CN201003959Y - Temperature controllable central air conditioner billing instrument based on BUS - Google Patents
Temperature controllable central air conditioner billing instrument based on BUS Download PDFInfo
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- CN201003959Y CN201003959Y CNU2006201349311U CN200620134931U CN201003959Y CN 201003959 Y CN201003959 Y CN 201003959Y CN U2006201349311 U CNU2006201349311 U CN U2006201349311U CN 200620134931 U CN200620134931 U CN 200620134931U CN 201003959 Y CN201003959 Y CN 201003959Y
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Abstract
The utility model relates to a temperature control type central air conditioner fare register based on BUS, comprising a processor module. The data interface and the control interface of a watch storing module are respectively connected with the related I/O interfaces of the processor CPU; the output signal of a draught fan pipe coil gear and a valve detecting module is connected into the related I/O inputting interface of the processor CPU; the draught fan pipe coil gear and a valve control signal is connected to the related I/O outputting interface of the processor CPU; the operation and the display of the temperature control is realized through displaying and controlling the communicating interface and the operation panel; the serial communication interface in the communication power supply module of the BUS is connected with the corresponding interface of the processor module CPU and the data interface is connected with the outer bus without polarity through a prepositive bridge; two common leads simultaneously realize the functions of fare register working power supply and communication, greatly improving limit that the power supply and communication of the 485 bus are connected by two pairs of wires with polarity.
Description
One, technical field: the utility model relates to a kind of central air conditioner taximeter, particularly relates to a kind of temperature control type central air conditioner taximeter based on the BUS bus.
Two, background technology: there is a large amount of energy dissipation phenomenons in actual use in central air conditioner, and according to the relevent statistics, Central Air Conditioner Used in Buildings operation power consumption accounts for about 65% of the total power consumption of building.This wherein no doubt has, and user's awareness of saving energy is thin, charge factors such as system is unreasonable cause, but main cause still is the backwardness of design, construction and equipment operation management standard of air-conditioning system.Enhancing along with social development of science and technology and people's environmental protection, awareness of saving energy, science, the central air conditioner end-equipment comes into operation efficiently, needs for social sustainable development, convenient centralized management, energy savings, with the fan coil intelligent temperature control technology of central air conditioner, cold and hot amount measurement technology, computer network and mechanics of communication coordinated development, realize as required, charge according to quantity, overcome the drawback of the meterage existence of traditional air-conditioning system, be very important for energy savings, enhancing environmental consciousness.
China utility model patent ZL 200520014407.6 (notification number CN2826261Y) have proposed a kind of Intelligent Teminal Temperature Control Device and Integrated Networking ﹠ Accounting Device for Central Air-Conditioner.The utility model comprises indoor thermostat, electric two-way valve, digital temperature sensor and fan coil connection terminal, also comprise collection control box, remote data collecting unit RTU6, RS-232 converter and personal computer to RS-485/422, all RTU6 all and be connected on RS-485 bus or the CAN bus, be connected to converter, all data messages are sent to personal computer by bus mode.China utility model patent ZL 200420090324.0 (notification number CN2745035Y) disclosed a kind of " cost allocation device of office buildings central air conditioner fan coil ", mainly comprise a fan coil message accounting and a district management machine, the fan coil message accounting comprises a microprocessor, communication module, data acquisition module, output control module, data presentation human-machine operation module and power module, the fan coil message accounting sends to data on the district management machine by communication module and AB line; The P2 mouth of fan coil message accounting drives charactron for showing and the output control interface by the 74LS07 signal, latchs the output of rear drive controllable silicon by 74LS374; The PO EI of device is the signals collecting single port, and the output terminal of temperature sensor and humidity sensor is connected with many switches, and the output of multi-way switch is connected to P
0.1, P
0.2Its advantage is multiple functional, unites two into one with controller of fan, and cost of investment is lower, the cost performance height.
And the problem of at present such bus communication mode taximeter existence is: connection and power lead must be finished by four leads, are connected by polarity by industrial siding, operate, use inconvenience, and increase mounting process and cable wiring manufacture cost.
Three, utility model content:
The purpose of this utility model: at background technology prior art deficiency, a kind of temperature control type central air conditioner taximeter based on the BUS bus is proposed, the bus of utilizing the BUS bussing technique to realize that power supply and communication are made up of two common wirings is finished, realize taximeter power supply and communication function simultaneously, and nonpolarity connection.Improved the power supply and the communication of 485 buses greatly and carried out the restriction that polarity connects by two pairs of electric wires.
The technical scheme that the utility model adopted is:
A kind of temperature control type central air conditioner taximeter based on the BUS bus, contain processor module, storage module during prison, fan coil gear control/detection module, valve position control/detection module, data storage/the fetch interface of storage module during prison, the synchronous clock interface is the corresponding I/O interface of connection processing device module CPU respectively, the reseting interface of storage module and processor module CPU is corresponding during prison is connected, the output signal of fan coil gear and valve position detection module inserts the corresponding I/O input interface of processor module CPU respectively, fan coil gear and valve position control signal be the corresponding I/O output interface of connection processing device module CPU respectively, be connected with BUS bus communication power module with processor module CPU, BUS bus communication power module provides the taximeter working power on the one hand, the serial communication interface of its serial communication interface and processor module CPU is corresponding simultaneously is connected, its data-interface is connected by preposition electric bridge and external bus are nonpolarity, is realized the power supply and the communication of taximeter simultaneously by two plain conductors.
Described temperature control type central air conditioner taximeter based on the BUS bus, also contain demonstration/operation communication interface module, demonstration/operation communication interface module is isolated the one-line communication altogether of realization simulation by the corresponding I/O interface and the optocoupler 521 of processor module CPU program setting, taximeter is realized man-machine conversation by demonstration/operation communication interface module and demonstration, the corresponding connection of guidance panel.
Described temperature control type central air conditioner taximeter based on the BUS bus, described demonstration, the guidance panel functional circuit contains processor CPU, storer during prison, temperature collect module, key-press module, the remote control receiver module, the data storage of storer during prison, fetch interface, chip selection signal interface and synchronous clock interface is the corresponding I/O interface of connection processing device CPU respectively, the reseting interface of memory and processor CPU is corresponding during prison is connected, temperature collect module adopts time base circuit, thermistor connects the sampling input end of time base circuit chip NE555, time base circuit chip NE555 varies with temperature the I/O interface of the pulse output signals connection processing device CPU of pulsewidth, key-press module contains temperature and increases, subtract button, change mode key, change the gear button, the liquid crystal shutter button, each keyswitch amount output terminal inserts the I/O interface of processor CPU program setting respectively, be connected with demonstration/operation communication interface with described processor CPU, show, guidance panel connects by the CPU of described demonstration/operation communication interface with the taximeter processor module.
Described temperature control type central air conditioner taximeter based on the BUS bus, fan coil gear, valve state detect and adopt optocoupler 521 to realize the strong and weak electricity isolation, the input end of fan coil gear, valve state detection module connects fan coil gear, valve working power end, and the output terminal of fan coil gear, valve state detection module is the I/O interface of connection processing device module CPU respectively; It is the master control device that fan coil gear, valve control module adopt controllable silicon BT136, realize the strong and weak electricity isolation by optocoupler 3021, the corresponding I/O interface of the input control end connection processing device module CPU of valve control module, its control output end is control linkage fan coil gear, valve working power supply respectively; Described valve control module or the control of employing relay, valve control optocoupler input end connection processing device module CPU, described control optocoupler output terminal control linkage relay.
Described central air conditioner taximeter based on the BUS bus, the CPU of processor module adopts the erasable cpu chip of AT89S52 dual inline type of atmel corp, perhaps selects in PIC16 series, PHILIPS89 series, the MSP family chip any one for use; BUS bus communication power module adopts integrated circuit (IC) chip CMT001 or TSS721, and BUS bus communication power module directly is connected with processor module CPU communication interface or adopts isolation module to connect.
The utility model central air conditioner taximeter, be mainly used in the effective time of indirect metering central air conditioner fan coil operation and the automatic control of indoor fan coil pipe, by " producing effect " charging principle and " time-based charging " method, the effective run time of metering fan coil utilizes W=∑ Pi*ti (to annotate: W: equivalent energy value; Pi: the calibration power of the corresponding gear of fan coil is provided by producer; Ti: " effectively " working time of fan coil respective notch, be that central air conditioner supply water temperature when refrigeration is less than T0, during heating greater than the working time of T1 in the time) formula calculates the calculating energy that this central air conditioner fan coil consumes, and always calculate the expense that " working as energy " that proportion in the energy consumes as fan coil share central air conditioner in central air conditioner system with this calculating energy, realize household metering.
Useful good effect of the present utility model:
1, the utility model passes through to adopt BUS bus communication power module based on the temperature control type central air conditioner taximeter of BUS bus, utilize the BUS bussing technique to realize taximeter power supply and communication function by two common wirings, adopt nonpolarity connection, improved the power supply of RS485 bus greatly and carried out the restriction that polarity is connected by two pairs of electric wires with communication.Simplify mounting process and wiring cost, realized the central air conditioner charging that produces effect, charge according to quantity, simple in structure, cost is low, and is easy to use.
2, the utility model central air conditioner taximeter, for system integrity and minimizing customer investment, the integrated repertoire of fan coil temperature controller, man-machine interface has guidance panel and telepilot dual mode, except that repertoire with common temperature controller, also have antifreeze, set the temperature limit and specify the operation function pattern, need not join temperature controller or three speed switch more in addition in the use, use simply, reduce improvement cost.
Four, description of drawings:
Fig. 1: based on the temperature control type central air conditioner taximeter functional-block diagram of BUS bus
Fig. 2: temperature control type central air conditioner taximeter processor module cpu circuit schematic diagram
Fig. 3: memory module circuit theory diagrams during temperature control type central air conditioner taximeter prison
Fig. 4: temperature control type central air conditioner taximeter bus communication power module principle schematic
Fig. 5: temperature control type central air conditioner taximeter fan coil gear valve detection modular circuit schematic diagram
Fig. 6: temperature control type central air conditioner taximeter fan coil gear valve control module circuit theory diagrams
Fig. 7: temperature control type central air conditioner taximeter valve control module circuit relay control mode schematic diagram
Fig. 8: temperature control type central air conditioner taximeter demonstration/operation communication interface module circuit theory diagrams
Fig. 9: described taximeter demonstration/guidance panel functional circuit processor cpu circuit schematic diagram
Figure 10: memory circuitry schematic diagram when described taximeter demonstration/guidance panel functional circuit is supervised
Figure 11: described taximeter demonstration/guidance panel functional circuit communication interface circuit theory diagrams
Figure 12: described taximeter demonstration/guidance panel functional circuit temperature detecting module circuit theory diagrams
Figure 13: described taximeter demonstration/guidance panel functional circuit key-press module circuit theory diagrams
Five, embodiment:
Embodiment one: referring to Fig. 1, present embodiment is storage module, fan coil gear control/detection module, valve control/detection module, communication/power module during by main processor modules, prison based on the temperature control type central air conditioner taximeter of BUS bus, demonstration/operation communication interface module with move composition such as indicating module.The data storage of storage module during prison, fetch interface, chip selection signal interface and synchronous clock interface is the corresponding I/O interface of connection processing device module CPU respectively, the reseting interface of storage module and processor module CPU is corresponding during prison is connected, the output signal of fan coil gear and valve position detection module inserts the corresponding I/O input interface of processor module CPU respectively, fan coil gear and valve position control signal be the corresponding I/O output interface of connection processing device module CPU respectively, one of them interface of the serial communication interface of BUS bus communication power module connects power supply, described serial communication interface is connected with the serial communication interface correspondence of processor module CPU simultaneously, the data-interface of BUS bus communication power module is connected with the nonpolarity of external bus by preposition electric bridge, realizes that simultaneously the power supply of taximeter and communication finished by two plain conductors; Demonstration/operation communication interface module is isolated the simulation communication altogether of the line system of realization by common I/O interface and the optocoupler 521 of processor module CPU, and the communication interface of demonstration/operation communication interface module connects and shows, guidance panel.
Embodiment is referring to Fig. 2～8, adopt the erasable cpu chip of AT89S52 dual inline type of atmel corp based on the temperature control type central air conditioner taximeter of BUS bus, by the definition of software, realize and the connecting and fan coil is controlled and the realization of function of measuring working time that produces effect of external module the function pin.18 pin of CPU connect the X1 end of crystal module, and 19 pin of CPU connect the X2 end of crystal module respectively; The 20th, 40 pin of CPU connect GND, the VCC end of power module respectively; C6 is a decoupling capacitance; R4, R1 are pull-up resistors; The 35th pin of CPU connects the temperature signal output terminal of infrared remote control plate, and the 12nd pin of CPU connects the infrared data output terminal of infrared remote control plate.Storage module adopts X5045 during prison, the periodic monitor DOWG end of X5045 links with the 24th pin of CPU, the SO end links with the 23rd pin of CPU, 3 pin VCC connect+and but the 5V power supply makes X5045 be in the stored data state always, and GND connects+5V power supply ground, and the SI end of X5045 links with the 22nd pin of CPU, the SCLK end links with the 21st pin of CPU, RST end links with the 9th pin of CPU, 8 pin VCC connect+the 5V power supply just, to X5045 provide+5V power supply and low-voltage detect.X5045 provides the under-voltage protection function, function during prison, reading and writing data.C12 is a decoupling capacitance among Fig. 3, and R2 is a pull-up resistor.
Referring to Fig. 4, the bus communication power module adopts integrated circuit (IC) chip CMT001, the reception RX/ of CMT001 sends TX data pin the 10th, 11 pin direct respectively and host CPU and links, the pattern that also can be designed to electrical isolation improves system's anti-interference, promptly receive RX/ transmission TX data pin and connect with RXD1, the TXD1 of isolation module respectively, the RXD2 of isolation module, TXD2 link to each other with the 10th, 11 pin of host CPU.
Referring to Fig. 5, fan coil gear, valve state detect and adopt optocoupler 521 to realize the strong and weak electricity isolation, the input end of fan coil gear, valve state detection module optocoupler 521 is connected fan coil gear, valve working power end by power current-limiting resistance R23, R29, R30, R21 with half-wave rectification diode D13, D15, D16, D11 respectively, and the output terminal of fan coil gear, valve state detection module is the I/O interface of connection processing device module CPU respectively.Among Fig. 4, R22, R24 are pull-up resistor, and D12, D14 are reverse protection diode, and C14, C15 are electric capacity of voltage regulation (because 521 control ends are half-wave civil powers of 50Hz, output terminal also is the pulse of a 50Hz, utilizes the voltage stabilizing of delaying time that discharges and recharges of low frequency electric capacity).Valve detection CHENK1 connects the 5th pin of CPU, and gear detects the 5th pin that CHECK2 meets CPU.
Referring to Fig. 6, it is the master control device that fan coil gear, valve control module adopt controllable silicon BT136, realize the strong and weak electricity isolation by optocoupler 3021, the corresponding I/O interface of the input control end connection processing device module CPU of valve control module, its control output end is control linkage fan coil gear, valve working power supply respectively. and resistance is current-limiting resistance among the figure, the valve control CONT1 of valve control module connects the 1st, 14,15 pin of CPU; High-grade control end CONT2 connects 2 pin of CPU; Middle-grade control end CONT3 connects 3 pin of CPU; Low-grade control end CONT4 connects the 4th pin of CPU.Among the figure, the 1st pin of civil power zero line AC220N termination six hole plugs, the 2nd pin of civil power live wire AC220L termination six hole plugs, the 3rd pin of valve output OUT1 termination six hole plugs, the 4th pin of high-grade output OUT2 termination six hole plugs, the 5th pin of middle-grade output OUT3 termination six hole plugs, the 6th pin of low-grade output OUT4 termination six hole plugs.
Referring to Fig. 7, described valve control module or the control of employing relay, valve control optocoupler input end connection processing device module CPU, described control optocoupler output terminal control linkage relay; Can two-wayly export, be used for three special end valve door controllers.The valve control CONT1 of valve control module connects the 1st, 14,15 pin of host CPU, civil power live wire AC220N, and valve output OUT1 is 2,3 pin of corresponding six hole plugs respectively, and valve is exported additional output port on the 2 OUT1-2 respective panels.
Referring to Fig. 8, demonstration/operation communication interface module is by optocoupler 521 and the existing communication of the common I/O cause for gossip simulation of CPU, the 7th pin that the face communication of demonstration communication module goes out DOUT end and CPU links, the face communication that shows communication module goes into to hold DINT end and the 13rd pin of host CPU to link, the COMM end is the shared communication terminals of sending and receiving, realizes communication altogether with power supply ground.Three-way communication have power supply just, power supply ground and connection.
The 27th pin operation indication LED luminotron of CPU; The 28th pin is connected news indication LED luminotron.
Generally be installed near the fan coil inspection socket that is measured based on the temperature control type central air conditioner taximeter of BUS bus, 1,2 lines of forceful electric power six hole plugs are commercial power interface, to control electricity (valveless) pattern and two kinds of modes of connection of control water (valve is arranged) pattern should be arranged, control electricity (valveless) pattern is directly controlled the blower fan gear; Control water (valve is arranged) pattern is the 3 terminals output access motorized valve by six hole plugs.3,4,5,6 terminals of forceful electric power six hole plugs and the valve of fan coil, the high, medium and low connection; 7,8 terminals of light current/communication connect the BUS bus, and are nonpolarity; Only correspondingly when demonstration/operation-interface terminal connects demonstration/guidance panel connect 10,11,12 and connect son, when connecing receiver of remote-control sytem, 9,10,11,12 terminals are corresponding to be connected.
Embodiment two: present embodiment on the basis of embodiment one, has increased demonstration/guidance panel based on the temperature control type central air conditioner taximeter of BUS bus.Display panel is the indispensable part of CFP-SK-WRX central air conditioner taximeter, possesses A/C thermostat switch and charge information and shows two big functions.The user can select the soft-touch type button, also available straighforward operation, and mode of operation is simple, the man-machine dialog interface close friend.
Referring to Fig. 9～13, described demonstration, guidance panel functional circuit contain processor CPU (Fig. 9), storer during prison (Figure 10), temperature collect module (Figure 12), key-press module (Figure 13).
Display board adopts the erasable cpu chip of AT89C4051 dual inline type of atmel corp, and by the definition of software to the function pin, realization connects to reach the control to blower fan with the temperature control type taximeter.The 1st pin of X5045 and the 2nd pin of host CPU link, the 2nd pin of X5045 and the 19th pin of host CPU link, the 3rd pin of X5045 connects+the 5V power supply, but make X5045 be in the stored data state, the 4th pin of X5045 connects+5V power supply ground always, and the 5th pin of X5045 and the 6th pin of host CPU link, the 6th pin of X5045 and the 18th pin of host CPU link, the 7th pin of X5045 and the 1st pin of host CPU link, the 8th pin of X5045 connects+the 5V power supply just, detect to X5045 power supply and low-voltage.The 4th pin of CPU connects the X2 end of crystal oscillator XTAL, and the 5th pin of CPU connects the X1 end of crystal oscillator XTAL, and the 6th pin of CPU meets the data acquisition end IRDA of integrated infrared receiving terminal J1.The power module that the working power of CPU is made up of circuit of three-terminal voltage-stabilizing integrated 7805 provides.The 12nd pin of CPU connects the LCD backlight drive end of Liquid Crystal Module, and the 14th pin of CPU connects the liquid crystal gating/CS end of Liquid Crystal Module, the liquid crystal data DAT of the 2nd pin of storage module X5045 and Liquid Crystal Module end when the 16th pin of CPU connects prison.
Temperature collect module adopts time base circuit, thermistor connects the sampling input end of time base circuit chip NE555, the I/O interface of pulse output signals the 3rd pin DQ end connection processing device CPU of time base circuit chip NE555, key-press module contains temperature and increases, subtract button, change mode key, change the gear button, the liquid crystal shutter button, each keyswitch amount output terminal inserts the I/O interface of processor CPU program setting respectively, be connected with demonstration/operation communication interface with described processor CPU, show, guidance panel connects by the CPU of described demonstration/operation communication interface with the taximeter processor module.NE555 is a core devices, by the characteristic of thermistor J5, is varied with temperature and the pulse output (temperature input DQ) of varying width, and CPU calculates temperature by the pulse width that collects; Potentiometer RT is the temperature acquisition zero-regulator resistor, with the collection of simulant signal input of R12, C3, C2 composition module.
Referring to Figure 11, reception communication interface for demonstration/guidance panel functional circuit, corresponding with communication interface module shown in Figure 8, the communication function of demonstration/guidance panel is that core realizes analog communication with the optocoupler, communication receives the DINT end and links with the 13rd of CPU, and the 17th pin of communication transmitting terminal DOUT and host CPU links, and meets connection COMM and links to each other with the signal wire of outer connection, the COMM end is the shared communication terminals of sending and receiving, realizes communication altogether with power supply ground.When sending, the 17th pin of host CPU is exported high/low level coding at DOUT and is triggered the U7 on/off, synchronously in the high/low level coding of COMM end output; During reception, the high/low level coding of COMM end triggers the U6 on/off, and the synchronous high/low level of DINT end output detects for the 13rd pin of host CPU.
The utility model has the repertoire that temperature controllers such as gear operation, operation automatically, changes in temperature mode initialization, remote control were set, divided to room temperature based on the temperature control type taximeter of BUS bus, there is remote control to receive head and two kinds of man-machine interfaces of operation display panel, under configuration operation display panel situation, can also on-the-spotly show gear, indoor temperature, changes in temperature pattern, each gear accumulative total effective run time of fan coil and the expense of last month etc. moved; Control function: two kinds of control models of hardware controls and software control are arranged, and the hardware controls pattern is the CPU module after receiving PC control (switch valve) instruction, is realized switch valve is controlled by control module; The software control pattern is the CPU module after receiving PC control (man-machine interface control) instruction, closes fan coil and motorized valve, no longer responds the operation of telepilot or display operating panel; Specify operation function: the CPU module is after receiving PC control (specifying operation) instruction, and the designated mode operation by administrative center no longer responds the operation of telepilot or display operating panel; Set warm limiting mode: set by program or communication interface, the CPU module is after receiving the instruction of setting temperature limit, the minimum indoor temperature T1 of user and the highest indoor temperature limit T2 that set come into force, when the indoor temperature of setting when telepilot or display operating panel operation oversteps the extreme limit, automatically by the ultimate temperature operation; Building anti-freezing function: the operation of control central air conditioner fan coil automatically when the temperature control type central air conditioner taximeter based on the BUS bus detects indoor temperature and is below or above the temperature value of a certain setting, for example when detecting indoor temperature and be lower than 5 °, force the start operation; When detecting indoor temperature and be higher than in 10 °, forced shutdown.
Claims (5)
1, a kind of temperature control type central air conditioner taximeter based on the BUS bus, contain processor module, storage module during prison, fan coil gear control/detection module, valve position control/detection module, data storage/the fetch interface of storage module during prison, the synchronous clock interface is the corresponding I/O interface of connection processing device module CPU respectively, the reseting interface of storage module and processor module CPU is corresponding during prison is connected, the output signal of fan coil gear and valve position detection module inserts the corresponding I/O input interface of processor module CPU respectively, fan coil gear and valve position control signal be the corresponding I/O output interface of connection processing device module CPU respectively, it is characterized in that: be connected with BUS bus communication power module with processor module CPU, BUS bus communication power module provides the taximeter working power on the one hand, the serial communication interface of its serial communication interface and processor module CPU is corresponding simultaneously is connected, its data-interface is connected by preposition electric bridge and external bus are nonpolarity, is realized the power supply and the communication of taximeter simultaneously by two plain conductors.
2, the temperature control type central air conditioner taximeter based on the BUS bus according to claim 1, it is characterized in that: also contain demonstration/operation communication interface module, demonstration/operation communication interface module is isolated the one-line communication altogether of realization simulation by the corresponding I/O interface and the optocoupler 521 of processor module CPU program setting, taximeter is realized man-machine conversation by demonstration/operation communication interface module and demonstration, the corresponding connection of guidance panel.
3, temperature control type central air conditioner taximeter based on the BUS bus according to claim 2, it is characterized in that: described demonstration, the guidance panel functional circuit contains processor CPU, storer during prison, temperature collect module, key-press module, the remote control receiver module, the data storage of storer during prison, fetch interface, chip selection signal interface and synchronous clock interface is the corresponding I/O interface of connection processing device CPU respectively, the reseting interface of memory and processor CPU is corresponding during prison is connected, temperature collect module adopts time base circuit, thermistor connects the sampling input end of time base circuit chip NE555, time base circuit chip NE555 varies with temperature the I/O interface of the pulse output signals connection processing device CPU of pulsewidth, key-press module contains temperature and increases, subtract button, change mode key, change the gear button, the liquid crystal shutter button, each keyswitch amount output terminal inserts the I/O interface of processor CPU program setting respectively, be connected with demonstration/operation communication interface with described processor CPU, show, guidance panel connects by the CPU of described demonstration/operation communication interface with the taximeter processor module.
4, according to claim 1 or 2 or 3 described temperature control type central air conditioner taximeters based on the BUS bus, it is characterized in that: fan coil gear, valve state detect and adopt optocoupler 521 to realize the strong and weak electricity isolation, the input end of fan coil gear, valve state detection module connects fan coil gear, valve working power end, and the output terminal of fan coil gear, valve state detection module is the I/O interface of connection processing device module CPU respectively; It is the master control device that fan coil gear, valve control module adopt controllable silicon BT136, realize the strong and weak electricity isolation by optocoupler 3021, the corresponding I/O interface of the input control end connection processing device module CPU of valve control module, its control output end is control linkage fan coil gear, valve working power supply respectively; Described valve control module or the control of employing relay, valve control optocoupler input end connection processing device module CPU, described control optocoupler output terminal control linkage relay.
5, according to claim 1 or 2 or 3 described temperature control type central air conditioner taximeters based on the BUS bus, it is characterized in that: the CPU of processor module adopts the erasable cpu chip of AT89S52 dual inline type of atmel corp, perhaps selects in PIC16 series, PHILIPS89 series, the MSP family chip any one for use; BUS bus communication power module adopts integrated circuit (IC) chip CMT001 or TSS721, and BUS bus communication power module directly is connected with processor module CPU communication interface or adopts isolation module to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201349311U CN201003959Y (en) | 2006-12-06 | 2006-12-06 | Temperature controllable central air conditioner billing instrument based on BUS |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201349311U CN201003959Y (en) | 2006-12-06 | 2006-12-06 | Temperature controllable central air conditioner billing instrument based on BUS |
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| CN201003959Y true CN201003959Y (en) | 2008-01-09 |
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| CNU2006201349311U Expired - Lifetime CN201003959Y (en) | 2006-12-06 | 2006-12-06 | Temperature controllable central air conditioner billing instrument based on BUS |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650462A (en) * | 2012-06-05 | 2012-08-29 | 杭州源牌环境科技有限公司 | Wireless time sampling instrument for temperature controller of fan coil |
| CN102032641B (en) * | 2009-09-30 | 2013-07-31 | 王武林 | Method for controlling central air conditioner environment-protectively |
| CN104809863A (en) * | 2015-03-30 | 2015-07-29 | 广东美的暖通设备有限公司 | RS485 based pulse ammeter communication conversion device and method |
| CN109540222A (en) * | 2019-01-03 | 2019-03-29 | 浙江求是人工环境有限公司 | A kind of temperature and humidity sensing device based on unified communication interface |
| CN109708255A (en) * | 2018-12-28 | 2019-05-03 | 郑州春泉节能股份有限公司 | Cloud temperature controller and central air-conditioning centralized control method based on the cloud temperature controller |
-
2006
- 2006-12-06 CN CNU2006201349311U patent/CN201003959Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032641B (en) * | 2009-09-30 | 2013-07-31 | 王武林 | Method for controlling central air conditioner environment-protectively |
| CN102650462A (en) * | 2012-06-05 | 2012-08-29 | 杭州源牌环境科技有限公司 | Wireless time sampling instrument for temperature controller of fan coil |
| CN104809863A (en) * | 2015-03-30 | 2015-07-29 | 广东美的暖通设备有限公司 | RS485 based pulse ammeter communication conversion device and method |
| CN109708255A (en) * | 2018-12-28 | 2019-05-03 | 郑州春泉节能股份有限公司 | Cloud temperature controller and central air-conditioning centralized control method based on the cloud temperature controller |
| CN109708255B (en) * | 2018-12-28 | 2024-03-15 | 郑州春泉节能股份有限公司 | Cloud temperature controller and central air conditioner centralized control method based on cloud temperature controller |
| CN109540222A (en) * | 2019-01-03 | 2019-03-29 | 浙江求是人工环境有限公司 | A kind of temperature and humidity sensing device based on unified communication interface |
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