CN204290346U - A kind of DC Electronic Loads based on DSP framework - Google Patents
A kind of DC Electronic Loads based on DSP framework Download PDFInfo
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- CN204290346U CN204290346U CN201420765594.0U CN201420765594U CN204290346U CN 204290346 U CN204290346 U CN 204290346U CN 201420765594 U CN201420765594 U CN 201420765594U CN 204290346 U CN204290346 U CN 204290346U
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- electronic loads
- dsp
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- phase inverting
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Abstract
The utility model relates to a kind of DC Electronic Loads based on DSP framework, the two ends of DC Electronic Loads are connected with DC power supply and electrical network respectively, DC Electronic Loads comprises DC/DC translation circuit, three-phase inverting circuit, DSP master component and display and control assembly, DC/DC translation circuit is connected with electrical network by three-phase inverting circuit, and display and control assembly is connected with DC/DC translation circuit and three-phase inverting circuit respectively by DSP master component.Compared with prior art, the utility model have employed display and control assembly and controls electronic load, can improve the real-time of control.
Description
Technical field
The utility model relates to a kind of DC Electronic Loads, especially relates to a kind of DC Electronic Loads based on DSP framework.
Background technology
At present, 30KW DC Electronic Loads display control section implementation on the market has three kinds: liquid crystal press key combination control mode, PC control mode, touch-screen control mode.Compared with touch-screen control mode combines control mode with liquid crystal press key, there is good human-computer interaction interface, touch-control efficiency is high, additionally provide higher security performance, anti-harsh weather performance and resistance to wear.If only adopt PC control mode, and electronic load has a segment distance from PC, so concerning operating personnel, is extremely inconvenient.
What such as Chinese patent CN 102832639 B had disclosed a kind of based on DSP can present type electronic load grid-connected inverting system and control method, comprising: main circuit and control circuit.Described main circuit comprises the Inverter Unit, the output filtering module that connect in turn; Described Inverter Unit is connected with booster system 400V DC output, and described output filtering module is connected with utility network; Described control circuit comprises fault secure circuit module, current-voltage sampling and signal processing module, human-computer interaction module, DSP embedded system module and high-frequency drive module.But its Inverter Unit is single-phase inversion system, power system capacity is low, is not suitable for that more than 10KW high-power DC power supply is aging, performance test, and its display control section adopts liquid crystal press key combination control mode, and Man machine interaction is poor, and control operation is loaded down with trivial details.
Summary of the invention
The purpose of this utility model is exactly to overcome the defect and the DC Electronic Loads based on DSP framework that provides a kind of control effects to give prominence to that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of DC Electronic Loads based on DSP framework, the two ends of described DC Electronic Loads are connected with DC power supply and electrical network respectively, described DC Electronic Loads comprises DC/DC translation circuit, three-phase inverting circuit, DSP master component and display and control assembly, described DC/DC translation circuit is connected with electrical network by three-phase inverting circuit, and described display and control assembly is connected with DC/DC translation circuit and three-phase inverting circuit respectively by DSP master component.
Described DC Electronic Loads also comprises the A/D data acquisition module for gathering current and voltage data, the output of described A/D data acquisition module is connected with DSP master component, and input is connected with the input of DC/DC translation circuit and the output of three-phase inverting circuit respectively.
Described DSP master component comprises controller and the DC-DC that is all connected with controller and converts and control driver module, inversion control driver module and communication module, described DC-DC conversion controls driver module and is connected with DC/DC translation circuit, described inversion control driver module is connected with three-phase inverting circuit, and described communication module is connected with display and control assembly.
Described controller is the digital signal processor TMS320F2808A of 32.
Described display and control assembly comprises resistive touch screen, and described display and control assembly is connected with DSP master component by RS485 communication cable.
Described DC Electronic Loads also comprises remote control terminal, and this remote control terminal is connected with DSP master component by RS485 communication cable.
Described DC/DC translation circuit comprises the direct current input filter circuit, BOOST booster circuit and the output filter circuit that connect successively, and described direct current input filter circuit is connected with DC power supply, and described output filter circuit is connected with three-phase inverting circuit.
Described three-phase inverting circuit comprises the three phase full bridge circuit, ac filter circuit, output isolation transformer and the output control switch that connect successively, and described three phase full bridge circuit is connected with DC/DC translation circuit, and described output control switch is connected with electrical network.
Compared with prior art, the utility model has the following advantages:
1) owing to have employed display and control assembly, electronic load is controlled, the real-time of control can be improved, and improve the suggestiveness of operation control.
2) display and control assembly have employed touch screens, operational environment completely isolated to external world, is not afraid of dust and steam, therefore has higher security performance, anti-harsh weather performance and good resistance to wear.
3) because controller have employed the digital signal processor TMS320F2808A of 32, this model processor processing speed block, simultaneously peripheral hardware aboundresources have high-precision adc measurement module, therefore can improve the control efficiency of DSP master component.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of DC/DC translation circuit;
Fig. 3 is the structural representation of three-phase inverting circuit;
Wherein: 1, DC power supply, 2, electrical network, 3, DC/DC translation circuit, 4, three-phase inverting circuit, 5, DSP master component, 6, display and control assembly, 7, A/D data acquisition module, 8, remote control terminal, 31, filter circuit, 32, BOOST booster circuit, 33, output filter circuit, 41, three phase full bridge circuit, 42, ac filter circuit, 43, output isolation transformer, 44, output control switch, 51, controller, 52, DC
-dC conversion controls driver module, 53, inversion control driver module, and 54, communication module.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
A kind of DC Electronic Loads based on DSP framework, as shown in Figure 1, the two ends of DC Electronic Loads are connected with DC power supply 1 and electrical network 2 respectively, DC Electronic Loads comprises DC/DC translation circuit 3, three-phase inverting circuit 4, DSP master component 5 and display and control assembly 6, DC/DC translation circuit 3 is connected with electrical network 2 by three-phase inverting circuit 4, and display and control assembly 6 is connected with DC/DC translation circuit 3 and three-phase inverting circuit 4 respectively by DSP master component 5;
Display and control assembly 6 by DSP master component 5 in real time control DC/DC translation circuit 3 and three-phase inverting circuit 4 by direct current feedback grid 2 after DC converting and inversion.
DC Electronic Loads also comprises the A/D data acquisition module 7 for gathering current and voltage data, the output of A/D data acquisition module 7 is connected with DSP master component 5, and input is connected with the input of DC/DC translation circuit 3 and the output of three-phase inverting circuit 4 respectively.
DSP master component 5 comprises controller 51 and the DC-DC that is all connected with controller 51 and converts and control driver module 52, inversion control driver module 53 and communication module 54, DC-DC conversion controls driver module 52 and is connected with DC/DC translation circuit 3, inversion control driver module 53 is connected with three-phase inverting circuit 4, and communication module 54 is connected with display and control assembly 6.
Controller 51 is the digital signal processor TMS320F2808A of 32.
Display and control assembly 6 comprises resistive touch screen, and display and control assembly 6 is connected with DSP master component 5 by RS485 communication cable.
DC Electronic Loads also comprises remote control terminal 8, and this remote control terminal 8 is connected with DSP master component 5 by RS485 communication cable.
Display and control assembly 6 comprises following interface module:
Passage control inerface module, for controlling each passage, and checks the operation information of DSP master component 5 and display and control assembly 6 and remote control terminal 8 communication;
Running status display interface module, for showing the running status of DC Electronic Loads in real time;
Historical data display module, for showing the history run status data of DC Electronic Loads;
Local/remote interface module, enters the operating instructions by remote control terminal 8 or by display and control assembly 6 for switching.
Optimum configurations interface module, for arranging DC Electronic Loads operational factor, operational factor comprises the maximum input voltage of communication baud rate and DC Electronic Loads and maximum input current.
Running status display interface module comprises running state data display unit and the failure condition display unit of DC Electronic Loads.
As shown in Figure 2, DC/DC translation circuit 3 comprises the direct current input filter circuit 31, BOOST booster circuit 32 and the output filter circuit 33 that connect successively, direct current input filter circuit 301 is connected with DC power supply 1, and output filter circuit 33 is connected with three-phase inverting circuit 4.
As shown in Figure 3, three-phase inverting circuit 4 comprises the three phase full bridge circuit 41, ac filter circuit 42, output isolation transformer 43 and the output control switch 44 that connect successively, three phase full bridge circuit 401 is connected with DC/DC translation circuit 3, and output control switch 44 is connected with electrical network 2.
In running, A/D data acquisition module 7 detects that DC/DC translation circuit 2 input current exceedes set point, DSP master component 5 control inputs output switch, disconnect the connection with DC power supply 1 and electrical network 2, and by communication module 54 transmission fault information to display and control assembly 6, there is input current over current fault in display and control assembly 6 display display in real time, and points out user to check failure cause.
Claims (8)
1. the DC Electronic Loads based on DSP framework, the two ends of described DC Electronic Loads are connected with DC power supply and electrical network respectively, it is characterized in that, described DC Electronic Loads comprises DC/DC translation circuit, three-phase inverting circuit, DSP master component and display and control assembly, described DC/DC translation circuit is connected with electrical network by three-phase inverting circuit, and described display and control assembly is connected with DC/DC translation circuit and three-phase inverting circuit respectively by DSP master component.
2. a kind of DC Electronic Loads based on DSP framework according to claim 1, it is characterized in that, described DC Electronic Loads also comprises the A/D data acquisition module for gathering current and voltage data, the output of described A/D data acquisition module is connected with DSP master component, and input is connected with the input of DC/DC translation circuit and the output of three-phase inverting circuit respectively.
3. a kind of DC Electronic Loads based on DSP framework according to claim 1, it is characterized in that, described DSP master component comprises controller and the DC-DC that is all connected with controller and converts and control driver module, inversion control driver module and communication module, described DC-DC conversion controls driver module and is connected with DC/DC translation circuit, described inversion control driver module is connected with three-phase inverting circuit, and described communication module is connected with display and control assembly.
4. a kind of DC Electronic Loads based on DSP framework according to claim 3, is characterized in that, described controller is the digital signal processor TMS320F2808A of 32.
5. a kind of DC Electronic Loads based on DSP framework according to claim 1, is characterized in that, described display and control assembly comprises resistive touch screen, and described display and control assembly is connected with DSP master component by RS485 communication cable.
6. a kind of DC Electronic Loads based on DSP framework according to claim 1, it is characterized in that, described DC Electronic Loads also comprises remote control terminal, and this remote control terminal is connected with DSP master component by RS485 communication cable.
7. a kind of DC Electronic Loads based on DSP framework according to claim 1, it is characterized in that, described DC/DC translation circuit comprises the direct current input filter circuit, BOOST booster circuit and the output filter circuit that connect successively, described direct current input filter circuit is connected with DC power supply, and described output filter circuit is connected with three-phase inverting circuit.
8. a kind of DC Electronic Loads based on DSP framework according to claim 1, it is characterized in that, described three-phase inverting circuit comprises the three phase full bridge circuit, ac filter circuit, output isolation transformer and the output control switch that connect successively, described three phase full bridge circuit is connected with DC/DC translation circuit, and described output control switch is connected with electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765594.0U CN204290346U (en) | 2014-12-08 | 2014-12-08 | A kind of DC Electronic Loads based on DSP framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765594.0U CN204290346U (en) | 2014-12-08 | 2014-12-08 | A kind of DC Electronic Loads based on DSP framework |
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| Publication Number | Publication Date |
|---|---|
| CN204290346U true CN204290346U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420765594.0U Expired - Fee Related CN204290346U (en) | 2014-12-08 | 2014-12-08 | A kind of DC Electronic Loads based on DSP framework |
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| CN (1) | CN204290346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827746A (en) * | 2019-11-05 | 2020-02-21 | 天津市英贝特航天科技有限公司 | CPCI power supply based on data acquisition and monitoring |
-
2014
- 2014-12-08 CN CN201420765594.0U patent/CN204290346U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827746A (en) * | 2019-11-05 | 2020-02-21 | 天津市英贝特航天科技有限公司 | CPCI power supply based on data acquisition and monitoring |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200082 No. 76, Qigihar Road, Shanghai, Yangpu District Patentee after: Shanghai Aerospace Intelligent Equipment Co.,Ltd. Address before: 200082 No. 76, Qigihar Road, Shanghai, Yangpu District Patentee before: SHANGHAI AEROSPACE COMMUNICATION ELECTRIC Co. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20201208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |