CN1328573C - Electric power carrier wave type temperature control type central air conditioner fee charger - Google Patents
Electric power carrier wave type temperature control type central air conditioner fee charger Download PDFInfo
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- CN1328573C CN1328573C CNB200410060478XA CN200410060478A CN1328573C CN 1328573 C CN1328573 C CN 1328573C CN B200410060478X A CNB200410060478X A CN B200410060478XA CN 200410060478 A CN200410060478 A CN 200410060478A CN 1328573 C CN1328573 C CN 1328573C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/34—Smart metering supporting the carbon neutral operation of end-user applications in buildings
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Abstract
The present invention relates to a fee charging meter for a central air conditioner, particularly to an electric power line carrier type temperature control type fee charging meter for a central air conditioner, which comprises a central processing module, an electric power line carrier communication module, a temperature collection module, a fan coil pipe operation control module, a key control module and a user operation display module, wherein the central processing module comprises a CPU, a storage and a time monitor; four parallel ports of the CPU are respectively connected with SDA and SCL of the storage and WD1 and REST of the time monitor; RXD and TXD ports of the CPU are respectively connected with corresponding RXD and TXD interfaces of the electric power line carrier communication module whose output terminal is connected with a single phase electrical network AC220V/50Hz; the output terminal of the temperature collection module is connected with a T1 port of the CPU; four control terminals of the fan coil pipe operation control module are respectively connected with the four parallel ports of the CPU; two output terminals of the key control module are respectively and electrically connected with INT1 and T0 ports of the CPU. The present invention has the advantages of simple structure of a whole circuit, accurate measurement, scientific and reasonable fee charging for users, visual and convenient user operation, power saving, load reduction and service life extension of a device.
Description
One. technical field: the present invention relates to a kind of central air conditioner taximeter, particularly relate to a kind of power line carrier formula temperature control type central air conditioner taximeter.
Two. background technology: present many mansions and residential building adopt the central air conditioner cooling and heat, thing followed management and just apparent to user's charging problem, the various expenses that the central air conditioner operation is taken place mainly comprise the following aspects:
1) the used expense (comprising the electricity charge of equipment such as handpiece Water Chilling Units, cooling tower, water pump) of air-conditioning system operation.
2) air-conditioning system is replenished the water rate of water.3) manually-operated of air-conditioning system, overhead cost.
4) depreciation of equipment of air-conditioning system.5) the maintenance, repair expense of air-conditioning system.
6) the every additional cost of other of air-conditioning system, management for infrastructure fee etc.
The central air conditioner charging item is various as can be seen, how central air conditioner is managed more easily and to each user's science, reasonable fee? in recent years, engineering technical personnel have developed some central air conditioner taximeters, for example, the patent of the applicant's design: patent No. ZL01251884.0, notification number CN2495941Y, patent name: state time type central air conditioner taximeter and patent No. ZL03245602.6, publication number 2620832, patent name: central air conditioner taximeter, also has other: number of patent application: 98120182.2, notification number CN1252522A, patent name: changes in temperature consumption metering system and special-purpose metering device thereof, the patent No.: ZL97217697.7, notification number CN2287718Y, patent name: the central air conditioner user uses the measuring apparatus of air conditioner cold-heat amount etc., though these have produced certain good effect to the central air conditioner household cost allocation, but also there are some defectives, show not too directly perceived to operation when using as the user, it is not too convenient to use, the information of whole user network transmits need the cloth grid line, and cost is more high.
Three. summary of the invention: the objective of the invention is:, design power line carrier formula temperature control type central air conditioner taximeter in order to overcome the problem that prior art exists.
For achieving the above object, the technical solution used in the present invention is:
A kind of power line carrier formula temperature control type central air conditioner taximeter, contain central processing module, power carrier communication module or RS485 bus communication module, temperature collect module, the fan coil operation control module, the button control module, user's Operation display module, power module provides working power to each several part, central processing module contains CPU, storer and monitor, three parallel ports of CPU respectively with the SDA of storer, SCL, the WD1 of monitor is electrically connected, and the reset terminal of CPU is electrically connected with the reset terminal of monitor, the INTO mouth of CPU is electrically connected with remote-control receiving circuit, the RXD of CPU, the TXD mouth respectively with the corresponding interface RXD of electric line carrier communication module, TXD is electrically connected, and the output terminal of electric line carrier communication module is electrically connected with single-phase electrical network AC220V/50HZ, the output terminal of temperature collect module and the T of CPU
1Mouthful be electrically connected, four control ends of fan coil operation control module are electrically connected with four parallel ports of CPU respectively, two output terminals of button control module respectively with the INT of CPU
1, T
0Mouth is electrically connected; The user is by button control module input set temperature value, the CPU of central processing module carries out calculation process according to the instruction of accepting, the function of selecting according to the user begins to freeze or heat, corresponding control end in the output control signal fan coil pipe operation control module, behind the controlled signal of fan coil operation control module corresponding circuit, promote corresponding executive circuit, be that the fan coil air outlet has corresponding cold wind or hot blast to blow out with the wind speed that the user selectes, meanwhile pick up counting, reach the temperature of setting when indoor temperature after, by this information that temperature collect module will collect, send into the T of CPU from its output terminal
1Mouthful, CPU with the design temperature of itself and user input relatively after, exporting corresponding steering order closes solenoid valve and blower fan, preserve by storer during this operameter, air-conditioning t service time of each gear of fan coil multiply by the table cold P of each gear of central air conditioner fan coil, draws the energy that each gear of central air conditioner fan coil is consumed, after the energy addition that each gear of fan coil is consumed, multiply by the energy unit price, be the expense that the user hands over.
In the fan coil operation control module, four control ends that the parallel port is connected with CPU, respectively the negative electricity by diode in the photoisolator input end in a resistance and each loop is connected, diode cathode connects positive source by a resistance, in the output terminal of each photoisolator, one end is electrically connected with the grid of each bidirectional triode thyristor, and the other end is electrically connected with each control output end by a resistance.
The RS485 bus communication module, its RXD, TXD mouth are electrically connected with the corresponding interface of CPU, and the RE mouth is electrically connected with the RD mouth of CPU.
Described taximeter, CPU, storer and monitor are respectively 89C2051, AT24C01A and MAX813L, 16,19 pin, 17 of 89C2051, pin are electrically connected with 5,6 pin of AT24C01A and 6 pin of MAX813L respectively, 6 pin of 89C2051 are electrically connected with remote-control receiving circuit, and 1 pin of 89C2051 is electrically connected with 7 pin of MAX813L.
Described taximeter, power carrier communication module chip are LY9801, and 16,17 pin are electrically connected with 2,3 pin of 89C2051 respectively.
Described taximeter, control end CONT1, the CONT2 of fan coil operation control module, CONT3, CONT4 are electrically connected with 15,14,13,12 pin of 89C2051 respectively.
Contact KEY1, KEY2 are electrically connected with 7,8 pin of 89C2051 respectively in the button control module.
Described taximeter, integrated circuit is CD555 in the temperature collect module, its 3 pin output terminal is electrically connected with 9 pin of 89C2051.
Any CPU in CPU or the employing P89LPC92 series, 1 of described CPU, 2 pin, 3,4 pin respectively with 6 of AT24C01A, 5 pin, 6 of MAX813L, 7 pin are electrically connected, 12 of P89LPC92,11 pin with as 16 of the LY9801 of power carrier communication module, 17 pin are electrically connected, 13 pin of P89LPC92 are electrically connected with 3 pin of CD555,20 of P89LPC92,19,18, four control end CONT1 of 17 pin and fan coil operation control module, CONT2, CONT3, CONT4 is electrically connected, 8 of P89LPC92, two output terminal KEY1 of 10 pin and button control module, KEY2 is electrically connected.
Taximeter CPU or employing 89C51,8,5 pin of 89C51,6,9 pin respectively with 6,5 pin of AT24C01A, 6,7 pin of MAX813L are electrically connected, 11,10 pin of 89C51 are electrically connected with 16,17 pin as the LY9801 of power carrier communication module, 15 pin of 89C51 are electrically connected with 3 pin of CD555,4,3,2,1 pin of 89C51 is electrically connected with four control end CONT1, CONT2, CONT3, CONT4 of fan coil operation control module respectively, and 13,14 pin of 89C51 are electrically connected with two output terminal KEY1, KEY2 of button control module respectively; CPU or adopt in 8051,8751,8031 any by functional definition, realizes itself and being connected of storer, monitor and power carrier communication module.
Positive beneficial effect of the present invention:
1. the dual-use function that the present invention is integrated central air conditioner temperature controller and central air conditioner charges makes the be set at foundation of air conditioning charging with user's actual use and user's room temperature, and science more.
2. the present invention has realized Scientific Measurement,
According to the thermodynamics formula: Q=fc Δ TV=fc (T
2-T
1) qt
ΔT＝T
2-T
1 V＝qt
Q: the cold or the heat Δ T that consume (being that fan coil is taken away): the fan coil exit port temperature difference
C: specific heat T
2: the fan coil outlet temperature
Q: flow T
1: the fan coil inlet temperature
T: V working time of fan coil: volume
Power line carrier formula temperature control type central air conditioner taximeter of the present invention, just be based on this principle and carrying out work, at resultful air-conditioning in the time, the time of the different wind speed accumulative total operation of synchronous detection fan coil, multiply by the power that different wind speed consumes, can draw its energy consumption, after the energy addition that different wind speed consumed, multiply by the energy unit price, can realize Scientific Measurement.C, (T in the thermodynamics formula
2-T
1), q can be the coefficient of colligation of wind speed, it under normal conditions the heat exchange power P (table cold) of each gear of central air conditioner fan coil, be Q=Pt, according to this principle, can calculate cold that each Subscriber Unit time takes away, calorie value, thereby determine the energy unit price, so temperature value that the present invention sets height and user according to indoor temperature, when control central air conditioner fan coil moves automatically, measure resultful air conditioning condition in the time, air-conditioning t service time of each gear of fan coil multiply by the table cold P of each gear of central air conditioner fan coil, draw the energy that each gear of central air conditioner fan coil is consumed, after the energy addition that each gear of fan coil is consumed, multiply by the energy unit price, be the expense that the user hands over, realized the Scientific Measurement charge.
3. circuit structure of the present invention is simple, implements easily, and cost is low.
4. in the telecommunication circuit of the present invention, it is by the power line carrier mode that information transmits, realize centralized automatic meter-reading, saved traditional centralized automatic meter-reading technology of outer lines in addition during installation, saved a large amount of network communication lines, and executive cost, reduce significantly labour intensity and workload are installed, reduce installation cost significantly.
5. user terminal function of the present invention, state intuitive display, easy to operate can promote user's reasonable consumption, and energy savings reduces load, prolongs the serviceable life of equipment.
Four. description of drawings:
Fig. 1. carrier wave mode of electric power temperature control type central air conditioner taximeter is used synoptic diagram
Fig. 2. carrier wave mode of electric power temperature control type central air conditioner taximeter working routine logical schematic
Fig. 3. the total module diagram of carrier wave mode of electric power temperature control type central air conditioner fee counter function
Fig. 4. carrier wave mode of electric power temperature control type central air conditioner taximeter fan coil operation control module principle schematic
Fig. 5. carrier wave mode of electric power temperature control type central air conditioner taximeter button control module principle schematic
Fig. 6. carrier wave mode of electric power temperature control type central air conditioner taximeter monitor synoptic diagram
Fig. 7. carrier wave mode of electric power temperature control type central air conditioner taximeter core CPU synoptic diagram
Fig. 8. carrier wave mode of electric power temperature control type central air conditioner taximeter storer synoptic diagram
Fig. 9. carrier wave mode of electric power temperature control type central air conditioner taximeter electric power carrier communication module principle synoptic diagram
Figure 10. carrier wave mode of electric power temperature control type central air conditioner taximeter indoor temperature acquisition module principle schematic
Figure 11. carrier wave mode of electric power temperature control type central air conditioner taximeter power module principle schematic one
Figure 12. carrier wave mode of electric power temperature control type central air conditioner taximeter power module principle schematic two
Figure 13. carrier wave mode of electric power temperature control type central air conditioner taximeter RS485 bus communication module principle schematic
Figure 14. two of carrier wave mode of electric power temperature control type central air conditioner taximeter core CPU synoptic diagram
Figure 15. three of carrier wave mode of electric power temperature control type central air conditioner taximeter core CPU synoptic diagram
Five. embodiment:
Embodiment one: referring to Fig. 1,4,5,6,7,8,9,10,11,12, among the figure: 1 is central air conditioner user indoor fan coil pipe, and 2 is return pipe, and 3 is water inlet pipe, and 4 is solenoid valve, and 5 is user's operating display, VC220L
2The N line is the 220V/50HZ electrical network, H, M, the L line is respectively in the fan coil, high, in, the line of electric force of low-grade wind speed, its correspondence is connected in the output terminal OUT1 in the fan coil operation control module, OUT2, OUT3, F is the solenoid valve line of electric force, correspondence is connected in the output terminal OUT4 in the fan coil operation control module, U5 is CPU, U6 is a storer, U7 is a monitor, U8 is the power carrier chip, U9 is a time base circuit, U10 is a three terminal regulator, power module provides working power to each control circuit, in central air-conditioning system running, corresponding function on the selected as required operating display 5 of user, and after the set temperature value, promptly CPU is imported corresponding instruction by the button control module, the button control module will be instructed from KEY1, KEY2 exports the INT1 of CPU to, the TO mouth, after CPU carries out calculation process according to the instruction of accepting, execution command, from four parallel ports of correspondence two, the output control signal, the control end of correspondence behind the controlled signal of fan coil operation control module corresponding circuit, promotes corresponding executive circuit in the fan coil pipe operation control module, respectively with in the 220V/50HZ electrical network, AC220L
2Among line and OUT4 and OUT1, OUT2, the OUT3 a road is communicated with, the blower fan of solenoid valve 4 and corresponding wind speed is opened, there is recirculated water to enter in the water inlet pipe 3, after by fan coil 1 cold or heat being sent, flow out from return pipe 2, the function of selecting according to the user begins to freeze or heat, be that fan coil 1 air outlet has corresponding cold wind or hot blast to blow out with the wind speed that the user selectes, meanwhile pick up counting, reach the temperature of setting when indoor temperature after, by this information that temperature collect module will collect, send into the T of CPU from its output terminal
1Mouthful, after CPU and user's the instruction relatively, solenoid valve 4 and blower fan are closed water inlet pipe 3, anhydrous flowing in the return pipe 2, at this moment, preserve by storer during this operameter, this information is passed through RXD by CPU, the TXD mouth is given the power carrier communication module, and the power carrier communication module is from its output terminal, through the 220V/50HZ electrical network, get in touch with the central air conditioner charging mainframe, after indoor temperature is gone up or dropped to the temperature of setting, according to above principle of work, solenoid valve 4 is opened, there is recirculated water to enter in the water inlet pipe 3, flows out from return pipe 2, begin to freeze or heat by fan coil 1 back, process is the same, so circulation.
Embodiment two: referring to Fig. 4,5,6,7,8,9,10,11,12, three parallel ports of CPU respectively with SDA, the SCL of storer, the WD1 of monitor is electrically connected, the INTO mouth of CPU is electrically connected with remote-control receiving circuit, the RXD of CPU, TXD mouth are electrically connected with corresponding interface RXD, the TXD of electric line carrier communication module respectively, the output terminal of electric line carrier communication module is electrically connected with single-phase electrical network AC220V/50HZ, the output terminal of temperature collect module and the T of CPU
1Mouthful be electrically connected, four control ends of fan coil operation control module are electrically connected with four parallel ports of CPU respectively, two output terminals of button control module respectively with the INT of CPU
1, T
0Mouth is electrically connected.
In the fan coil operation module, four control ends that the parallel port is connected with CPU, be connected with the negative electricity of diode in the photoisolator input end by a resistance, diode cathode connects positive source by a resistance, in the output terminal of photoisolator, one end is electrically connected with the grid of bidirectional triode thyristor, and the other end is electrically connected with the control output end by a resistance.
Power module provides working power to system, when central air-conditioning system entry into service, the user is according to indoor temperature, with the button on the operating display 5, or telepilot, corresponding function on the selected operating display 5, and after the set temperature value, this information is by button control module output terminal KEY1, KEY2 sends into two parallel port INT1 of CPUU1, TO, function and setting value and temperature collect module U5 output terminal DO that CPUU1 selectes according to the user, fan coil operation control module control end CONT1, CONT2, CONT3, after the information that CONT4 sends into compares, the output control signal corresponding removes to promote control executive circuit (refrigeration or heating), CONT1, CONT2, CONT3 controls high, in, low wind speed, CONT4 control be installed in that the central air conditioner fan coil advances or rising pipe on solenoid valve, meanwhile, at resultful air-conditioning in the time, synchronous detection wind speed state, and with status signal totally timing storage respectively, reach the temperature value of user's setting when indoor temperature after, this information output control signal corresponding that CPU provides according to temperature collect module, the fan coil operation control module is quit work, timing simultaneously finishes, CPU is according to the expense of the unit interval of having deposited, the temporal calculation that multiply by the accumulative total operation goes out rational expense, this information is by the serial ports RXD of CPU, TXD is communicated with the corresponding port of electric power carrier communication module, output terminal by the power carrier communication module, send into the 220V/50HZ electrical network and be connected to central air conditioner charging main frame, central air conditioner charging main frame carries out data base administration according to the information of obtaining, it is the inventory of unit that cold (heat) amount that the user consumed was changed into time, determine the time unit price of different fan coils, calculate the expense of fan coil, CPU and memory module can be preserved metrical information.
Embodiment three: referring to Fig. 4,5,6,7,8,9,10,11,12, CPU, storer and monitor can be 89C2051, AT24C01A and MAX813L respectively, 89C2051 16,19,17, pin is electrically connected with 5,6 pin of AT24C01A and 6 pin of MAX813L respectively, 6 pin of 89C2051 are electrically connected with remote-control receiving circuit, and 1 pin of 89C2051 is electrically connected with 7 pin of MAX813L.
Circuit is LY9801 in the power carrier communication module, and 17,16 pin are electrically connected with 2,3 pin of 89C2051 respectively.
The temperature collect module circuit is CD555, and its output terminal 3 pin are electrically connected with 9 pin of 89C2051.
Control end CONT1, CONT2, CONT3, the CONT4 of fan coil operation module are electrically connected with 15,14,13,12 pin of 89C2051 respectively.
Contact KEY1, KEY2 are electrically connected with 7,8 pin of 89C2051 respectively in the button control module.
Power module provides working power to system, when central air-conditioning system entry into service, the user is according to indoor temperature, with the button on the operating display 5, or telepilot, behind the corresponding function and set temperature value on the selected operating display 5, this information is by button control module output terminal KEY1, KEY2 sends into 7 of 89C2051,8 pin, function that 89C2051 selectes according to the user and 3 pin of setting value and temperature collect module CD555, fan coil operation control module control end CONT1, CONT2, CONT3, after the information that CONT4 sends into compares, from 15,14,13,12 pin output control signal corresponding is removed to promote the control executive circuit and is freezed or heating, 15,14, the height of 13 foot control system fan coils, in, low wind speed, 12 foot control systems be installed in that the central air conditioner fan coil advances or rising pipe on solenoid valve, meanwhile, at resultful air-conditioning in the time, synchronous detection wind speed state, and with status signal totally timing storage respectively, reach the temperature value of user's setting when indoor temperature after, 89C2051 delivers to this information of 9 pin according to 3 pin of temperature collect module CD555, respectively from 12,13,14,15 pin output control signal corresponding, the work of control fan coil operation control module, CPU is according to the expense of the unit interval of having deposited, the temporal calculation that multiply by the accumulative total operation goes out rational expense, this information is by 2 of 89C205,17 of 3 pin and LY9801,16 pin are communicated with, after the signal Processing by the power carrier communication module, send into the 220V/50HZ electrical network from its output terminal, be connected to central air conditioner charging main frame, central air conditioner charging main frame carries out data base administration according to the information of obtaining, with the user in the resultful time, cold (heat) amount that is consumed, change into time is the inventory of unit, determine the time unit price of different fan coils, calculate the expense of fan coil, CPU and memory module can be preserved metrical information.
Embodiment four: referring to Fig. 4,5,6,7,8,9,10,11,12,14, present embodiment is at embodiment two, change on three the basis, code name and embodiment two in the present embodiment, three is identical, represent device identical, its principle of work is identical, function is identical, no longer repeat, its change is: with model is that to replace model be the CPU of 89C2051 for the CPU of P89LPC92 series, 1 of P89LPC92,2 pin, 3,6 of 4 pin and AT24C01A, 5 pin, 6 of MAX813L, 7 pin are electrically connected, 12 of P89LPC92,16 of 11 pin and LY9801,17 pin are electrically connected, 13 pin of P89LPC92 are electrically connected with 3 pin of CD555,20 of P89LPC92,19,18, four control end CONT1 of 17 pin and fan coil operation control module, CONT2, CONT3, CONT4 is electrically connected, 8 of P89LPC92, two output terminal KEY1 of 10 pin and button control module, KEY2 is electrically connected.
Power module provides working power to system, when central air-conditioning system entry into service, the user is according to indoor temperature, with the button on the operating display 5, or telepilot, behind the corresponding function and set temperature value on the selected operating display 5, this information is by button control module output terminal KEY1, KEY2 sends into 8 of P89LPC92,10 pin, function that P89LPC92 selectes according to the user and 3 pin of setting value and temperature collect module CD555, fan coil operation control module control end CONT1, CONT2, CONT3, after the information that CONT4 sends into compares, from 20,19,18,17 pin output control signal corresponding is removed to promote the control executive circuit and is freezed or heating, 20,19, the high H of 18 foot control system fan coils, middle M, low L wind speed, 17 foot control systems be installed in that central air conditioner fan coil 1 advances or rising pipe on solenoid valve 4, meanwhile, at resultful air-conditioning in the time, synchronous detection wind speed state, and with status signal totally timing storage respectively, reach the temperature value of user's setting when indoor temperature after, P89LPC92 delivers to the information of 13 pin according to 3 pin of temperature collect module CD555, respectively from 20,19,18,17 pin output control signal corresponding, the work of control fan coil operation control module, CPU is according to the expense of the unit interval of having deposited, the temporal calculation that multiply by the accumulative total operation goes out rational expense, this information is by 12 of P89LPC92,16 of 11 pin and LY9801,17 pin are communicated with, after the signal Processing by the power carrier communication module, send into the 220V/50HZ electrical network from its output terminal, be connected to central air conditioner charging main frame, central air conditioner charging main frame carries out data base administration according to the information of obtaining, with the user in the resultful time, cold (heat) amount that is consumed, change into time is the inventory of unit, determine the time unit price of different fan coils, calculate the expense of fan coil, CPU and memory module can be preserved metrical information.
Embodiment five: referring to Fig. 4,5,6,7,8,9,10,11,12,15, present embodiment is at embodiment two, change on three the basis, code name and embodiment two in the present embodiment, three is identical, represent device identical, its principle of work is identical, function is identical, no longer repeat, its change is: with model is that to replace model be the CPU of 89C2051 for 8051 CPU, 8051 5,8 pin, 6,5 of 9 pin and AT24C01A, 6 pin, 6 of MAX81 3L, 7 pin are electrically connected, 8051 10,17 of 11 pin and LY9801,16 pin are electrically connected, and 8051 15 pin are electrically connected with 3 pin of CD555,8051 4,3,2, four control end CONT1 of 1 pin and fan coil operation control module, CONT2, CONT3, CONT4 is electrically connected, 8051 13, two output terminal KEY1 of 14 pin and button control module, KEY2 is electrically connected.
When central air-conditioning system entry into service, power module provides working power to system, the user is according to indoor temperature, by the button on the operating display 5, or telepilot, behind the corresponding function and set temperature value on the selected operating display 5, this information is by button control module output terminal KEY1, KEY2 send into 8051 13,14 pin, 8051 functions of selecting according to the user and 3 pin of setting value and temperature collect module CD555, fan coil operation control module control end CONT1, CONT2, CONT3, after the information that CONT4 sends into compares, from 1,2,3,4 pin output control signal corresponding is removed to promote the control executive circuit and is freezed or heating, 4,3, the high H of 2 foot control system fan coils, middle M, low L wind speed, 1 foot control system be installed in that central air conditioner fan coil 1 advances or rising pipe on solenoid valve 4, meanwhile, at resultful air-conditioning in the time, synchronous detection wind speed state, and with status signal totally timing storage respectively, reach the temperature value of user's setting when indoor temperature after, 8051 deliver to the information of 15 pin according to 3 pin of temperature collect module CD555, respectively from 1,2,3,4 pin output control signal corresponding, the work of control fan coil operation control module, CPU is according to the expense of the unit interval of having deposited, the temporal calculation that multiply by the accumulative total operation goes out rational expense, this information by 8051 10,16 of 11 pin and LY9801,17 pin are communicated with, after the signal Processing by the power carrier communication module, send into the 220V/50HZ electrical network from its output terminal, be connected to central air conditioner charging main frame, central air conditioner charging main frame carries out data base administration according to the information of obtaining, with the user in the resultful time, cold (heat) amount that is consumed, change into time is the inventory of unit, determine the time unit price of different fan coils, calculate the expense of fan coil, CPU and memory module can be preserved metrical information.
Embodiment six: referring to Fig. 4,5,6,7,8,9,10,11,12,13,14,15 present embodiments is to change on the basis of embodiment two, three, four, five, code name is identical with embodiment two, three, four, five in the present embodiment, represent device identical, its principle of work is identical, function is identical, no longer repeat, its change is: communication can adopt 485 bus modules to replace the power carrier module, its RXD, the corresponding RXD with CPU of TXD mouth, TXD mouth connect, and its COMA, COMB mouth are respectively by behind the resistance and connect a resistance and be connected with last (descending) machine.
485 chips can adopt MAX487,1,4,2 pin are connected with 2,3,11 pin of 89C2051, or be connected with 12,11,16 pin of P89LPC92, or be connected with 8051 10,11,17 pin, 6,7 pin are respectively by behind the resistance and connect a resistance and be connected with last (descending) position machine.
Claims (10)
1. power line carrier formula temperature control type central air conditioner taximeter, contain central processing module, power carrier communication module or RS485 bus communication module, temperature collect module, the fan coil operation control module, the button control module, user's Operation display module, power module provides working power to each several part, it is characterized in that: central processing module contains CPU, storer and monitor, three parallel ports of CPU respectively with the SDA of storer, SCL, the WD1 of monitor is electrically connected, and the reset terminal of CPU is electrically connected with the reset terminal of monitor, the INTO mouth of CPU is electrically connected with remote-control receiving circuit, the RXD of CPU, the TXD mouth respectively with the corresponding interface RXD of electric line carrier communication module, TXD is electrically connected, and the output terminal of electric line carrier communication module is electrically connected with single-phase electrical network AC220V/50HZ, the output terminal of temperature collect module and the T of CPU
1Mouthful be electrically connected, four control ends of fan coil operation control module are electrically connected with four parallel ports of CPU respectively, two output terminals of button control module respectively with the INT of CPU
1, T
0Mouth is electrically connected; The user is by button control module input set temperature value, the CPU of central processing module carries out calculation process according to the instruction of accepting, the function of selecting according to the user begins to freeze or heat, corresponding control end in the output control signal fan coil pipe operation control module, behind the controlled signal of fan coil operation control module corresponding circuit, promote corresponding executive circuit, be that the fan coil air outlet has corresponding cold wind or hot blast to blow out with the wind speed that the user selectes, meanwhile pick up counting, reach the temperature of setting when indoor temperature after, by this information that temperature collect module will collect, send into the T of CPU from its output terminal
1Mouthful, CPU with the design temperature of itself and user input relatively after, exporting corresponding steering order closes solenoid valve and blower fan, preserve by storer during this operameter, air-conditioning t service time of each gear of fan coil multiply by the table cold P of each gear of central air conditioner fan coil, draws the energy that each gear of central air conditioner fan coil is consumed, after the energy addition that each gear of fan coil is consumed, multiply by the energy unit price, be the expense that the user hands over.
2. taximeter according to claim 1 is characterized in that; In the fan coil operation control module, four control ends that the parallel port is connected with CPU, respectively the negative electricity by diode in the photoisolator input end in a resistance and each loop is connected, diode cathode connects positive source by a resistance, in the output terminal of each photoisolator, one end is electrically connected with the grid of each bidirectional triode thyristor, and the other end is electrically connected with each control output end by a resistance.
3. taximeter according to claim 1 is characterized in that: the RS485 bus communication module, and its RXD, TXD mouth are electrically connected with the corresponding interface of CPU, and the RE mouth is electrically connected with the RD mouth of CPU.
4. according to each described taximeter of claim 1～3, it is characterized in that: CPU, storer and monitor are respectively 89C2051, AT24C01A and MAX813L, 16,19 pin, 17 of 89C2051, pin are electrically connected with 5,6 pin of AT24C01A and 6 pin of MAX813L respectively, 6 pin of 89C2051 are electrically connected with remote-control receiving circuit, and 1 pin of 89C2051 is electrically connected with 7 pin of MAX813L.
5. taximeter according to claim 4 is characterized in that: the power carrier communication module chip is LY9801, and 16,17 pin are electrically connected with 2,3 pin of 89C2051 respectively.
6. taximeter according to claim 5 is characterized in that: control end CONT1, the CONT2 of fan coil operation control module, CONT3, CONT4 are electrically connected with 15,14,13,12 pin of 89C2051 respectively.
7. taximeter according to claim 6 is characterized in that: contact KEY1, KEY2 are electrically connected with 7,8 pin of 89C2051 respectively in the button control module.
8. taximeter according to claim 7 is characterized in that: integrated circuit is CD555 in the temperature collect module, and its 3 pin output terminal is electrically connected with 9 pin of 89C2051.
9. taximeter according to claim 4, it is characterized in that: any CPU in CPU or the employing P89LPC92 series, 1 of described CPU, 2 pin, 3,4 pin respectively with 6 of AT24C01A, 5 pin, 6 of MAX813L, 7 pin are electrically connected, 12 of P89LPC92,11 pin with as 16 of the LY9801 of power carrier communication module, 17 pin are electrically connected, 13 pin of P89LPC92 are electrically connected with 3 pin of CD555,20 of P89LPC92,19,18, four control end CONT1 of 17 pin and fan coil operation control module, CONT2, CONT3, CONT4 is electrically connected, 8 of P89LPC92, two output terminal KEY1 of 10 pin and button control module, KEY2 is electrically connected.
10. taximeter according to claim 4, it is characterized in that: CPU or employing 89C51,8 of 89C51,5 pin, 6,9 pin respectively with 6 of AT24C01A, 5 pin, 6 of MAX813L, 7 pin are electrically connected, 11 of 89C51,10 pin with as 16 of the LY9801 of power carrier communication module, 17 pin are electrically connected, 15 pin of 89C51 are electrically connected with 3 pin of CD555,4 of 89C51,3,2,1 pin respectively with four control end CONT1 of fan coil operation control module, CONT2, CONT3, CONT4 is electrically connected, 13 of 89C51,14 pin respectively with two output terminal KEY1 of button control module, KEY2 is electrically connected; CPU or adopt in 8051,8751,8031 any by functional definition, realizes itself and being connected of storer, monitor and power carrier communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410060478XA CN1328573C (en) | 2004-08-26 | 2004-08-26 | Electric power carrier wave type temperature control type central air conditioner fee charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410060478XA CN1328573C (en) | 2004-08-26 | 2004-08-26 | Electric power carrier wave type temperature control type central air conditioner fee charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1587911A CN1587911A (en) | 2005-03-02 |
| CN1328573C true CN1328573C (en) | 2007-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410060478XA Expired - Fee Related CN1328573C (en) | 2004-08-26 | 2004-08-26 | Electric power carrier wave type temperature control type central air conditioner fee charger |
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| Country | Link |
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| CN (1) | CN1328573C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322280C (en) * | 2004-11-19 | 2007-06-20 | 杨东 | Intelligent type draught fan coil pipe and operation control method thereof |
| CN100356140C (en) * | 2005-08-23 | 2007-12-19 | 郑州春泉暖通节能设备有限公司 | Equivalent energy charging method for central air conditioner metering fee |
| CN102032641B (en) * | 2009-09-30 | 2013-07-31 | 王武林 | Method for controlling central air conditioner environment-protectively |
| CN106642575B (en) * | 2016-12-23 | 2022-07-22 | 南京新联电子股份有限公司 | Fan coil controller based on power line broadband carrier communication technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252522A (en) * | 1998-10-23 | 2000-05-10 | 杨运鸿 | Heat and cold amount measuring system and its special measuring meter |
| CN2472196Y (en) * | 2001-04-04 | 2002-01-16 | 胡益雄 | Volume counting charge meter for air conditioner |
| CN2620832Y (en) * | 2003-04-01 | 2004-06-16 | 郑州春泉暖通节能设备有限公司 | Charge meter for central air conditioner |
| CN2755570Y (en) * | 2004-08-26 | 2006-02-01 | 郑州春泉暖通节能设备有限公司 | Power carrier accounter of central air conditioner |
-
2004
- 2004-08-26 CN CNB200410060478XA patent/CN1328573C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252522A (en) * | 1998-10-23 | 2000-05-10 | 杨运鸿 | Heat and cold amount measuring system and its special measuring meter |
| CN2472196Y (en) * | 2001-04-04 | 2002-01-16 | 胡益雄 | Volume counting charge meter for air conditioner |
| CN2620832Y (en) * | 2003-04-01 | 2004-06-16 | 郑州春泉暖通节能设备有限公司 | Charge meter for central air conditioner |
| CN2755570Y (en) * | 2004-08-26 | 2006-02-01 | 郑州春泉暖通节能设备有限公司 | Power carrier accounter of central air conditioner |
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| CN1587911A (en) | 2005-03-02 |
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