CN201590648U - Relay protection measurement and control device for factories and mines - Google Patents
Relay protection measurement and control device for factories and mines Download PDFInfo
- Publication number
- CN201590648U CN201590648U CN2010203013585U CN201020301358U CN201590648U CN 201590648 U CN201590648 U CN 201590648U CN 2010203013585 U CN2010203013585 U CN 2010203013585U CN 201020301358 U CN201020301358 U CN 201020301358U CN 201590648 U CN201590648 U CN 201590648U
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- control
- data processing
- relay
- processing module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting elements, switches, relays or circuit breakers
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Abstract
The utility model discloses a relay protection measurement and control device for factories and mines, which comprises a CPU control and data processing module, a current or voltage signal sampling module, a switch valve acquisition module, a relay output control module, a communication module, an indicating lamp and clock module and a liquid crystal display and key operating module, and is characterized in that the CPU control and data processing module is respectively and electrically connected with the current or voltage signal sampling module, the switch valve acquisition module, the relay output control module, the indicating lamp and clock module and the liquid crystal display and key operating module, the CPU control and data processing module selects a microprocessor with computing speed of 50-100MIPS, and is provided with 128KFLASH, 32KRAM, SPI,12C, 12 DAC passages, and 2 communication or CAN interfaces. The relay protection measurement and control device can meet the requirements of multiple protection functions, complete multiple functions such as line protection measurement and control, motor protection measurement and control, capacitor protection measurement and control and the like, and can be flexibly assembled into various communication networks, as well as can display clearly, intuitively and comprehensively with large quantity of data.
Description
Technical field
The utility model relates to a kind of factories and miness measurement and Control Equipment for Relay Protection.
Background technology
The measurement and Control Equipment for Relay Protection that is applied to 10kV and following electric pressure field at present has the following disadvantages: (1) alternating current quantity sampling number of channels less (mostly be 5-6), can't satisfy the needs of kinds of protect function; (2) relay export volume few (mostly being 4-5) can't satisfy various control requirements; (3) adopt charactron or character mode lcd module to show, and liquid crystal display area is less, information shows comprehensive inadequately, directly perceived; (4) can only gather several roads (less than 8 tunnel) switching value input signal; (5) communication function is single, has only a RS485 communication port mostly, and the multiple network interface can't be provided; (6) 4~20mA signal output channels do not possess photoelectricity isolation performance, poor anti jamming capability; (7) do not possess device working temperature measurement function.Its certainty of measurement is not high yet, transfer of data is untimely.
The utility model content
The purpose of this utility model is to provide a kind of novel measurement and Control Equipment for Relay Protection.With the needs of realizing satisfying the kinds of protect function, have multiple functions such as can finishing route protection observing and controlling, motor protection observing and controlling or capacitor protection observing and controlling, can form various communication networks flexibly; And clear display, directly perceived, comprehensive, data volume is big.
The purpose of this utility model is achieved through the following technical solutions: comprise CPU control and data processing module, curtage signal sampling module, the switch acquisition module, the relay output control module, communication module, indicator light and clock module, liquid crystal display and button operation module, it is characterized in that, described CPU control and data processing module respectively with curtage signal sampling module, the switch acquisition module, the relay output control module, indicator light and clock module, liquid crystal display and button operation module are electrically connected, it is the microprocessor of 50~100MIPS scope that described CPU control and data processing module are selected arithmetic speed for use, band 128KFLASH, 32KRAM, SPI, I2C, 12 DAC passages, 2 tunnel communications or CAN interface.
Be built-in with temperature sensor in described CPU control and the data processing module, and, revise and draw the device working temperature by computed in software.
Described curtage signal sampling module adopts the current transformer of 5A/1mA or the voltage transformer of 2mA/2mA, and described current transformer or voltage transformer are sent into CPU control and data processing module by the spi bus mode.
Described switch acquisition module: adopt the MCP23S17 chip to open into signals collecting, by spi bus with transfer of data to CPU control and data processing module.
Described relay output module: adopt the MCP23S17 chip to carry out relay control signal output, the CPU control command is transferred to each relay by spi bus.
Described communication module: adopt two-way RS485 or CAN bus.Its RS485 communication realizes communication by SN65HVD17 after the light lotus root isolates; The CAN bus communication is realized by the PCA82C250 chip after the light lotus root isolates.
Described indicator light and clock module adopt the I2C bus to be electrically connected with CPU control and data processing module by PCF8574 and two chips of DS1307.CPU control indicator light Push And Release state, and read real-time clock time.
Described liquid crystal display and button operation module adopt the wrongly written or mispronounced character LCD MODULE of the blue end of 128 * 64 dot matrix, by spi bus and CPU control and data processing module swap data.
The utility model can be gathered the alternating current or the ac voltage signal of 8 passages, can finish functions such as route protection observing and controlling, motor protection observing and controlling or capacitor protection observing and controlling; Have 8 separate relay delivery outlets, each relay outlet function all can be carried out the independent logical programming Control; Can gather 16 way switch amount input signals, and the output of 24V switching value Control work power supply is provided; The access of switching value only needs to insert idle contact and gets final product; Device has 2 road RS485 or 2 road CAN bus communication abilities, can form various communication networks flexibly; Have the temperature survey function, can real-time detection apparatus temperature in working order the time; Adopt the wrongly written or mispronounced character Liquid Crystal Module of the blue end of 128 * 64 dot matrix to show related data and Chinese character information.Has clear display, directly perceived, comprehensive, the characteristics that data volume is big; Its reliability height can reliable and stable operation under various interference environments; And volume is little, in light weight, be adapted at different field installs flexibly.Be applicable to the 10kV and the following grade electric power system of aspects such as thermoelectricity, thermoelectricity, water power, electrical network, transformer station (institute), pumping plant, key water control project, can be widely used in multiple industry or fields such as electric power, water conservancy, metallurgy, petrochemical industry, chemical industry, railway, harbour, municipal administration, building materials, post and telecommunications, tobacco, papermaking, space flight base, Civil Aviation Airport and hospital, school.
Description of drawings
Accompanying drawing is the utility model block diagram.
Embodiment
Embodiment:
Be provided with CPU control and data processing module 1, curtage signal sampling module 2, switch acquisition module 3, relay output control module 4, communication module 5, liquid crystal display and button operation module 6, indicator light clock module 7.
The CPU of present embodiment control and data processing module 1 are electrically connected with curtage signal sampling module 2, switch acquisition module 3, relay output control module 4, communication module 5, liquid crystal display and button operation module 6 respectively, 7 electrical connections of indicator light clock module.The CPU control of present embodiment and data processing module select for use arithmetic speed to reach as high as the technical grade microprocessor of 100MIPS, are with 128KFLASH, 32KRAM, SPI, I2C, 12 DAC passages, 2 tunnel communications or CAN interfaces; In CPU control and data processing module, be built-in with temperature sensor, and, revise and draw the device working temperature by computed in software.
The curtage signal sampling module of present embodiment adopts the current transformer of 5A/1mA or the voltage transformer of 2mA/2mA, gathers the curtage signal.After carrying out signal processing by operational amplifier,, adopt the spi bus mode to send into cpu chip through the A/D conversion chip.
The switch acquisition module of present embodiment: adopt the MCP23S17 chip to open into signals collecting, by spi bus with transfer of data to CPU control and data processing module.
The relay output module of present embodiment: adopt the MCP23S17 chip to carry out relay control signal output, the CPU control command is transferred to each relay by spi bus.
The communication module of present embodiment: adopt two-way RS485 or CAN bus.Described RS485 or CAN bus are prior art.Its RS485 communication realizes communication by SN65HVD17 after the light lotus root isolates; The CAN bus communication is realized by the PCA82C250 chip after the light lotus root isolates.
The indicator light of present embodiment and clock module adopt the I2C bus mode by PCF8574 and two chips of DS1307, and CPU controls indicator light Push And Release state, and reads real-time clock time.
The liquid crystal display of present embodiment and button operation module adopt the wrongly written or mispronounced character LCD MODULE of the blue end of 128 * 64 dot matrix, by spi bus and CPU swap data.
Claims (6)
1. factories and miness measurement and Control Equipment for Relay Protection; comprise CPU control and data processing module; curtage signal sampling module; the switch acquisition module; the relay output control module; communication module; indicator light and clock module; liquid crystal display and button operation module; it is characterized in that; described CPU control and data processing module respectively with curtage signal sampling module; the switch acquisition module; the relay output control module; indicator light and clock module; liquid crystal display and button operation module are electrically connected; it is the microprocessor of 50~100MIPS scope that described CPU control and data processing module are selected arithmetic speed for use, band 128KFLASH; 32KRAM; SPI; I2C; 12 DAC passages; 2 tunnel communications or CAN interface.
2. factories and miness measurement and Control Equipment for Relay Protection according to claim 1 is characterized in that, is built-in with temperature sensor in described CPU control and the data processing module.
3. factories and miness measurement and Control Equipment for Relay Protection according to claim 1; it is characterized in that; described curtage signal sampling module adopts the current transformer of 5A/1mA or the voltage transformer of 2mA/2mA, and described current transformer or voltage transformer are sent into CPU control and data processing module by the spi bus mode.
4. factories and miness measurement and Control Equipment for Relay Protection according to claim 1; it is characterized in that; described relay output module: adopt the MCP23S17 chip to carry out relay control signal output, the control command of CPU control and data processing module is transferred to each relay by spi bus.
5. factories and miness measurement and Control Equipment for Relay Protection according to claim 1 is characterized in that, described indicator light and clock module adopt the I2C bus to be electrically connected with CPU control and data processing module by PCF8574 and two chips of DS1307.
6. factories and miness measurement and Control Equipment for Relay Protection according to claim 1; it is characterized in that; described liquid crystal display and button operation module adopt the wrongly written or mispronounced character LCD MODULE of the blue end of 128 * 64 dot matrix, by spi bus and CPU control and data processing module swap data.
Priority Applications (1)
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CN2010203013585U CN201590648U (en) | 2010-01-25 | 2010-01-25 | Relay protection measurement and control device for factories and mines |
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CN2010203013585U CN201590648U (en) | 2010-01-25 | 2010-01-25 | Relay protection measurement and control device for factories and mines |
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CN201590648U true CN201590648U (en) | 2010-09-22 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102355062A (en) * | 2011-10-17 | 2012-02-15 | 浙江省电力试验研究院 | IEC (International Electrotechnical Commission) 61850 relay protection model checking method |
CN108054754A (en) * | 2017-12-22 | 2018-05-18 | 南京因泰莱电器股份有限公司 | A kind of optimization low frequency deloading method of enterprise's isolated power grid based on GOOSE network |
-
2010
- 2010-01-25 CN CN2010203013585U patent/CN201590648U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102355062A (en) * | 2011-10-17 | 2012-02-15 | 浙江省电力试验研究院 | IEC (International Electrotechnical Commission) 61850 relay protection model checking method |
CN102355062B (en) * | 2011-10-17 | 2013-04-03 | 浙江省电力公司电力科学研究院 | IEC (International Electrotechnical Commission) 61850 relay protection model checking method |
CN108054754A (en) * | 2017-12-22 | 2018-05-18 | 南京因泰莱电器股份有限公司 | A kind of optimization low frequency deloading method of enterprise's isolated power grid based on GOOSE network |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120210 Address after: 410205 Hunan province Changsha high tech Development Zone Lusong Lu Valley Road Patentee after: HNAC Technology Co., Ltd. Address before: 410205 Hunan province Changsha high tech Development Zone Lusong Lu Valley Road Patentee before: Hunan Huazi Technology Co., Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100922 |