CN206410281U - Carrier communication unit for fan coil controller - Google Patents

Carrier communication unit for fan coil controller Download PDF

Info

Publication number
CN206410281U
CN206410281U CN201621421987.5U CN201621421987U CN206410281U CN 206410281 U CN206410281 U CN 206410281U CN 201621421987 U CN201621421987 U CN 201621421987U CN 206410281 U CN206410281 U CN 206410281U
Authority
CN
China
Prior art keywords
signal
filter
signal input
circuit
input
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.)
Active
Application number
CN201621421987.5U
Other languages
Chinese (zh)
Inventor
马成有
欧国徽
杨飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING XINLIAN ELECTRONIC CO Ltd
Original Assignee
NANJING XINLIAN ELECTRONIC CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NANJING XINLIAN ELECTRONIC CO Ltd filed Critical NANJING XINLIAN ELECTRONIC CO Ltd
Priority to CN201621421987.5U priority Critical patent/CN206410281U/en
Application granted granted Critical
Publication of CN206410281U publication Critical patent/CN206410281U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

The utility model is a kind of carrier communication unit for fan coil controller, and its structure includes modem section, storage part, receiving portion, transmitting portion and filter-coupler circuit;It is characterized in that the first signal input/output terminal of described modem section is connected with the first signal input/output terminal of processing unit, the secondary signal input/output terminal of modem section is connected with storing the signal input/output terminal of part, the signal output part of modem section is connected with the signal input part of receiving portion, and the signal input part of modem section is connected with the signal output part of transmitting portion;The signal output part of receiving portion is connected with the signal input part of filter-coupler circuit;The signal output part of filter-coupler part is connected with the signal input part of transmitting portion;The power line interface of filter-coupler circuit is connected with low-voltage power line.Advantage:1)Remote control can be realized;2)Substantially reduce is influenceed by bursty interference;3)Really realize remote control and energy-saving and emission-reduction.

Description

Carrier communication unit for fan coil controller
Technical field
The utility model relates to a kind of carrier communication unit for fan coil controller, belong to Industry Control neck Domain.
Background technology
The fan coil control panel of water-cooled central air-conditioning, be primarily adapted for use in the market main flow two pipe two-wire systems, two Pipe three-wire system, four pipe two-wire system fan coils;Central air-conditioning is generally used for the fields such as Industry Control and common application, is large-scale Application scenario, power and power consumption ratio be larger, cause enterprise and public service industry with electric energy consumption also than larger;Traditional Controller of central air-conditioning fan coil, which is adopted, manually to be operated, and central air-conditioning temperature control human factor is relatively more, Indoor temperature can not accomplish effective control, it is impossible to real effect for realizing energy-saving and emission-reduction.
Power-line carrier communication refers to use number using a kind of communication mode of power line transmission data, bandwidth carrier Word multicarrier frequency multiplexing technique, multiple subcarriers are divided into by wider carrier frequency band, and mutually orthogonal height is loaded respectively Frequency carrier wave is modulated to data, realizes multicarrier parallel communications, is greatly improved the speed of communication and the distance of communication, is The preferred communication modes of water cooled central air conditioner control panel.
Utility model content
The utility model proposes a kind of carrier communication unit for fan coil controller, the purpose is to by electric power Line width band carrier wave communication technology is applied in controller of central air-conditioning fan coil so that central air-conditioning realizes remote monitoring, very Just realize energy-saving and emission-reduction.
Technical solution of the present utility model:A kind of carrier communication unit for fan coil controller, its structure Including modem section, storage part, receiving portion, transmitting portion and filter-coupler circuit;It is characterized in that described modulation First signal input/output terminal of demodulation part is connected with the first signal input/output terminal of processing unit, modem section Secondary signal input/output terminal with store part signal input/output terminal be connected, the signal output part of modem section It is connected with the signal input part of receiving portion, the signal input part of modem section and the signal output part phase of transmitting portion Even;The signal output part of receiving portion is connected with the signal input part of filter-coupler circuit;The signal output of filter-coupler part End is connected with the signal input part of transmitting portion;The power line interface of filter-coupler circuit is connected with low-voltage power line.
Advantage of the present utility model:
1)Power wire broadband carrier mechanics of communication is applied in controller of central air-conditioning fan coil, centering can be realized Entreat the remote control of coil pipe of air-conditioner blower controller;
2)Bandwidth carrier traffic rate is high, and the transmission of data can be completed within the extremely short time, incident can be substantially reduced Influenceed by bursty interference, even if a communication failure, can also be retransmitted rapidly, it is ensured that data are reliable;
3)By the relay function of bandwidth carrier mechanics of communication, the transmission distance of fan coil controller can be greatly improved From really realizing remote control and energy-saving and emission-reduction.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the fan coil controller based on power wire broadband carrier mechanics of communication.
Accompanying drawing 2 is carrier communication unit and processing unit associated diagram.
Accompanying drawing 3 is processing unit and control unit associated diagram.
Accompanying drawing 4 is carrier communication cellular system block diagram.
Accompanying drawing 5 is bandpass filter and its amplitude limiter circuit.
Accompanying drawing 6 is filter-coupler circuit.
Embodiment
A kind of fan coil controller based on power wire broadband carrier mechanics of communication, its structure includes power subsystem, control Unit processed, processing unit, carrier communication unit, man-machine interaction unit;Wherein, the first output end and control unit of power subsystem Power input be connected, the second output end of power subsystem is connected with the power input of processing unit, the of power subsystem Three output ends are connected with the power input of carrier communication unit;First signal input/output terminal of processing unit is led to carrier wave The the first signal input/output terminal for interrogating unit is connected, the secondary signal input/output terminal of processing unit and man-machine interaction unit Signal input/output terminal is connected, and the signal output part of processing unit is connected with the signal input part of control unit.
Described power subsystem includes ACDC Power converts and its interlock circuit, and ACDC is become using isolation flyback power supply Change, ac input voltage scope is 176V-264V;DC output voltages are 12V, and output current is 250mA;ACDC it is primary with it is secondary every Ionization voltage is 2500V.
The signal input part of described control unit includes HT input ports, CL input ports, HF input ports, MF inputs Port, LF input ports, HT input ports, CL input ports, HF input ports, MF input ports, LF input ports respectively with HT output ports, CL output ports, HF output ports, MF output ports, LF output ports on processing unit signal output part Correspondence connects;The HT input ports, CL input ports, HF input ports, MF input ports, LF input ports are distributed in control In 5 control relays in unit, the folding of 5 control relays is controlled in real time by processing unit, 5 control relays The output state that device is controlled includes freezing, heat, high speed winds, middling speed wind and low velocity wind etc., is embodied in central air conditioner fan disk The output state of tube controller mainly includes freezing, heat, high speed winds, middling speed wind and low velocity wind etc..
Also include peripheral circuit in described control unit.
Described processing unit includes main MCU and its peripheral circuit, as shown in Figures 2 and 3, the signal output of processing unit The signal input with control unit is held to be connected;First signal input/output terminal of processing unit and the signal of carrier communication unit Input/output terminal is connected;The environmental variances such as the main collecting temperature of processing unit, by carrier communication unit be sent to concentrator and Main software, main software and concentrator can set corresponding control parameter, then issue control command by carrier communication unit To processing unit, processing unit is finally controlled to control unit again, so as to realize the refrigeration to central air-conditioning, heat and wind The control functions such as speed.
Described man-machine interaction unit includes the man-machine interactive components, liquid crystal display panel side such as liquid crystal display panel, button Just the parameter such as user's real time inspection temperature, wind speed and pattern, button ensure that user also can carry out one to liquid crystal display panel The relatively low parameter setting of a little priority ratios.
Described carrier communication unit includes modem section, storage part, receiving portion, transmitting portion and filtering coupling Close circuit;Wherein, the first signal input/output terminal of modem section and the first signal input/output terminal of processing unit It is connected, the secondary signal input/output terminal of modem section is connected with storing the signal input/output terminal of part, modulatedemodulate The signal output part of part is adjusted to be connected with the signal input part of receiving portion, the signal input part and sending part of modem section The signal output part divided is connected;The signal output part of receiving portion is connected with the signal input part of filter-coupler circuit;Filter coupling The signal output part for closing circuit is connected with the signal input part of transmitting portion;The power line interface and low tension of filter-coupler circuit The line of force is connected.
First signal input/output terminal of the modem section includes RXD output ports, TXD input ports, RST Input port, EVENT input ports;Wherein RXD output ports and RXD in processing unit the first signal input/output terminal is defeated Inbound port is connected, and TXD input ports are connected with the TXD output ports in processing unit the first signal input/output terminal, and RST is defeated Inbound port is connected with the RST output ports in processing unit the first signal input/output terminal, and EVENT input ports are single with processing EVENT output ports in first first signal input/output terminal are connected.
The modem section frequency bandwidth is 2M-12MHZ, using the DMT modulation systems based on OFDM, different from passing The OFDM modulation systems of system, the signal to noise ratio of all subchannels is instantaneously calculated using adaptive carrier algorithm, according to its result dynamic Add and load for each channel, while flashy noise is distributed and voluntarily study power network interference budgetary estimate, effectively rule under prediction Interference is kept away, optimizes carrier-quality, and fundamentally reduce the power consumption of bandwidth carrier chip.
The storage part point includes storage chip and its peripheral circuit, is mainly used to storage system software and partial data.
The transmitting portion includes circuit driving amplifier and its peripheral circuit is constituted, and is put using the driving of THS6214 circuits Big device.
The receiving portion includes bandpass filter and amplitude limiter circuit, and bandpass filter only allows useful bandwidth carrier to believe Number pass through, amplitude limiter circuit filtering external overvoltage signal prevents external disturbance from causing to damage to modem module.
The bandpass filter and its amplitude limiter circuit are as shown in figure 5, bandwidth carrier receiving circuit is by the difference of outside input Signal, by bandpass filter, the AFE(analog front end) for being input to MCU is modulated demodulation;The input pin of chip adds double guarantors Protect diode circuit D10 diodes and D14 diodes, C1 electric capacity, C2 electric capacity and chip internal composition high-pass filter;Broadband is carried Ripple receiving circuit is 2M-12M bandpass filter, wherein being 5 rank 2M high-pass filter, 3 rank 12M low pass filter.
The filter-coupler circuit includes filter circuit, termination power, signal transformer, high-pass filter, protection circuit And power line interface, filter-coupler circuit is as shown in fig. 6, filter-coupler circuit is used for low-voltage power line and transmitting portion and reception Signal transmission between part, power line interface, which is received, passes sequentially through protection circuit, high-pass filter, signal transformation after signal Device, protection circuit filtering external overvoltage signal.The filter-coupler circuit of compares figure 6, C11 electric capacity is Y1,4.7nF safety electricity Hold, form high-pass filter, high-pass filter is to the barriers of low-voltage power line 50Hz signals and allows broadband carrier signal double To passing through;TVS pipe D1 is protected, to the high impulse interference on suppression circuit line;T1 signal transformers, the curve of frequency response exists 0.5MHZ to 12MHZ frequency band attenuation is less than 1dB, T1 signal transformer transmitting portion interfaces and receiving portion interface and signal Transformer, which is connected, carries out the transmitting-receiving of signal and data.
A kind of fan coil controller based on power wire broadband carrier mechanics of communication is communicated by power wire broadband carrier Technology so that controller of central air-conditioning fan coil realizes remote control function, and power wire broadband carrier communication can be in electricity High-speed transfer data signal in the line of force, is easy to collection signal data and process signal data;Power wire broadband carrier communication has Multilevel relay function, can greatly improve the communication distance of carrier wave, really realize remote control, in a word, by one kind based on electricity The fan coil controller of power line bandwidth carrier mechanics of communication realizes effect of energy-saving and emission-reduction.

Claims (6)

1. for the carrier communication unit of fan coil controller, it is characterized in that including modem section, storage part, receiving Partly, transmitting portion and filter-coupler circuit;It is characterized in that the first signal input/output terminal of described modem section with First signal input/output terminal of processing unit is connected, secondary signal input/output terminal and the storage part of modem section Signal input/output terminal be connected, the signal output part of modem section is connected with the signal input part of receiving portion, modulate The signal input part of demodulation part is connected with the signal output part of transmitting portion;The signal output part and filter-coupler of receiving portion The signal input part of circuit is connected;The signal output part of filter-coupler part is connected with the signal input part of transmitting portion;Filtering The power line interface of termination power is connected with low-voltage power line.
2. the carrier communication unit according to claim 1 for fan coil controller, it is characterized in that the modulatedemodulate Adjusting the first signal input/output terminal of part includes RXD output ports, TXD input ports, RST input ports, EVENT inputs Port;Wherein RXD output ports are connected with the RXD input ports in processing unit the first signal input/output terminal, TXD inputs Port is connected with the TXD output ports in processing unit the first signal input/output terminal, RST input ports and processing unit the RST output ports in one signal input/output terminal are connected, EVENT input ports and processing unit the first signal input/output EVENT output ports in end are connected.
3. the carrier communication unit according to claim 1 for fan coil controller, it is characterized in that the acceptance division Dividing includes bandpass filter and amplitude limiter circuit, and bandpass filter only allows useful broadband carrier signal to pass through, amplitude limiter circuit mistake The outside over-pressed signal of filter, prevents external disturbance from causing to damage to modem module.
4. the carrier communication unit according to claim 1 for fan coil controller, it is characterized in that described filtering Termination power includes filter circuit, termination power, signal transformer, high-pass filter, protection circuit and power line interface;Filtering The signal transmission that termination power is used between low-voltage power line and transmitting portion and receiving portion, power line interface receives signal After pass sequentially through protection circuit, high-pass filter, signal transformer, protection circuit filtering external overvoltage signal, high-pass filter Low-voltage power line 50Hz signals are obstructed and broadband carrier signal is passed through with two-way, transmitting portion interface is tapped with acceptance division Mouth is connected with signal transformer carries out the transmitting-receiving of signal and data.
5. the carrier communication unit according to claim 3 for fan coil controller, it is characterized in that described band logical Bandwidth carrier receiving circuit in wave filter and its amplitude limiter circuit is defeated by bandpass filter by the differential signal of outside input The AFE(analog front end) entered to MCU is modulated demodulation;The input pin of chip adds double protection diode circuits, double poles of protection two D10 diodes and D14 diodes in pipe circuit, C1 electric capacity, C2 electric capacity and chip internal composition high-pass filter;Bandwidth carrier Receiving circuit is 2M-12M bandpass filter, wherein being 5 rank 2M high-pass filter, 3 rank 12M low pass filter.
6. the carrier communication unit according to claim 4 for fan coil controller, it is characterized in that described filtering The signal transmission that termination power is used between low-voltage power line and transmitting portion and receiving portion, power line interface receives signal After pass sequentially through protection circuit, high-pass filter, signal transformer, protection circuit filtering external overvoltage signal;Filter-coupler electricity C11 electric capacity in road is Y1, and 4.7nF safety electric capacity forms high-pass filter, and high-pass filter is believed low-voltage power line 50Hz Number barrier and make broadband carrier signal is two-way to pass through;D1 protection TVS pipes in protection circuit, to the height on suppression circuit line Impulse disturbances;T1 signal transformers in signal transformer, the frequency band attenuation of the curve of frequency response in 0.5MHZ to 12MHZ Less than 1dB, T1 signal transformer transmitting portion interfaces are connected with receiving portion interface with signal transformer carries out signal and data Transmitting-receiving.
CN201621421987.5U 2016-12-23 2016-12-23 Carrier communication unit for fan coil controller Active CN206410281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621421987.5U CN206410281U (en) 2016-12-23 2016-12-23 Carrier communication unit for fan coil controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621421987.5U CN206410281U (en) 2016-12-23 2016-12-23 Carrier communication unit for fan coil controller

Publications (1)

Publication Number Publication Date
CN206410281U true CN206410281U (en) 2017-08-15

Family

ID=59551484

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621421987.5U Active CN206410281U (en) 2016-12-23 2016-12-23 Carrier communication unit for fan coil controller

Country Status (1)

Country Link
CN (1) CN206410281U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426326A (en) * 2018-05-14 2018-08-21 北方工业大学 Communication circuit of thing networking photocatalyst air purification device
CN112751574A (en) * 2019-10-31 2021-05-04 上海汽车集团股份有限公司 Differential signal communication isolation circuit and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426326A (en) * 2018-05-14 2018-08-21 北方工业大学 Communication circuit of thing networking photocatalyst air purification device
CN112751574A (en) * 2019-10-31 2021-05-04 上海汽车集团股份有限公司 Differential signal communication isolation circuit and system

Similar Documents

Publication Publication Date Title
CN106440052B (en) Air conditioner and control method thereof
CN206410281U (en) Carrier communication unit for fan coil controller
CN201374695Y (en) Embedded low-voltage power line carrier communication module
CN201063934Y (en) Power line communication based road lamp electricity-saving control system
CN101826893B (en) Intelligent ammeter for carrier communication by utilizing power line and working method thereof
CN205265685U (en) Power line carrier communication device
CN104270293A (en) Smart home system based on power line carriers
CN206073362U (en) A kind of communicator of air conditioner indoor and outdoor machine
CN102118184A (en) Device and method for power line carrier communication
CN106642575A (en) Draught fan coil pipe controller based on power line broadband carrier wave communication technology
CN106301470A (en) A kind of power wire broadband carrier communication module
CN203275994U (en) Energy-saving control system based on power carrier wave and ZIGBEE network technologies
CN103118075B (en) Collection server achieving multi-way transmission of collected data
CN104464252A (en) Intelligent electricity meter using power line as communication signal carrier and working method thereof
CN206145811U (en) Air conditioner
CN103812527A (en) High bandwidth signal transmission device based on direct current carrier waves
CN204465565U (en) A kind of network and electric power integrated feeding mechanism
CN109921828B (en) Inspection system based on narrowband low-voltage power line carrier communication
CN207518606U (en) Appliance control system based on efficient modulation demodulation power-line carrier communication
CN203482198U (en) Dual-channel power line carrier communication module circuit
CN207490958U (en) Broadband power line and CAN bus converter
CN201429900Y (en) Frequency-changing air conditioner communication circuit
CN209120176U (en) Track-circuit signalling cable transmits the device and equipment of non-track-circuit signalling with cable
CN207677721U (en) A kind of power wire broadband carrier communication anti-jamming circuit
CN206364801U (en) Electric power low-pressure circuit network communicator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant