CN209417268U - A kind of parameter testing diagnostic machine of the pulse power - Google Patents

A kind of parameter testing diagnostic machine of the pulse power Download PDF

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Publication number
CN209417268U
CN209417268U CN201822084137.6U CN201822084137U CN209417268U CN 209417268 U CN209417268 U CN 209417268U CN 201822084137 U CN201822084137 U CN 201822084137U CN 209417268 U CN209417268 U CN 209417268U
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China
Prior art keywords
resistance
electrically connected
pulse power
diode
operational amplifier
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CN201822084137.6U
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Chinese (zh)
Inventor
张敏
许可
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Wuhan Huazhong Huachang Energy Electric Technology Co Ltd
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Wuhan Huazhong Huachang Energy Electric Technology Co Ltd
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Abstract

The utility model discloses a kind of parameter testing diagnostic machine of pulse power, including multiple recording units, each recording unit includes multiple recording circuits and digital signal processor, further includes measure plug-in equal and one-to-one with the recording element number, controller and controlling terminal;Multiple recording circuits of each recording unit are electrically connected with corresponding digital signal processor, the digital signal processor is electrically connected with corresponding measure plug-in, each measure plug-in passes through CAN bus respectively and is electrically connected with the controller, and the controller is electrically connected by CAN bus with the controlling terminal.The parameter detecting of the pulse power may be implemented in the utility model, and detection process will not impact the pulse power.

Description

A kind of parameter testing diagnostic machine of the pulse power
Technical field
The utility model relates to pulse power the field of test technology, and in particular to a kind of parameter testing diagnosis of the pulse power Machine.
Background technique
It is possible that failure in the pulse power course of work, if not detected to the running parameter of the pulse power It is difficult to grasp its state, and the parameter detecting of the pulse power will affect the normal work of the pulse power to a certain extent.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, provide a kind of parameter detecting diagnosis of pulse power Machine, running parameter detection hardly possible, the detection process for solving the pulse power in the prior art are easy to influence what the pulse power worked normally Technical problem.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of parameter testing diagnosis of pulse power Machine, including multiple recording units, each recording unit includes multiple recording circuits and digital signal processor, is also wrapped Include measure plug-in equal and one-to-one with the recording element number, controller and controlling terminal;
Multiple recording circuits of each recording unit are electrically connected with corresponding digital signal processor, the number Signal processor is electrically connected with corresponding measure plug-in, and each measure plug-in passes through CAN bus and controller electricity respectively Connection, the controller are electrically connected by CAN bus with the controlling terminal.
Compared with prior art, the beneficial effects of the utility model include: that multiple recording units are arranged in the utility model, right The impulse waveform of the pulse power is acquired, and realizes that the detection of pulse power running parameter is disabled, meanwhile, by measure plug-in with And CAN bus realizes being isolated for controller and the pulse power, realizes being isolated for controller and controlling terminal by CAN bus, subtracts Influence of the small detection process to the pulse power, guarantees the normal work of the pulse power.
Detailed description of the invention
Fig. 1 is the circuit diagram of the parameter testing diagnostic machine of the pulse power provided by the utility model;
Fig. 2 is the circuit diagram of the recording unit of the parameter testing diagnostic machine of the pulse power provided by the utility model;
Fig. 3 is the circuit diagram of the simulated modulation circuit of the parameter testing diagnostic machine of the pulse power provided by the utility model.
Appended drawing reference:
1, recording unit, 11, recording circuit, 111, Rogowski coil, 112, simulated modulation circuit, 113, analog-to-digital conversion electricity Road, 12, digital signal processor, 121, memory, 2, measure plug-in, 3, controller, 4, controlling terminal, 5, current detecting plate, 6, voltage detecting plate, 7, temperature sensor, 71, RS485 interface.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.
Embodiment 1:
As shown in Figure 1, the embodiments of the present invention 1 provide a kind of parameter testing diagnostic machine of pulse power, below Abbreviation parameter testing diagnostic machine, including multiple recording units 1, each recording unit 1 include multiple recording circuits 11 with And digital signal processor 12, it further include measure plug-in 2 equal and one-to-one with 1 quantity of recording unit, controller 3 And controlling terminal 4;
Multiple recording circuits 11 of each recording unit 1 are electrically connected with corresponding digital signal processor 12, institute It states digital signal processor 12 to be electrically connected with corresponding measure plug-in 2, each measure plug-in 2 passes through CAN bus and institute respectively The electrical connection of controller 3 is stated, the controller 3 is electrically connected by CAN bus with the controlling terminal 4.
Multiple recording units 1 are arranged in the utility model, illustrate only a recording unit 1 in Fig. 1, other recording units are same Li Ke get.Recording unit 1 is made of multichannel recording circuit 11, has multichannel electric current synchronous acquisition ability.Recording unit 1 is controlling The triggering preparation order of device 3 is i.e. standby after assigning, at this point, immediately beginning to adopt if receiving synchronous triggering signal Collect pulse current waveform.Due to needing Fast synchronization record current waveform, and consider reliability and ease for maintenance, recording unit 1 completes the measurement task of multichannel electric current by a measure plug-in 2.Each measure plug-in 2 is connected by CAN bus with controller 3, Inner high speed data communication network is constituted, improves measurement communication speed, while carrying out communication by CAN bus to play isolation Effect avoids measurement diagnosis process from impacting the pulse power.
Preferably, as shown in Fig. 2, the recording circuit 11 includes Rogowski coil 111, simulated modulation circuit 112 and mould Number conversion circuit 113;
The Rogowski coil 111 is installed on the discharge cable of the pulse power, and the Rogowski coil 111 passes through the simulation Conditioning circuit 112 is electrically connected with analog-digital conversion circuit as described 113, analog-digital conversion circuit as described 113 and the Digital Signal Processing Device 12 is electrically connected, and the digital signal processor 12 is also electrically connected with memory 121.
Rogowski coil 111 is a ring current coil being wound on a non-ferromagnetic coil skeleton, using outer integration type The voltage signal that Rogowski coil induces impulse discharge current will will become and tested electricity after being integrated by integrating circuit Directly proportional voltage signal is flowed, is sent into analog to digital conversion circuit after which is carried out simulated modulation by simulated modulation circuit 113 carry out A/D conversion.Analog to digital conversion circuit 113, and high-precision, anti-electricity are realized by using high-resolution AD sampling A/D chip The pulse integration type Rogowski coil of magnetic disturbance, it is higher to collect precision, current waveform.
Preferably, as shown in figure 3, the simulated modulation circuit 112 includes operational amplifier U1, operational amplifier U2, electricity Feel L1, inductance L2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electricity Hold C1, capacitor C2, capacitor C3, diode D1, diode D2, diode D3 and diode D4;
One end of the Rogowski coil 111 passes sequentially through inductance L1, resistance R1, resistance R3 and capacitor C1 and the operation The reverse input end of amplifier U1 is electrically connected, and the common end of the resistance R1 and resistance R3 are grounded by the resistance R2, described The other end of Rogowski coil 111 passes sequentially through inductance L2 and resistance R4 and the non-inverting input terminal of the operational amplifier is electrically connected Connect, the common end grounding of the inductance L2 and the resistance R4, the reverse input end of the operational amplifier U1 respectively with it is described The electrical connection of the cathode of the anode of diode D1 and the diode D2, the cathode and the diode D2 of the diode D1 Anode be grounded, the reverse input end of the operational amplifier U1 is defeated by the capacitor C2 and operational amplifier U1's Enter end electrical connection, the resistance R5 is in parallel with the capacitor C2, and the input terminal of the operational amplifier U1 passes sequentially through capacitor C3 And resistance R9 is electrically connected with the reverse input end of the operational amplifier U2, the reverse input end of the operational amplifier U2 is logical It crosses the resistance R7 to be electrically connected with the output end of the operational amplifier U2, the non-inverting input terminal of the operational amplifier U2 passes through The resistance R6 ground connection, the output end of the operational amplifier U2 are electrically connected by the anode of the resistance R8 and the diode D3 It connects, the cathode of the diode D3 connects power supply, and the anode of the diode D3 is electrically connected with the cathode of the diode D4, described The anode of the plus earth of diode D4, the diode D3 is also electrically connected with analog-digital conversion circuit as described 113.
Simulated modulation circuit 112 provided in this embodiment is using operational amplifier to the collected signal of Rogowski coil 111 Carry out level conversion, filtering processing.
Preferably, as shown in Figure 1, parameter testing diagnostic machine further includes current detecting plate 5, the current detecting plate 5 is connected In the aerial drainage circuit of the pulse power, the current detecting plate 5 is electrically connected by CAN bus with the controller 3.
By in 5 detection aerial drainage circuits of current detecting plate inspection let out can electric current, so that controller 3 is according to let out can size of current Judge that letting out for the pulse power can state, the more comprehensive parameter detecting of realization and more accurate fault diagnosis.
Preferably, as shown in Figure 1, parameter testing diagnostic machine further includes voltage detecting plate 6, the voltage detecting plate 6 is in parallel In the input terminal of the pulse power, the voltage detecting plate 6 is electrically connected by CAN bus with the controller 3.
The voltage of the power frequency three phase mains of input pulse power supply is detected, by voltage detecting plate 6 so that controller 3 is according to defeated Enter the input condition that voltage judges the pulse power, realizes more comprehensive parameter detecting and more accurate fault diagnosis.
Preferably, as shown in Figure 1, parameter testing diagnostic machine further includes temperature sensor 7, the temperature sensor 7 is installed At the solid switch and confluence busbar of the pulse power, the temperature sensor 7 is electrically connected with the controller 3.
The temperature data at solid switch and confluence busbar is detected by temperature sensor 7, is transmitted by controller 3 To controlling terminal 4, detecting and controlling for temperature is realized.
Preferably, as shown in Figure 1, the temperature sensor 7 is electrically connected by RS485 interface 71 with the controller 3.
RS485 interface can equally play buffer action while transmitting temperature data.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model. Any other various changes and modifications that any technical concept according to the present utility model is made should be included in practical In novel scope of protection of the claims.

Claims (7)

1. a kind of parameter testing diagnostic machine of pulse power, which is characterized in that including multiple recording units, each recording list Member includes multiple recording circuits and digital signal processor, further includes equal with the recording element number and corresponds Measure plug-in, controller and controlling terminal;
Multiple recording circuits of each recording unit are electrically connected with corresponding digital signal processor, the digital signal Processor is electrically connected with corresponding measure plug-in, and each measure plug-in passes through CAN bus respectively and is electrically connected with the controller, The controller is electrically connected by CAN bus with the controlling terminal.
2. the parameter testing diagnostic machine of the pulse power according to claim 1, which is characterized in that the recording circuit includes Rogowski coil, simulated modulation circuit and analog to digital conversion circuit;
The Rogowski coil is installed on the discharge cable of the pulse power, the Rogowski coil by the simulated modulation circuit with Analog-digital conversion circuit as described electrical connection, analog-digital conversion circuit as described are electrically connected with the digital signal processor, the number letter Number processor is also electrically connected with memory.
3. the parameter testing diagnostic machine of the pulse power according to claim 2, which is characterized in that the simulated modulation circuit Including operational amplifier U1, operational amplifier U2, inductance L1, inductance L2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, capacitor C1, capacitor C2, capacitor C3, diode D1, diode D2, diode D3 and diode D4;
One end of the Rogowski coil passes sequentially through inductance L1, resistance R1, resistance R3 and capacitor C1 and the operational amplifier The reverse input end of U1 is electrically connected, and the common end of the resistance R1 and resistance R3 are grounded by the resistance R2, the Roche line The other end of circle passes sequentially through inductance L2 and resistance R4 is electrically connected with the non-inverting input terminal of the operational amplifier, the inductance The common end grounding of L2 and the resistance R4, the reverse input end of the operational amplifier U1 sun with the diode D1 respectively The electrical connection of the cathode of pole and the diode D2, the cathode of the diode D1 and the anode of the diode D2 connect The reverse input end on ground, the operational amplifier U1 is electrically connected by the input terminal of the capacitor C2 and the operational amplifier U1 It connects, the resistance R5 is in parallel with the capacitor C2, and the input terminal of the operational amplifier U1 passes sequentially through capacitor C3 and resistance R9 is electrically connected with the reverse input end of the operational amplifier U2, and the reverse input end of the operational amplifier U2 passes through the electricity Resistance R7 is electrically connected with the output end of the operational amplifier U2, and the non-inverting input terminal of the operational amplifier U2 passes through the resistance The output end of R6 ground connection, the operational amplifier U2 is electrically connected by the resistance R8 with the anode of the diode D3, described The cathode of diode D3 connects power supply, and the anode of the diode D3 is electrically connected with the cathode of the diode D4, the diode The anode of the plus earth of D4, the diode D3 is also electrically connected with analog-digital conversion circuit as described.
4. the parameter testing diagnostic machine of the pulse power according to claim 1, which is characterized in that further include current detecting Plate, the current detecting plate are series in the aerial drainage circuit of the pulse power, and the current detecting plate passes through CAN bus and the control Device electrical connection processed.
5. the parameter testing diagnostic machine of the pulse power according to claim 1, which is characterized in that further include voltage detecting Plate, the voltage detecting plate are parallel to the input terminal of the pulse power, and the voltage detecting plate passes through CAN bus and the controller Electrical connection.
6. the parameter testing diagnostic machine of the pulse power according to claim 1, which is characterized in that further include temperature sensing Device, the temperature sensor be installed on the pulse power solid switch and confluence busbar at, the temperature sensor with it is described Controller electrical connection.
7. the parameter testing diagnostic machine of the pulse power according to claim 6, which is characterized in that the temperature sensor is logical RS485 interface is crossed to be electrically connected with the controller.
CN201822084137.6U 2018-12-12 2018-12-12 A kind of parameter testing diagnostic machine of the pulse power Active CN209417268U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822084137.6U CN209417268U (en) 2018-12-12 2018-12-12 A kind of parameter testing diagnostic machine of the pulse power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822084137.6U CN209417268U (en) 2018-12-12 2018-12-12 A kind of parameter testing diagnostic machine of the pulse power

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CN209417268U true CN209417268U (en) 2019-09-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157917A (en) * 2020-02-27 2020-05-15 石家庄嘉硕电子技术有限公司 Low-current grounding line selection system and device and grounding fault positioning method
CN114280973A (en) * 2021-11-12 2022-04-05 哈尔滨工业大学 Multi-load pulse power supply data acquisition and control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157917A (en) * 2020-02-27 2020-05-15 石家庄嘉硕电子技术有限公司 Low-current grounding line selection system and device and grounding fault positioning method
CN114280973A (en) * 2021-11-12 2022-04-05 哈尔滨工业大学 Multi-load pulse power supply data acquisition and control system

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