CN203537515U - Image acquisition circuit of electricity acquiring and metering device - Google Patents
Image acquisition circuit of electricity acquiring and metering device Download PDFInfo
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- CN203537515U CN203537515U CN201320744942.1U CN201320744942U CN203537515U CN 203537515 U CN203537515 U CN 203537515U CN 201320744942 U CN201320744942 U CN 201320744942U CN 203537515 U CN203537515 U CN 203537515U
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Abstract
The utility model discloses an image acquisition circuit of an electricity acquiring and metering device. The circuit comprises a microprocessor U1, a power circuit, a camera device, a radio communication circuit, an RS232 communication circuit, an infrared emission circuit, an infrared receiving circuit, and an indicating lamp control circuit. The camera device comprises an image shooting circuit. The radio communication circuit comprises a GPRS module and a SIM circuit. The microprocessor U1 and the camera device are connected with the power circuit. The camera device is connected with the microprocessor U1 through the RS232 communication circuit. The GPRS module, the RS232 communication circuit, the infrared emission circuit, the infrared receiving circuit, and the indicating lamp control circuit are connected with the microprocessor U1. The SIM circuit is connected with the GPRS module. The image acquisition circuit of the electricity acquiring and metering device is advantaged by acquiring of images of acquisition terminals or power measurement devices in real time, obtaining status of the electricity acquiring and metering device at any time, and relieving burden of workers.
Description
Technical field
The utility model relates to the image acquisition circuit of a kind of electric power acquisition and measuring equipment, especially a kind of for obtaining the image acquisition circuit of the realtime graphic of electric power acquisition and measuring equipment.
Background technology
At present, along with the construction like a raging fire of national grid " intelligent grid " project, as the intelligent electric power metering equipment of an intelligent grid part, be arranged on widely in town and country enterprise and resident family.
Capital equipment foundation as enterprise and resident family electric-power metering and clearing, intelligent electric power metering equipment with electrical index, by acquisition terminal equipment (specially transformer terminals or concentrator etc.), upload to the power information acquisition system of net province company, the merger of electricity consumption acquisition system is analyzed and is uploaded copy reading data after data and carry out user power utilization disbursement and sattlement to marketing system.Because power consumption equipment index needs through processes such as acquisition terminal equipment (collector, special transformer terminals or concentrator etc.), net province company " power consumer power information acquisition system ", marketing systems to electricity consumption clearing, for guaranteeing consistency and the accuracy of data, need by accuracy and the consistency of some technological means monitor and detection data.When acquisition terminal equipment or Application of Power Metering Instruments occur when abnormal, when guaranteeing the on-the-spot problems such as the performance of equipment, complete or change, need a kind of monitoring means and picture recognition means to monitor acquisition terminal or measuring equipment.
At present, the image monitor to acquisition terminal equipment or Application of Power Metering Instruments not still in electric power system.In acquisition terminal equipment or Application of Power Metering Instruments, occur when abnormal, thereby be difficult to find that abnormal reason appears in acquisition terminal equipment or Application of Power Metering Instruments, to fault, get rid of and bring difficulty, affected the reliability of data of the collection of power information acquisition system.Once acquisition terminal equipment or Application of Power Metering Instruments occur abnormal, want to learn the whether complete, whether destroyed or damage or whether by situations such as changes of acquisition terminal equipment or Application of Power Metering Instruments, can only send staff in person to check to place, equipment place, intelligent degree is lower.In area more remote or that road is far away, the equipment of checking needs a large amount of manpower and materials.
Utility model content
The utility model is the weak point existing in above-mentioned prior art for avoiding, and the image acquisition circuit of a kind of electric power acquisition and measuring equipment is provided, so that the image of acquisition terminal equipment or Application of Power Metering Instruments is carried out to Real-time Collection.
The utility model be technical solution problem by the following technical solutions.
The image acquisition circuit of electric power acquisition and measuring equipment, its design feature is to comprise microprocessor U1, power circuit, camera head, radio communication circuit, RS232 telecommunication circuit, infrared transmitting circuit and infrared receiving circuit and indicating lamp control circuit; Described camera head comprises image taking circuit; Described radio communication circuit comprises GPRS module and SIM circuit;
Described microprocessor U1 is all connected with described power circuit with camera head; Described camera head is connected with described microprocessor U1 by described RS232 telecommunication circuit; Described GPRS module, RS232 telecommunication circuit, infrared transmitting circuit and infrared receiving circuit are all connected with described microprocessor U1 with indicating lamp control circuit; Described SIM circuit is connected with described GPRS module.
The design feature of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment is also:
Described electric power acquisition and the image acquisition circuit of measuring equipment are also wrapped memory circuit, and described memory circuit is connected with described microprocessor U1; Described memory circuit comprises storage chip U2, capacitor C 1 and capacitor C 2; Described storage chip U2 is connected with described microprocessor U1, and described capacitor C 1 is all connected with described storage chip U2 with capacitor C 2.
Described power circuit comprises voltage stabilizing chip U3, pressurizer U4, capacitor C 3, capacitor C 4 and electrochemical capacitor E1～E4; Described capacitor C 3, capacitor C 4, electrochemical capacitor E1～E3 are all connected with described voltage stabilizing chip U3; One end of described electrochemical capacitor E4 is connected with described pressurizer U4, the other end ground connection of described electrochemical capacitor E4.
Described image taking circuit comprises camera chip U5, capacitor C 5～C12, electrochemical capacitor E5～E7, resistance R 1～R2 and the crystal oscillator Y1 for taking the image of electric power acquisition and measuring equipment; The common point that described capacitor C 5 is connected with resistance R 1 is connected with camera chip U5; Described capacitor C 6 is connected with camera chip U5; Described capacitor C 7 is in parallel to be connected afterwards with electrochemical capacitor E5 and is connected with camera chip U5; Described capacitor C 8 is in parallel to be connected afterwards with electrochemical capacitor E6 and is connected with camera chip U5; Described capacitor C 9 and C10 are connected to the two ends of crystal oscillator Y1, and the two ends of crystal oscillator Y1 are all connected with described camera chip U5; Described capacitor C 11, C12, electrochemical capacitor E7 are connected with camera chip U5 after being in parallel and connecting; One end of described resistance R 2 is connected with camera chip U5, and the other end connects power vd D.
Described radio communication circuit comprises wireless communication chips U6, SIM card chip U7, capacitor C 13～C16, resistance R 3～R5; Wireless communication chips U6 be connected with microcontroller U1;
Described capacitor C 13 is connected with SIM card chip U7 by described resistance R 3; Described capacitor C 14 is connected with SIM card chip U7 by described resistance R 4; Described capacitor C 15 is connected with SIM card chip U7; Described resistance R 5 is connected with capacitor C 16, and described resistance R 5 is connected with SIM card chip U7 with the tie point between capacitor C 16; Between wireless communication chips U6 and SIM card chip U7, be connected.
Described RS232 telecommunication circuit comprises serial communication chip U9, capacitor C 17～C21 and splicing ear J1; Described capacitor C 17～C21 is all connected with described serial communication chip U9 with splicing ear J1, and described serial communication chip U9 is connected with microcontroller U1.
Described infrared transmitting circuit comprises infrared transmitting tube D1, triode Q1, triode Q2, resistance R 12～R14; One end of described resistance R 12 connects power vd D3.3V, and the other end is connected with the emitter of described triode Q1 by infrared transmitting tube D1; One end of described resistance R 13 is connected with described microcontroller U1, and the other end is connected with the base stage of triode Q1; One end of described resistance R 14 is connected with described microcontroller U1, and the other end is connected with the base stage of triode Q2; The collector electrode of described triode Q1 is connected with the collector electrode of described triode Q2, the grounded emitter of described triode Q2;
Described infrared receiving circuit comprises infrared receiving tube LE1, capacitor C 15～C16, resistance R 15～R16; One end ground connection after described capacitor C 15, C16 connection parallel with one another, the other end is connected with R16 with described resistance R 15; Described resistance R 15 is all connected with described infrared receiving tube LE1 with R16, and the tie point between described resistance R 15 and infrared receiving tube LE1 is connected with described microcontroller U1.
Described indicating lamp control circuit comprises diode D2～D5, resistance R 19～R22; Described diode D2 is in series and is connected with resistance R 19, and described diode D3 is in series and is connected with resistance R 20, and described diode D4 is in series and is connected with resistance R 21, and described diode D5 is in series and is connected with resistance R 22.
Compared with the prior art, the utility model beneficial effect is embodied in:
The image acquisition circuit of electric power acquisition of the present utility model and measuring equipment, by radio communication circuit, receive the instruction of control centre, according to command information, send photographing instruction to image taking circuit, obtain the image of measuring equipment and be transferred to control centre, by control centre, according to image, electric power acquisition and measuring equipment state are identified and judged, thereby avoided sending staff to patrol to scene, alleviated staff's burden, improved the intelligent level of electric power system.
The image acquisition circuit of electric power acquisition of the present utility model and measuring equipment, has the state that can carry out Real-time Collection to the image of acquisition terminal equipment or Application of Power Metering Instruments, obtain at any time electric power acquisition and measuring equipment, has alleviated staff's the advantages such as burden.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 2 is the circuit diagram of memory circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 3 is the circuit diagram of 5V power-switching circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 4 is the circuit diagram of 3.3V power-switching circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 5 is the circuit diagram of image taking circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 6 is the circuit diagram of radio communication circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 7 is the pin figure of GPRS expansion slot chip of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 8 is the circuit diagram of RS232 telecommunication circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Fig. 9 is the circuit diagram of jtag interface circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Figure 10 is the circuit diagram of the host CPU of image acquisition circuit of electric power acquisition of the present utility model and measuring equipment and peripheral circuits, infrared receiving/transmission circuit.
Figure 11 is the circuit diagram of indicating lamp control circuit of the image acquisition circuit of electric power acquisition of the present utility model and measuring equipment.
Figure 12 is the power filter of image acquisition circuit and the circuit diagram of protective circuit of electric power acquisition of the present utility model and measuring equipment.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment
Referring to accompanying drawing 1～Figure 12, the image acquisition circuit of electric power acquisition and measuring equipment comprises microprocessor U1, power circuit, camera head, radio communication circuit, RS232 telecommunication circuit, infrared transmitting circuit and infrared receiving circuit and indicating lamp control circuit; Described camera head comprises image taking circuit; Described radio communication circuit comprises GPRS module and SIM circuit;
Described microprocessor U1 is all connected with described power circuit with camera head; Described camera head is connected with described microprocessor U1 by described RS232 telecommunication circuit; Described GPRS module, RS232 telecommunication circuit, infrared transmitting circuit and infrared receiving circuit are all connected with described microprocessor U1 with indicating lamp control circuit; Described SIM circuit is connected with described GPRS module.
Microprocessor U1 receives after photographing instruction by GPRS module, start infrared transmitting circuit, light the display screen of intelligent electric energy meter, start the shoot function of photographing module simultaneously, in addition, intelligent electric energy meter sends the address information of ammeter, and microprocessor U1 receives after this address information by infrared, resolve this order, the address that obtains this intelligent electric energy meter; Receive the image data of photographing module, so just set up the corresponding relation of image data and electric meter address.Communication indicator light glimmers in the middle of GPRS module data receives and sends message process, is used for identification data transmission, and operation indication waits when system move glimmers, with tag system normal operation.
Described electric power acquisition and the image acquisition circuit of measuring equipment are also wrapped memory circuit, and described memory circuit is connected with described microprocessor U1; Described memory circuit comprises storage chip U2, capacitor C 1 and capacitor C 2; Described storage chip U2 is connected with described microprocessor U1, and described capacitor C 1 is all connected with described storage chip U2 with capacitor C 2.As shown in Figure 2, the model of described storage chip U2 is MX25L1606E.
Described power circuit comprises voltage stabilizing chip U3, pressurizer U4, capacitor C 3, capacitor C 4 and electrochemical capacitor E1～E4; Described capacitor C 3, capacitor C 4, electrochemical capacitor E1～E3 are all connected with described voltage stabilizing chip U3; One end of described electrochemical capacitor E4 is connected with described pressurizer U4, the other end ground connection of described electrochemical capacitor E4.
Power circuit comprises two circuit modules: 5V power-switching circuit and 3.3V power-switching circuit.If Fig. 3 is 5V power-switching circuit, voltage stabilizing chip U3 is three proper power supply stabilization circuit L7805.L7805 is one three and rectifies power supply integrated regulator.The built-in short-circuit protection of this circuit and thermal protection circuit, have the fixing feature of output voltage, is widely used in doing power supply voltage stabilizing in the equipment such as various television sets, radio-cassette player, electronic instrument.L7805 adopts three lead-in wires with the packing forms encapsulation of fin plastics TO-220.One end that described capacitor C 3, electrochemical capacitor E1 and E2 are in parallel after being connected is connected with described voltage stabilizing chip U3; Other end ground connection.One end after described capacitor C 4 is connected in parallel with described electrochemical capacitor E3 is connected with described voltage stabilizing chip U3, other end ground connection.
1 and 2 two link at capacitor C 3 places is power supply input port, is connected to the 9V input interface on equipment.In addition, the 5V power supply of Fig. 3 output and the pressurizer U4 of Fig. 4+5V input is connected, and to U4, provides 5V power supply.
If Fig. 4 is 3.3V power-switching circuit, the model of pressurizer U4 is ASM1117-3.3V, and its output has 1 :+3.3V output and+5V input.AMS1117 is a forward low dropout voltage regulator, at 1A electric current, presses down and reduces to 1.2V.The inner integrated overtemperature protection of AMS1117 and current-limiting circuit.When maximum output current, the pressure reduction of AMS1117 device guarantees that maximum is no more than 1.3V, and reducing and reduce gradually with load current.The trimming of AMS1117 is adjusted to reference voltage in 1.5% error, and current limit also obtained adjustment, to reduce the pressure causing because of pressurizer and power circuit overload as far as possible.
Described image taking circuit comprises camera chip U5, capacitor C 5～C12, electrochemical capacitor E5～E7, resistance R 1～R2 and the crystal oscillator Y1 for taking the image of electric power acquisition and measuring equipment; The common point that described capacitor C 5 is connected with resistance R 1 is connected with camera chip U5; Described capacitor C 6 is connected with camera chip U5; Described capacitor C 7 is in parallel to be connected afterwards with electrochemical capacitor E5 and is connected with camera chip U5; Described capacitor C 8 is in parallel to be connected afterwards with electrochemical capacitor E6 and is connected with camera chip U5; Described capacitor C 9 and C10 are connected to the two ends of crystal oscillator Y1, and the two ends of crystal oscillator Y1 are all connected with described camera chip U5; Described capacitor C 11, C12, electrochemical capacitor E7 are connected with camera chip U5 after being in parallel and connecting; One end of described resistance R 2 is connected with camera chip U5, and the other end connects power vd D.
If Fig. 5 is the circuit diagram of image taking circuit.Described camera chip U5 is Sonix325.Sonix325 can be used Power supply, is with the function that focalizes, microminiaturization, and low price, is applicable to extensive assembling and generates.30,31 pin of image taking chip U5 are connected with 58,59 pin of CPU, and the shooting instruction of CPU sends to U5 by serial port, and U5 controls after CMOS camera pictures taken is processed into serial data and returns to CPU.
Described radio communication circuit comprises wireless communication chips U6, SIM card chip U7, capacitor C 13～C16, resistance R 3～R5; Wireless communication chips U6 be connected with microcontroller U1;
Described capacitor C 13 is connected with SIM card chip U7 by described resistance R 3; Described capacitor C 14 is connected with SIM card chip U7 by described resistance R 4; Described capacitor C 15 is connected with SIM card chip U7; Described resistance R 5 is connected with capacitor C 16, and described resistance R 5 is connected with SIM card chip U7 with the tie point between capacitor C 16; Between wireless communication chips U6 and SIM card chip U7, be connected.
Described wireless communication chips U6 is M590E communication module.M590E communication module is the GSM/GPRS wireless industrial module of a Dual Band, and the functions such as note, data service are provided, and in various industry and civil area, is widely used, and has following feature: 1) low in energy consumption: stand-by power consumption 2.5mA; 2) temperature is roomy :-40-80 ℃; 3) support the CMUX function of serial ports; 4) open 1Kbytes data field for client; 8) unique AES software cryptography function.
As Fig. 6, wireless communication chips U6 is connected with SIM card chip U7, can realize radio communication function, make the intercommunication of microcontroller U1Neng Yu control centre, receive the control command that control centre sends, and by the data of the electric power acquisition obtaining and measuring equipment and image transmitting to control centre, by control centre, according to data and image, the state of electric power acquisition and measuring equipment is carried out to analyzing and processing, thereby without Workers, arrive on-the-spot, can learn the whether complete of acquisition terminal equipment or Application of Power Metering Instruments, whether destroyed or damage or whether by situations such as changes, avoided staff's site inspection, reduced staff's working strength, improved the intelligent level of power information acquisition system, facilitated power supply unit to long-range acquisition terminal equipment or the management of Application of Power Metering Instruments.
In Fig. 7, chip U8, parts JPRS1 is external GPRS wireless communication module expansion interface slot.
Described RS232 telecommunication circuit comprises serial communication chip U9, capacitor C 17～C21 and splicing ear J1; Described capacitor C 17～C21 is all connected with described serial communication chip U9 with splicing ear J1, and described serial communication chip U9 is connected with microcontroller U1.
As Fig. 8, described serial communication chip U7 is MAX3232, and MAX3232 has the RS232 transceiver of two groups.MAX3232 adopts proprietary low voltage difference transmitter output stage, utilizes dual charge pump can realize real RS-232 performance when 3.0V to 5.5V Power supply, and device only needs the outside small size charge pump electric capacity of four 0.1uF.MAX3232 guarantees the data rate at 120kbps, keeps RS-232 output level simultaneously.By splicing ear J1, be connected with the RS232 port of microcontroller, make can carry out exchanges data between serial communication chip U9 and microcontroller U1.
MAX3232 has receiver He Er road, No. two drivers, and 1uA shutdown mode is provided, and effectively reduces effect and postpones the battery of portable product.Under shutdown mode, the receiver state of remaining valid, monitors external equipment, only consumes 1uA source current, and the pin of MAX3232, encapsulation and function are compatible with industrial standard MAX242 and MAX232 respectively.Even if be operated under high data rate, the minimum transmitter output voltage of positive and negative 5.0V that MAX3232 still can keep rs-232 standard to require.
Fig. 9 is a jtag interface circuit, and what comprise one double (one row ten pins totally 20 pins) patches chip U10, resistance R 6～R11, described resistance R 6～R11 all with described in patch chip U10 and be connected.The effect of jtag interface circuit is to be connected by wire with the circuit outside circuit board.Fig. 9 is CPU program debugging interface slot, and as CPU programming debugging interface, holding wire is connected with the signaling interface on corresponding CPU respectively.
Described infrared transmitting circuit comprises infrared transmitting tube D1, triode Q1, triode Q2, resistance R 12～R14; One end of described resistance R 12 connects power vd D3.3V, and the other end is connected with the emitter of described triode Q1 by infrared transmitting tube D1; One end of described resistance R 13 is connected with described microcontroller U1, and the other end is connected with the base stage of triode Q1; One end of described resistance R 14 is connected with described microcontroller U1, and the other end is connected with the base stage of triode Q2; The collector electrode of described triode Q1 is connected with the collector electrode of described triode Q2, the grounded emitter of described triode Q2;
Described infrared receiving circuit comprises infrared receiving tube LE1, capacitor C 15～C16, resistance R 15～R16; One end ground connection after described capacitor C 15, C16 connection parallel with one another, the other end is connected with R16 with described resistance R 15; Described resistance R 15 is all connected with described infrared receiving tube LE1 with R16, and the tie point between described resistance R 15 and infrared receiving tube LE1 is connected with described microcontroller U1.
As Figure 10, microcontroller U1 is STM32F100R8.STM32 series is based on aiming at the custom-designed ARM Cortex-M3 of the Embedded Application kernel that requires high-performance, low cost, low-power consumption.Described microcontroller U1 comprises corresponding peripheral circuit, and described peripheral circuit comprises the parts such as resistance R 17～R18, capacitor C 17～C28, crystal oscillator Y2, plug connector J2.
Described infrared transmitting circuit is all connected with described microcontroller U1 with infrared receiving circuit.
By infrared transmitting circuit, send infrared light, light the display screen of intelligent electric meter.By infrared receiving circuit, receive the data that described intelligent electric meter sends, realize the exchanges data between microcontroller U1 and intelligent electric meter.
According to the requirement of national grid, smart electricity meter device is all with the far infrared apparatus of infrared communication function, communication protocol meets the power industry standard multifunctional electric energy meter communication protocol > > of the < < People's Republic of China (PRC) (DLT645-2007), and when intelligent electric meter is during by infrared and other external equipment communications, can light the display screen of intelligent electric energy meter; Therefore in this apparatus, install one and can carry out data communication with intelligent electric energy meter with the infrared transceiver device of intelligent electric energy meter communication, these data comprise and are not limited to the data, address of intelligent electric energy meter etc.When this equipment be arranged on light more dim local time, use the object of infrared receiving/transmission: 1) light the screen of intelligent electric energy meter, being that the picture that obtains is more clear; 2) copy reading intelligent electric energy meter address (according to national grid requirement, general electric meter address is unique), so that electric energy meter mates with the picture of shooting.
Described indicating lamp control circuit comprises diode D2～D5, resistance R 19～R22; Described diode D2 is in series and is connected with resistance R 19, and described diode D3 is in series and is connected with resistance R 20, and described diode D4 is in series and is connected with resistance R 21, and described diode D5 is in series and is connected with resistance R 22.
As Figure 11, four light-emitting diode D2～D5, one end of each diode connects 3.3V power vd D, and the other end of each diode connects a protective resistance, forms the indicator light of whole circuit.Four light-emitting diode D2～D5 comprise two red diodes and two green diodes, are respectively used to as communication indicator light and run indicator.
In Figure 11, R19 one end is connected with U1 the 4th pin, and R20 one end is connected with U1 the 3rd pin, and R21 one end is connected with U1 the 2nd pin, and R22 one end is connected with U1 the 1st pin.
If the circuit of Figure 12 is the filter protective circuit of 5V power supply, comprise capacitor C 17～C19, electrochemical capacitor E8 and E9.Capacitor C 17～C19, electrochemical capacitor E8 and E9 provide low-and high-frequency filter action to 5V power supply.Transition diode D6 as surge absorber, can absorb the surge power of hundreds of watts, device on baffle.The circuit of Figure 12 is to be connected between 5V VDD-to-VSS.
The image acquisition circuit of electric power acquisition of the present utility model and measuring equipment, by radio communication circuit, receive the instruction of control centre, according to command information, send photographing instruction to image taking circuit, obtain the image of measuring equipment and be transferred to control centre, by control centre, according to image, electric power acquisition and measuring equipment state are identified and judged, thereby avoided sending staff to patrol to scene, alleviated staff's burden, improved the intelligent level of electric power system.
The image acquisition circuit of electric power acquisition of the present utility model and measuring equipment, has the state that can carry out Real-time Collection to the image of acquisition terminal equipment or Application of Power Metering Instruments, obtain at any time electric power acquisition and measuring equipment, has alleviated staff's the advantages such as burden.
Claims (8)
1. the image acquisition circuit of electric power acquisition and measuring equipment, is characterized in that, comprises microprocessor U1, power circuit, camera head, radio communication circuit, RS232 telecommunication circuit, infrared transmitting circuit and infrared receiving circuit and indicating lamp control circuit; Described camera head comprises image taking circuit; Described radio communication circuit comprises GPRS module and SIM circuit;
Described microprocessor U1 is all connected with described power circuit with camera head; Described camera head is connected with described microprocessor U1 by described RS232 telecommunication circuit; Described GPRS module, RS232 telecommunication circuit, infrared transmitting circuit and infrared receiving circuit are all connected with described microprocessor U1 with indicating lamp control circuit; Described SIM circuit is connected with described GPRS module.
2. the image acquisition circuit of electric power acquisition according to claim 1 and measuring equipment, is characterized in that, also wraps memory circuit, and described memory circuit is connected with described microprocessor U1; Described memory circuit comprises storage chip U2, capacitor C 1 and capacitor C 2; Described storage chip U2 is connected with described microprocessor U1, and described capacitor C 1 is all connected with described storage chip U2 with capacitor C 2.
3. the image acquisition circuit of electric power acquisition according to claim 1 and measuring equipment, is characterized in that, described power circuit comprises voltage stabilizing chip U3, pressurizer U4, capacitor C 3, capacitor C 4 and electrochemical capacitor E1～E4; Described capacitor C 3, capacitor C 4, electrochemical capacitor E1～E3 are all connected with described voltage stabilizing chip U3; One end of described electrochemical capacitor E4 is connected with described pressurizer U4, the other end ground connection of described electrochemical capacitor E4.
4. the image acquisition circuit of electric power acquisition according to claim 1 and measuring equipment, it is characterized in that, described image taking circuit comprises camera chip U5, capacitor C 5～C12, electrochemical capacitor E5～E7, resistance R 1～R2 and the crystal oscillator Y1 for taking the image of electric power acquisition and measuring equipment; The common point that described capacitor C 5 is connected with resistance R 1 is connected with camera chip U5; Described capacitor C 6 is connected with camera chip U5; Described capacitor C 7 is in parallel to be connected afterwards with electrochemical capacitor E5 and is connected with camera chip U5; Described capacitor C 8 is in parallel to be connected afterwards with electrochemical capacitor E6 and is connected with camera chip U5; Described capacitor C 9 and C10 are connected to the two ends of crystal oscillator Y1, and the two ends of crystal oscillator Y1 are all connected with described camera chip U5; Described capacitor C 11, C12, electrochemical capacitor E7 are connected with camera chip U5 after being in parallel and connecting; One end of described resistance R 2 is connected with camera chip U5, and the other end connects power vd D.
5. the image acquisition circuit of electric power acquisition according to claim 1 and measuring equipment, is characterized in that, described radio communication circuit comprises wireless communication chips U6, SIM card chip U7, capacitor C 13～C16, resistance R 3～R5; Wireless communication chips U6 be connected with microcontroller U1;
Described capacitor C 13 is connected with SIM card chip U7 by described resistance R 3; Described capacitor C 14 is connected with SIM card chip U7 by described resistance R 4; Described capacitor C 15 is connected with SIM card chip U7; Described resistance R 5 is connected with capacitor C 16, and described resistance R 5 is connected with SIM card chip U7 with the tie point between capacitor C 16; Between wireless communication chips U6 and SIM card chip U7, be connected.
6. the image acquisition circuit of electric power acquisition according to claim 1 and measuring equipment, is characterized in that, described RS232 telecommunication circuit comprises serial communication chip U9, capacitor C 17～C21 and splicing ear J1; Described capacitor C 17～C21 is all connected with described serial communication chip U9 with splicing ear J1, and described serial communication chip U9 is connected with microcontroller U1.
7. the image acquisition circuit of electric power acquisition according to claim 1 and measuring equipment, is characterized in that, described infrared transmitting circuit comprises infrared transmitting tube D1, triode Q1, triode Q2, resistance R 12～R14; One end of described resistance R 12 connects power vd D3.3V, and the other end is connected with the emitter of described triode Q1 by infrared transmitting tube D1; One end of described resistance R 13 is connected with described microcontroller U1, and the other end is connected with the base stage of triode Q1; One end of described resistance R 14 is connected with described microcontroller U1, and the other end is connected with the base stage of triode Q2; The collector electrode of described triode Q1 is connected with the collector electrode of described triode Q2, the grounded emitter of described triode Q2;
Described infrared receiving circuit comprises infrared receiving tube LE1, capacitor C 15～C16, resistance R 15～R16; One end ground connection after described capacitor C 15, C16 connection parallel with one another, the other end is connected with R16 with described resistance R 15; Described resistance R 15 is all connected with described infrared receiving tube LE1 with R16, and the tie point between described resistance R 15 and infrared receiving tube LE1 is connected with described microcontroller U1.
8. the image acquisition circuit of electric power acquisition according to claim 1 and measuring equipment, is characterized in that, described indicating lamp control circuit comprises diode D2～D5, resistance R 19～R22; Described diode D2 is in series and is connected with resistance R 19, and described diode D3 is in series and is connected with resistance R 20, and described diode D4 is in series and is connected with resistance R 21, and described diode D5 is in series and is connected with resistance R 22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744942.1U CN203537515U (en) | 2013-11-21 | 2013-11-21 | Image acquisition circuit of electricity acquiring and metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744942.1U CN203537515U (en) | 2013-11-21 | 2013-11-21 | Image acquisition circuit of electricity acquiring and metering device |
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| Publication Number | Publication Date |
|---|---|
| CN203537515U true CN203537515U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744942.1U Expired - Lifetime CN203537515U (en) | 2013-11-21 | 2013-11-21 | Image acquisition circuit of electricity acquiring and metering device |
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| Country | Link |
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| CN (1) | CN203537515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561251A (en) * | 2013-11-21 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Image collecting circuit of power collecting and metering device |
| CN106338709A (en) * | 2016-08-31 | 2017-01-18 | 浙江恒业电子有限公司 | Intelligent meter system based on embedded platform |
| CN106405227A (en) * | 2016-08-31 | 2017-02-15 | 浙江恒业电子有限公司 | Intelligent electric meter system for carrying out real-time error compensation based on proportional simulation |
-
2013
- 2013-11-21 CN CN201320744942.1U patent/CN203537515U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561251A (en) * | 2013-11-21 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Image collecting circuit of power collecting and metering device |
| CN103561251B (en) * | 2013-11-21 | 2017-06-16 | 国网安徽省电力公司淮南供电公司 | The image acquisition circuit of electric power acquisition and measuring equipment |
| CN106338709A (en) * | 2016-08-31 | 2017-01-18 | 浙江恒业电子有限公司 | Intelligent meter system based on embedded platform |
| CN106405227A (en) * | 2016-08-31 | 2017-02-15 | 浙江恒业电子有限公司 | Intelligent electric meter system for carrying out real-time error compensation based on proportional simulation |
| CN106405227B (en) * | 2016-08-31 | 2019-02-22 | 浙江恒业电子有限公司 | A kind of intelligent electric meter system carrying out real-time error compensation based on scale modeling |
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