CN201589375U - Fresh air switch controller based on HBS communication protocol - Google Patents
Fresh air switch controller based on HBS communication protocol Download PDFInfo
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- CN201589375U CN201589375U CN2009202640100U CN200920264010U CN201589375U CN 201589375 U CN201589375 U CN 201589375U CN 2009202640100 U CN2009202640100 U CN 2009202640100U CN 200920264010 U CN200920264010 U CN 200920264010U CN 201589375 U CN201589375 U CN 201589375U
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Abstract
The utility model discloses a fresh air switch controller based on the HBS communication protocol. The fresh air switch controller consists of a main controller and a sub-controller, wherein the main controller is mainly used for controlling the execution output; the sub-controller is mainly used for inputting control information; the main controller comprises a main power module, a temperature detection module, an output driving circuit and a main microcomputer MCU, and all the functional modules are respectively connected with the corresponding port of the main microcomputer MCU; the sub-controller comprises a key detection circuit, a sub-microcomputer MCU, a liquid crystal display circuit and a sub-power module, and all the functional modules are respectively connected with the corresponding port of the sub-microcomputer MCU. The fresh air switch controller is characterized in that the corresponding communication ports on the main microcomputer MCU and the sub-microcomputer MCU are respectively connected with a bus communication circuit based on the HBS communication protocol; and DC carrier information transmission can be carried out between the two bus communication circuits by an HBS bus. The fresh air switch controller adopts a special HBS chip for bearing data and a control signal and can realize that the switching value and the simple analogue value of a fresh air switch are controlled by the HBS protocol.
Description
Technical field
The utility model relates to a kind of new wind exchange control unit, particularly a kind of new wind exchange control unit based on the HBS communications protocol.
Background technology
New wind switch is mainly used in new wind exchange, send into outdoor fresh air, discharge indoor dirty erosion air, the active carbon that contains in the machine, can effectively remove pernicious gases such as sulfur dioxide, carbon monoxide, ammonia, formaldehyde, carbon dioxide, and by anionic sterilization, kill harmful organisms such as virus in the deacration, bacterium, acarid.New wind switch has the branch of family expenses and commercialization, and dividing again by its mounting means has wall-hanging, ceiling type etc.And the control section of new wind switch mainly contains mechanical type and computermatic these two kinds.Computermatic controller commonly used mainly is made up of power module, temperature detecting module, human-machine interface module and CPU module etc.
(Home Bus System HBS) is the notion of being united proposition by Japanese enterprises Hitachi, Mitsubishi, Panasonic, Toshiba etc. to home bus system, is formulated by NEC's industrial combination meeting/HBS standard committee of radio frequency engineering Institution of Electronics.HBS is a communication media with twisted-pair feeder or coaxial cable, and household electrical appliance are interconnected through the HBS bus, forms a complete home network.Agreement is mainly used in the control of electric switch amount and simple analog amount, adopts dedicated bus, have anti-interference strong, advantages such as security height.
The utility model content
The purpose of this utility model provides the new wind exchange control unit that a kind of HBS of employing agreement is controlled the switching value and the simple analog amount of new wind switch.
The utility model purpose can realize by following technical measures: a kind of new wind exchange control unit based on the HBS communications protocol, form with the sub-controller that is mainly used in input control information by the master controller that is mainly used in control execution output, wherein master controller comprises main power source module, temperature detecting module, main micro computer MCU, output driving circuit, and above-mentioned each composition function module is connected with the corresponding port of main micro computer MCU respectively; Sub-controller comprises key press detecting circuit, divides micro computer MCU, liquid crystal display circuit, independent power source module, and above-mentioned each composition function module is connected with minute corresponding port of micro computer MCU respectively; It is characterized in that the corresponding PORT COM on main micro computer MCU and the branch micro computer MCU is connected with the bus communication circuit based on the HBS communications protocol respectively, carry out the information transmission of direct current carrier wave between the double bus communicating circuit through the HBS bus.
The utility model also comprises the bus communication power-supply circuit, and one tunnel output is as the ground wire of bus power source direct current carrier wave, and another road output is as direct current carrier wave bus power source.
Sub-controller described in the utility model also comprises as dividing micro computer MCU the indicator light circuit of duty, is connected to the relevant information indication output end mouth of micro computer MCU.
Main controller described in the utility model also comprises the indicator light circuit as the communication state indication, is connected to the relevant communication information indication output end mouth of micro computer MCU.
The utility model carries data and control signal by special-purpose HBS chip, can realize that the HBS agreement controls the switching value and the simple analog amount of new wind switch.
Description of drawings
Fig. 1 is a sub-controller theory diagram of the present utility model;
Fig. 2 is a main controller theory diagram of the present utility model;
Fig. 3 is sub-controller circuit theory diagrams of the present utility model;
Fig. 4 is main controller circuit theory diagrams of the present utility model;
Fig. 5 is a sub-controller main program flow block diagram of the present utility model;
Fig. 6 is a main controller main program flow block diagram of the present utility model.
The specific embodiment
A kind of new wind exchange control unit of the utility model based on the HBS communications protocol, comprise be used for bus-powered, drive concrete object as the effector's of system main controller be used for the control instruction input, show the sub-controller of control instruction execution result, described main controller is connected with two cables by combination hub with sub-controller.
Above-mentioned main controller comprises: power module, temperature detecting module, main micro computer MCU, indicator light circuit, bus communication circuit, bus communication power-supply circuit, load output circuit, above-mentioned each functional circuit module is connected with the corresponding function pin of micro computer MCU.Power module is realized by switching power circuit; Described temperature detecting module comprises temperature sampling circuit; Main micro computer MCU also has its peripheral crystal oscillator clock circuit and reset circuit.
Sub-controller comprises: power module, key press detecting circuit, branch micro computer MCU, indicator light circuit, liquid crystal display circuit.Above-mentioned each functional circuit module is connected with the corresponding function pin of micro computer MCU.Described power module is realized by power-supply circuit; The institute; Described micro computer MCU also has its peripheral crystal oscillator clock circuit and reset circuit.
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, be sub-controller theory diagram of the present utility model, sub-controller is the input channel of information, is used for the control instruction input.Control instruction is sent through sub-controller by user or sensor, and the execution result of control instruction also shows on sub-controller.Sub-controller comprises micro computer MCU and peripheral crystal oscillator clock circuit thereof and reset circuit, key press detecting circuit, liquid crystal display circuit, indicator light circuit, power-supply circuit, the bus communication circuit is formed, and above-mentioned each functional circuit is gone up the function corresponding pin with micro computer MCU and is connected.
As shown in Figure 2, be main controller theory diagram of the present utility model, main controller is the effector of system, except responsible bus-powered, also is responsible for actuator function, is responsible for driving concrete object.Main controller includes: micro computer MCU and peripheral crystal oscillator clock circuit thereof and reset circuit, switching power circuit, indicator light circuit, bus communication circuit, bus power source supply circuit, temperature sampling circuit and output driving circuit, specifically output driving circuit comprises air throttle drive circuit, anion generator drive circuit, high and low wind speed drive circuit etc. in product is installed.The corresponding function pin of above-mentioned each functional circuit and micro computer MCU joins.
The serial port pin of micro computer MCU connects the bus communication circuit, and micro computer MCU is sent to the bus communication circuit by serial ports with data, and the direct current carrier wave that the control signal of micro computer MCU output can be appended to the HBS bus by the bus communication circuit transmits.Same micro computer MCU also can receive the control signal of being sent by main controller by the bus communication circuit via serial ports.
Described sub-controller, its circuit of main controller realize on a wiring board that respectively the sub-controller circuit is embodied as control panel, and the main controller circuit is embodied as master control borad, and both are connected corresponding interface by combination hub with communication cable.Control panel mainly is responsible for user interface such as button, demonstration, and the collection capacity of control logic and input is handled.Control panel mainly is responsible for gathering as the monitoring variable of temperature and the supply of output driving control and bus power source.
As shown in Figure 3, be sub-controller circuit theory diagrams of the present utility model, mainly comprise:
Bus communication circuit (1), mainly by resistance R 202-R207, R210, Zener diode ZD201-ZD204, inductance L 202, L203, capacitor C 205-C209, C211 and communication chip IC2 form, and the 16th pin of described IC2, the 15th pin insert HBS bus P1, P2 place after connecting with capacitor C 205, C206 by described resistance R 202, R203 respectively; The 9th pin of described IC2, the 10th pin insert HBS bus P1, P2 place after meeting described capacitor C 209, C208 by described inductance L 203, L202 respectively; The 12nd pin of described IC2, the 14th pin connect the negative electrode of described Zener diode ZD203, ZD201 respectively, the anode of described Zener diode ZD203, ZD201 is connected with the anode of described Zener diode ZD204, ZD202, the minus earth of described Zener diode ZD204, ZD202; Described resistance R 204 is connected between the 9th, 14 pin of described IC2; Described resistance R 206 is connected between the 10th, 12 pin of described IC2; Described resistance R 205 1 is terminated between L202 and the C208, and the other end is connected between L203 and the C209; Described communication chip IC2 selects MM1192 for use.
The 1st pin of described IC2, the 5th pin links to each other with the corresponding function pin of micro computer MCU with the 6th pin.。This circuit extracts control information from HBS bus P1, the P2 of the information of carrying, and changes into the cmos voltage signal outputs to micro computer MCU via the 1st pin of IC2 the 43rd pin by level.The signal of the 44th pin of micro computer MCU output is input to the bus communication circuit via the 6th pin of IC2, the cmos voltage signal is converted to the bus voltage signal that is applicable to bus transfer.The 15th, 16 pin of described IC2 are connected to HBS bus P1, P2 by resistance-capacitance circuit, accept the HBS bus message, 9,10 pin of described IC2 are connected to the HBS bus through the LC series circuit, and the bus voltage signal that is applicable to bus transfer is transferred to HBS bus P1, P2.
Power-supply circuit (2) mainly is made up of power transformation sense L201, diode D201-D204, capacitor C 201-C204, resistance R 201, voltage-stabiliser tube IC201, is connected to the HBS bus.3 of described transformer L201,4 pin meet HBS bus P1 respectively, P2, described inductance L 201 is kept apart the control signal with the system bus power supply of control signal, keep apart the interference of power circuit to control signal on the bus, and extract its 12V direct current carrier wave part, by the full-wave rectifying circuit formed by described diode D201-D204 with by described capacitor C 201, the filter circuit that C202 ground connection in parallel is formed inserts described voltage-stabiliser tube IC201, the described capacitor C 203 of the output termination of described IC201 through described resistance R 201 again, converting the 12V direct current to the 5V DC voltage behind the filter circuit that C204 ground connection in parallel is formed uses for micro computer MCU.
Reset circuit (3), mainly form by resistance R 208, capacitor C 212-C214, the 5V power supply is connected to the 12nd pin of micro computer MCU by described resistance R 208, the 12nd pin of micro computer MCU connects the 5th, 15 pin of micro computer MCU by described capacitor C 213 ground connection behind the filter circuit of 5V power supply by described capacitor C 212, C214 ground connection composition in parallel.
Indicator light circuit (4), mainly form by resistance R 209 and light emitting diode HIP, the 5V power supply is connected in series to the 1st pin of micro computer MCU by described resistance R 209 and described light emitting diode HIP, with the duty of the duty display power supply of described light emitting diode HIP, as the power supply indication.
Key press detecting circuit (5) mainly is made up of button S201-S209, be connected to micro computer MCU the 13rd, 14, the 16-22 pin.
Liquid crystal display circuit (6) mainly is made up of liquid crystal display LCD, is connected to the 23-41 pin of micro computer MCU.
Crystal oscillator clock circuit (7), mainly by crystal oscillator XT201, XT202 and capacitor C 215-C218 form master clock circuit and secondary clock circuit, are connected to the 7th, 8,10,11 pin of micro computer MCU.
Micro computer MCU (8).
As shown in Figure 4, be main controller circuit theory diagrams of the present utility model, mainly comprise:
Switching power circuit (9), mainly by protective tube FUSE, piezo-resistance ZR101, capacitor C 1, EC101, EC102, E103-E106, C101-C107, resistance R 151-R163, diode D101-D104, D111, D121, D122, switching power source chip IC101, IC102 is isolated in the light sensation coupling, switch transformer T2, voltage-stabiliser tube IC103, chip IC 105 is formed, and 12V and 5V working power are provided.
Reset circuit (10) mainly is made up of resistance R 122, capacitor C 108, C109, EC107, and the 5V power supply is connected to the 12nd pin of micro computer MCU by described resistance R 122, and the 12nd pin of micro computer MCU is by described capacitor C 109 ground connection; The 5th, 15 pin that connect micro computer MCU behind the filter power supply of 5V power supply by described capacitor C 109, EC10 ground connection composition in parallel.
Indicator light circuit (11) mainly is made up of resistance R 123 and LED A, is connected to the 1st pin of micro computer MCU behind the circuit that the 5V power supply is composed in series by described resistance R 123 and LED A, as the communication state indication.
Micro computer MCU (12).
Crystal oscillator clock circuit (13), mainly by crystal oscillator XT1 and capacitor C 119, C120 forms master clock circuit, is connected to the 7th pin of micro computer MCU, the 8th pin.
Bus communication circuit (14), mainly by resistance R 102-R107, R124, Zener diode ZD101-ZD104, inductance L 101, L102, capacitor C 114, C115, C110, C111, C131, C132, communication chip IC104 forms.Described component connects with the circuit structure identical with bus communication circuit (1) in the sub-controller, and described communication chip IC104 selects MM1192 for use.The 1st, 5,6 pin of described IC104 link to each other with the corresponding function pin of micro computer MCU.This circuit extracts control information from the HBS bus Pa and the Pb of the information of carrying, and change into the cmos voltage signal outputs to micro computer MCU via the 1st pin of IC104 the 43rd pin by level, the signal of the 44th pin of micro computer MCU output is input to the bus communication circuit via the 6th pin of IC104, the cmos voltage signal is converted to the bus voltage signal that is applicable to bus transfer.The 15th, 16 pin of described IC104 are connected to HBS bus Pa, Pb by resistance-capacitance circuit, accept the HBS bus message, 9,10 pin of described IC2 are connected to the HBS bus through the LC series circuit, and the bus voltage signal that is applicable to bus transfer is transferred to HBS bus Pa, Pb.
Bus communication power-supply circuit (15), mainly by diode D105, triode Q102, resistance R 112, R113, R115, transformer L103, wave filter L104 and socket X8A form.Connect the anode of described diode D105 by the 12V of switching power circuit output, the negative electrode of described D105 links to each other with an end of described resistance R 112 and described capacitor C 113, the 1st pin of described transformer L103; The other end of described resistance R 112 and C113 links to each other with an end of described resistance R 113, and the other end of described resistance R 113 is connected with the colelctor electrode of described triode Q102, and the colelctor electrode of described triode Q102 connects the 3rd pin of described transformer L103; By described switching power circuit (9) output+the 5V power supply connects the base stage of described triode Q102 by described resistance R 115; The emitter utmost point ground connection of described triode Q102.The 2nd pin of described transformer L103, the 3rd pin of described wave filter L104 insert HBS bus Pa; The 5th pin of described transformer L103, the 2nd pin of described wave filter L104 insert HBS bus Pb; The 1st, 4 pin of described wave filter L104 connect the 3rd, 1 pin of described socket X8A respectively; Described X8A is the interface between main controller and the sub-controller.
Bus power source of the present utility model is the 12V direct current, drives triode Q102 by resistance R 115, makes its saturation conduction by+5V voltage, conduction voltage drop is about 0.3V, be used as the ground wire of bus power source direct current carrier wave, directly do not adopt power supply ground, avoid the interference of communication power supply ground.+ 12V power supply again by described transformer L103, is used as the positive supply of bus power source direct current carrier wave by diode, when avoiding the relay adhesive to the influence of bus power source, thereby guarantee that communication quality is interference-free.
Temperature sampling circuit (16), mainly by resistance R 121, R100, diode D106, D107, capacitor C 112 and socket X1A form.The 5V power supply inserts the 1st pin of described socket X1A; Described diode D106, resistance R 100, capacitor C 112 parallel connections, back in parallel described diode D106 plus earth, negative electrode connects the anode of described diode D107, inserts the 2nd pin of described socket X1A simultaneously; The negative electrode of described diode D107 connects the 5V power supply; The 2nd pin of described socket X1A links to each other with the 22nd pin of micro computer MCU by described resistance R 121.
Load output driving circuit (17), mainly by driving chip IC 107, relay HT1-HT3, socket X5A, X2A, X1A, X3A form, the 1-7 pin of described driving chip IC 107 links to each other with the 31-37 pin of micro computer MCU, the 8th pin of IC107 meets GND, the 9th pin meets 12V, and the 10th pin is succeeded electrical equipment HT3, is used to control anion generator, the 11st pin is succeeded electrical equipment HT2, be used to control the high wind speed motor, the 12nd pin is succeeded electrical equipment HT1, is used to control low wind speed motor, 13-16 pin combination hub X2A is used to control air throttle; Described driving chip IC 107 can adopt ULN2003.As shown in Figure 5, be sub-controller primary control program FB(flow block) of the present utility model, the software control flow process of described sub-controller is: micro computer MCU will enter electrification reset after sub-controller is connected power supply, and each register of initialization and variable enter main program then.Pressing key processing module in the main program, mainly is to have judged whether that button presses, if button operation is arranged, then sets duty according to corresponding keypress function, handles next functional module again.If there is not button operation, directly handle next functional module.Serial ports sends data processing module, and the current state agreement by appointment of sub-controller is carried out communication, is sent to main controller.Serial ports receives data processing module, receives the information of handling the main controller passback, and upgrades current switch mode.Showing processing module, mainly is to show current state according to current state flag bit.
As shown in Figure 6, be main controller primary control program FB(flow block) of the present utility model, the software control flow process of described main controller is: micro computer MCU will enter electrification reset after main controller is connected power supply, and each register of initialization and variable enter main program then.Temperature sampling processing module in the main program, main by the voltage sample of micro computer MCU to temperature sensor, judge current outdoor temperature according to the AD value that sampling obtains, if more than room temperature 0 degree, then new wind switch works in switch mode, when temperature is between 0 degree and-7 degree, then enter defrosting mode, temperature is in below 17 degree, then enters ventilatory pattern, if detect to sensor fault, then enter malfunction.Serial ports sends data processing module, and the work at present pattern agreement by appointment of main controller is carried out communication, is sent in the sub-controller.Serial ports receives data processing module, receives to handle the information that the sub-controller biography is come, and upgrades load output state table.The load output processing module mainly is to utilize current load output state table to control the driving of each output.
Claims (4)
1. new wind exchange control unit based on the HBS communications protocol, form with the sub-controller that is mainly used in input control information by the master controller that is mainly used in control execution output, wherein master controller comprises main power source module, temperature detecting module, output driving circuit, main micro computer MCU, and above-mentioned each composition function module is connected with the corresponding port of main micro computer MCU respectively; Sub-controller comprises key press detecting circuit, divides micro computer MCU, liquid crystal display circuit, independent power source module, and above-mentioned each composition function module is connected with minute corresponding port of micro computer MCU respectively; It is characterized in that the corresponding PORT COM on main micro computer MCU and the branch micro computer MCU is connected with the bus communication circuit based on the HBS communications protocol respectively, carry out the information transmission of direct current carrier wave between the double bus communicating circuit through the HBS bus.
2. a kind of new wind exchange control unit according to claim 1 based on the HBS communications protocol, it is characterized in that, also comprise the bus communication power-supply circuit, one tunnel output is as the ground wire of bus power source direct current carrier wave, and another road output is as direct current carrier wave bus power source.
3. a kind of new wind exchange control unit according to claim 1 based on the HBS communications protocol, it is characterized in that, described sub-controller also comprises as dividing micro computer MCU the indicator light circuit of duty, is connected to the relevant information indication output end mouth of micro computer MCU.
4. a kind of new wind exchange control unit based on the HBS communications protocol according to claim 1 is characterized in that, described main controller also comprises the indicator light circuit as the communication state indication, is connected to the relevant communication information indication output end mouth of micro computer MCU.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202640100U CN201589375U (en) | 2009-12-02 | 2009-12-02 | Fresh air switch controller based on HBS communication protocol |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202640100U CN201589375U (en) | 2009-12-02 | 2009-12-02 | Fresh air switch controller based on HBS communication protocol |
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| CN201589375U true CN201589375U (en) | 2010-09-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645581A (en) * | 2012-04-28 | 2012-08-22 | 江苏省电力公司南通供电公司 | Low-tension electricity metering device |
| CN103185385A (en) * | 2013-03-19 | 2013-07-03 | 深圳市奥宇控制系统有限公司 | System and method for energy-saving control of two-bus structure of central air conditioner |
| CN107659517A (en) * | 2017-06-06 | 2018-02-02 | 东莞市优力普物联科技有限公司 | PoE switch and management system based on local management |
| CN111030733A (en) * | 2019-12-06 | 2020-04-17 | 长沙天仪空间科技研究院有限公司 | Bus system for communication based on direct current power supply line |
| CN111306740A (en) * | 2020-03-27 | 2020-06-19 | 深圳市前海巨能新能源科技有限公司 | New forms of energy washing formula air purifier control system and air purifier |
-
2009
- 2009-12-02 CN CN2009202640100U patent/CN201589375U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645581A (en) * | 2012-04-28 | 2012-08-22 | 江苏省电力公司南通供电公司 | Low-tension electricity metering device |
| CN102645581B (en) * | 2012-04-28 | 2013-06-05 | 国家电网公司 | Low-tension electricity metering device |
| CN103185385A (en) * | 2013-03-19 | 2013-07-03 | 深圳市奥宇控制系统有限公司 | System and method for energy-saving control of two-bus structure of central air conditioner |
| CN103185385B (en) * | 2013-03-19 | 2016-03-09 | 深圳市奥宇节能技术股份有限公司 | A kind of central air-conditioning dual-bus structure energy-saving control system and method |
| CN107659517A (en) * | 2017-06-06 | 2018-02-02 | 东莞市优力普物联科技有限公司 | PoE switch and management system based on local management |
| CN107659517B (en) * | 2017-06-06 | 2024-05-07 | 广东优力普物联科技有限公司 | PoE switch and management system based on local management |
| CN111030733A (en) * | 2019-12-06 | 2020-04-17 | 长沙天仪空间科技研究院有限公司 | Bus system for communication based on direct current power supply line |
| CN111306740A (en) * | 2020-03-27 | 2020-06-19 | 深圳市前海巨能新能源科技有限公司 | New forms of energy washing formula air purifier control system and air purifier |
| CN111306740B (en) * | 2020-03-27 | 2020-11-27 | 深圳市前海巨能新能源科技有限公司 | New forms of energy washing formula air purifier control system and air purifier |
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Granted publication date: 20100922 |