CN109857037B - Control extension for pulse power supply - Google Patents
Control extension for pulse power supply Download PDFInfo
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- CN109857037B CN109857037B CN201910188489.2A CN201910188489A CN109857037B CN 109857037 B CN109857037 B CN 109857037B CN 201910188489 A CN201910188489 A CN 201910188489A CN 109857037 B CN109857037 B CN 109857037B
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- 239000013307 optical fiber Substances 0.000 claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims abstract description 24
- 230000006855 networking Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The invention discloses a control extension for a pulse power supply, which comprises a DSP integrated control board, a power panel, an internal communication port, an external communication port, a synchronous port, an energy release port, an I/O port and a power port; the internal communication port, the external communication port, the synchronous port, the energy release port and the I/O port are respectively and electrically connected with the DSP integrated control board through optical fibers, the internal communication port is also electrically connected with the DSP integrated control board through a CAN data bus, and the DSP integrated control board is electrically connected with the power supply port through the power supply board. The control extension provided by the invention is not easy to be interfered by electromagnetic environment.
Description
Technical Field
The invention relates to the technical field of pulse power supply control, in particular to a control extension of a pulse power supply.
Background
The existing pulse power supply control system generally adopts a PLC control mode, but the electromagnetic environment of a general pulse power supply site is complex, and the pulse power supply control system realized by the PLC control mode has poor electromagnetic compatibility, so that the pulse power supply control system is greatly influenced by the electromagnetic environment, and the condition of dead halt often occurs, so that the monitoring control unit of the pulse power supply fails.
Disclosure of Invention
The invention aims to overcome the technical defects, provide a control extension of a pulse power supply, and solve the technical problems that the control of the pulse power supply is greatly influenced by electromagnetic environment and is easy to cause dead halt in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention provides a control extension for a pulse power supply, which comprises a DSP integrated control board, a power panel, an internal communication port, an external communication port, a synchronous port, an energy release port, an I/O port and a power port;
The internal communication port, the external communication port, the synchronous port, the energy release port and the I/O port are respectively and electrically connected with the DSP integrated control board through optical fibers, the internal communication port is also electrically connected with the DSP integrated control board through a CAN data bus, and the DSP integrated control board is electrically connected with the power supply port through the power supply board.
Compared with the prior art, the invention has the beneficial effects that: compared with the existing PLC control mode, the control of the pulse power supply is realized through the DSP integrated control board, the volume of the control system can be greatly reduced by adopting the DSP integrated control board for control, and the DSP integrated control board has strong functions, low operation speed, low cost and stable performance; meanwhile, the DSP integrated control board adopts optical fibers for communication, so that the electromagnetic compatibility of the DSP integrated control board is greatly improved, and the dead halt and faults caused by electromagnetic environment are reduced.
Drawings
FIG. 1 is a schematic circuit diagram of a control extension for a pulsed power supply provided by the present invention;
FIG. 2 is a circuit diagram of a control extension for a pulsed power supply provided by the present invention;
fig. 3 is an internal circuit diagram of a DSP integrated control board for a control extension of a pulse power supply provided by the present invention.
Reference numerals:
1. The DSP integrated control board, 11, DSP chips, 12, optocoupler isolator, 13, hardware forwarding circuit, 2, power boards, 21, first power boards, 22, second power boards, 3, internal communication ports, 30, serial port expansion circuit, 31, main charging port, 32, precharge port, 33, first expansion port, 34, second expansion port, 35, third expansion port, 36, fourth expansion port, 37, fifth expansion port, 38, sixth expansion port, 39, diagnostic port, 4, external communication port, 41, first external communication port, 42, second external communication port, 5, synchronization port, 51, main synchronization port, 52, pre-synchronization port, 6, power release port, 61, main power release port, 62, pre-power release port, 7, I/O port, 8, power port, 9, network signal conversion circuit, 91, optical fiber converter, 92, networking server, 93, photoelectric converter, 94, single-path power boards.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1:
As shown in fig. 1, embodiment 1 of the present invention provides a control extension for pulse power supply, which includes a DSP integrated control board 1 and a power board 2, and further includes an internal communication port 3, an external communication port 4, a synchronization port 5, an energy release port 6, an I/O port 7, and a power port 8;
The internal communication port 3, the external communication port 4, the synchronous port 5, the energy release port 6 and the I/O port 7 are respectively and electrically connected with the DSP integrated control board 1 through optical fibers, the internal communication port 3 is also electrically connected with the DSP integrated control board 1 through a CAN data bus, and the DSP integrated control board 1 is electrically connected with the power port 8 through the power panel 2.
The invention replaces the traditional PLC controller with the DSP integrated control board 1 to realize the operation control of the internal functional units of the pulse power supply. Specifically, the control of the charger and the parameter testing diagnostic machine is realized through the internal communication port 3, and the communication with the external terminal is realized through the external communication port 4. The triggering control of the discharge switch is realized through the synchronous port 5, the control of the energy release switch of the energy release relay of the pulse power supply is realized through the energy release port 6, and the I/O communication is realized through the I/O port 7. The power panel 2 provides power for the control extension, specifically, as shown in fig. 2, the present embodiment provides two power panels 2, which are a first power panel 21 and a second power panel 22 respectively, to provide power for the control extension; the present embodiment also provides two energy release ports 6, a main energy release port 61 and a pre-energy release port 62. The implementation with arrows at both ends in fig. 2 indicates the optical fiber connection, and the numbers beside the arrows indicate the numbers of the optical fibers.
Compared with the traditional PLC control mode, the invention adopts the DSP integrated control board 1 to control the pulse power supply, can greatly reduce the volume of the control extension, and has high operation speed, low cost and stable performance of the DSP integrated control board 1. Meanwhile, the DSP integrated control board 1 can communicate through optical fibers, so that the electromagnetic compatibility of the control extension is greatly improved, and the influence of the electromagnetic environment on the control extension is reduced.
Preferably, as shown in fig. 2, the internal communication port 3 includes a charging port and an expansion port; the charging port and the expansion port are respectively and electrically connected with the serial port expansion circuit 30 through the optical fibers, the serial port expansion circuit 30 is electrically connected with the DSP integrated control board 1 through the optical fibers, and the serial port expansion circuit 30 is electrically connected with the power panel 2.
The communication interface is extended by the serial port extension circuit 30 to provide a charging port as well as an extension port. Specifically, as shown in fig. 2, in this embodiment, the charging port includes a main charging port 31 and a pre-charging port 32, which are respectively used for being electrically connected with a main charger and a pre-charger of a pulse power supply, so as to realize charging control of the main charger and the pre-charger. The number of reserved expansion ports is six, namely a first expansion port 33, a second expansion port 34, a third expansion port 35, a fourth expansion port 36, a fifth expansion port 37 and a sixth expansion port 38, and the expansion ports are arranged so as to facilitate the subsequent expansion control of the functions of the extension set.
Preferably, the internal communication port 3 further includes a diagnostic port 39, and the diagnostic port 39 is electrically connected to the DSP integrated control board 1 through the CAN data bus.
The diagnostic port 39 is used for electrically connecting with a parametric test diagnostic machine of a pulse power supply, and high-speed data communication with the parametric test diagnostic machine is realized by isolating a CAN data bus.
Preferably, as shown in fig. 1, the external communication port 4 is electrically connected to the network signal conversion circuit 9 through the optical fiber, and the network signal conversion circuit 9 is electrically connected to the DSP integrated control board 1 through the optical fiber.
Specifically, the external communication port 4 is an FEP communication port.
Preferably, as shown in fig. 2, the network signal conversion circuit 9 includes an optical fiber converter 91, a networking server 92, a photoelectric converter 93, and a single-path power panel 94;
the external communication port 4 is electrically connected with the optical fiber converter 91 through the optical fiber, the optical fiber converter 91 is electrically connected with the networking server 92 through a network cable, the networking server 92 is electrically connected with the photoelectric converter 93 through a DB9 interface cable, the photoelectric converter 93 is electrically connected with the external communication port 4 through the optical fiber, and the optical fiber converter 91 and the photoelectric converter 93 are respectively electrically connected with the single-path power panel 94.
The control extension realizes the optical fiber Ethernet communication through the network switching circuit 9 and has the function of local Ethernet communication. Specifically, in the present embodiment, the type of the optical fiber converter 91 is TCF-142-M-ST V3.3.0; the networking server 92 adopts a three-in-one serial port networking server, and the model number of the three-in-one serial port networking server is Nport5150/CNV1.1.2; the model number of the photoelectric converter 93 is IMC-21A-M-ST V1.0.1; the single power board 94 is a 15V single power board.
Preferably, as shown in fig. 2, the number of the external communication ports 4 is two, the two external communication ports are a first external communication port 41 and a second external communication port 42, the two external communication ports are respectively electrically connected with the DSP integrated control board 1 through optical fibers, the first external communication port 41 is used for being electrically connected with a remote terminal, and the second external communication port 42 is used for being electrically connected with a local terminal.
Specifically, as shown in fig. 2, the first external communication port 41 and the second external communication port 42 are respectively connected to the network signal conversion circuit 9 through optical fibers, and the circuit structures of the network conversion circuit 9 corresponding to the first external communication port 41 and the second external communication port 42 are the same.
Preferably, the synchronization port 5 includes a main synchronization port 51 and a pre-synchronization port 52, the main synchronization port 51 and the pre-synchronization port 52 are electrically connected to the DSP integrated control board 1 through the optical fibers, the main synchronization port 51 is electrically connected to a main discharge switch, and the pre-synchronization port 52 is electrically connected to a pre-discharge switch.
The main discharge switch and the pre-discharge switch are controlled through the synchronous port 5, so that optical fiber beam splitting of a main pre-synchronous trigger signal and delay monitoring between the main pre-synchronous signals can be realized.
Specifically, as shown in fig. 2, the main charging port 31, the precharge port 32, the six expansion ports, the first external communication port 41, the second external communication port 42, the main synchronization port 51, the pre-synchronization port 52, the main power drain port 61, the pre-power drain port 62, and the I/O port 7 each include a transmitting end TX and a receiving end RX.
Preferably, as shown in fig. 3, the DSP integrated control board 1 includes a DSP chip 11;
The internal communication port 3, the external communication port 4, the synchronous port 5, the energy release port 6 and the I/O port 7 are respectively and electrically connected with an optical coupler isolator 12 through optical fibers, and the optical coupler isolator 12 is electrically connected with the DSP chip 11.
The DSP chip 11 is a control core for controlling the slave units, and is used for parsing control commands and issuing various control signals. In the embodiment, all communication control and feedback signals of the control extension are isolated by an optical coupler, and optical fiber signal transmission is adopted, so that complete electrical isolation of the communication and control signals is realized, the electromagnetic interference resistance of the control extension is enhanced, and the stability of the control extension is improved.
Specifically, as shown in fig. 3, the eCAN pin of the dsp chip 11 is electrically connected to the diagnostic port 39 through the optocoupler isolator 12; the eCAP pin of the DSP chip 11 is electrically connected with the hardware forwarding circuit 13, the hardware forwarding circuit 13 is electrically connected with the synchronous port 5 through the optocoupler isolator 12, the synchronous port 5 comprises a main synchronous port 51 and a presynchronizing port 52, and the two optocoupler isolators connected with the hardware forwarding circuit 13 are respectively used for inputting and outputting synchronous signals; the I/O pin of the DSP chip 11 is electrically connected with the I/O port 7 through an opto-coupler isolator 12; the SCL-A pin of the DSP chip 11 is electrically connected with a serial port expansion circuit 30 through an opto-coupler isolator 12, and the serial port expansion circuit 30 is respectively electrically connected with a main charging port 31, a pre-charging port 32 and an expansion port The SCL-B pin of the DSP chip 11 is electrically connected with the external communication port 4 through an opto-coupler isolator 12; the SCL-C pin of the DSP chip 11 is electrically connected with the energy release port 6 through an opto-coupler isolator 12.
Preferably, the model of the DSP chip 11 is TMS320F28335.
The present embodiment employs DSP TMS320F28335 as DSP chip 11.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any other corresponding changes and modifications made in accordance with the technical idea of the present invention shall be included in the scope of the claims of the present invention.
Claims (6)
1. The control extension for the pulse power supply is characterized by comprising a DSP integrated control board, a power panel, an internal communication port, an external communication port, a synchronous port, an energy release port, an I/O port and a power port;
The internal communication port, the external communication port, the synchronous port, the energy release port and the I/O port are respectively and electrically connected with the DSP integrated control board through optical fibers, the internal communication port is also electrically connected with the DSP integrated control board through a CAN data bus, and the DSP integrated control board is electrically connected with the power supply port through the power supply board;
the external communication port is electrically connected with a network signal conversion circuit through the optical fiber, and the network signal conversion circuit is electrically connected with the DSP integrated control board through the optical fiber;
the network signal conversion circuit comprises an optical fiber converter, a networking server, a photoelectric converter and a single-channel power panel;
The external communication port is electrically connected with the photoelectric converter through the optical fiber, the photoelectric converter is electrically connected with the networking server through a network cable, the networking server is electrically connected with the optical fiber converter through a DB9 interface cable, the optical fiber converter is electrically connected with the external communication port through the optical fiber, and the optical fiber converter and the photoelectric converter are respectively electrically connected with the single-channel power panel;
the synchronous port comprises a main synchronous port and a pre-synchronous port, the main synchronous port and the pre-synchronous port are respectively electrically connected with the DSP integrated control board through the optical fibers, the main synchronous port is used for being electrically connected with a main discharging switch, and the pre-synchronous port is used for being electrically connected with the pre-discharging switch.
2. The control extension for a pulsed power supply of claim 1, wherein the internal communication port comprises a charging port and an expansion port; the charging port and the expansion port are respectively and electrically connected with a serial port expansion circuit through the optical fiber, the serial port expansion circuit is electrically connected with the DSP integrated control board through the optical fiber, and the serial port expansion circuit is electrically connected with the power panel.
3. The control extension for a pulsed power supply of claim 2, wherein the internal communication port further comprises a diagnostic port electrically connected to the DSP integrated control board through the CAN data bus.
4. The control extension for a pulse power supply according to claim 1, wherein the number of the external communication ports is two, the two external communication ports are respectively electrically connected with the DSP integrated control board through optical fibers, one external communication port is used for being electrically connected with a remote terminal, and the other external communication port is used for being electrically connected with a local terminal.
5. The control extension for a pulsed power supply of claim 1, wherein the DSP integrated control board comprises a DSP chip;
the internal communication port, the external communication port, the synchronous port, the energy release port and the I/O port are respectively and electrically connected with an optical coupler isolator through optical fibers, and the optical coupler isolator is electrically connected with the DSP chip.
6. The control extension for a pulsed power supply of claim 5, wherein the DSP chip is model TMS320F28335.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188489.2A CN109857037B (en) | 2019-03-13 | 2019-03-13 | Control extension for pulse power supply |
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| CN201910188489.2A CN109857037B (en) | 2019-03-13 | 2019-03-13 | Control extension for pulse power supply |
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| CN109857037B true CN109857037B (en) | 2024-09-20 |
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| CN207663274U (en) * | 2017-08-14 | 2018-07-27 | 北京电力自动化设备有限公司 | The control system of the pulse power |
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