case, and vector network analyzer is connected with industrial computer by GPIB-USB cable; Industrial computer comprises microwave switch module, temperature-measuring module, signal generator module, oscillograph module and power management module; High-low-temperature environmental testing case inside is placed with phase shifter; Microwave switch module is connected with phase shifter by microwave cable on the one hand, be connected with vector network analyzer on the other hand, thermal module obtains phase shifter state of temperature parameter by thermopair, oscillograph module is obtained phase shifter working status parameter by sample resistance, and signal generating module and power management module send pumping signal by control cables to phase shifter.
Further, above-mentioned microwave switch module is two.
Further, above-mentioned phase shifter is 6.
Useful technique effect: propose a kind of system for passive phased-array radar phase shifter temperature data acquisition, to solve a large amount of human and material resources of needs in passive Phased Array Radar Antenna scientific research, production run, the problem of financial resources, and greatly shorten development, production cycle.
Accompanying drawing explanation
Fig. 1 is system composition diagram;
Fig. 2 is the structural representation of microwave switch;
Fig. 3 is the functional diagram of microwave switch.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
A kind of phase shifter temperature data collecting system, comprises vector network analyzer, industrial computer, high-low-temperature environmental testing case, and vector network analyzer is connected with industrial computer by GPIB cable; Industrial computer comprises microwave switch module, temperature-measuring module, signal generator module, oscillograph module and power management module; High-low-temperature environmental testing case inside is placed with phase shifter; Microwave switch module is connected with phase shifter by microwave cable on the one hand, be connected with vector network analyzer on the other hand, thermal module obtains phase shifter state of temperature parameter by thermopair, oscillograph module is obtained phase shifter working status parameter by sample resistance, and signal generating module and power management module send pumping signal by control cables to phase shifter.Wherein, microwave switch module is for the microwave channel of gating a certain road phase shifter and vector network analyzer; Temperature-measuring module is for measuring the temperature of current high and low temperature chamber; Signal generating module and power management module are for generation of the driving source of phase shifter working signal; Whether oscillograph module is normal for detection of phase shifter work.
Further, above-mentioned microwave switch module is two.
Further, above-mentioned phase shifter is 6.
Wherein, the control of microwave switch is the core of whole system, and it selects one microwave channel switch for a kind of six, as shown in Figure 2,3, and the structural representation that wherein Fig. 2 is microwave switch, the functional diagram that Fig. 3 is microwave switch.
In this switch, one has seven microwave channels, and the COM passage that is wherein positioned at center is public passage, and this passage is connected with the cable of PNA vector network analyzer.CH1～CH6 connects respectively six microwave cables that phase shifter is connected.Switch is by the inner switching over some channel connections of same CH1～CH6 respectively.
For passive phased-array radar phase shifter temperature data acquisition, carrying out in humid test process, by be connected in series a pair of time-division switching between surveying instrument and multiple tested phase shifter, and utilize the microwave switch of time-sharing multiplex to reach under same temperature spot timesharing to measure the object of multiple phase shifter temperature datas.
When specific works, carry out according to following steps: 1, control high-low temperature chamber, make it to arrive probe temperature point; 2, insulation 30 minutes; 3, vector network analyzer gather the every microwave parameters of single phase shifter and by GPIB cable transmission to industrial computer and be stored in database; 4, judge whether all phase shifter parameters complete collection; Carry out next step if complete; If do not complete repeating step 3 until complete the data acquisition of all phase shifter microwave parameters; 5, judged whether the data acquisition of 29 temperature spots; If do not complete, repeating step 1～step 4, finishes if complete to gather.
Claims (3)
1. a phase shifter temperature data collecting system, is characterized in that: comprise vector network analyzer, industrial computer, high-low-temperature environmental testing case, vector network analyzer is connected with industrial computer by GPIB-USB cable; Industrial computer comprises microwave switch module, temperature-measuring module, signal generator module, oscillograph module and power management module; High-low-temperature environmental testing case inside is placed with phase shifter; Microwave switch module is connected with phase shifter by microwave cable on the one hand, be connected with vector network analyzer on the other hand, thermal module obtains phase shifter state of temperature parameter by thermopair, oscillograph module is obtained phase shifter working status parameter by sample resistance, and signal generating module and power management module send pumping signal by control cables to phase shifter.
2. phase shifter temperature data collecting system according to claim 1, is characterized in that: microwave switch module is two.
3. phase shifter temperature data collecting system according to claim 1, is characterized in that: phase shifter is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777863.0U CN203595558U (en) | 2013-11-28 | 2013-11-28 | Temperature data acquisition system for phase shifters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777863.0U CN203595558U (en) | 2013-11-28 | 2013-11-28 | Temperature data acquisition system for phase shifters |
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| Publication Number | Publication Date |
|---|---|
| CN203595558U true CN203595558U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320777863.0U Expired - Fee Related CN203595558U (en) | 2013-11-28 | 2013-11-28 | Temperature data acquisition system for phase shifters |
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| CN (1) | CN203595558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273110A (en) * | 2020-03-19 | 2020-06-12 | 中国振华集团云科电子有限公司 | Full-temperature automatic testing system and method for S parameter of microwave component |
| CN113884795A (en) * | 2021-09-28 | 2022-01-04 | 北京京东方技术开发有限公司 | Detection tool and detection device for liquid crystal phase shifter |
-
2013
- 2013-11-28 CN CN201320777863.0U patent/CN203595558U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273110A (en) * | 2020-03-19 | 2020-06-12 | 中国振华集团云科电子有限公司 | Full-temperature automatic testing system and method for S parameter of microwave component |
| CN113884795A (en) * | 2021-09-28 | 2022-01-04 | 北京京东方技术开发有限公司 | Detection tool and detection device for liquid crystal phase shifter |
| CN113884795B (en) * | 2021-09-28 | 2023-11-21 | 北京京东方技术开发有限公司 | Detection jig and detection device for liquid crystal phase shifter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20191128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |