CN216696508U - CS101 and CS106 test device suitable for three-phase triangle-shaped power supply - Google Patents
CS101 and CS106 test device suitable for three-phase triangle-shaped power supply Download PDFInfo
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- CN216696508U CN216696508U CN202123341368.9U CN202123341368U CN216696508U CN 216696508 U CN216696508 U CN 216696508U CN 202123341368 U CN202123341368 U CN 202123341368U CN 216696508 U CN216696508 U CN 216696508U
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Abstract
The utility model discloses a CS101 and CS106 test device suitable for three-phase triangular power supply, which changes the original circuit connection, and is added with an L1 phase program control module, an L2 phase program control module, an L3 phase program control module, an L3 phase monitoring switching module, a first program control module, a second program control module and a third program control module to form an electrical uninterrupted switching circuit, so that EUT equipment (tested equipment) is not influenced by the secondary internal inductance and resistance of a coupling transformer when being switched into an EUT end for starting, and the normal work of the test is ensured. In addition, the utility model provides a visual wiring port, thereby facilitating the connection of each module and greatly improving the test efficiency.
Description
Technical Field
The utility model relates to the technical field of sound boxes, in particular to a CS101 and CS106 test device suitable for three-phase triangular power supply.
Background
The GJB151 series standards (including GJB151A-97, GJB152A-97 and GJB151B-2013) prescribe electromagnetic emission and sensitivity requirements and test methods for military electronic, electrical and electromechanical equipment and subsystems, including 21 requirements in four categories of conducted emission, conducted sensitivity, radiated emission and radiated sensitivity, and provide corresponding test methods. The standard is an electromagnetic compatibility basic standard universal for the three military, is suitable for demonstration, design, production, test and ordering of military equipment and subsystems, and provides an electromagnetic compatibility design and acceptance basis for development and ordering units.
The CS101 (power line conducted sensitivity) is a necessary item in the GJB151 standard, the CS106 (power line spike conducted sensitivity) is widely applicable to platform devices, and many aircraft platform device ordering parties may also make a request as a necessary item, but the tests of the CS101 and CS106 items have the following disadvantages:
1) the coupling end of the coupling transformer used in the test project had a minimum resistance of 0.5 ohms and an inductance of 600 uH. For a high-power EUT (such as 10A), due to the series connection of the coupling transformer, the 0.5 ohm internal resistance generates voltage drop, and the EUT cannot work when the voltage drop is too large; the inductor of the coupling coil of 600uH may resonate with the EUT filter circuit, so that the EUT cannot work and the test cannot be carried out.
2) At present, CS101 and CS106 project test equipment (such as LISN, 3 capacitors of 10uF, a coupling transformer, an oscilloscope voltage probe and the like) are independent devices, need to be electrically connected respectively during testing, have a plurality of wiring terminals and manual wiring, and have great electrical safety risk due to the fact that wiring ports of the equipment are inconsistent.
3) Three high potential lines need to be tested in sequence in three-phase triangle power supply EUT, CS101 and CS106 projects, equipment is required to be powered off in each test, then the lines are connected again, the repeated wiring amount is large, and the test efficiency is low.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a CS101 and CS106 test device suitable for three-phase triangular power supply, which can ensure the safety of the test and improve the test efficiency so that the test is smoothly carried out.
In order to realize the purpose, the technical scheme provided by the utility model is as follows:
a CS101 and CS106 test device suitable for three-phase triangular power supply comprises a coupling transformer, an LISN, a first oscilloscope, a first 10uF capacitor, a second 10uF capacitor, a third 10uF capacitor, an isolation transformer, a power amplifier, a signal generator, a second oscilloscope, a calibration resistor and a spike signal generator, and is characterized by further comprising a circuit board;
the circuit board is provided with an LISN end, an EUT end, a monitoring reference port, an injection monitoring port, a calibration port, an injection signal port, an L1 phase program control module, an L2 phase program control module, an L3 phase program control module, an L3 phase monitoring switching module, a first program control module, a second program control module and a third program control module;
an L1 port, an L2 port and an L3 port of the LISN end are respectively connected with an L1 high-potential line, an L2 high-potential line and an L3 high-potential line;
the first 10uF capacitor is connected between the L1 high potential line and the L2 high potential line; the second 10uF capacitor is connected between the L2 high potential line and the L3 high potential line; a third 10uF capacitor is connected between the L1 high potential line and the L3 high potential line;
the L1 port of the EUT end is connected with the L1 port of the LISN end through an L1 phase program control module; the L2 port of the EUT end is connected with the L2 port of the LISN end through an L2 phase program control module; the L3 port of the EUT end is connected with the L3 port of the LISN end through an L3 phase program control module;
the second program control module is connected with an L1 port of the EUT end through an L1 phase program control module and is connected with an L2 port of the EUT end through an L2 phase program control module;
the third program control module is connected with the calibration port and is connected with an L3 port of the EUT end through an L3 phase program control module;
the first program control module is respectively connected with the second program control module, the third program control module, the injection monitoring port and the injection signal port;
the monitoring reference port is respectively connected with the L2 phase program control module and the L3 phase program control module through an L3 phase monitoring switching module;
the LISN is connected between the LISN end and a power supply;
the first oscilloscope is respectively connected with the monitoring reference port and the injection monitoring port, and the isolation transformer is connected with the first oscilloscope;
the second oscilloscope and the calibration resistor are both connected with the calibration port;
the injection signal port is connected with one end of the coupling transformer or the spike signal generator;
and the signal generator is connected with the other end of the coupling transformer through a power amplifier.
Furthermore, the device also comprises a shell, wherein a plurality of mounting holes matched with the LISN end, the EUT end, the monitoring reference port, the injection monitoring port and the calibration port are formed in the shell;
the circuit board, the first 10uF capacitor, the second 10uF capacitor and the third 10uF capacitor are all arranged in the shell, and the LISN end, the EUT end, the monitoring reference port, the injection monitoring port and the calibration port penetrate through the corresponding mounting holes and penetrate out of the shell;
the LISN, the first oscilloscope, the isolation transformer, the power amplifier, the signal generator, the second oscilloscope, the calibration resistor, the coupling transformer and the spike signal generator are all externally arranged outside the shell; the LISN, the first oscilloscope, the second oscilloscope, the calibration resistor, the coupling transformer and the spike signal generator are connected with corresponding ports.
Furthermore, the L1 phase program control module, the L2 phase program control module, the L3 phase program control module, the L3 phase monitoring switching module, the first program control module, the second program control module, and the third program control module are all relays.
Furthermore, the EUT end adopts an elastic binding post.
Compared with the prior art, the technical scheme has the following principles and advantages:
1) the technical scheme changes the original circuit connection, and adds the L1 phase program control module, the L2 phase program control module, the L3 phase program control module, the L3 phase monitoring switching module, the first program control module, the second program control module and the third program control module to form an electrical uninterrupted switching circuit, so that the EUT equipment (tested equipment) is not influenced by the secondary internal inductance and resistance of the coupling transformer when being switched into the EUT end for starting, and the normal work of the test can be guaranteed.
2) This technical scheme provides audio-visual wiring port, makes things convenient for the connection of each module, has improved experimental efficiency greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the services required for the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a switching circuit in a CS101 and CS106 test apparatus suitable for three-phase triangular power supply according to the present invention;
FIG. 2 is a schematic configuration diagram (with the housing omitted) of a CS101 and CS106 test device suitable for three-phase triangular power supply in the calibration CS101 test of the utility model;
FIG. 3 is a schematic configuration diagram (with the housing omitted) of a CS101 and CS106 testing device suitable for three-phase triangular power supply according to the present invention when performing a CS101 test (for measuring the L1 phase);
FIG. 4 is a schematic configuration diagram (with the housing omitted) of a CS101 and CS106 testing device suitable for three-phase triangular power supply according to the present invention when performing a CS101 test (for measuring the L2 phase);
FIG. 5 is a schematic configuration diagram (with the housing omitted) of a CS101 and CS106 testing device suitable for three-phase triangular power supply according to the present invention when performing a CS101 test (for measuring the L3 phase);
FIG. 6 is a schematic configuration diagram (with the housing omitted) of a CS106 test device (for measuring L1 phase) suitable for three-phase triangle power supply of the present invention for performing CS106 test;
FIG. 7 is a schematic configuration diagram (with the housing omitted) of a CS106 test device (for measuring L2 phase) suitable for three-phase triangle power supply of the present invention for performing CS106 test;
FIG. 8 is a schematic configuration diagram (with the housing omitted) of a CS106 test device (for measuring L3 phase) suitable for three-phase triangle power supply of the present invention for performing CS106 test;
fig. 9 is a control circuit diagram of a CS101 and CS106 testing apparatus suitable for three-phase delta power supply according to the present invention.
Reference numerals:
1-a coupling transformer; 2-LISN; 3-a first oscilloscope; 4-a first 10uF capacitance; 5-a second 10uF capacitance; 6-third 10uF capacitance; 7-an isolation transformer; 8-a power amplifier; 9-a signal generator; 10-a second oscilloscope; 11-calibrating the resistance; 12-spike generator.
Detailed Description
The utility model will be further illustrated with reference to specific examples:
the CS101 and CS106 test apparatus suitable for three-phase triangular power supply described in this embodiment includes a coupling transformer 1, an LISN2 (line impedance stabilization network device), a first oscilloscope 3, a first 10uF capacitor 4, a second 10uF capacitor 5, a third 10uF capacitor 6, an isolation transformer 7, a power amplifier 8, a signal generator 9, a second oscilloscope 10, a calibration resistor 11, a spike signal generator 12, and a circuit board;
as shown in fig. 1, the circuit board is provided with an LISN end, an EUT end, a monitoring reference port, an injection monitoring port, a calibration port, an injection signal port, an L1 phase program control module, an L2 phase program control module, an L3 phase program control module, an L3 phase monitoring switching module, a first program control module, a second program control module, and a third program control module; an L1 port, an L2 port and an L3 port of the LISN end are respectively connected with an L1 high potential line, an L2 high potential line and an L3 high potential line; the first 10uF capacitor is connected between the L1 high potential line and the L2 high potential line; the second 10uF capacitor is connected between the L2 high potential line and the L3 high potential line; a third 10uF capacitor is connected between the L1 high potential line and the L3 high potential line; the L1 port of the EUT end is connected with the L1 port of the LISN end through an L1 phase program control module; the L2 port of the EUT end is connected with the L2 port of the LISN end through an L2 phase program control module; the L3 port of the EUT end is connected with the L3 port of the LISN end through an L3 phase program control module; the second program control module is connected with an L1 port of the EUT end through an L1 phase program control module and is connected with an L2 port of the EUT end through an L2 phase program control module; the third program control module is connected with the calibration port and is connected with an L3 port of the EUT end through an L3 phase program control module; the first program control module is respectively connected with the second program control module, the third program control module, the injection monitoring port and the injection signal port; the monitoring reference port is respectively connected with the L2 phase program control module and the L3 phase program control module through the L3 phase monitoring switching module;
specifically, in this embodiment, the apparatus further includes a housing, and the housing is provided with a plurality of mounting holes adapted to the LISN end, the EUT end, the monitoring reference port, the injection monitoring port, and the calibration port; the circuit board and the module arranged on the circuit board, the first 10uF capacitor 4, the second 10uF capacitor 5 and the third 10uF capacitor 6 are all arranged in the shell, and the LISN end, the EUT end, the monitoring reference port, the injection monitoring port and the calibration port penetrate through the corresponding mounting holes and penetrate out of the shell.
Specifically, in this embodiment, the LISN2, the first oscilloscope 3, the isolation transformer 7, the power amplifier 8, the signal generator 9, the second oscilloscope 10, the calibration resistor 11, the coupling transformer 1, and the spike generator 12 are also externally disposed outside the housing, wherein the LISN2 is connected between the LISN terminal and the power supply; the first oscilloscope 3 is connected with a monitoring reference port and an injection monitoring port, and the isolation transformer 7 is connected with the first oscilloscope 3; the second oscilloscope 10 and the calibration resistor 11 are both connected with the calibration port;
specifically, in this embodiment, the L1 phase program control module, the L2 phase program control module, the L3 phase program control module, the L3 phase monitoring switching module, the first program control module, the second program control module, and the third program control module are all relays. The EUT end adopts an elastic wiring terminal.
The working principle of the embodiment is as follows:
when CS101 test calibration needs to be performed, the coupling transformer 1 is connected to an injection signal port, the signal generator 9 is connected with the coupling transformer 1 through the power amplifier 8, the first program control module is adjusted to be in an attraction-disconnection state, the third program control module is adjusted to be in an attraction-disconnection state, so that the second oscilloscope 10 and the calibration resistor 11 are connected with a circuit, and the L1 phase program control module, the L2 phase program control module and the L3 phase program control module are in the attraction-disconnection state, which is specifically shown in fig. 2.
When a CS101 test (power line conduction sensitivity test) is required, an EUT device is accessed at the EUT end; a coupling transformer 1 is connected to the injection signal port, and a signal generator 9 is connected with the coupling transformer 1 through a power amplifier 8; the EUT equipment is accessed to an EUT end; the LISN2 is connected between the LISN end and the power supply; the first oscilloscope 3 is respectively connected with a monitoring reference port and an injection monitoring port, and the isolation transformer 7 is connected with the first oscilloscope 3; if the L1 phase is detected, the first program control module is adjusted to be in an off-pull state, the second program control module is adjusted to be in a pull-off state, and the L1 phase program control module is adjusted to be in an off-pull state, as shown in FIG. 3. If the L2 phase is detected, the first program control module is adjusted to be in an off-in-close state, the second program control module is adjusted to be in an off-in-close state, and the L2 phase program control module is adjusted to be in an off-in-close state, as shown in FIG. 4. If the L3 phase is detected, the first program control module is adjusted to be in an on-off state, the third program control module is adjusted to be in an off-on state, and the L3 phase program control module is adjusted to be in an off-on state, as shown in FIG. 5.
When a CS106 test (power line spike signal conduction sensitivity test) is required, EUT equipment is accessed at an EUT end, and a spike signal generator 12 is accessed at an injection signal port; the EUT equipment is accessed to an EUT end; the LISN2 is connected between the LISN end and the power supply; the first oscilloscope 3 is respectively connected with a monitoring reference port and an injection monitoring port, and the isolation transformer 7 is connected with the first oscilloscope 3; if the L1 phase is detected, the first program control module is adjusted to be in an off-pull state, the second program control module is adjusted to be in a pull-off state, and the L1 phase program control module is adjusted to be in an off-pull state, as shown in FIG. 6. If the L2 phase is detected, the first program control module is adjusted to be in an off-in-close state, the second program control module is adjusted to be in an off-in-close state, and the L2 phase program control module is adjusted to be in an off-in-close state, as shown in FIG. 7. If the L3 phase is detected, the first program control module is adjusted to be in an on-off state, the third program control module is adjusted to be in an off-on state, and the L3 phase program control module is adjusted to be in an off-on state, as shown in FIG. 8.
In the above, the control of the L1 phase program control module, the L2 phase program control module, the L3 phase program control module, the L3 phase monitoring switching module, the first program control module, the second program control module, and the third program control module is implemented by a control circuit, which is shown in fig. 9 and specifically includes the following steps:
the control circuit comprises a rotary switch (a switch, a plurality of switches), a first time delay 1S relay, an L1 phase power-down delay relay, a one-way linkage relay, a second time delay 1S relay, an L2 phase power-down delay relay, a third time delay 1S relay and an L3 phase power-down delay relay besides an L1 phase program control module, an L2 phase program control module, an L3 phase program control module, an L3 phase monitoring switching module, a first program control module, a second program control module and a third program control module. The rotary switches comprise an L1 measuring switch, an L2 measuring switch, an L3 measuring switch, a calibration switch and through 1, 2, 3 and 4 switches; the first time delay 1S relay is arranged between an L1 switch and an L1 successive electric appliance (L1 phase program control module); the L1 phase power failure delay relay is arranged between the L1 switch and the first program control module (first relay); the second time delay 1S relay is arranged between the L2 switch and the L2 successive electric appliance (L2 phase program control module); the L2 phase power failure delay relay is arranged between the L2 switch and the second program control module (second relay); the third time delay 1S relay is arranged between the L3 switch and the L3 sequential electric appliance (L3 phase program control module); the L3 phase power failure delay relay is arranged between the L3 switch and a third program control module (a third relay); the L3 phase monitoring switching module is linked with the L3 successive electric appliance (L3 phase program control module). The present embodiment controls the testing of multiple passes by rotating the switch.
In this embodiment, the original circuit connection is changed, and an L1 phase program control module, an L2 phase program control module, an L3 phase program control module, an L3 phase monitoring switching module, a first program control module, a second program control module, and a third program control module are added to form an electrical uninterrupted switching circuit, so that the EUT device (device under test) is not affected by the secondary internal inductance and resistance of the coupling transformer when being connected to the EUT terminal for starting, thereby ensuring that the EUT device can normally work in the test.
This embodiment is through audio-visual wiring port, makes things convenient for the connection of each module, has improved experimental efficiency greatly.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that variations based on the shape and principle of the present invention should be covered within the scope of the present invention.
Claims (4)
1. A CS101 and CS106 test device suitable for three-phase triangular power supply comprises a coupling transformer, an LISN, a first oscilloscope, a first 10uF capacitor, a second 10uF capacitor, a third 10uF capacitor, an isolation transformer, a power amplifier, a signal generator, a second oscilloscope, a calibration resistor and a spike signal generator, and is characterized by further comprising a circuit board;
the circuit board is provided with an LISN end, an EUT end, a monitoring reference port, an injection monitoring port, a calibration port, an injection signal port, an L1 phase program control module, an L2 phase program control module, an L3 phase program control module, an L3 phase monitoring switching module, a first program control module, a second program control module and a third program control module;
an L1 port, an L2 port and an L3 port of the LISN end are respectively connected with an L1 high-potential line, an L2 high-potential line and an L3 high-potential line;
the first 10uF capacitor is connected between the L1 high potential line and the L2 high potential line; the second 10uF capacitor is connected between the L2 high potential line and the L3 high potential line; a third 10uF capacitor is connected between the L1 high potential line and the L3 high potential line;
the L1 port of the EUT end is connected with the L1 port of the LISN end through an L1 phase program control module; the L2 port of the EUT end is connected with the L2 port of the LISN end through an L2 phase program control module; the L3 port of the EUT end is connected with the L3 port of the LISN end through an L3 phase program control module;
the second program control module is connected with an L1 port of the EUT end through an L1 phase program control module and is connected with an L2 port of the EUT end through an L2 phase program control module;
the third program control module is connected with the calibration port and is connected with an L3 port of the EUT end through an L3 phase program control module;
the first program control module is respectively connected with the second program control module, the third program control module, the injection monitoring port and the injection signal port;
the monitoring reference port is respectively connected with the L2 phase program control module and the L3 phase program control module through an L3 phase monitoring switching module;
the LISN is connected between the LISN end and a power supply;
the first oscilloscope is respectively connected with the monitoring reference port and the injection monitoring port, and the isolation transformer is connected with the first oscilloscope;
the second oscilloscope and the calibration resistor are both connected with the calibration port;
the injection signal port is connected with one end of the coupling transformer or the spike signal generator;
and the signal generator is connected with the other end of the coupling transformer through a power amplifier.
2. The CS101 and CS106 testing device suitable for three-phase delta power supply of claim 1, further comprising a housing, wherein the housing is provided with a plurality of mounting holes adapted to the LISN terminal, the EUT terminal, the monitoring reference port, the injection monitoring port and the calibration port;
the circuit board, the first 10uF capacitor, the second 10uF capacitor and the third 10uF capacitor are all arranged in the shell, and the LISN end, the EUT end, the monitoring reference port, the injection monitoring port and the calibration port penetrate through the corresponding mounting holes and penetrate out of the shell;
the LISN, the first oscilloscope, the isolation transformer, the power amplifier, the signal generator, the second oscilloscope, the calibration resistor, the coupling transformer and the spike signal generator are all externally arranged outside the shell; the LISN, the first oscilloscope, the second oscilloscope, the calibration resistor, the coupling transformer and the spike signal generator are connected with corresponding ports.
3. The apparatus of claims 1 or 2, wherein the L1 phase program control module, the L2 phase program control module, the L3 phase program control module, the L3 phase monitoring switching module, the first program control module, the second program control module, and the third program control module are all relays.
4. The apparatus for testing CS101 and CS106 suitable for three-phase delta power supply of claim 1 or 2, wherein the EUT terminal is a flexible terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123341368.9U CN216696508U (en) | 2021-12-28 | 2021-12-28 | CS101 and CS106 test device suitable for three-phase triangle-shaped power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123341368.9U CN216696508U (en) | 2021-12-28 | 2021-12-28 | CS101 and CS106 test device suitable for three-phase triangle-shaped power supply |
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| Publication Number | Publication Date |
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| CN216696508U true CN216696508U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123341368.9U Active CN216696508U (en) | 2021-12-28 | 2021-12-28 | CS101 and CS106 test device suitable for three-phase triangle-shaped power supply |
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| CN (1) | CN216696508U (en) |
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2021
- 2021-12-28 CN CN202123341368.9U patent/CN216696508U/en active Active
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