CN101807820A - Transformer platform electrical energy data acquisition terminal and data acquisition implementing method applying same - Google Patents
Transformer platform electrical energy data acquisition terminal and data acquisition implementing method applying same Download PDFInfo
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Abstract
The invention relates to a transformer platform electrical energy data acquisition terminal and a data acquisition implementing method applying same, in particular to an electrical energy data acquisition terminal which solves the problem that the existing data acquisition terminal can not continuously carry out data acquisition when a data acquisition interface has fault. The data acquisition terminal comprises a control circuit, a main station communication interface circuit, a wireless communication module, a power supply circuit, a Flash memorizer, a data acquisition interface circuit and a data acquisition expanding interface circuit, wherein the data acquisition expanding interface circuit and the data acquisition interface circuit work at the same time, and the data acquisition method is realized by applying the terminal; and after relation is established between the terminal and a main station server, a microprocessor controls the data acquisition interface circuit and the data acquisition expanding interface circuit to carry out data acquisition on an electricity meter. The terminal leads another data acquisition interface to be automatically switched when one data acquisition interface has fault, thus being applicable to the data acquisition of a transformer platform.
Description
Technical field
The present invention relates to a kind of electrical energy data acquiring terminal.
Background technology
Transformer platform is meant the electric energy conversion facilities that devices such as transformer, lightning arrester, electric energy meter are arranged at an insulation protection housing internal fixation.Do not concentrate because transformer platform has distribution, use the region wide, the load difference is big, and use is seasonal, period strong, can't in time feed back a series of shortcomings such as destroyed information, and this brings very big difficulty for the data collection and administration of transformer platform.
Traditional data acquisition adopts the mode of artificial reading, hand-written record to realize, therefore, the data promptness, accuracy and the consistency that collect are relatively poor, in recent years, utilize data collection station that electric energy meter is carried out data acquisition and remote transmission, can effectively improve the accuracy rate of data.With regard to existing data collection station, when data acquisition interface broke down, data collection station can't operate as normal, image data is carried out in its timely, intact lost territory brought very big inconvenience.
Summary of the invention
The objective of the invention is when data acquisition interface breaks down, can't proceed the problem of data acquisition, a kind of transformer platform electrical energy data collection station is provided and has used the method that described data collection station is realized data acquisition for solving existing data collection station.
The present invention is achieved by following proposal: a kind of transformer platform electrical energy data collection station, it comprises control circuit, main website communication interface circuit, wireless communication module, power-supplying circuit, internal clock circuit, the Flash memory, the service interface circuit, battery and data acquisition interface circuit, the communication interface signal input output end of control circuit links to each other with the communication interface signal input output end of main website communication interface circuit, the input/output terminal of main website communication interface circuit links to each other with the input/output terminal of wireless communication module, the voltage output end of battery links to each other with the voltage input end of wireless communication module, the clock signal output terminal of internal clock circuit links to each other with the clock signal input terminal of control circuit, the storage data input/output terminal of control circuit links to each other with the storage data input and output of Flash memory, the reading of data input of control circuit links to each other with the reading of data output of service interface circuit, four voltage output ends of power-supplying circuit respectively with the voltage input end of control circuit, the voltage input end of main website communication interface circuit, the voltage input end of Flash memory links to each other with the voltage input end of service interface circuit, described data acquisition interface circuit is by an interface chip, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, an anti-thunder tube, inductance L 1, inductance L 2 and voltage suppressor are formed, first of control circuit is received/is sent out control signal output ends and receives signal input end and first input that transmits control signal with first of an interface chip respectively and link to each other, first of control circuit sends data output end and links to each other with the first transmission data input pin of an interface chip, first of an interface chip receives data output end and links to each other with first end that receives data input pin and resistance R 5 of control circuit respectively, the other end of resistance R 5 links to each other with a voltage output end of power-supplying circuit, an image data output of an ammeter interface respectively with an end of an anti-thunder tube, one end of resistance R 4 and an end of inductance L 1 link to each other, another image data output of an ammeter interface respectively with the other end of an anti-thunder tube, one end of the other end of resistance R 4 and inductance L 2 links to each other, the other end of inductance L 1 respectively with an end of voltage suppressor, the first image data input of one end of resistance R 2 and an interface chip links to each other, the other end of inductance L 2 respectively with the other end of voltage suppressor, the second image data input of the other end of resistance R 2 and an interface chip links to each other, a voltage output end of power-supplying circuit respectively with the voltage input end of an interface chip, one end of resistance R 1 links to each other, the other end of resistance R 1 links to each other with the first image data input of an interface chip, the second image data input of an interface chip links to each other with an end of resistance R 3, the other end of resistance R 3 links to each other with the ground wire of an interface chip and ground connection, it also comprises the data acquisition expansion interface circuit, described data acquisition expansion interface circuit is by No. two interface chips, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, No. two anti-thunder tubes and No. two ammeter interfaces are formed, second of control circuit is received/is sent out control signal output ends and receives signal input end and first input that transmits control signal with first of No. two interface chips respectively and link to each other, second of control circuit sends data output end and links to each other with the second transmission data input pin of No. two interface chips, second of No. two interface chips receive data output end and link to each other with second end that receives data input pin and resistance R 10 of control circuit respectively, the other end of resistance R 10 links to each other with a voltage output end of power-supplying circuit, an image data output of No. two ammeter interfaces respectively with an end of No. two anti-thunder tubes, one end of resistance R 9, the first image data input of one end of resistance R 7 and No. two interface chips links to each other, another image data output of No. two ammeter interfaces respectively with the other end of No. two anti-thunder tubes, the other end of resistance R 9, the second image data input of the other end of resistance R 7 and No. two interface chips links to each other, a voltage output end of power-supplying circuit respectively with the voltage input end of No. two interface chips, one end of resistance R 6 links to each other, the other end of resistance R 6 links to each other with the first image data input of No. two interface chips, the second image data input of No. two interface chips links to each other with an end of resistance R 8, and the other end of resistance R 8 links to each other with the ground wire of No. two interface chips and ground connection.
Described method based on a kind of transformer platform electrical energy data collection station realization data acquisition, the process of data acquisition is:
Step 1, described a kind of transformer platform electrical energy data collection station is powered on,, wireless communication module circuit and main website server are set up wireless connections according to the operational factor that the microprocessor of control circuit is set;
Microprocessor in step 2, the control circuit is according to setting of task, in the set time, the interrupt requests of response internal clocking, by the data acquisition interface circuit electric energy meter is carried out data acquisition, when the data acquisition interface circuit breaks down, control circuit shielding corresponding interface, the corresponding interface of trigger data acquisition expansion interface circuit simultaneously, with the storage that collects in the Flash memory;
Design has the data acquisition expansion interface circuit in the data collection station of the present invention, described control circuit plays the effect of monitoring to data acquisition interface circuit, when the data acquisition interface circuit breaks down can't normally gather the electric energy meter data time, the data acquisition expansion interface circuit is controlled by microprocessor, surrogate data method acquisition interface circuit carries out data acquisition to electric energy meter, data acquisition expansion interface circuit and data acquisition interface circuit also can be worked simultaneously, can carry out data acquisition simultaneously to polytype electric energy meter efficiently, the present invention is used for the data acquisition of transformer platform, make confession, distribution management department has grasped the operating position of transformer platform timely and accurately, and reduced administrative expenses, strengthened the electricity consumption supervision.
Description of drawings
Fig. 1 is the structural representation of a kind of transformer platform electrical energy data collection station described in the embodiment one; Fig. 2 is the structural representation of embodiment 4; Fig. 3 is the structural representation of embodiment five; Fig. 4 is the structural representation of embodiment six; Fig. 5 is the flow chart of embodiment seven.
Embodiment
Embodiment one: specify present embodiment below in conjunction with Fig. 1.A kind of transformer platform electrical energy data collection station, it comprises control circuit 1, main website communication interface circuit 2, wireless communication module 3, power-supplying circuit 4, internal clock circuit 5, Flash memory 6, service interface circuit 7, battery 8 and data acquisition interface circuit 9, the communication interface signal input output end of control circuit 1 links to each other with the communication interface signal input output end of main website communication interface circuit 2, the input/output terminal of main website communication interface circuit 2 links to each other with the input/output terminal of wireless communication module 3, the voltage output end of battery 8 links to each other with the voltage input end of wireless communication module 3, the clock signal output terminal of internal clock circuit 5 links to each other with the clock signal input terminal of control circuit 1, the storage data input/output terminal of control circuit 1 links to each other with the storage data input and output of Flash memory 6, the reading of data input of control circuit 1 links to each other with the reading of data output of service interface circuit 7, four voltage output ends of power-supplying circuit 4 respectively with the voltage input end of control circuit 1, the voltage input end of main website communication interface circuit 2, the voltage input end of Flash memory 6 links to each other with the voltage input end of service interface circuit 7, described data acquisition interface circuit 9 is by an interface chip T1, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, an anti-thunder tube Q1, inductance L 1, inductance L 2 and voltage suppressor P1 form, first of control circuit 1 is received/is sent out control signal output ends KM1 and receives signal input end RE1 and the first input DE1 that transmits control signal with first of an interface chip T1 respectively and link to each other, first of control circuit 1 sends data output end TX1 and links to each other with the first transmission data input pin DI1 of an interface chip T1, first of an interface chip T1 receives data output end RO1 and links to each other with first end that receives data input pin RX1 and resistance R 5 of control circuit 1 respectively, the other end of resistance R 5 links to each other with a voltage output end of power-supplying circuit 4, the image data output of an ammeter interface J1 respectively with the end of an anti-thunder tube Q1, one end of resistance R 4 and an end of inductance L 1 link to each other, another image data output of an ammeter interface J1 respectively with the other end of an anti-thunder tube Q1, one end of the other end of resistance R 4 and inductance L 2 links to each other, the other end of inductance L 1 respectively with the end of voltage suppressor P1, the first image data input A1 of one end of resistance R 2 and an interface chip T1 links to each other, the other end of inductance L 2 respectively with the other end of voltage suppressor P1, the second image data input B1 of the other end of resistance R 2 and an interface chip T1 links to each other, a voltage output end of power-supplying circuit 4 respectively with the voltage input end VCC1 of an interface chip T1, one end of resistance R 1 links to each other, the other end of resistance R 1 links to each other with the first image data input A1 of an interface chip T1, the second image data input B1 of an interface chip T1 links to each other with an end of resistance R 3, the other end of resistance R 3 links to each other with the ground wire GND1 of an interface chip T1 and ground connection, it also comprises data acquisition expansion interface circuit 10, described data acquisition expansion interface circuit 10 is by No. two interface chip T2, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, No. two anti-thunder tube Q2 and No. two ammeter interface J2 form, second of control circuit 1 is received/is sent out control signal output ends KM2 and receives signal input end RE2 and the first input DE2 that transmits control signal with first of No. two interface chip T2 respectively and link to each other, second of control circuit 1 sends data output end TX2 and links to each other with the second transmission data input pin DI2 of No. two interface chip T2, second of No. two interface chip T2 receive data output end RO2 and link to each other with second end that receives data input pin RX2 and resistance R 10 of control circuit 1 respectively, the other end of resistance R 10 links to each other with a voltage output end of power-supplying circuit 4, the image data output of No. two ammeter interface J2 respectively with the end of No. two anti-thunder tube Q2, one end of resistance R 9, the first image data input A2 of one end of resistance R 7 and No. two interface chip T2 links to each other, another image data output of No. two ammeter interface J2 respectively with the other end of No. two anti-thunder tube Q2, the other end of resistance R 9, the second image data input B2 of the other end of resistance R 7 and No. two interface chip T2 links to each other, a voltage output end of power-supplying circuit 4 respectively with the voltage input end VCC2 of No. two interface chip T2, one end of resistance R 6 links to each other, the other end of resistance R 6 links to each other with the first image data input A2 of No. two interface chip T2, the second image data input B2 of No. two interface chip T2 links to each other with an end of resistance R 8, and the other end of resistance R 8 links to each other with the ground wire GND2 of No. two interface chip T2 and ground connection.
An interface chip T1 described in the present embodiment and the model of No. two interface chip T2 are TI184.
Data acquisition interface circuit 9 of the present invention can insert main electric energy meter both at home and abroad, the parameters such as electric flux, requirement, variable and parameter that realize gathering the various electric energy meters that comprise common electric energy meter, multifunctional electric energy meter, platform district table of merit rating and voltage table of merit rating.For the electric energy meter of failing to insert, also can customize according to its electric energy meter communication protocol.
Performance index:
1. the electric energy meter communication protocol that can insert has DL/T645, IEC62056-21, DLMS, ION etc.;
2. described data acquisition interface circuit 9 and data acquisition expansion interface circuit 10 also can be used as service port and terminal running state monitoring interface are set;
3. the electric energy meter communication interface type that can insert is RS485, also can customize according to user's request;
4. data collection station of the present invention can detect 36 electric energy meters simultaneously, according to user's needs it is expanded to two-way, the electric energy meter mean allocation that inserts is arrived each electric energy meter communication interface, the parallel acquisition data, adopt this kind mode, can improve data acquisition efficiency, guarantee the real-time of image data amount.
The described power-supplying circuit 4 of present embodiment can realize being output as built-in ac-dc dual power supply according to its different circuit constituted mode.
Described power-supplying circuit 4 supports that the input voltage range of AC power is 160～400V, and frequency is 47～65Hz, and power-supplying circuit 4 supports that the input voltage range of DC power supply is 80～300V.
Described power-supplying circuit 4 makes a kind of transformer platform electrical energy data collection station of the present invention have following characteristics aspect Electro Magnetic Compatibility:
1. described power-supplying circuit 4 can be resisted the High-frequency Interference of 4kV;
2. described power-supplying circuit 4 anti-fast transient impulse train abilities are 4kV;
3. described power-supplying circuit 4 can be resisted the surge impact of 4kV;
4. described data collection station antistatic effect is the atmospherical discharges of 8kV;
5. described data collection station can bear the sinusoidal wave continuously power frequency magnetic field of 400A/m and disturb;
6. the damp and hot performance of alternation meets 4.7 regulations among the GB/T13729-1992.
The microcontroller chip of 5 pairs of control circuits 1 of the described internal clock circuit of present embodiment provides the fixing clock cycle, keep information such as tracking time and date, the clock accuracy error is lower than 0.1 second/day, and can be according to the time automatic correcting time of the mobile communication network that obtains.
The described Flash memory 6 of present embodiment is the novel nonvolatile memories that grew up in recent years, it has that the power down data are not lost, fast data access speed, electric erasable, capacity are big, online programmable, cheap and nearly 100,000 times erasable number of times and higher plurality of advantages such as reliability, Flash memory 6 is used to store a large amount of real time datas, historical data and logout in the present embodiment, Flash memory 6 capacity are 8MB, can expand it according to actual needs.
The described service interface circuit 7 of present embodiment connects computer, can change the operational factor of data collection station of the present invention by the input information of computer.
The described battery 8 of present embodiment is used for wireless communication module 3 power supplies are kept the internal information of wireless communication module 3.
A kind of transformer platform electrical energy data collection station of the present invention adopts low power dissipation design, can reduce line loss.For different configuration modules and working method, described data collection station Overall Power Consumption is less than 2W.
A kind of transformer platform electrical energy data collection station of the present invention has the internal protection function, can realize self diagnosis and self-recovering function.
A kind of transformer platform electrical energy data collection station of the present invention, collection period is according to user's real needs, programmable.
Design has the data acquisition expansion interface circuit in the data collection station of the present invention, 1 pair of data acquisition interface of described control circuit circuit 9 plays the effect of monitoring, when data acquisition interface circuit 9 breaks down can't normally gather the electric energy meter data time, data acquisition expansion interface circuit 10 is controlled by microprocessor, 9 pairs of electric energy meters of surrogate data method acquisition interface circuit carry out data acquisition, data acquisition expansion interface circuit and data acquisition interface circuit also can be worked simultaneously, can carry out data acquisition simultaneously to polytype electric energy meter efficiently, the present invention is used for the data acquisition of transformer platform, make confession, distribution management department has grasped the operating position of transformer platform timely and accurately, and reduced administrative expenses, strengthened the electricity consumption supervision.
Embodiment two: the difference of present embodiment and embodiment one described a kind of transformer platform electrical energy data collection station is that the microprocessor of described control circuit 1 adopts ATmega2560 series monolithic chip to realize.
The ATmega2560 series monolithic chip that the present invention adopts is strong, the multiple functional chip of high performance-cost ratio, antijamming capability, is fit to C language and assembler language hybrid programming.
Embodiment three: the difference of present embodiment and embodiment one described a kind of transformer platform electrical energy data collection station is, the type selecting of described wireless communication module 3 is a kind of in GPRS communication module, CDMA communication module, MODEM special line or dialing communication module, data radio station communication module, bluetooth communication module or the ethernet communication module.
The described wireless communication module 3 of present embodiment is removable.
The connection that main website communication interface circuit 2 can be realized wireless communication module 3, interface type according to the corresponding main website of the type selecting of wireless communication module 3 communication interface circuit 2, main website communication interface circuit 2 is set at a type in GPRS interface, CDMA interface, MODEM special line or dialing interface, data radio station interface, blue tooth interface and the Ethernet interface according to actual conditions, and can expand according to concrete needs.
Embodiment four: specify present embodiment below in conjunction with Fig. 2.The difference of present embodiment and embodiment one described a kind of transformer platform electrical energy data collection station is, it also comprises environment heater circuit 13, described environment heater circuit 13 is made up of relay S, heating resistor Rh, the temperature control signals output of control circuit 1 links to each other with the control end of relay S, and second source 14 heats heating resistor Rh by relay S.
Control circuit 1 is by detecting the resistance of thermistor in the power-supplying circuit 4 in the present embodiment, judge the temperature of external environment, when ambient temperature is crossed when low, the microprocessor output control signal of control circuit 1, make the coil two ends of relay S add certain voltage, can flow through certain electric current in the coil this moment, thereby generation galvanomagnetic effect, the band armature moving contact under the attraction force acts of electromagnetic force with the normally-closed contact adhesive, reached the conducting purpose of circuit, make the heating resistor Rh that is connected on 14 two outputs of second source start working, produce heat, change the operational environment of power-supplying circuit 4.
The described electrical energy data acquiring terminal of present embodiment can be carried out work under the environment of ultralow temperature, according to various mal-conditions such as temperature, humidity, thunderbolts, the structure of each functional circuit of appropriate design and the mounting means of each module make it have stable service behaviour and superpower antijamming capability.Under the situation of no condensation, but can be lower than under 95% the environment all operate as normal in relative humidity; Temperature range of operation is wide, can be in-40 ° to 70 ° scopes operate as normal, be suitable for domestic and international most of region.
Embodiment five: specify present embodiment below in conjunction with Fig. 3.The difference of present embodiment and embodiment one described a kind of transformer platform electrical energy data collection station is, it also comprises RAM memory 11, the data cached input/output terminal of control circuit 1 links to each other with the data cached input/output terminal of RAM memory 11, and the voltage output end of power-supplying circuit 4 links to each other with the voltage input end of RAM memory 11.
Present embodiment has increased the RAM memory 11 that is used to store a large amount of real time datas, and the characteristics of RAM memory 11 are that speed is fast, and the read-write power consumption is extremely low.Adopt RAM memory 11 as an intermediate station between microprocessor and the Flash memory 6, in order to improve the overall performance of system.
The port image data is gathered in microprocessor control, and with the storage that collects in RAM memory 11, after data acquisition is finished, with the data conversion storage in the RAM memory 11 to Flash memory 6.
Embodiment six: specify present embodiment below in conjunction with Fig. 4.The difference of present embodiment and embodiment one and embodiment three described a kind of transformer platform electrical energy data collection stations is, it also comprises LED display circuit 12, the shows signal output of control circuit 1 links to each other with the shows signal input of LED display circuit 12, and the voltage output end of power-supplying circuit 4 links to each other with the voltage input end of LED display circuit 12.
Embodiment seven: specify present embodiment below in conjunction with Fig. 5.Described embodiment one to six any one process based on the method for transformer platform electrical energy data collection station realization data acquisition that is based on of present embodiment is:
Step 1, described a kind of transformer platform electrical energy data collection station is powered on,, wireless communication module circuit 3 and main website server are set up wireless connections according to the operational factor that the microprocessor of control circuit 1 is set;
Microprocessor in step 2, the control circuit 1 is according to setting of task, in the set time, the interrupt requests of response internal clocking, carry out data acquisition by 9 pairs of electric energy meters of data acquisition interface circuit, when data acquisition interface circuit 9 breaks down, control circuit 1 shielding corresponding interface, the corresponding interface of trigger data acquisition expansion interface circuit 10 simultaneously, with the storage that collects in Flash memory 6;
In step 2,1 pair of data acquisition interface of described control circuit circuit 9 plays the effect of monitoring, when data acquisition interface circuit 9 breaks down can't normally gather the electric energy meter data time, data acquisition expansion interface circuit 10 is by microprocessor control, and 9 pairs of electric energy meters of surrogate data method acquisition interface circuit carry out data acquisition.
In step 2, when the data that described data collection station can't be gathered electric energy meter, the microprocessor in the control circuit 1 can be mended and copy the data that do not collect according to customized parameter.
In step 3, main website also can obtain system event, electric energy meter incident and the acquisition terminal incident of microprocessor records.
By the led status of observation LED display circuit 12, can detect the work running status of data collection station of the present invention.
Embodiment eight: present embodiment is the described a kind of transformer platform electrical energy data collection stations of embodiment seven to be realized the further qualification of the method for data acquisitions, in the operational factor described in the step 1 by local RS485 interface or distant place main website is provided with.
Describedly be provided with by local RS485 interface, the communication interface type that is meant service interface circuit 7 is RS485, computer connects data collection station of the present invention by service interface circuit 7, and the information of setting in the change computer promptly realizes the change to data collection station operational factor of the present invention.
Describedly be provided with, be meant that main website passes through fixed network or mobile network and realizes Long-distance Control to described data collection station by distant place main website.
Embodiment nine: present embodiment is embodiment seven described a kind of transformer platform electrical energy data collection stations to be realized the further qualification of the method for data acquisition, and it has increased following steps in step 2:
When described data collection station comprises RAM memory 11, then the data that collect are deposited in earlier in the RAM memory 11, after the pending data collection is finished, again the data in the RAM memory 11 are transferred to Flash memory 6.
Claims (9)
1. transformer platform electrical energy data collection station, it comprises control circuit (1), main website communication interface circuit (2), wireless communication module (3), power-supplying circuit (4), internal clock circuit (5), Flash memory (6), service interface circuit (7), battery (8) and data acquisition interface circuit (9), the communication interface signal input output end of control circuit (1) links to each other with the communication interface signal input output end of main website communication interface circuit (2), the input/output terminal of main website communication interface circuit (2) links to each other with the input/output terminal of wireless communication module (3), the voltage output end of battery (8) links to each other with the voltage input end of wireless communication module (3), the clock signal output terminal of internal clock circuit (5) links to each other with the clock signal input terminal of control circuit (1), the storage data input/output terminal of control circuit (1) links to each other with the storage data input and output of Flash memory (6), the reading of data input of control circuit (1) links to each other with the reading of data output of service interface circuit (7), four voltage output ends of power-supplying circuit (4) respectively with the voltage input end of control circuit (1), the voltage input end of main website communication interface circuit (2), the voltage input end of Flash memory (6) links to each other with the voltage input end of service interface circuit (7), described data acquisition interface circuit (9) is by an interface chip (T1), resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, an anti-thunder tube (Q1), inductance L 1, inductance L 2 and voltage suppressor (P1) are formed, first of control circuit (1) is received/is sent out control signal output ends (KM1) and receives signal input end (RE1) and first input (DE1) that transmits control signal with first of an interface chip (T1) respectively and link to each other, first of control circuit (1) sends data output end (TX1) and links to each other with the first transmission data input pin (DI1) of an interface chip (T1), first of an interface chip (T1) receives data output end (RO1) and links to each other with first end that receives data input pin (RX1) and resistance R 5 of control circuit (1) respectively, the other end of resistance R 5 links to each other with a voltage output end of power-supplying circuit (4), an image data output of an ammeter interface (J1) respectively with an end of an anti-thunder tube (Q1), one end of resistance R 4 and an end of inductance L 1 link to each other, another image data output of an ammeter interface (J1) respectively with the other end of an anti-thunder tube (Q1), one end of the other end of resistance R 4 and inductance L 2 links to each other, the other end of inductance L 1 respectively with an end of voltage suppressor (P1), the first image data input (A1) of one end of resistance (R2) and an interface chip (T1) links to each other, the other end of inductance L 2 respectively with the other end of voltage suppressor (P1), the second image data input (B1) of the other end of resistance (R2) and an interface chip (T1) links to each other, a voltage output end of power-supplying circuit (4) respectively with the voltage input end (VCC1) of an interface chip (T1), one end of resistance R 1 links to each other, the other end of resistance R 1 links to each other with the first image data input (A1) of an interface chip (T1), the second image data input (B1) of an interface chip (T1) links to each other with an end of resistance R 3, the other end of resistance R 3 links to each other with the ground wire (GND1) of an interface chip (T1) and ground connection, it is characterized in that: further comprising data acquisition expansion interface circuit (10), described data acquisition expansion interface circuit (10) is by No. two interface chips (T2), resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, No. two anti-thunder tubes (Q2) and No. two ammeter interfaces (J2) are formed, second of control circuit (1) is received/is sent out control signal output ends (KM2) and receives signal input end (RE2) and first input (DE2) that transmits control signal with first of No. two interface chips (T2) respectively and link to each other, second of control circuit (1) sends data output end (TX2) and links to each other with the second transmission data input pin (DI2) of No. two interface chips (T2), second of No. two interface chips (T2) receive data output end (RO2) and link to each other with second end that receives data input pin (RX2) and resistance R 10 of control circuit (1) respectively, the other end of resistance R 10 links to each other with a voltage output end of power-supplying circuit (4), an image data output of No. two ammeter interfaces (J2) respectively with an end of No. two anti-thunder tubes (Q2), one end of resistance R 9, the first image data input (A2) of one end of resistance R 7 and No. two interface chips (T2) links to each other, another image data output of No. two ammeter interfaces (J2) respectively with the other end of No. two anti-thunder tubes (Q2), the other end of resistance R 9, the second image data input (B2) of the other end of resistance R 7 and No. two interface chips (T2) links to each other, a voltage output end of power-supplying circuit (4) respectively with the voltage input end (VCC2) of No. two interface chips (T2), one end of resistance R 6 links to each other, the other end of resistance R 6 links to each other with the first image data input (A2) of No. two interface chips (T2), the second image data input (B2) of No. two interface chips (T2) links to each other with an end of resistance R 8, and the other end of resistance R 8 links to each other with the ground wire (GND2) of No. two interface chips (T2) and ground connection.
2. a kind of transformer platform electrical energy data collection station according to claim 1 is characterized in that: the microprocessor of described control circuit (1) adopts ATmega2560 series monolithic chip to realize.
3. a kind of transformer platform electrical energy data collection station according to claim 1 is characterized in that: the type selecting of described wireless communication module (3) is a kind of in GPRS communication module, CDMA communication module, MODEM special line or dialing communication module, data radio station communication module, bluetooth communication module or the ethernet communication module.
4. a kind of transformer platform electrical energy data collection station according to claim 1, it is characterized in that: it also comprises environment heater circuit (13), described environment heater circuit (13) is made up of relay (S), heating resistor (Rh), the temperature control signals output of control circuit (1) links to each other with the control end of relay (S), and second source (14) heats heating resistor (Rh) by relay (S).
5. a kind of transformer platform electrical energy data collection station according to claim 1, it is characterized in that: it also comprises RAM memory (11), the data cached input/output terminal of control circuit (1) links to each other with the data cached input/output terminal of RAM memory (11), and the voltage output end of power-supplying circuit (4) links to each other with the voltage input end of RAM memory (11).
6. a kind of according to claim 1 or 5 transformer platform electrical energy data collection station, it is characterized in that: it also comprises LED display circuit (12), the shows signal output of control circuit (1) links to each other with the shows signal input of LED display circuit (12), and the voltage output end of power-supplying circuit (4) links to each other with the voltage input end of LED display circuit (12).
7. realize the method for data acquisition based on the described a kind of transformer platform electrical energy data collection station of claim 1, it is characterized in that:
The process of data acquisition is:
Step 1, described a kind of transformer platform electrical energy data collection station is powered on,, wireless communication module circuit (3) and main website server are set up wireless connections according to the operational factor that the microprocessor of control circuit (1) is set;
Microprocessor in step 2, the control circuit (1) is according to setting of task, in the set time, the interrupt requests of response internal clocking, by data acquisition interface circuit (9) electric energy meter is carried out data acquisition, when data acquisition interface circuit (9) when breaking down, control circuit (1) shielding corresponding interface, the corresponding interface of trigger data acquisition expansion interface circuit (10) simultaneously, with the storage that collects in Flash memory (6);
Step 3, by wireless communication module (3), main website is regularly or read data in the Flash memory (6) that is stored in data collection station at any time.
8. according to claim 7ly realize it is characterized in that the method for data acquisition based on a kind of transformer platform electrical energy data collection station: in the operational factor described in the step 1 by local RS485 interface or distant place main website is provided with.
9. the method based on a kind of transformer platform electrical energy data collection station realization data acquisition according to claim 7 is characterized in that: further comprising the steps of in step 2:
When described data collection station comprises RAM memory (11), then the data that collect are deposited in earlier in the RAM memory (11), after the pending data collection is finished, again the data in the RAM memory (11) are transferred to Flash memory (6).
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| CN201010142946.3A CN101807820B (en) | 2010-04-09 | 2010-04-09 | Transformer platform electrical energy data acquisition terminal and data acquisition implementing method applying same |
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| CN108880191A (en) * | 2017-05-15 | 2018-11-23 | 中兴通讯股份有限公司 | A kind of power supply unit, power supply system and method for supplying power to |
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| CN104504166A (en) * | 2014-12-10 | 2015-04-08 | 中铁工程设计咨询集团有限公司 | High-precision orbit spatial data synchronous acquisition method and device |
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| CN108880191B (en) * | 2017-05-15 | 2024-02-13 | 中兴通讯股份有限公司 | Power supply unit, power supply system and power supply method |
| CN111831225A (en) * | 2020-07-05 | 2020-10-27 | 中车永济电机有限公司 | Auxiliary microcomputer measurement and control device with data storage and remote transmission extension design |
| CN113110247A (en) * | 2021-05-18 | 2021-07-13 | 中国地震局地球物理研究所 | Multichannel data acquisition control circuit |
| CN113110247B (en) * | 2021-05-18 | 2021-12-03 | 中国地震局地球物理研究所 | Multichannel data acquisition control circuit |
| CN114185300A (en) * | 2021-12-02 | 2022-03-15 | 国网浙江省电力有限公司建德市供电公司 | Operation monitoring system for new water energy collecting equipment |
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