CN214669566U - Universal automatic tester - Google Patents
Universal automatic tester Download PDFInfo
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- CN214669566U CN214669566U CN202120161879.3U CN202120161879U CN214669566U CN 214669566 U CN214669566 U CN 214669566U CN 202120161879 U CN202120161879 U CN 202120161879U CN 214669566 U CN214669566 U CN 214669566U
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- pxie
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- automatic tester
- universal automatic
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Abstract
The utility model discloses a general automatic tester, the load simulator comprises a case, the machine incasement has PXIe backplate, integrated PXIe controller, target simulator, signal source, oscilloscope, frequency spectrograph and the automatic temperature control system that have on the PXIe backplate. The utility model is used for outfield radar normal position test, mainly used inspection machine carries the range and the frequency spectrum of radar transmission signal and receiving system's sensitivity and adopts PXIe backplate and device to realize the integration and the miniaturization of system, and small, light in weight, the transportation of being convenient for is carried, has reduced operating personnel's work load, plays important role in the radar guarantee.
Description
Technical Field
The utility model relates to an instrument and meter technical field especially relates to a general automatic tester.
Background
At present, various general instruments and special test equipment such as an oscilloscope, a signal source, a frequency spectrograph, a special simulator and the like are needed for daily maintenance and performance detection of radar equipment, but the conventional army base level maintenance mainly depends on a random instrument (such as an oscilloscope), has limited functions, cannot meet the requirements of deep performance detection and maintenance of a radar system, and needs to be provided with a new comprehensive detection system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a general automatic tester has small, light in weight, and the transportation of being convenient for carries's characteristics have reduced operating personnel's work load, play important role in the radar guarantee.
The utility model discloses a realize above-mentioned utility model purpose and adopt following technical scheme:
the utility model provides a general automatic tester, the load simulator comprises a case, the machine incasement has PXIe backplate, integrated PXIe controller, target simulator, signal source, oscilloscope, frequency spectrograph and the automatic temperature control system that have on the PXIe backplate.
Further, the automatic temperature control system comprises a temperature sensor, a relay, a heater and a single chip microcomputer;
the temperature sensor is used for collecting and uploading the ambient temperature in the case to the single chip microcomputer;
the single chip microcomputer is used for judging the collected temperature and the set temperature threshold value and sending an on-off signal to the relay according to the judgment result; the relay is connected with the heater, and the work of the heater is controlled by the on-off of the relay.
Further, the PXIe backplane selects an 18-slot 3U backplane, which comprises 6 PXI slots, 8 PXIe slots and 4 PXI Express hybrid slots capable of receiving PXI and PXI Express peripheral modules.
Furthermore, the universal automatic tester also comprises a keyboard, a display screen and a power supply system which are arranged in the case;
the keyboard and the display screen are arranged on the outer wall of the case, are electrically connected with the PXIe controller and are used for displaying and controlling the PXIe controller;
the power supply system is arranged in the case, is electrically connected with the PXIe backboard and is used for supplying power to the system.
Furthermore, the case is made of an aluminum alloy material.
Furthermore, the top of the case is provided with an air inlet, the rear of the case is provided with an air outlet, and at least one fan is arranged in the case corresponding to the air outlet.
Further, the external dimension of the case is 467mm multiplied by 211mm multiplied by 348 mm.
The beneficial effects of the utility model reside in that:
the utility model is used for outfield radar normal position test, mainly used inspection machine carries the range and the frequency spectrum of radar transmission signal and receiving system's sensitivity and adopts PXIe backplate and device to realize the integration and the miniaturization of system, and small, light in weight, the transportation of being convenient for is carried, has reduced operating personnel's work load, plays important role in the radar guarantee.
Drawings
Fig. 1 is a schematic block diagram of a testing system of a universal automatic tester according to an embodiment of the present invention;
fig. 2 is a first schematic diagram of an internal structure of a case of the universal automatic tester provided in an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal structure of a case of the general automatic tester provided in an embodiment of the present invention;
fig. 4 is a schematic external view of a universal automatic tester according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the external dimensions of the universal automatic tester provided according to the embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 5, the utility model provides a general automatic tester, including PXIe controller 1, signal source 3, spectrometer 2, oscilloscope 5, target simulator 4, automatic temperature control system 6, PXIe backplate 9, keyboard 12, display screen 11, electrical power generating system 10 and quick-witted case; the PXIe controller 1, the target simulator 4, the signal source 3, the oscilloscope 5, the spectrometer 2 and the automatic temperature control system 6 are arranged on the PXIe backboard 9, and the PXIe controller 1, the signal source 3, the spectrometer 2, the oscilloscope 5, the target simulator 4, the automatic temperature control system 6 and the PXIe backboard 9 are all arranged in the case.
The accessory of the tester also comprises a keyboard 12, a display screen 11 and a power supply system 10, wherein the keyboard 12 and the display screen 11 are arranged on the outer wall of the case, electrically connected with the PXIe controller 1 and used for displaying and controlling the PXIe controller 1; the power system 10 is disposed at the bottom of the chassis, electrically connected to the PXIe backplane 9, and configured to supply power to the system.
The accessories of the tester also comprise cables, attenuators, adapters such as SMA, horn antennas and the like required by the test.
In order to realize characteristics such as this test system's miniaturization, portable, shock resistance height, heat dispersion are good and high reliability, the utility model discloses following design has been done in the design of quick-witted case:
in the selection of the case material, a 6063 aluminum alloy material which is light in weight, high in hardness, high in electric conduction and heat dissipation performance and suitable for the aerospace industry is selected;
in the case heat dissipation design, the following measures are mainly adopted:
the machine box adopts a high-performance air-cooling heat dissipation design, an air inlet is formed in the upper surface of the machine box, an air outlet is formed in the rear surface of the machine box, 4 12V high-power direct-current fans 7 are installed in the rear surface of the machine box, and the noise of the whole machine is not more than 55 dB;
the direct current fan 7 sends cold air into the card inserting area from the ventilation hole of the upper panel of the chassis, takes away heat generated by the card and exhausts the cold air from the ventilation hole of the rear panel of the chassis;
according to the power consumption and layout of each board card, the model selection fan is calculated scientifically and reasonably, and the noise of equipment is reduced to the minimum on the basis of ensuring heat dissipation;
the machine case fully considers the influence on heat dissipation in structural design, reasonably designs to reduce wind resistance on the basis of ensuring various index requirements of the machine case, fully considers air duct blind areas possibly existing among various structural accessories and sectional materials, and ensures that enough ventilation and heat dissipation exist in the working and running process of each board card.
For carrying convenience, when the chassis is designed, considering that the chassis can be placed in a draw-bar box, the chassis is preferably designed with the following dimensions: 467 mm. times.211 mm. times.348 mm (error. + -. 2 mm).
For the PXIe backplane 9, in order to meet the requirement of being able to be installed in a portable chassis with a small volume and simultaneously meet the requirement of various high-processing-capacity application software, an 18-slot 3U backplane is adopted, which comprises 6 PXI slots, 8 PXIe slots and 4 PXI Express hybrid slots capable of accepting PXI and PXI Express peripheral modules.
The utility model discloses designed automatic temperature control system 6 to integrated form tester, because the operational environment of PXIe signal source, spectrometer, the oscilloscope module that adopt in this system is between 0 ℃ - +70 ℃, should this in order to make general automatic tester can adapt to the operational environment in army's outfield, added automatic temperature control system in the case.
The automatic temperature control system comprises the following components in percentage by weight:
the automatic temperature control system mainly comprises a temperature sensor, a relay, a heater 8 and a single chip microcomputer acquisition and control system, wherein the temperature control system acquires and uploads the ambient temperature in a case to the single chip microcomputer system through the DS18B20 temperature sensor, and the single chip microcomputer system determines whether the heater works or not by controlling the on-off of the relay. When the ambient temperature in the case is lower than 5 ℃, the single chip microcomputer system controls the relay to be in a closed state, so that the heater is in a heating state, and the heating indicator lamp on the right side of the case is lightened to indicate that the system is in the heating state; when the ambient temperature in the case is higher than 10 ℃, the single chip microcomputer system controls the relay to be in an open state, so that the heater can be in an out-of-operation state, the heating indicator lamp on the right side of the case can be turned off, and the system is in an unheated state.
The increase of the automatic temperature control system enables the equipment to meet the outfield work requirements of the army in different areas and under different environmental temperature conditions, and greatly improves the outfield guarantee and fault clearing capability of the army.
The PXIe controller 1, the signal source 3, the frequency spectrograph 2, the oscilloscope 5 and the target simulator 4 are designed based on the PXIe backboard 9, and existing products can be directly purchased for assembly.
The PXIe controller 1 is a control part of the system and is also a platform of system software. Each PXIe instrument can be controlled through the PXIe controller 1, and the PXIe instrument and the instrument can communicate with an airborne radar, so that the whole depth detection project can be tested.
The target simulator 4 completes the simulation of the radar target echo signal. The main technical indexes are as follows:
bus interface: PXIe standard
The number of the slots: not more than 4 grooves
The working frequency range is as follows: x frequency band
Target motion parameters: a distance of 1-400 km and a speed of-1200 m/s to +1200m/s
Echo signal level: 0dBm (maximum power)
The signal source 3 provides a standard signal for the test process, and can be matched with a frequency spectrograph to perform system self-check and the like.
The oscilloscope 5 realizes the measurement of the relevant video pulse signals of the tested equipment, the module has dual-channel acquisition capacity, different impedances can be set, and more than 50 built-in measurement functions can be called through programming software.
The oscilloscope configuration parameters are as follows:
sampling clock 250MHz
Maximum input signal bandwidth of 125MHz
On-board memory 8MB
The input voltage range is 40 mV-40V
The spectrometer 2 is used for measuring frequency and power parameters of various radio frequency and microwave signals.
The utility model discloses machine carries general tester of radar has integrated modular signal source, frequency spectrograph, oscilloscope and target simulation ware, does not need the original equipment of army, and the user also can use machine carries general tester of radar as solitary signal source, frequency spectrograph, oscilloscope and target simulation ware simultaneously to use in other detection projects.
The following compares the number of devices, volume, weight, environmental conditions, etc. with conventional tests to illustrate the improvements of the present invention.
TABLE 1 tradition equipment AND the utility model discloses equipment contrast table
Because the utility model discloses a PXIe backplate formula is integrated, data transmission between each test module is also faster to the total test time that has significantly reduced.
The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.
Claims (6)
1. A universal automatic tester is characterized by comprising a chassis, wherein a PXIe backboard is arranged in the chassis, and a PXIe controller, a target simulator, a signal source, an oscilloscope, a frequency spectrograph and an automatic temperature control system are integrated on the PXIe backboard;
the universal automatic tester also comprises a keyboard, a display screen and a power supply system;
the keyboard and the display screen are arranged on the outer wall of the case, are electrically connected with the PXIe controller and are used for displaying and controlling the PXIe controller;
the power supply system is arranged in the case, is electrically connected with the PXIe backboard and is used for supplying power to the system.
2. The universal automatic tester according to claim 1, wherein the automatic temperature control system comprises a temperature sensor, a relay, a heater and a single chip microcomputer;
the temperature sensor is used for collecting and uploading the ambient temperature in the case to the single chip microcomputer;
the single chip microcomputer is used for judging the collected temperature and the set temperature threshold value and sending an on-off signal to the relay according to the judgment result; the relay is connected with the heater, and the work of the heater is controlled by the on-off of the relay.
3. The universal automatic tester as claimed in claim 1, wherein the PXIe backplane is an 18-slot 3U backplane, and comprises 6 PXI slots, 8 PXIe slots, and 4 PXI Express hybrid slots capable of receiving PXI and PXI Express peripheral modules.
4. The universal automatic tester of claim 1, wherein the case is made of aluminum alloy material.
5. The universal automatic tester of claim 1, wherein the top of the case is provided with an air inlet, the rear of the case is provided with an air outlet, and at least one fan is arranged in the case corresponding to the air outlet.
6. The universal automatic test instrument according to claim 1, wherein the cabinet has outer dimensions of 467mm x 211mm x 348 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161879.3U CN214669566U (en) | 2021-01-21 | 2021-01-21 | Universal automatic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161879.3U CN214669566U (en) | 2021-01-21 | 2021-01-21 | Universal automatic tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214669566U true CN214669566U (en) | 2021-11-09 |
Family
ID=78517687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120161879.3U Active CN214669566U (en) | 2021-01-21 | 2021-01-21 | Universal automatic tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214669566U (en) |
-
2021
- 2021-01-21 CN CN202120161879.3U patent/CN214669566U/en active Active
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