CN2730037Y - Carrier controller - Google Patents
Carrier controller Download PDFInfo
- Publication number
- CN2730037Y CN2730037Y CN 200420072980 CN200420072980U CN2730037Y CN 2730037 Y CN2730037 Y CN 2730037Y CN 200420072980 CN200420072980 CN 200420072980 CN 200420072980 U CN200420072980 U CN 200420072980U CN 2730037 Y CN2730037 Y CN 2730037Y
- Authority
- CN
- China
- Prior art keywords
- interface
- circuit
- chip microcomputer
- control signal
- carrier controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a carrier controller which comprises a power cable interface, a safe power supply interface, a control message interface, an SCM, a mod/demod circuit connected between the SCM and the power cable interface, an execution circuit connected between the SCM and the control message interface, and a power circuit connected with the safe power supply interface. The exterior control message is input to the SCM through the first signal line by the control message interface, then outputs the carrier transmission signal to the power cable interface through the mod/demod circuit. The exterior carrier transmission signal is input to the mod/demod circuit through the power cable interface, then outputs the control message to the control message interface through the SCM and the execution circuit by the second signal line. The utility model has the beneficial technical effects that the carrier controller dispenses with the special signal cable, the corresponding stringing, and the maintenance work because of the transmission signal borne by the power cable, cutting the cost hugely and improving the efficiency.
Description
Technical field
The utility model relates to electronic-controlled installation, particularly a kind of carrier controller.
Background technology
In the colliery, carry out the transmission of control signal between each contact point, use very generally.Traditional method is to transmit with the cable connected mode, because longer along the line, the cost of stringing and maintenance is very big, inefficiency.Prior art can not satisfy the constantly requirement of development of enterprise far away.
The utility model content
The purpose of this utility model provides a kind of carrier controller that saves special signal cable, the corresponding stringing of release and maintenance work, greatly reduces cost and raise the efficiency.
For achieving the above object, the utility model carrier controller comprises power cable interface, safety power supply interface and control signal interface, single-chip microcomputer and be connected single-chip microcomputer and the power cable interface between modulation-demodulation circuit, be connected the executive circuit between single-chip microcomputer and the control signal interface, and the power circuit that links to each other with the safety power supply interface; External control signal inputs to single-chip microcomputer by the control signal interface through first holding wire, exports the carrier transmission signal to the power cable interface through modulation-demodulation circuit; The external subcarrier transmission signals exports control signal to described control signal interface by the secondary signal line by power cable interface input modulation-demodulation circuit through single-chip microcomputer and executive circuit.
A kind of carrier controller that the utility model provides, wherein, the NE566 chip that modulation-demodulation circuit setting links to each other with single-chip microcomputer, emission power amplifier that links to each other successively with single-chip microcomputer, be made of second triode, the 3rd triode and high frequency transformer and the tank capacitance of connecting with high-frequency transformer coils, tank capacitance links to each other with the power cable interface.
A kind of carrier controller that the utility model provides wherein, is provided with photoelectrical coupler between first holding wire and the single-chip microcomputer.
The carrier controller that the utility model provides, wherein, the relay circuit of executive circuit for constituting by the relay and first triode, the normal opened contact two ends of relay link to each other with safety power supply with the secondary signal line respectively.
The carrier controller that the utility model provides, wherein, single-chip microcomputer is the AT89C2051 chip, and is connected to electric source monitoring circuit.
The carrier controller that the utility model provides, wherein, power circuit is the width modulation type switching power supply, and input voltage is 36V, and output voltage is 5V.
The carrier controller that the utility model provides, its beneficial technical effects is: because transmission signals is carried by power cable, saved the special signal cable, exempted corresponding stringing and maintenance work, greatly reduce cost and raise the efficiency.
Description of drawings
The utility model is elaborated with reference to accompanying drawing below in conjunction with embodiment.
Fig. 1 is the block diagram of the utility model carrier controller;
Fig. 2 is the utility model carrier controller circuit diagram;
Fig. 3 is the use winding diagram of the utility model carrier controller embodiment.
Embodiment
See figures.1.and.2, the embodiment of the utility model carrier controller comprises power cable interface 1, safety power supply interface 2, control signal interface 3, photoelectrical coupler 7, modulation-demodulation circuit 5, single-chip microcomputer 4 and executive circuit 6.Power cable interface 1 joins with the 660V cable.Safety power supply interface 2 is connected to the 36V power supply.External control signal is imported through the first holding wire A by control signal interface 3, is connected to single-chip microcomputer 4 through photoelectrical coupler 7, modulates through modulation-demodulation circuit 5 again.Emission power amplifier that modulation-demodulation circuit 5 is made of NE566 chip, the second triode T2, the 3rd triode T3 and high frequency transformer B and the tank capacitance C16, the C17 that connect with high frequency transformer B coil L2, L3 form.The carrier transmission signal of output is connected to power cable interface 1 through capacitor C 16, C17.The external subcarrier transmission signals carries out demodulation by power cable interface 1 input modulation-demodulation circuit 5, promptly is connected to high frequency transformer B coil L2, L3 through tank capacitance C16, C17, is connect the NE566 chip of input modulation-demodulation circuit 5 by B coil L4.Control signal will export control signal interface 3 to by executive circuit 6 and secondary signal line B.The relay circuit of executive circuit 6 for being made of the relay J and the first triode T1, its normal opened contact J-1 two ends link to each other with safety power supply interface 2 with secondary signal line B respectively.
Single-chip microcomputer 4 adopts the AT89C2051 chip, and is connected to electric source monitoring circuit 8, and this observation circuit is made of chip CD4011.
The concrete using method of the utility model carrier controller is described with the embodiment of a bell below.With reference to Fig. 3, wherein, a, b and 660V cable join.C, d and 36V safety power supply join.E, f and control signal are joined, the external button of e (in meet the first holding wire A), the external bell of f (in meet secondary signal line A).When pressing the button, control signal can be transferred to next contact point; On receiving during the carrier transmission signal of a contact point, the normal opened contact J-1 closure of relay J, bell sounding.
In conjunction with top embodiment, the course of work of the utility model carrier controller is described as follows:
1) emission
When external button was connected e, power supply was connected to photoelectrical coupler 7 and makes its conducting.Single-chip microcomputer 4 receives the Continuity signals line scanning of going forward side by side, and has judged whether misoperation, after time-delay in 0.5 second, connects the first triode T1, and relay J gets electric, its normal opened contact J-1 closure, the bell sounding that f is external; Simultaneously, single-chip microcomputer 4 produces 45KH
zSignal (20KH
zTo 320KH
zW is adjustable by potentiometer) and import the emission power amplifier that the second triode T2, the 3rd triode T3 constitute, be connected to power cable interface a, b by high frequency transformer B coil L2, L3 and tank capacitance C16, C17.
2) receive
The external subcarrier transmission signals is presented to coil L4 after tank capacitance C16, C17 and high frequency transformer B coil L2, L3 carry out frequency-selecting, through the NE566 chip of amplitude limit and filtering input modulation-demodulation circuit 5, and the data input single-chip microcomputer 4 after the demodulation.Single-chip microcomputer 4 judges whether these data are this contact point signal, if correct, output order is given the first triode T1, makes the relay J adhesive, its normal opened contact J-1 closure, and external bell is with sounding; If mistake is abandoned this data.
In other embodiment of the utility model carrier controller, can carry out transmission control between the contact point to the different control signal of other use.
Claims (6)
1. carrier controller, it is characterized in that, comprise power cable interface (1), safety power supply interface (2) and control signal interface (3), single-chip microcomputer (4) and be connected described single-chip microcomputer (4) and described power cable interface (1) between modulation-demodulation circuit (5), be connected the executive circuit (6) between described single-chip microcomputer (4) and the described control signal interface (3), and the power circuit (9) that links to each other with described safety power supply interface (2); External control signal inputs to described single-chip microcomputer (4) by described control signal interface (3) through first holding wire (A), exports the carrier transmission signal to described power cable interface (1) through described modulation-demodulation circuit (5); The external subcarrier transmission signals is imported described modulation-demodulation circuit (5) by described power cable interface (1), exports control signal to described control signal interface (3) by secondary signal line (B) through described single-chip microcomputer (4) and described executive circuit (6).
2. carrier controller according to claim 1, the NE566 chip that wherein said modulation-demodulation circuit (5) setting links to each other with described single-chip microcomputer (4), emission power amplifier that links to each other successively with described single-chip microcomputer (4), be made of second triode (T2), the 3rd triode (T3) and high frequency transformer (B) and the tank capacitance (C16, C17) of connecting with high frequency transformer (B) coil (L2, L3), tank capacitance (C16, C17) links to each other with power cable interface (1).
3. carrier controller according to claim 1 and 2 is provided with photoelectrical coupler (7) between wherein said first holding wire (A) and the described single-chip microcomputer (4).
4. carrier controller according to claim 3, wherein said executive circuit (6) is the relay circuit that is made of relay (J) and first triode (T1), and normal opened contact (J-1) two ends of described relay (J) link to each other with safety power supply with described secondary signal line (B) respectively.
5. carrier controller according to claim 4, wherein said single-chip microcomputer (4) is the AT89C2051 chip, and is connected to electric source monitoring circuit (8).
6. carrier controller according to claim 5, wherein said power circuit (9) is the width modulation type switching power supply, and input voltage is 36V, and output voltage is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420072980 CN2730037Y (en) | 2004-07-05 | 2004-07-05 | Carrier controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420072980 CN2730037Y (en) | 2004-07-05 | 2004-07-05 | Carrier controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2730037Y true CN2730037Y (en) | 2005-09-28 |
Family
ID=35048810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420072980 Expired - Fee Related CN2730037Y (en) | 2004-07-05 | 2004-07-05 | Carrier controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2730037Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541002A (en) * | 2011-12-21 | 2012-07-04 | 天津华宁电子有限公司 | Mining monitoring system based on low voltage power line carrier communication |
-
2004
- 2004-07-05 CN CN 200420072980 patent/CN2730037Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541002A (en) * | 2011-12-21 | 2012-07-04 | 天津华宁电子有限公司 | Mining monitoring system based on low voltage power line carrier communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107681913A (en) | A kind of ANPC types three-level inverter modulator approach | |
| CN205657457U (en) | Novel electric automobile alternating -current charging stake control device | |
| CN106849728B (en) | The control method of the non-isolated photovoltaic DC-to-AC converter of Clamp three-phase with continued flow switch | |
| CN2730037Y (en) | Carrier controller | |
| CN105537727A (en) | Welder circuit capable of achieving real-time monitoring on welding parameters and welder states at wire feeder end | |
| CN104393778A (en) | Method and device for modulating five-level inverter and photovoltaic system | |
| CN104635272B (en) | Distributed high-density electrical method instrument | |
| CN105490307B (en) | Mesohigh grid-connected system, mesohigh grid-connected system and its control unit | |
| CN202333340U (en) | Intelligent socket | |
| CN101783592A (en) | Modulation-demodulation method of high-voltage frequency converter | |
| CN107437849A (en) | The online switch modulation digital communication control system of local power utilization network | |
| CN107332455A (en) | A kind of single-phase Z sources high frequency chain matrix inverter topology and SPWM modulator approaches | |
| CN2586166Y (en) | Intelligence fast line inspection instrument | |
| CN209118104U (en) | A kind of sanitation project vehicle control system | |
| CN203433323U (en) | Direct-current power supply asynchronous parallel digital control system | |
| CN202550901U (en) | High-power alternating current-direct current converter | |
| CN208890679U (en) | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure | |
| CN207281251U (en) | A kind of detecting system of circuit board | |
| CN203136300U (en) | Illuminator-fault monitoring apparatus | |
| CN207218378U (en) | The online switch modulation digital communication control system of local power utilization network | |
| CN215989545U (en) | Special three-way coaxial connector for electricity utilization acquisition terminal | |
| CN201323458Y (en) | Automatic synchronization device of alternating-current synchronous generator | |
| CN2706769Y (en) | Frequency change power frequency phase detector | |
| CN205096690U (en) | Power -saving control equipment of station maintenance electric welding | |
| CN217428283U (en) | Hard clamp plate remote control communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |