CN202616759U - Computer-type microcomputer comprehensive protection, detection and control device realized based on DSP system - Google Patents
Computer-type microcomputer comprehensive protection, detection and control device realized based on DSP system Download PDFInfo
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- CN202616759U CN202616759U CN 201220119978 CN201220119978U CN202616759U CN 202616759 U CN202616759 U CN 202616759U CN 201220119978 CN201220119978 CN 201220119978 CN 201220119978 U CN201220119978 U CN 201220119978U CN 202616759 U CN202616759 U CN 202616759U
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Abstract
The utility model provides a computer-type microcomputer comprehensive protection, detection and control device realized based on a DSP system, and solves problems of inconvenience in high-voltage line detection and low reliability in protection of a prior high-voltage line protecting device. The computer-type microcomputer comprehensive protection, detection and control device realized based on the DSP system includes an AC sampling board, a control system and a protection module. The AC sampling board is connected with the control system. The AC sampling board is used for collecting signals. The protection module is connected with the control system. The control system is the DSP system. The protection module is used for receiving action signals of the control system and outputting action signals of a relay. A display module is connected with the control system. The display module include an LED indicating lamp and an LCD display, and is used for receiving signals of the control system, indicating working states and displaying electric parameters and fault information. The computer-type microcomputer comprehensive protection, detection and control device realized based on the DSP system provided by the utility model has beneficial effects of realizing multiple kinds of protections of current quick-breaking protection, inverse time limit over-current protection, low voltage protection and the like of a power grid through analysis of three-phase current, voltage and active power based on a mathematical model of Fourier transform. The computer-type microcomputer comprehensive protection, detection and control device realized based on the DSP system provided by the utility model has advantages of high safety, high reliability, high integration degree, low cost and the like.
Description
Technical field
The utility model relates to a kind of computer-shape computer integrated protection measure and control device of realizing based on dsp system.
Background technology
Because faults such as overcurrent, overload, electric leakage, overvoltage, under-voltage, heavy gas, light gas, will cause high-tension transformer to damage or burn, thus realize that high-voltage line protection the most important thing is in time to detect dependent failure, and break off the high pressure inlet wire.Traditional way is to use hard-wired high-voltage line protections such as overvoltage and overcurrent protector.If in unexpected power failure, under the situation that low all subscriber switch of depressor are not closed, closing a floodgate and just might not closing in the high-pressure side, must wait most of subscriber switch furnishing to close, or use large-scale protection device instead.Obviously traditional way flexibility is not strong, easy care not, and need frequent the going of staff to make an inspection tour, can't accomplish remote monitoring.
Summary of the invention
Existing high-voltage line protection device detects the high-tension line trouble in the background technology in order to solve, the low problem of reliability during protection, and the utility model provides a kind of computer-shape computer integrated protection measure and control device of realizing based on dsp system.
The technical scheme of the utility model is: a kind of computer-shape computer integrated protection measure and control device of realizing based on dsp system; Comprise aluminum hull; Be provided with AC sampling plate, control system, display module, protection module in the described aluminum hull and open into module; Described AC sampling plate links to each other with control system, and the AC sampling plate is used for gathering measurement CT, protection CT and three-phase voltage; Described opening into module links to each other with control system, is used to detect the amount and the monitoring disconnecting link state of gas, temperature; Described protection module links to each other with control system; Described control system is a dsp system; Described control system is used to move fourier algorithm, draws the associated electrical parameter, and exports to protection module; Described protection module is used for the actuating signal of receiving control system, and the output relay actuating signal; Described display module links to each other with control system, and described display module comprises LED light and LCD display, is used for the signal of receiving control system, is used for indicating operating status, shows electric parameter and fault message.
As a kind of improvement of the utility model, also be provided with communication module in the described aluminum hull, described communication module links to each other with control system, is used to realize remote monitoring and controls.
Another kind as the utility model improves, and the chip of said communication module is 485 industrial chips.
Another kind as the utility model improves, and its acp chip of described dsp system is PIC24HJ256GP210.
Another kind as the utility model improves, and the voltage on the described AC sampling plate, electric current all adopt instrument transformer to transmit signal.
The beneficial effect of the utility model is, is foundation with " Fourier transform " Mathematical Modeling, to three-phase current; Voltage; Active power, reactive power, angles etc. are analyzed; Electrical network is carried out current quick, inverse time over-current protection, under-voltage protection, zero sequence overcurrent, kinds of protect such as overvoltage protection, PT breaking protection, negative phase-sequence overcurrent protection, non electrical quantity protection.Such detection mode is simple, and system can carry out effectively high-tension line, reliable protection, have safety, reliable, integrated level is high, easy to maintenance, cost is low, advantage such as easy for installation.And full aluminium shell guarantees in strong magnetic field circumstance, still the working normally of the utility model.
Description of drawings
Accompanying drawing 1 is the theory diagram based on the computer-shape computer integrated protection measure and control device of dsp system realization.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further:
By shown in Figure 1; A kind of computer-shape computer integrated protection measure and control device of realizing based on dsp system; Comprise aluminum hull; Be provided with AC sampling plate, control system, display module, protection module in the described aluminum hull and open into module, described AC sampling plate links to each other with control system, and the AC sampling plate is used for gathering measures CT (Current Transformer current transformer), protection CT and three-phase voltage; Voltage on the described AC sampling plate, electric current all adopt instrument transformer to transmit signal, and certain high-precision instrument transformer is better.Can not cause interference like this, can play and isolate the effect that inlet wire disturbs, make the stability of system higher the microcomputer chip of core.
Described opening into module links to each other with control system, is used to detect fault and monitoring disconnecting link states such as heavy gas, overtemperature degree; Described protection module links to each other with control system, and described control system is DSP (Digital Signal Processing Digital Signal Processing) system, and its acp chip is PIC24HJ256GP210 (PIC:Peripheral Interface Controller is the peripheral interface controller); Described dsp system is used to move fourier algorithm; Draw the associated electrical parameter, and export to protection module, described protection module is used for the actuating signal of receiving control system; And export to relay action signal; Described display module links to each other with control system, and described display module comprises LED light and LCD display, is used for the signal of receiving control system; The LED indication is used for indicating operating status, and LCD display is used to show electric parameter and fault message.The beneficial effect of the utility model is that the beneficial effect of the utility model is, is foundation with " Fourier transform " Mathematical Modeling; To three-phase current, voltage, active power; Reactive power; Angles etc. are analyzed, and electrical network is carried out current quick, inverse time over-current protection, under-voltage protection, zero sequence overcurrent, kinds of protect such as overvoltage protection, PT (Potential Transformer voltage transformer) breaking protection, negative phase-sequence overcurrent protection, non electrical quantity protection.Such detection mode is simple, and system can carry out effectively high-tension line, reliable protection, have safety, reliable, integrated level is high, easy to maintenance, cost is low, advantage such as easy for installation.And full aluminium shell guarantees in strong magnetic field circumstance, still the working normally of the utility model.
Also be provided with communication module in the described aluminum hull, described communication module links to each other with control system, is used to realize remote monitoring and controls, and the chip of said communication module is 485 industrial chips.485 industrial chips have good noiseproof feature; And can be connected to computer; Realize remote monitoring and control that the utility model can pass to the monitoring room with the data of measuring high-tension current and voltage, and when fault is arranged and with under the failure logging preservation; Can make things convenient for afterwards verification like this, be the most effectively and the mode of the easiest management.
Every technical staff's notice: though the utility model is described according to above-mentioned embodiment; But the invention thought of the utility model is not limited in this utility model; The repacking of any utilization inventive concept all will be included in this patent scope of patent protection.
Claims (5)
1. computer-shape computer integrated protection measure and control device of realizing based on dsp system; It is characterized in that: comprise aluminum hull; Be provided with AC sampling plate, control system, display module, protection module in the described aluminum hull and open into module; Described AC sampling plate links to each other with control system, and the AC sampling plate is used for gathering measurement CT, protection CT and three-phase voltage; Described opening into module links to each other with control system, is used to detect the amount and the monitoring disconnecting link state of gas, temperature; Described protection module links to each other with control system, and described control system is a dsp system, and described protection module is used for the actuating signal of receiving control system, and the output relay actuating signal; Described display module links to each other with control system, and described display module comprises LED light and LCD display, is used for the signal of receiving control system, is used for indicating operating status, shows electric parameter and fault message.
2. the computer-shape computer integrated protection measure and control device of realizing based on dsp system according to claim 1 is characterized in that also being provided with communication module in the described aluminum hull, and described communication module links to each other with control system, is used to realize remote monitoring and controls.
3. the computer-shape computer integrated protection measure and control device of realizing based on dsp system according to claim 2, the chip that it is characterized in that said communication module is 485 industrial chips.
4. according to claim 1 or the 2 or 3 described computer-shape computer integrated protection measure and control devices of realizing based on dsp system, it is characterized in that its acp chip of described dsp system is PIC24HJ256GP210.
5. the computer-shape computer integrated protection measure and control device of realizing based on dsp system according to claim 1 is characterized in that voltage, the electric current on the described AC sampling plate all adopts instrument transformer to transmit signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220119978 CN202616759U (en) | 2012-03-27 | 2012-03-27 | Computer-type microcomputer comprehensive protection, detection and control device realized based on DSP system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220119978 CN202616759U (en) | 2012-03-27 | 2012-03-27 | Computer-type microcomputer comprehensive protection, detection and control device realized based on DSP system |
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| Publication Number | Publication Date |
|---|---|
| CN202616759U true CN202616759U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220119978 Expired - Fee Related CN202616759U (en) | 2012-03-27 | 2012-03-27 | Computer-type microcomputer comprehensive protection, detection and control device realized based on DSP system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133138A (en) * | 2014-07-24 | 2014-11-05 | 国电南瑞科技股份有限公司 | DSP-based assembly line autotest method of protection and monitoring device |
-
2012
- 2012-03-27 CN CN 201220119978 patent/CN202616759U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133138A (en) * | 2014-07-24 | 2014-11-05 | 国电南瑞科技股份有限公司 | DSP-based assembly line autotest method of protection and monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGXI HJATIS POWER INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: YUEQING HUAJIAN ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20141106 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325600 WENZHOU, ZHEJIANG PROVINCE TO: 337000 PINGXIANG, JIANGXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141106 Address after: Chishan Town, Shangli County, Pingxiang City, Jiangxi Province (national new material industry Pingxiang base) Patentee after: JIANGXI HJATIS POWER INDUSTRY CO., LTD. Address before: 325600, Jetta road 84, Liushi Town, Wenzhou, Zhejiang, Yueqing Patentee before: Yueqing Huajian Electronic Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20170327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |