CN201057572Y - Intelligent terminal controller for powerline carrier - Google Patents
Intelligent terminal controller for powerline carrier Download PDFInfo
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- CN201057572Y CN201057572Y CNU2006201648703U CN200620164870U CN201057572Y CN 201057572 Y CN201057572 Y CN 201057572Y CN U2006201648703 U CNU2006201648703 U CN U2006201648703U CN 200620164870 U CN200620164870 U CN 200620164870U CN 201057572 Y CN201057572 Y CN 201057572Y
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Abstract
The utility model relates to a power line carrier intelligent terminal controller which comprises a carrier signal receiving unit, a carrier signal transmitting unit, a microprocessor unit, a control unit and a monitoring unit, wherein the carrier signal receiving unit and the carrier signal transmitting unit adopt the power line coupling technology and direct sequence spread spectrum technology; the utility model solves the defects of that the existing power line carrier control device is unable to avoid the influence of interference signal and has the high production cost; the utility model has the advantages of the high control accuracy rate, the strong anti-interference capability, the long transmission distance, the energy saving, the simple structure, the realization of independent control and the saving of installation space. The utility model can be applied to all fields which adopt the power line carrier signal transmission circuit to implement the data transmission and control, and can realize the power line street lamp control, street lamp detection, timing scene control detection of building landscape lamp, electrical appliance intelligent control and other functions.
Description
Technical field
The utility model relates to a kind of power line carrier control device, relates in particular to a kind of power line-carrier intelligent control device.
Background technology
In theory, by power line carrier technology can totally control various light fixtures and household electrical appliances on the line of electric force, step control and directly control.But, because a variety of causes, existing the undesired signal of various different frequencies in the line of electric force all the time, the frequency of this undesired signal is sometimes very near frequency of carrier signal, thereby influence the normal control signal transmission, even produces the control signal of mistake.Unpredictable and inevitable just because of undesired signal causes existing power line carrier technology can't solve the technical matters that undesired signal is brought fully, makes that the accuracy and the stability of power line carrier control are had a strong impact on.In addition, existing power line carrier wave control device has adopted various jamproof means in order to solve interference problem in circuit, and the result has increased component number and production cost greatly.So the theory of existing power line carrier control device is very perfect, but never enters the large-scale engineering applications stage.
Summary of the invention
The utility model purpose provides a kind of power line-carrier intelligent terminal control unit, and it has solved influence and the high technical matters of production cost that background technology power line carrier control device can't avoid interference signal.
Technical solution of the present utility model is:
A kind of power line-carrier intelligent terminal control unit comprises system power supply Vcc and microprocessor unit U5, and its special character is that described power line-carrier intelligent terminal control unit also comprises carrier signal receiving element and control module U7; Described carrier signal receiving element can receive the control signal of power line transmission, and it comprises transformer unit U1, input processing unit U3 and mixing unit U4; The high-pressure side of described transformer unit U1 is connected between the live wire and ground wire of line of electric force, its low pressure end links to each other with the input end of input processing unit U3, the output terminal of described input processing unit U3 links to each other with the input end of mixing unit U4, and the output terminal of described mixing unit U4 links to each other with microprocessor unit U5; The input end of described control module U7 links to each other with microprocessor unit U5, and its output terminal is connected in the controlled consumer U8 loop and the state of the controlled consumer U8 of may command; Described microprocessor unit U5 can generate control signal, can handle and control signal is sent to control module U7 the control signal that the carrier signal receiving element is received.
Above-mentioned power line-carrier intelligent terminal control unit also comprises monitoring unit U6 and carrier signal transmitting element; The input end of described monitoring unit U6 is connected in the controlled consumer U8 loop and can monitors the electric parameter of controlled consumer U8, and its output terminal links to each other with microprocessor unit U5; Described microprocessor unit U5 can handle and pilot signal is sent into the carrier signal transmitting element the pilot signal that monitoring unit U6 generates; Described carrier signal transmitting element can be coupled to pilot signal on the line of electric force and transmit, it comprises mixing unit U4, output amplifying unit U2 and transformer unit U1, the input end of described mixing unit U4 links to each other with microprocessor unit U5, its output terminal links to each other with the input end of output amplifying unit U2, the output terminal of described output amplifying unit U2 links to each other with the low pressure end of transformer unit U1, and the high-pressure side of described transformer unit U1 is connected between the live wire and ground wire of line of electric force.
Above-mentioned carrier signal transmitting element and carrier signal receiving element are respectively arranged with transformer unit U1 and mixing unit U4.
A shared transformer unit U1 of above-mentioned carrier signal transmitting element and carrier signal receiving element or a shared mixing unit U4.
The shared transformer unit U1 of above-mentioned carrier signal transmitting element and carrier signal receiving element and a mixing unit U4.
Above-mentioned transformer unit U1 comprises transformer T1, high-pressure side block isolating circuit U11 and high tension protection circuit U13; The high-pressure side of described transformer T1 is connected between the live wire and ground wire of line of electric force, and its low pressure end links to each other with the two ends of high tension protection circuit U13; Described high-pressure side block isolating circuit U11 is connected in the high-pressure side of transformer T1; Described input processing unit U3 comprises receiving end current-limiting circuit U31, LC filtering circuit U32, voltage-limiting protection circuit U 33, low pressure end block isolating circuit U34; The input end of described receiving end current-limiting circuit U31 links to each other with the high-end of low pressure end of transformer T1; The output terminal of the high-end and receiving end current-limiting circuit U31 of described LC filtering circuit U32 and the input end of low pressure end block isolating circuit U34 link to each other its low side ground connection; The output terminal of described low pressure end block isolating circuit U34 links to each other with the input end of mixing unit; Described voltage-limiting protection circuit U 33 is connected in parallel on the two ends of LC filtering circuit U32; Described output amplifying unit U2 comprises signal coupling circuit U21, transmitting terminal current-limiting circuit U22, transmitting terminal amplifying circuit U23, amplifies holding circuit U26, transmitting terminal holding circuit U24, radiating circuit U25; The input end of described signal coupling circuit U21 links to each other with the output terminal of mixing unit, and its output terminal links to each other with the input end of transmitting terminal current-limiting circuit U22, and the output terminal of described transmitting terminal current-limiting circuit U22 links to each other with the input end of transmitting terminal amplifying circuit U23; Described transmitting terminal holding circuit U24 is connected in parallel on the two ends of transmitting terminal amplifying circuit U23; Described radiating circuit U25 is a LC series connection radiating circuit, and its capacitance terminal links to each other with the output terminal of transmitting terminal amplifying circuit U23, and its inductance end links to each other with the high-end of low pressure end of transformer T1; The high terminating systems power Vcc of described amplification holding circuit U26, its low input end that is terminated at transmitting terminal amplifying circuit U23.
Above-mentioned mixing unit U4 comprises an inductance L 3 and two capacitor C 7, C8, and the two ends of described inductance L 3 are respectively input end and the output terminal of mixing unit U4, and described two capacitor C 7, C8 are connected on respectively between the two ends and ground of inductance L 3.
Above-mentioned control module U7 is a relay J 1; Described monitoring unit U6 is current transformer T2 or voltage transformer (VT).
Above-mentioned output amplifying unit U2 comprises positive signal coupled circuit, positive polarity transmitting terminal current-limiting circuit, positive polarity transmitting terminal amplifying circuit, positive polarity amplification holding circuit, positive polarity transmitting terminal holding circuit, negative polarity signal coupling circuit, negative polarity transmitting terminal current-limiting circuit, negative polarity transmitting terminal amplifying circuit, negative polarity amplification holding circuit, negative polarity transmitting terminal holding circuit and radiating circuit U25; The input end of described positive signal coupled circuit and negative polarity signal coupling circuit all links to each other with the output terminal of mixing unit U4; The output terminal of described positive signal coupled circuit links to each other with the input end of positive polarity transmitting terminal current-limiting circuit, described positive polarity transmitting terminal amplifying circuit comprises that one-level is amplified PNP pipe G3 and secondary amplifies NPN pipe G1, described one-level is amplified the base stage of PNP pipe G3 and the output terminal of positive polarity transmitting terminal current-limiting circuit links to each other, its emitter welding system power Vcc, its collector connects the base stage that secondary amplifies NPN pipe G1, described secondary amplifies the collector welding system power Vcc of NPN pipe G1, the input end of its emitter sending and receiving radio road U25; The output terminal of described negative polarity signal coupling circuit links to each other with the input end of negative polarity transmitting terminal current-limiting circuit, described negative polarity transmitting terminal amplifying circuit comprises that one-level is amplified NPN pipe G4 and secondary amplifies PNP pipe G2, described one-level is amplified the base stage of NPN pipe G4 and the output terminal of negative polarity transmitting terminal current-limiting circuit links to each other, its grounded emitter, its collector connects the base stage that secondary amplifies PNP pipe G2, described secondary amplifies the grounded collector of PNP pipe G2, the input end of its emitter sending and receiving radio road U25; The base stage that described secondary amplifies NPN pipe G1 is connected with the base stage that secondary amplifies PNP pipe G2; Described positive polarity is amplified the high termination one-level of holding circuit and is amplified the emitter that PNP manages G3, and its low termination one-level is amplified the base stage of PNP pipe G3; Described negative polarity is amplified the high termination one-level of holding circuit and is amplified the base stage that NPN manages G4, and its low termination one-level is amplified the emitter of NPN pipe G4; The high terminating systems power Vcc of described positive polarity transmitting terminal holding circuit, its low termination secondary amplifies the emitter of NPN pipe G1; The high termination secondary of described negative polarity transmitting terminal holding circuit amplifies the emitter of PNP pipe G2, its low side ground connection; Described radiating circuit U25 is a LC series connection radiating circuit, and its capacitance terminal amplifies the emitter of NPN pipe G1 with secondary and the emitter of secondary amplification PNP pipe G2 links to each other, and its inductance end links to each other with the high-end of low pressure end of transformer T1.
Above-mentioned high-pressure side block isolating circuit U11 is a capacitor C 1; Described high tension protection circuit U13 is that a transient voltage suppresses diode D1; Described receiving end current-limiting circuit U31 is a resistance R 3; Described voltage-limiting protection circuit U 33 is diode D7, the D8 of two reverse parallel connections; Described low pressure end block isolating circuit U34 is a capacitor C 6; Above-mentioned signal coupling circuit U21 comprises positive signal coupled circuit and negative polarity signal coupling circuit, and described positive signal coupled circuit is a capacitor C 3; Described negative polarity signal coupling circuit is a capacitor C 4; Above-mentioned transmitting terminal current-limiting circuit U22 comprises positive polarity transmitting terminal current-limiting circuit and negative polarity transmitting terminal current-limiting circuit, and described positive polarity transmitting terminal current-limiting circuit is a resistance R 1; Described negative polarity transmitting terminal current-limiting circuit is a resistance R 2; Above-mentioned transmitting terminal holding circuit U24 comprises positive polarity transmitting terminal holding circuit and negative polarity transmitting terminal holding circuit, and described positive polarity transmitting terminal holding circuit is a diode D3; Described negative polarity transmitting terminal holding circuit is a diode D2; Described amplification holding circuit U26 comprises that positive polarity is amplified holding circuit and negative polarity is amplified holding circuit, and it is a stabilivolt D4 that described positive polarity is amplified holding circuit, and it is a stabilivolt D5 that described negative polarity is amplified holding circuit.
The utility model has the advantages that:
1, simple in structure.The transformer unit U1 of the utility model power line-carrier intelligent terminal control unit, input processing unit U3, output amplifying unit U2 and mixing unit U4 all adopt the simplest separating component to build, and carrier signal transmitting element and carrier signal receiving element adopt same transformer unit U1 and same mixing unit U4, and can send simultaneously and the reception carrier signal.
2, applied range.The utility model power line-carrier intelligent terminal control unit can be applicable to all fields of adopting the power line carrier signal circuit to carry out data transmission and control, such as realizing functions such as the control of line of electric force street lamp, street lamp detect, construction landscape lamp timing scene control detection, can open or close single lamp, one group of lamp, all lamps according to actual needs, but the state of feedback lamp and many lamp switches, carrying out single lamp failure monitors and reports, accurately report abort situation, be convenient to on-call maintenance, guarantee bright lamp rate; Also can realize functions such as household electrical appliances Based Intelligent Control.
3, antijamming capability is strong, transmission range is long.The utility model power line-carrier intelligent terminal control unit adopts line of electric force coupling technique and direct sequence spread spectrum technology, has precise control rate height, antijamming capability is strong, transmission range is long characteristics.Because undesired signal and block signal do not have spreading factor, can be suppressed, so can obtain higher noiseproof feature and antiblocking characteristic by direct sequence spread spectrum.
4, can realize independent control.When if upper level controller place line of electric force breaks down, then it can't send control information to the utility model power line-carrier intelligent terminal control unit, because the utility model power line-carrier intelligent terminal control unit is provided with microprocessor unit U5, can normally control in the control signal that does not have to set in advance according to inside under the situation of external control signal.
5, energy-conservation.If all street lamps in a city all adopt the utility model power line-carrier intelligent terminal control unit, then a control center can control arbitrarily more than 60,000 group light fixtures.As: in a certain zone,, according to the actual illumination demand of each time period, programming Control is carried out in the use of street lamp, thereby rationally utilize the light resource, not only embodied lighting effects but also save electric energy by to the stream of people's quantitative analysis of each time period at night.
6, little, in light weight, the saving installing space of volume.The utility model just can be controlled and monitor this light fixture or household electrical appliances by a power line-carrier intelligent terminal control unit that has the small size of power line carrier coupled circuit is installed on light fixture or household electrical appliances by GPRS network and line of electric force.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model power line-carrier intelligent terminal control unit;
Fig. 2 is a kind of physical circuit synoptic diagram of the utility model power line-carrier intelligent terminal control unit;
Wherein: U1-transformer unit, U11-high-pressure side block isolating circuit, T1-transformer; the U13-high tension protection circuit, U2-exports amplifying unit, U21-signal coupling circuit; U22-transmitting terminal current-limiting circuit, U23-transmitting terminal amplifying circuit, U24-transmitting terminal holding circuit; the U25-radiating circuit, U26-amplifies holding circuit, U3-input processing unit; U31-receiving end current-limiting circuit, U32-LC filtering circuit, U33-voltage-limiting protection circuit; U34-low pressure end block isolating circuit, U4-mixing unit, U5-microprocessor unit; the U6-monitoring unit, U7-control module, the controlled consumer of U8-; the Vcc-system power supply, L1～L3-inductance, C1～C8-electric capacity; R1～R3-resistance; the T2-current transformer, J1-relay, the controlled street lamp of L-; the MCU-Programmable Logic Controller; D1-bi-directional voltage stabilizing pipe, D2; D3; D7; the D8-diode, D4; the D5-stabilivolt; the G1-secondary amplifies the NPN pipe; the G2-secondary amplifies the PNP pipe, and the G3-one-level is amplified the PNP pipe, and the G4-one-level is amplified the NPN pipe.
Embodiment
The circuit theory diagrams of the utility model power line-carrier intelligent terminal control unit are seen Fig. 1, comprise system power supply Vcc, carrier signal receiving element, carrier signal transmitting element, microprocessor unit U5, control module U7, monitoring unit U6; The shared transformer unit U1 of carrier signal receiving element and carrier signal transmitting element and a mixing unit U4, wherein the carrier signal receiving element also comprises input processing unit U3, the carrier signal transmitting element also comprises output amplifying unit U2.
Transformer unit U1 reduces to the 220V alternating voltage 12V alternating voltage or the 12V alternating voltage is upgraded to the 220V alternating voltage, it comprises transformer T1, high-pressure side block isolating circuit U11 and high tension protection circuit U13, the high-pressure side of transformer T1 is connected between the live wire and ground wire of line of electric force, and its low pressure end links to each other with the two ends of high tension protection circuit U13; High-pressure side block isolating circuit U11 is connected in the high-pressure side of transformer T1; The high-end input end with input processing unit U3 of transformer T1 low pressure end links to each other;
Output amplifying unit U2 can be sent to the simulation monitoring signal on the line of electric force and transmit, and comprises signal coupling circuit U21, transmitting terminal current-limiting circuit U22, transmitting terminal amplifying circuit U23, amplifies holding circuit U26, transmitting terminal holding circuit U24, radiating circuit U25; The input end of signal coupling circuit U21 links to each other with the output terminal of mixing unit U4, and its output terminal links to each other with the input end of transmitting terminal current-limiting circuit U22, and the output terminal of transmitting terminal current-limiting circuit U22 links to each other with the input end of transmitting terminal amplifying circuit U23; Transmitting terminal holding circuit U24 is connected in parallel on the two ends of transmitting terminal amplifying circuit U23; Radiating circuit U25 is a LC series connection radiating circuit, and its capacitance terminal links to each other with the output terminal of transmitting terminal amplifying circuit U23, and its inductance end links to each other with the high-end of low pressure end of transformer T1; Amplify the high terminating systems power Vcc of holding circuit U26, its low input end that is terminated at transmitting terminal amplifying circuit U23.
Input processing unit U3 can receive the analog control signal of power line transmission, comprises receiving end current-limiting circuit U31, LC filtering circuit U32, low pressure end block isolating circuit U34, voltage-limiting protection circuit U 33; The input end of receiving end current-limiting circuit U31 links to each other with the high-end of low pressure end of transformer T1; The output terminal of the high-end and receiving end current-limiting circuit U31 of LC filtering circuit U32 and the input end of low pressure end block isolating circuit U34 link to each other its low side ground connection; The output terminal of low pressure end block isolating circuit U34 links to each other with the input end of mixing unit U4; Voltage-limiting protection circuit U 33 is connected in parallel on the two ends of LC filtering circuit U32.
The simulating signal that mixing unit U4 can send input processing unit U3 here becomes digital signal, promptly signal is carried out straight preface despreading and handles, and the output terminal of mixing unit U4 links to each other with microprocessor unit U5;
The control signal that microprocessor unit U5 can generate control signal, received the carrier signal receiving element is handled and control signal is sent to control module U7;
The input end of control module U7 links to each other with microprocessor unit U5, and its output terminal is connected in the controlled consumer U8 loop and the state of the controlled consumer U8 of may command;
The input end of monitoring unit U6 is connected in the controlled consumer U8 loop and can monitors the electric parameter of controlled consumer U8, and its output terminal links to each other with microprocessor unit U5.
A kind of streetlight control circuit figure of the utility model power line-carrier intelligent terminal control unit sees Fig. 2, transformer unit U1 comprises that capacitor C 1, transformer T1 and transient voltage suppress diode D1 (bi-directional voltage stabilizing pipe), wherein capacitor C 1 constitutes high-pressure side block isolating circuit U11, and transient voltage suppresses diode D1 and constitutes high tension protection circuit U13; The high-pressure side of transformer T1 is connected between the live wire and ground wire of line of electric force, and its low pressure end links to each other with the two ends that transient voltage suppresses diode D1; Capacitor C 1 is connected in the high-pressure side of transformer T1;
Input processing unit U3 comprises resistance R 3, capacitor C 5 and C6, inductance L 1, diode D7 and D8, wherein resistance R 3 constitutes receiving end current-limiting circuit U31, capacitor C 5 and inductance L 1 are formed LC filtering circuit U32, capacitor C 6 constitutes low pressure end block isolating circuit U34, and the diode D7 of two reverse parallel connections and D8 form voltage-limiting protection circuit U 33; One end of resistance R 3 links to each other with the high-end of low pressure end of transformer T1; The other end of the high-end and resistance R 3 of LC filtering circuit links to each other with an end of capacitor C 6, its low side ground connection; The other end of capacitor C 6 links to each other with the input end of mixing unit U4; Diode D7 and D8 are connected in parallel on the two ends of LC filtering circuit;
Output amplifying unit U2 comprises bipolarity two-stage amplifying circuit and radiating circuit U25, transmitting terminal amplifying circuit U23, amplification holding circuit U26, transmitting terminal holding circuit U24 that positive polarity amplifying circuit and negative polarity amplifying circuit comprise signal coupling circuit U21, transmitting terminal current-limiting circuit U22 respectively, adopt two-stage to amplify; Capacitor C 3, C4 constitutes positive signal coupled circuit and negative polarity signal coupling circuit respectively, resistance R 1, R2 constitutes positive polarity transmitting terminal current-limiting circuit and negative polarity transmitting terminal current-limiting circuit respectively, stabilivolt D4, D5 constitutes positive polarity respectively and amplifies holding circuit and negative polarity amplification holding circuit, one-level amplifies PNP pipe G3 and secondary amplifies NPN pipe G1 formation positive polarity transmitting terminal amplifying circuit, one-level amplifies NPN pipe G4 and secondary amplifies PNP pipe G2 formation negative polarity transmitting terminal amplifying circuit, diode D2, D3 constitutes positive polarity transmitting terminal holding circuit and negative polarity transmitting terminal holding circuit respectively, and capacitor C 2 and inductance L 2 constitute LC series connection radiating circuit; The common port of inductance L 3 and capacitor C 7 links to each other among the common port of capacitor C 3, C4 and the mixing unit U4, one end of the other end of capacitor C 3 and resistance R 1 links to each other, one-level is amplified the base stage of PNP pipe G3 and the other end of resistance R 1 links to each other, its emitter welding system power Vcc, its collector connects the base stage that secondary amplifies NPN pipe G1, secondary amplifies the collector welding system power Vcc of NPN pipe G1, and its emitter links to each other with an end of the capacitor C 2 of LC series connection radiating circuit; One end of the other end of capacitor C 4 and resistance R 2 links to each other, one-level is amplified the base stage of NPN pipe G4 and the other end of resistance R 2 links to each other, its grounded emitter, its collector connects the base stage that secondary amplifies PNP pipe G2, secondary amplifies the grounded collector of PNP pipe G2, and its emitter links to each other with an end of the capacitor C 2 of LC series connection radiating circuit; The base stage that secondary amplifies NPN pipe G1 is connected with the base stage that secondary amplifies PNP pipe G2; Radiating circuit U25 is a LC series connection radiating circuit, and its inductance L 2 links to each other with the high-end of low pressure end of transformer T1;
Mixing unit U4 comprises an inductance L 3 and two capacitor C 7, C8, and as input end and the output terminal of mixing unit U4, two capacitor C 7, C8 are connected on respectively between the two ends and ground of inductance L 3 respectively at the two ends of inductance L 3.
Control module U7 is a relay J 1, and it is serially connected in the current supply circuit of controlled street lamp L;
Monitoring unit U6 is current transformer T2, and it is serially connected in the current supply circuit of controlled street lamp L.
Wherein holding circuit also can be selected other circuit forms.
Principle of work of the present utility model is:
The utility model has adopted the carrier communication technology of direct sequence spread spectrum.Direct sequence spread spectrum is exactly to use to multiply each other with transmission signals than the high a lot of pseudo-random sequence doubly of transmission signals speed to reach the bandwidth of expanding transmission signals.Earlier transmission signals is carried out spread spectrum at transmitting terminal and carry out DPSK (direct sequence spread spectrum) modulation again, the extension frequency carrier signal transmits through being coupled on the line of electric force after the power amplification.After receiving end DPSK demodulation, use with the synchronous local pseudo-random sequence despreading of transmitting terminal and can recover transmission signals, only comprise after despreading is handled spreading factor, desirable transmission signals appears in the receiver.Because undesired signal and block signal do not have spreading factor, can be suppressed, so can obtain higher noiseproof feature and antiblocking characteristic by spread spectrum.
The carrier signal transtation mission circuit and the carrier signal receiving circuit of the carrier signal transtation mission circuit of power line-carrier intelligent terminal control unit and carrier signal receiving circuit and upper level controller are basic identical.The power line-carrier intelligent terminal control unit adopts the relay of microprocessor chip driving control unit, finishes the switch to the 220V street lamp; Detecting unit adopts current transformer T2 or voltage transformer (VT) to gather the state of street lamp, sends micro-control unit then to, and micro-control unit calculates correct street lamp information and carries out the control signal transmission.
The preferred circuit parameter of the utility model power line-carrier intelligent terminal control unit is as follows:
1] output signal level: 12 ± 0.5V;
2] carrier frequency: 120 ± 5kHz;
3] carrier communication speed: 500BPS;
4] PC and host exchange communication speed: 2400BPS.
The control signal of upper level controller is coupled on the line of electric force by the amplification of carrier signal transtation mission circuit to be transmitted, the power line-carrier intelligent terminal control unit comes out to be reduced into control signal by the signal demodulation that the carrier signal receiving circuit is come power line transmission, the pilot signal that monitoring unit is sent is up crossed and is coupled on the line of electric force after the carrier wave signal sending circuit amplifies simultaneously, the upper level controller comes out to be reduced into pilot signal by the signal demodulation that the carrier signal receiving circuit is come power line transmission again, finishes the transmission and the reception of primary carrier signal.
Claims (10)
1. a power line-carrier intelligent terminal control unit comprises system power supply (Vcc) and microprocessor unit (U5), it is characterized in that: described power line-carrier intelligent terminal control unit also comprises carrier signal receiving element and control module (U7); Described carrier signal receiving element can receive the control signal of power line transmission, and it comprises transformer unit (U1), input processing unit (U3) and mixing unit (U4); The high-pressure side of described transformer unit (U1) is connected between the live wire and ground wire of line of electric force, its low pressure end links to each other with the input end of input processing unit (U3), the output terminal of described input processing unit (U3) links to each other with the input end of mixing unit (U4), and the output terminal of described mixing unit (U4) links to each other with microprocessor unit (U5); The input end of described control module (U7) links to each other with microprocessor unit (U5), and its output terminal is connected in controlled consumer (U8) loop and the state of the controlled consumer of may command (U8); Described microprocessor unit (U5) can generate control signal, can handle and control signal is sent to control module (U7) the control signal that the carrier signal receiving element is received.
2. power line-carrier intelligent terminal control unit according to claim 1 is characterized in that: described power line-carrier intelligent terminal control unit also comprises monitoring unit (U6) and carrier signal transmitting element; The input end of described monitoring unit (U6) is connected in controlled consumer (U8) loop and can monitors the electric parameter of controlled consumer (U8), and its output terminal links to each other with microprocessor unit (U5); Described microprocessor unit (U5) can be handled and pilot signal is sent into the carrier signal transmitting element the pilot signal that monitoring unit (U6) generates; Described carrier signal transmitting element can be coupled to pilot signal on the line of electric force and transmit, it comprises mixing unit (U4), output amplifying unit (U2) and transformer unit (U1), the input end of described mixing unit (U4) links to each other with microprocessor unit (U5), its output terminal links to each other with the input end of output amplifying unit (U2), the output terminal of described output amplifying unit (U2) links to each other with the low pressure end of transformer unit (U1), and the high-pressure side of described transformer unit (U1) is connected between the live wire and ground wire of line of electric force.
3. power line-carrier intelligent terminal control unit according to claim 2 is characterized in that: described carrier signal transmitting element and carrier signal receiving element are respectively arranged with transformer unit (U1) and mixing unit (U4).
4. power line-carrier intelligent terminal control unit according to claim 2 is characterized in that: a shared transformer unit of described carrier signal transmitting element and carrier signal receiving element (U1) or a shared mixing unit (U4).
5. power line-carrier intelligent terminal control unit according to claim 2 is characterized in that: a shared transformer unit of described carrier signal transmitting element and carrier signal receiving element (U1) and a mixing unit (U4).
6. according to claim 1 or 2 or 3 or 4 or 5 described power line-carrier intelligent terminal control units, it is characterized in that: described transformer unit (U1) comprises transformer (T1), high-pressure side block isolating circuit (U11) and high tension protection circuit (U13); The high-pressure side of described transformer (T1) is connected between the live wire and ground wire of line of electric force, and its low pressure end links to each other with the two ends of high tension protection circuit (U13); Described high-pressure side block isolating circuit (U11) is connected in the high-pressure side of transformer (T1); Described input processing unit (U3) comprises receiving end current-limiting circuit (U31), LC filtering circuit (U32), voltage-limiting protection circuit (U33), low pressure end block isolating circuit (U34); The input end of described receiving end current-limiting circuit (U31) links to each other with the high-end of low pressure end of transformer (T1); The output terminal of the high-end and receiving end current-limiting circuit (U31) of described LC filtering circuit (U32) and the input end of low pressure end block isolating circuit (U34) link to each other its low side ground connection; The output terminal of described low pressure end block isolating circuit (U34) links to each other with the input end of mixing unit; Described voltage-limiting protection circuit (U33) is connected in parallel on the two ends of LC filtering circuit (U32); Described output amplifying unit (U2) comprises signal coupling circuit (U21), transmitting terminal current-limiting circuit (U22), transmitting terminal amplifying circuit (U23), amplifies holding circuit (U26), transmitting terminal holding circuit (U24), radiating circuit (U25); The input end of described signal coupling circuit (U21) links to each other with the output terminal of mixing unit, its output terminal links to each other with the input end of transmitting terminal current-limiting circuit (U22), and the output terminal of described transmitting terminal current-limiting circuit (U22) links to each other with the input end of transmitting terminal amplifying circuit (U23); Described transmitting terminal holding circuit (U24) is connected in parallel on the two ends of transmitting terminal amplifying circuit (U23); Described radiating circuit (U25) is LC series connection radiating circuit, and its capacitance terminal links to each other with the output terminal of transmitting terminal amplifying circuit (U23), and its inductance end links to each other with the high-end of low pressure end of transformer (T1); The high terminating systems power supply (Vcc) of described amplification holding circuit (U26), its low input end that is terminated at transmitting terminal amplifying circuit (U23).
7. power line-carrier intelligent terminal control unit according to claim 6, it is characterized in that: described mixing unit (U4) comprises an inductance (L3) and two electric capacity (C7, C8), the two ends of described inductance (L3) are respectively the input end and the output terminal of mixing unit (U4), and described two electric capacity (C7, C8) are connected on respectively between the two ends and ground of inductance (L3).
8. power line-carrier intelligent terminal control unit according to claim 6 is characterized in that: described control module (U7) is a relay (J1); Described monitoring unit (U6) is current transformer (T2) or voltage transformer (VT).
9. power line-carrier intelligent terminal control unit according to claim 6 is characterized in that: described output amplifying unit (U2) comprises positive signal coupled circuit, positive polarity transmitting terminal current-limiting circuit, positive polarity transmitting terminal amplifying circuit, positive polarity amplification holding circuit, positive polarity transmitting terminal holding circuit, negative polarity signal coupling circuit, negative polarity transmitting terminal current-limiting circuit, negative polarity transmitting terminal amplifying circuit, negative polarity amplification holding circuit, negative polarity transmitting terminal holding circuit and radiating circuit (U25); The input end of described positive signal coupled circuit and negative polarity signal coupling circuit all links to each other with the output terminal of mixing unit (U4); The output terminal of described positive signal coupled circuit links to each other with the input end of positive polarity transmitting terminal current-limiting circuit, described positive polarity transmitting terminal amplifying circuit comprises that one-level is amplified PNP pipe (G3) and secondary amplifies NPN pipe (G1), described one-level is amplified the base stage of PNP pipe (G3) and the output terminal of positive polarity transmitting terminal current-limiting circuit links to each other, its emitter welding system power supply (Vcc), its collector connects the base stage that secondary amplifies NPN pipe (G1), described secondary amplifies the collector welding system power supply (Vcc) of NPN pipe (G1), the input end on its emitter sending and receiving radio road (U25); The output terminal of described negative polarity signal coupling circuit links to each other with the input end of negative polarity transmitting terminal current-limiting circuit, described negative polarity transmitting terminal amplifying circuit comprises that one-level is amplified NPN pipe (G4) and secondary amplifies PNP pipe (G2), described one-level is amplified the base stage of NPN pipe (G4) and the output terminal of negative polarity transmitting terminal current-limiting circuit links to each other, its grounded emitter, its collector connects the base stage that secondary amplifies PNP pipe (G2), described secondary amplifies the grounded collector of PNP pipe (G2), the input end on its emitter sending and receiving radio road (U25); The base stage that described secondary amplifies NPN pipe (G1) is connected with the base stage that secondary amplifies PNP pipe (G2); Described positive polarity is amplified the high termination one-level of holding circuit and is amplified the emitter that PNP manages (G3), and its low termination one-level is amplified the base stage of PNP pipe (G3); Described negative polarity is amplified the high termination one-level of holding circuit and is amplified the base stage that NPN manages (G4), and its low termination one-level is amplified the emitter of NPN pipe (G4); The high terminating systems power supply (Vcc) of described positive polarity transmitting terminal holding circuit, its low termination secondary amplifies the emitter of NPN pipe (G1); The high termination secondary of described negative polarity transmitting terminal holding circuit amplifies the emitter of PNP pipe (G2), its low side ground connection; Described radiating circuit (U25) is a LC series connection radiating circuit, and its capacitance terminal amplifies the emitter of NPN pipe (G1) with secondary and the emitter of secondary amplification PNP pipe (G2) links to each other, and its inductance end links to each other with the high-end of low pressure end of transformer (T1).
10. power line-carrier intelligent terminal control unit according to claim 6 is characterized in that: described high-pressure side block isolating circuit (U11) is an electric capacity (C1); Described high tension protection circuit (U13) is that a transient voltage suppresses diode (D1); Described receiving end current-limiting circuit (U31) is a resistance (R3); Described voltage-limiting protection circuit (U33) is the diode (D7, D8) of two reverse parallel connections; Described low pressure end block isolating circuit (U34) is an electric capacity (C6); Described signal coupling circuit (U21) comprises positive signal coupled circuit and negative polarity signal coupling circuit, and described positive signal coupled circuit is an electric capacity (C3); Described negative polarity signal coupling circuit is an electric capacity (C4); Above-mentioned transmitting terminal current-limiting circuit (U22) comprises positive polarity transmitting terminal current-limiting circuit and negative polarity transmitting terminal current-limiting circuit, and described positive polarity transmitting terminal current-limiting circuit is a resistance (R1); Described negative polarity transmitting terminal current-limiting circuit is a resistance (R2); Above-mentioned transmitting terminal holding circuit (U24) comprises positive polarity transmitting terminal holding circuit and negative polarity transmitting terminal holding circuit, and described positive polarity transmitting terminal holding circuit is a diode (D3); Described negative polarity transmitting terminal holding circuit is a diode (D2); Described amplification holding circuit (U26) comprises that positive polarity is amplified holding circuit and negative polarity is amplified holding circuit, and it is a stabilivolt (D4) that described positive polarity is amplified holding circuit, and it is a stabilivolt (D5) that described negative polarity is amplified holding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201648703U CN201057572Y (en) | 2006-12-28 | 2006-12-28 | Intelligent terminal controller for powerline carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201648703U CN201057572Y (en) | 2006-12-28 | 2006-12-28 | Intelligent terminal controller for powerline carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201057572Y true CN201057572Y (en) | 2008-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201648703U Expired - Fee Related CN201057572Y (en) | 2006-12-28 | 2006-12-28 | Intelligent terminal controller for powerline carrier |
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| Country | Link |
|---|---|
| CN (1) | CN201057572Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730390A (en) * | 2015-03-30 | 2015-06-24 | 青岛东软载波智能电子有限公司 | Monitor for electricity utilization |
| CN108539720A (en) * | 2018-03-08 | 2018-09-14 | 华北电力大学扬中智能电气研究中心 | A kind of carrier module, intelligent electric meter and Signal Regulation method, system |
| CN115085750A (en) * | 2022-06-09 | 2022-09-20 | 广东圣大电子有限公司 | Anti-blocking radio receiver |
-
2006
- 2006-12-28 CN CNU2006201648703U patent/CN201057572Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730390A (en) * | 2015-03-30 | 2015-06-24 | 青岛东软载波智能电子有限公司 | Monitor for electricity utilization |
| CN108539720A (en) * | 2018-03-08 | 2018-09-14 | 华北电力大学扬中智能电气研究中心 | A kind of carrier module, intelligent electric meter and Signal Regulation method, system |
| CN115085750A (en) * | 2022-06-09 | 2022-09-20 | 广东圣大电子有限公司 | Anti-blocking radio receiver |
| CN115085750B (en) * | 2022-06-09 | 2023-08-15 | 广东圣大电子有限公司 | Anti-blocking radio receiver |
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