CN204858742U - A device for monitoring operation of protection power equipment - Google Patents
A device for monitoring operation of protection power equipment Download PDFInfo
- Publication number
- CN204858742U CN204858742U CN201520515744.7U CN201520515744U CN204858742U CN 204858742 U CN204858742 U CN 204858742U CN 201520515744 U CN201520515744 U CN 201520515744U CN 204858742 U CN204858742 U CN 204858742U
- Authority
- CN
- China
- Prior art keywords
- signal
- port
- analog input
- resistance
- electric capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a device for monitoring operation of protection power equipment, including CPU board, switching value input board, analog input board, power strip, demonstration communication terminal and circuit part, CPU board and switching value input board, analog input board, power strip and the equal interconnect of demonstration communication terminal, the power strip provides 5V single power, and the CPU board reads the signal of voltage and current of analog input board, and the CPU board passes through IO signal transmission switching value signal with switching value input board, the analog input board converts voltage, the current conveyance mutual -inductor of gathering to current signal, the circuit part includes the AD_IN3 port, AD_IN3 port connecting resistance R99, resistance R99 shunt capacitance C86, resistance R99 and the parallelly connected back ground connection of electric capacity C86. The utility model discloses the low -power consumption moves for a long time, and the precision is higher, and the circuit is simple, and is reliable.
Description
Technical field
The utility model relates to the device that protection power equipment runs, specifically a kind of device run for monitoring and protection power equipment.
Background technology
The ratio of the clean energy resourcies such as current wind power generation and solar power generation shared by electric power system increases year by year; in wind-powered electricity generation and solar power system is all, by low pressure inverter, low pressure is raised to 35KV high pressure power transmission outward; the operational factor, protection etc. that become at actual field operation maintenance raising middle flask are all still blank; therefore device of the present invention can fill up this blank; function effectively integrates case to be become protection, data acquisition, communication are uploaded etc., makes the personnel of on-the-spot operation maintenance can check running status, accident record etc. that case becomes in the distance.
Utility model content
The purpose of this utility model is to provide a kind of low-power consumption long-play, and precision is higher, and circuit is simple, reliably for the device that monitoring and protection power equipment runs, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
For the device that monitoring and protection power equipment runs, comprise CPU board, On-off signal plate, analog input, power panel, display communication terminal and circuit part; Described CPU board is connected mutually with On-off signal plate, analog input, power panel and display communication terminal; Described power panel provides 5V single supply, and CPU board reads the voltage and current signal of analog input, and CPU board and On-off signal plate pass through by I/O signal transfer switch amount signal; Described analog input converts the voltage of collection, electric current to current signal by instrument transformer; Described circuit part comprises AD_IN3 port, AD_IN3 port contact resistance R99, resistance R99 shunt capacitance C86, ground connection after resistance R99 is in parallel with electric capacity C86; One end of connectivity port T13 and electric capacity C135 while of described AD_IN3 port, the electric capacity C135 other end is one end of contact resistance R95 and the positive input terminal of amplifier simultaneously; The other end of described resistance R95 connects REF port; Described Amplifier Model is TLC2274AID, and the negative input end of amplifier connects its output, one end of connectivity port T16 and electric capacity C199 while of its output, the other end ground connection of electric capacity C199.
Further, described power panel connects the power supply terminal of 220V.
Further, described power panel has capacitance energy storage.
Further, described On-off signal plate directly gathers the signal of 220V.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model can low-power consumption long-play when externally fed dead electricity, and send dead electricity alarm signal, simultaneously, eliminate the problem that conventional 24V On-off signal separately adds 24V Switching Power Supply, and electric pressure high anti-jamming capacity is strong, and current source signal has more anti-interference relative to voltage signal, and precision is higher;
2, the utility model is in the positive and negative AC signal of collection, and product amplifier of the same type adopts single power supply, only gathers the AC signal of half cycle, thus causes distorted signals, deterioration in accuracy;
3, in the utility model, AD_IN3 port is the ac current signal of positive negative ripple, the voltage signal of positive negative ripple is changed by resistance R99, voltage signal is coupled on the direct current signal of 1.25V by C135, just complete AC signal waveform can be gathered when single supply op by the method, the precision of the sampling improved, this circuit of field data show reaches the standard-required of design simply, reliably, completely.
Accompanying drawing explanation
Fig. 1 is system schematic in the device for the operation of monitoring and protection power equipment.
Fig. 2 is circuit diagram in the device for the operation of monitoring and protection power equipment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of device run for monitoring and protection power equipment, comprises CPU board, On-off signal plate, analog input, power panel, display communication terminal and circuit part; Described CPU board is connected mutually with On-off signal plate, analog input, power panel and display communication terminal; Described power panel provides 5V single supply, and CPU board reads the voltage and current signal of analog input, and CPU board and On-off signal plate pass through by I/O signal transfer switch amount signal.Wherein, relay outputs signal to the relay on power panel; Described power panel connects the power supply terminal of 220V.Described power panel has super capacitor energy-storage, can low-power consumption long-play when externally fed dead electricity, and send dead electricity alarm signal.Described On-off signal plate directly gathers the signal of 220V, eliminate the problem that conventional 24V On-off signal separately adds 24V Switching Power Supply, and electric pressure high anti-jamming capacity is strong.Described analog input converts the voltage of collection, electric current to current signal by instrument transformer, and current source signal has more anti-interference relative to voltage signal, and precision is higher.
In utility model works, in the positive and negative AC signal of collection, product amplifier of the same type adopts single power supply, only gathers the AC signal of half cycle, thus causes distorted signals, deterioration in accuracy; Described circuit part comprises AD_IN3 port, AD_IN3 port contact resistance R99, resistance R99 shunt capacitance C86, ground connection after resistance R99 is in parallel with electric capacity C86; One end of connectivity port T13 and electric capacity C135 while of described AD_IN3 port, the electric capacity C135 other end is one end of contact resistance R95 and the positive input terminal of amplifier simultaneously; The other end of described resistance R95 connects REF port; Described Amplifier Model is TLC2274AID, and the negative input end of amplifier connects its output, one end of connectivity port T16 and electric capacity C199 while of its output, the other end ground connection of electric capacity C199; In work, AD_IN3 port is the ac current signal of positive negative ripple, the voltage signal of positive negative ripple is changed by resistance R99, voltage signal is coupled on the direct current signal of 1.25V by C135, just complete AC signal waveform can be gathered when single supply op by the method, the precision of the sampling improved, this circuit of field data show reaches the standard-required of design simply, reliably, completely.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1., for the device that monitoring and protection power equipment runs, comprise CPU board, On-off signal plate, analog input, power panel, display communication terminal and circuit part; It is characterized in that, described CPU board is connected mutually with On-off signal plate, analog input, power panel and display communication terminal; Described power panel provides 5V single supply, and CPU board reads the voltage and current signal of analog input, and CPU board and On-off signal plate pass through by I/O signal transfer switch amount signal; Described analog input converts the voltage of collection, electric current to current signal by instrument transformer; Described circuit part comprises AD_IN3 port, AD_IN3 port contact resistance R99, resistance R99 shunt capacitance C86, ground connection after resistance R99 is in parallel with electric capacity C86; One end of connectivity port T13 and electric capacity C135 while of described AD_IN3 port, the electric capacity C135 other end is one end of contact resistance R95 and the positive input terminal of amplifier simultaneously; The other end of described resistance R95 connects REF port; Described Amplifier Model is TLC2274AID, and the negative input end of amplifier connects its output, one end of connectivity port T16 and electric capacity C199 while of its output, the other end ground connection of electric capacity C199.
2. the device run for monitoring and protection power equipment according to claim 1, is characterized in that, described power panel connects the power supply terminal of 220V.
3. the device run for monitoring and protection power equipment according to claim 1, is characterized in that described power panel has capacitance energy storage.
4. the device run for monitoring and protection power equipment according to claim 1, it is characterized in that, described On-off signal plate directly gathers the signal of 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515744.7U CN204858742U (en) | 2015-07-16 | 2015-07-16 | A device for monitoring operation of protection power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515744.7U CN204858742U (en) | 2015-07-16 | 2015-07-16 | A device for monitoring operation of protection power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858742U true CN204858742U (en) | 2015-12-09 |
Family
ID=54749255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520515744.7U Expired - Fee Related CN204858742U (en) | 2015-07-16 | 2015-07-16 | A device for monitoring operation of protection power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204858742U (en) |
-
2015
- 2015-07-16 CN CN201520515744.7U patent/CN204858742U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105116956A (en) | Maximum power tracing controller applied to photovoltaic power generation system | |
| CN204945867U (en) | A kind of maximal power tracing controlling apparatus being applied to photovoltaic generating system | |
| CN204272011U (en) | A kind of solar photovoltaic water pump control system | |
| CN101408594A (en) | Device suitable for monitoring direct-current power supply ripple coefficient | |
| CN201311485Y (en) | Ripple factor detecting device adapted to DC power supply | |
| CN203481920U (en) | Comprehensive online acquisition device for intelligent areas | |
| CN204535750U (en) | A kind of energy-saving type frequency conversion device on-Line Monitor Device | |
| CN204858742U (en) | A device for monitoring operation of protection power equipment | |
| CN104362689A (en) | Direct-current emergency power supply device with supercapacitor module | |
| CN203775473U (en) | Power-saving control cabinet of intelligent street lamp | |
| CN205374541U (en) | Smart electric meter base | |
| CN205301405U (en) | Novel digital power frequency virtual value multimeter of low -power consumption | |
| CN205049641U (en) | Group battery cell voltage detection device | |
| CN204945239U (en) | Electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter | |
| CN204216669U (en) | A kind of interchange monitoring unit | |
| CN204439706U (en) | A kind of wide-range electric power meter | |
| CN204102020U (en) | A kind of constant-current supply system for earth mat current by pass proving installation transmitter module | |
| CN203069751U (en) | Circuit breaker state monitoring device | |
| CN203967758U (en) | A kind of reactive power compensation system with temperature acquisition function | |
| CN205407664U (en) | Novel photovoltaic power generation controller | |
| CN204789844U (en) | A residual current detecting system for domestic intelligent power distribution system | |
| CN204556716U (en) | A kind of heavy current electrokinetic cell high precision collecting system | |
| CN204794897U (en) | Solar photovoltaic intelligence control system that generates electricity | |
| CN204423626U (en) | Photovoltaic plant power line-carrier intelligent concentrator | |
| CN204789714U (en) | A current detection system for domestic intelligent power distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |