Multi-pulse interference simulator

Abstract

The utility model provides a multi-pulse interference simulator, which comprises a control unit, a pulse group generation unit, a surge generation unit, a pulse magnetic field generation unit, a voltage drop generation unit and an oscillation wave generation unit, the pulse group generation unit, the surge generation unit, the pulse magnetic field generation unit, the voltage drop generation unit and the oscillation wave generation unit are electrically connected with the control unit. The multi-pulse interference simulator provided by the utility model can meet various test requirements, reduce the size of the multi-pulse interference simulator, facilitate the transfer of the multi-pulse interference simulator in different test environments, effectively reduce the test cost, and improve the test efficiency. The control unit can control the pulse group generation unit, the surge generation unit, the pulse magnetic field generation unit, the voltage drop generation unit and the oscillation wave generation unit, use is more convenient, test safety is fully guaranteed, and the reliability of the multi-pulse interference simulator is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnetic compatibility test technical field especially relates to multi pulse interference simulator. BACKGROUND

[0002] Electromagnetic compatibility immunity test is mainly applied to spare parts, AC and DC power supply port, communication port and other equipment. The traditional electromagnetic compatibility immunity simulator is often single function, cannot satisfy the diversity test demand, if uses multiple test equipment to test respectively, can cause test cost is high, efficiency is low, test transfer difficult problem, multiple test equipment cannot realize systematic man-machine interaction, leads to test manpower cost and time cost increase, reduces test efficiency simultaneously. UTILITY MODEL CONTENT

[0003] The utility model aims at providing multi pulse interference simulator, can solve one or more of above technical problems.

[0004] According to one aspect of the utility model, provide multi pulse interference simulator, including control unit, pulse group generating unit, surge generating unit, pulse magnetic field generating unit, voltage drop generating unit and oscillation wave generating unit, pulse group generating unit, surge generating unit, pulse magnetic field generating unit, voltage drop generating unit and oscillation wave generating unit are electrically connected with control unit respectively, pulse group generating unit is used to produce electric fast transient pulse wave, surge generating unit is used to produce surge pulse wave, pulse magnetic field generating unit is used to produce pulse magnetic field, voltage drop generating unit is used to simulate voltage mutation, oscillation wave generating unit is used to produce oscillation wave.

[0005] In some embodiments, the control unit adopts a single-chip microcomputer with model STM32F427ZGT6.

[0006] In some embodiments, the pulse group generating unit includes resistors R1, R2, R3, capacitors C1, C2 and a switch K1A. The positive supply voltage HV+ is connected to the resistors R1, the switch K1A, the resistor R2 and the capacitor C1 in sequence, and then connected to the output end of the pulse group generating unit. The end of the switch K1A close to the positive supply voltage HV+ is connected to the negative supply voltage HV- through the capacitor C2. The end of the switch K1A away from the positive supply voltage HV+ is connected to the negative supply voltage HV- through the resistor R3. The negative supply voltage HV- is grounded.

[0007] In some embodiments, the surge generation unit includes resistors R4, R5, R6, R7, capacitor C3, inductor L1, and switch K2A, the positive supply voltage terminal HV+ is connected to the surge generation unit in sequence through resistor R4, switch K2A, resistor R5, and inductor L1, the first output terminal of the surge generation unit, one end of switch K2A close to the positive supply voltage terminal HV+ is connected to the negative supply voltage terminal HV- through capacitor C3, one end of switch K2A away from the positive supply voltage terminal HV+ is connected to the negative supply voltage terminal HV- through resistor R6, the negative supply voltage terminal HV- is connected to the second output terminal of the surge generation unit, and resistor R7 is connected between the first output terminal and the second output terminal of the surge generation unit.

[0008] In some embodiments, the pulse magnetic field generation unit includes resistors R8, R9, R10, R11, capacitors C4, C5, and switch K3A, the positive supply voltage terminal HV+ is connected to the pulse magnetic field generation unit in sequence through resistor R8, switch K3A, resistor R9, and resistor R10, the third output terminal of the pulse magnetic field generation unit, one end of switch K3A close to the positive supply voltage terminal HV+ is connected to the negative supply voltage terminal HV- through capacitor C4, one end of switch K3A away from the positive supply voltage terminal HV+ is connected to the negative supply voltage terminal HV- through resistor R11, one end of resistor R10 away from the third output terminal of the pulse magnetic field generation unit is connected to the fourth output terminal of the pulse magnetic field generation unit through capacitor C5, and the negative supply voltage terminal HV- is connected to the fourth output terminal of the pulse magnetic field generation unit.

[0009] In some embodiments, the voltage sag generation unit includes switches K4A and K5A, the first phase line is connected to the fifth output terminal of the voltage sag generation unit through switch K4A, the second phase line is connected to the fifth output terminal of the voltage sag generation unit through switch K5A, and the neutral line is connected to the sixth output terminal of the voltage sag generation unit.

[0010] In some embodiments, the oscillating wave generation unit includes resistors R12, R13, R14, inductor L2, capacitors C6, C7, and switch K6A, the positive supply voltage terminal HV+ is connected to the oscillating wave generation unit in sequence through resistor R12, switch K6A, resistor R13, and resistor R14, the seventh output terminal of the oscillating wave generation unit, one end of switch K6A close to the positive supply voltage terminal HV+ is connected to the negative supply voltage terminal HV- through capacitor C6, one end of switch K6A away from the positive supply voltage terminal HV+ is connected to the negative supply voltage terminal HV- through inductor L2, one end of resistor R14 away from the seventh output terminal of the oscillating wave generation unit is connected to the eighth output terminal of the oscillating wave generation unit through capacitor C7, and the negative supply voltage terminal HV- is connected to the eighth output terminal of the oscillating wave generation unit.

[0011] In some embodiments, the input unit is electrically connected to the control unit, and the input unit is used for an operator to input instructions.

[0012] In some embodiments, the display unit is electrically connected to the control unit, and the display unit is used for displaying data and control states to an operator.

[0013] In some embodiments, the communication unit is electrically connected to the control unit, and the communication unit is used for communication with a PC.

[0014] In some embodiments, the man-machine interaction unit is used for an operator to input instructions and display data and control states to the operator.

[0015] The multi-pulse interference simulator can integrate the pulse group generating unit, the surge generating unit, the pulse magnetic field generating unit, the voltage drop generating unit and the oscillation wave generating unit in one device, can meet various testing requirements, reduce the volume of the multi-pulse interference simulator, facilitate the transfer of the multi-pulse interference simulator in different test environments, effectively reduce the testing cost, the control unit can control the pulse group generating unit, the surge generating unit, the pulse magnetic field generating unit, the voltage drop generating unit and the oscillation wave generating unit, is more convenient to use, fully guarantees the test safety, and greatly improves the reliability of the multi-pulse interference simulator.

[0016] In addition, in the technical scheme of the utility model, any unexplained part can be realized by using conventional means in the field. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0018] Figure 1 The structural schematic diagram of the multi-pulse interference simulator provided by an embodiment of the utility model is shown.

[0019] Figure 2 The circuit diagram of the pulse group generating unit of the multi-pulse interference simulator provided by an embodiment of the utility model is shown.

[0020] Figure 3 The circuit diagram of the surge generating unit of the multi-pulse interference simulator provided by an embodiment of the utility model is shown.

[0021] Figure 4The utility model provides a circuit diagram of the pulse magnetic field generating unit of the multi pulse interference simulator of an embodiment of the utility model.

[0022] Figure 5 The utility model provides a circuit diagram of the voltage drop generating unit of the multi pulse interference simulator of an embodiment of the utility model.

[0023] Figure 6 The utility model provides a circuit diagram of the oscillation wave generating unit of the multi pulse interference simulator of an embodiment of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely below with the drawings in the embodiment of the utility model, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor all belong to the range of protection of the utility model.

[0025] EMBODIMENT

[0026] In the embodiment, the reference specification attached Figures 1-6 , provides multi pulse interference simulator, including control unit 1, pulse group generating unit 2, surge generating unit 3, pulse magnetic field generating unit 4, voltage drop generating unit 5, oscillation wave generating unit 6, input unit 7, display unit 8 and communication unit 9.

[0027] Wherein, pulse group generating unit 2, surge generating unit 3, pulse magnetic field generating unit 4, voltage drop generating unit 5, oscillation wave generating unit 6, input unit 7, display unit 8 and communication unit 9 are electrically connected with control unit 1 respectively.

[0028] Control unit 1 controls the circuit of pulse group generating unit 2, and generates electric fast transient pulse wave.

[0029] Control unit 1 controls the circuit of surge generating unit 3, and generates surge pulse wave.

[0030] Control unit 1 controls the circuit of pulse magnetic field generating unit 4, and generates pulse magnetic field.

[0031] Control unit 1 controls the circuit of voltage drop generating unit 5, simulates voltage mutation, satisfies voltage sag, short-time interruption and voltage variation immunity test.

[0032] Control unit 1 controls the circuit of oscillation wave generating unit 6, and generates oscillation wave.

[0033] The input unit 7 is used for inputting instructions by an operator, and the control unit 1 analyzes the instructions input by the operator through the input unit 7 and controls other units.

[0034] The display unit 8 is used for displaying data and control states to the operator, for example, displaying running data, running states and options of parameter or state settings of the multi-pulse interference simulator to the operator.

[0035] The communication unit 9 is used for communicating with a PC, and the operator can control the multi-pulse interference simulator through the PC to ensure the safety of the experiment.

[0036] In the optional embodiment, the control unit 1 adopts a single-chip microcomputer with a model of STM32F427ZGT6.

[0037] In the optional embodiment, the pulse group generating unit 2 includes resistors R1, R2, R3, capacitors C1, C2 and a switch K1A, a positive HV+ of a power supply voltage is connected to the resistors R1, the switch K1A, the resistor R2 and the capacitor C1 in sequence, and then connected to an output end of the pulse group generating unit 2, one end of the switch K1A close to the positive HV+ of the power supply voltage is connected to a negative HV- of the power supply voltage through the capacitor C2, one end of the switch K1A away from the positive HV+ of the power supply voltage is connected to the negative HV- of the power supply voltage through the resistor R3, and the negative HV- of the power supply voltage is grounded.

[0038] In the optional embodiment, the surge generating unit 3 includes resistors R4, R5, R6, R7, a capacitor C3, an inductor L1 and a switch K2A, the positive HV+ of the power supply voltage is connected to the resistors R4, the switch K2A, the resistor R5 and the inductor L1 in sequence, and then connected to a first output end of the surge generating unit 3, one end of the switch K2A close to the positive HV+ of the power supply voltage is connected to the negative HV- of the power supply voltage through the capacitor C3, one end of the switch K2A away from the positive HV+ of the power supply voltage is connected to the negative HV- of the power supply voltage through the resistor R6, the negative HV- of the power supply voltage is connected to a second output end of the surge generating unit 3, and the resistors R7 are connected between the first output end and the second output end of the surge generating unit 3.

[0039] In an optional embodiment, the pulse magnetic field generating unit 4 comprises a resistor R8, a resistor R9, a resistor R10, a resistor R11, a capacitor C4, a capacitor C5 and a switch K3A, the positive supply voltage HV+ is connected to the resistor R8, the switch K3A, the resistor R9 and the resistor R10 in sequence, and then connected to the third output end of the pulse magnetic field generating unit 4, the end of the switch K3A close to the positive supply voltage HV+ is connected to the negative supply voltage HV- through the capacitor C4, the end of the switch K3A away from the positive supply voltage HV+ is connected to the negative supply voltage HV- through the resistor R11, the end of the resistor R10 away from the third output end of the pulse magnetic field generating unit 4 is connected to the fourth output end of the pulse magnetic field generating unit 4 through the capacitor C5, and the negative supply voltage HV- is connected to the fourth output end of the pulse magnetic field generating unit 4.

[0040] In an optional embodiment, the voltage drop generating unit 5 comprises a switch K4A and a switch K5A, the first phase line is connected to the switch K4A and then connected to the fifth output end of the voltage drop generating unit 5, the second phase line is connected to the switch K5A and then connected to the fifth output end of the voltage drop generating unit 5, and the neutral line is connected to the sixth output end of the voltage drop generating unit 5.

[0041] In an optional embodiment, the oscillating wave generating unit 6 comprises a resistor R12, a resistor R13, a resistor R14, an inductor L2, a capacitor C6, a capacitor C7 and a switch K6A, the positive supply voltage HV+ is connected to the resistor R12, the switch K6A, the resistor R13 and the resistor R14 in sequence, and then connected to the seventh output end of the oscillating wave generating unit 6, the end of the switch K6A close to the positive supply voltage HV+ is connected to the negative supply voltage HV- through the capacitor C6, the end of the switch K6A away from the positive supply voltage HV+ is connected to the negative supply voltage HV- through the inductor L2, the end of the resistor R14 away from the seventh output end of the oscillating wave generating unit 6 is connected to the eighth output end of the oscillating wave generating unit 6 through the capacitor C7, and the negative supply voltage HV- is connected to the eighth output end of the oscillating wave generating unit 6.

[0042] In an optional embodiment, the input unit 7 can be a key, which is arranged on the case of the multi-pulse interference simulator, so as to facilitate the operation of the operator.

[0043] In an optional embodiment, the display unit 8 can be a display screen, which is arranged on the case of the multi-pulse interference simulator, so as to facilitate the operator to read the data or the control state.

[0044] In an optional embodiment, the display unit 8 can further include indicator lights arranged on the cabinet of the multi-pulse interference simulator, the indicator lights are electrically connected with the control unit 1, and the indicator lights can be used to display the control state, for example, the indicator lights are arranged in five, respectively corresponding to the pulse group generating unit 2, the surge generating unit 3, the pulse magnetic field generating unit 4, the voltage drop generating unit 5 and the oscillation wave generating unit 6, when the corresponding unit works, the display lamp displays green light, when the corresponding unit does not work, the display lamp is off, and when the corresponding unit fails, the display lamp displays red light.

[0045] In an optional embodiment, the input unit 7 and the display unit 8 can be integrated into a man-machine interaction unit, and the man-machine interaction unit can be a touch display screen, and the operator can input instructions and read data and control states through the man-machine interaction unit.

[0046] The multi-pulse interference simulator can integrate the pulse group generating unit, the surge generating unit, the pulse magnetic field generating unit, the voltage drop generating unit and the oscillation wave generating unit in one device, generate five different interference waveforms, meet various test requirements, reduce the volume of the multi-pulse interference simulator, facilitate the transfer of the cabinet of the multi-pulse interference simulator in different test environments, have a simple circuit structure, effectively reduce the test cost, the control unit can control the pulse group generating unit, the surge generating unit, the pulse magnetic field generating unit, the voltage drop generating unit and the oscillation wave generating unit, and the use is more convenient, fully guarantees the test safety, and greatly improves the reliability of the multi-pulse interference simulator.

[0047] The above is only an optional embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model.

Claims

1. A multi-pulse jammer simulator, characterized by, The control unit (1), the pulse group generating unit (2), the surge generating unit (3), the pulsed magnetic field generating unit (4), the voltage drop generating unit (5) and the oscillating wave generating unit (6) are electrically connected with the control unit (1), The pulse group generating unit (2), the surge generating unit (3), the pulsed magnetic field generating unit (4), the voltage drop generating unit (5) and the oscillating wave generating unit (6) are electrically connected with the control unit (1), The pulse group generating unit (2) is used for generating electric fast transient pulse wave, The surge generating unit (3) is used for generating surge pulse wave, The pulsed magnetic field generating unit (4) is used for generating pulsed magnetic field, The voltage drop generating unit (5) is used for simulating voltage mutation, The oscillating wave generating unit (6) is used for generating oscillating wave.

2. The multi-pulse jammer simulator of claim 1, wherein, The control unit (1) adopts a single-chip microcomputer with a model of STM32F427ZGT6.

3. The multi-pulse jammer simulator of claim 1, wherein, The pulse group generating unit (2) includes resistors R1, R2, R3, capacitors C1, C2 and a switch K1A, a positive supply voltage HV+ is connected with the output end of the pulse group generating unit (2) in sequence through resistors R1, the switch K1A, resistor R2 and capacitor C1, one end of the switch K1A close to the positive supply voltage HV+ is connected with a negative supply voltage HV- through capacitor C2, one end of the switch K1A away from the positive supply voltage HV+ is connected with the negative supply voltage HV- through resistor R3, and the negative supply voltage HV- is grounded.

4. The multi-pulse jammer simulator of claim 1, wherein, The surge generating unit (3) includes resistors R4, R5, R6, R7, a capacitor C3, an inductor L1 and a switch K2A, the positive supply voltage HV+ is connected with the first output end of the surge generating unit (3) in sequence through resistors R4, the switch K2A, resistor R5 and the inductor L1, one end of the switch K2A close to the positive supply voltage HV+ is connected with the negative supply voltage HV- through capacitor C3, one end of the switch K2A away from the positive supply voltage HV+ is connected with the negative supply voltage HV- through resistor R6, the negative supply voltage HV- is connected with the second output end of the surge generating unit (3), and the first output end and the second output end of the surge generating unit (3) are connected with resistor R7.

5. The multi-pulse jammer simulator of claim 1, wherein, The pulsed magnetic field generating unit (4) includes resistors R8, R9, R10, R11, capacitors C4, C5 and a switch K3A, the positive supply voltage HV+ is connected with the third output end of the pulsed magnetic field generating unit (4) in sequence through resistors R8, the switch K3A, resistor R9 and resistor R10, one end of the switch K3A close to the positive supply voltage HV+ is connected with the negative supply voltage HV- through capacitor C4, one end of the switch K3A away from the positive supply voltage HV+ is connected with the negative supply voltage HV- through resistor R11, one end of resistor R10 away from the third output end of the pulsed magnetic field generating unit (4) is connected with the fourth output end of the pulsed magnetic field generating unit (4) through capacitor C5, and the negative supply voltage HV- is connected with the fourth output end of the pulsed magnetic field generating unit (4).

6. The multi-pulse jammer simulator of claim 1, wherein, The voltage drop generating unit (5) comprises a switch K4A and a switch K5A, the first phase line is connected with the fifth output end of the voltage drop generating unit (5) after being connected with the switch K4A, the second phase line is connected with the fifth output end of the voltage drop generating unit (5) after being connected with the switch K5A, and the neutral line is connected with the sixth output end of the voltage drop generating unit (5).

7. The multi-pulse jammer simulator of claim 1, wherein, The oscillation wave generating unit (6) comprises a resistor R12, a resistor R13, a resistor R14, an inductor L2, a capacitor C6, a capacitor C7 and a switch K6A, the positive pole of the power supply voltage HV+ is connected with the seventh output end of the oscillation wave generating unit (6) after being connected with the resistor R12, the switch K6A, the resistor R13 and the resistor R14 in sequence, one end of the switch K6A close to the positive pole of the power supply voltage HV+ is connected with the negative pole of the power supply voltage HV- through the capacitor C6, one end of the switch K6A away from the positive pole of the power supply voltage HV+ is connected with the negative pole of the power supply voltage HV- through the inductor L2, one end of the resistor R14 away from the seventh output end of the oscillation wave generating unit (6) is connected with the eighth output end of the oscillation wave generating unit (6) through the capacitor C7, and the negative pole of the power supply voltage HV- is connected with the eighth output end of the oscillation wave generating unit (6).

8. The multi-pulse jammer simulator of claim 1, wherein, The input unit (7) is electrically connected with the control unit (1), and is used for inputting instructions by an operator.

9. The multi-pulse jammer simulator of claim 1, wherein, The display unit (8) is electrically connected with the control unit (1), and is used for displaying data and control states to the operator.

10. The multi-pulse jammer simulator of claim 1, wherein, The communication unit (9) and the man-machine interaction unit are electrically connected with the control unit (1), the communication unit (9) is used for communicating with a PC, and the man-machine interaction unit is used for inputting instructions by the operator and displaying data and control states to the operator.

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