CN201034615Y - Central air-conditioning fare register based on BUS bus - Google Patents
Central air-conditioning fare register based on BUS bus Download PDFInfo
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- CN201034615Y CN201034615Y CNU2006201348111U CN200620134811U CN201034615Y CN 201034615 Y CN201034615 Y CN 201034615Y CN U2006201348111 U CNU2006201348111 U CN U2006201348111U CN 200620134811 U CN200620134811 U CN 200620134811U CN 201034615 Y CN201034615 Y CN 201034615Y
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Abstract
The utility model relates to a central air-conditioner accounting device based on bus, consisting of a processor module, a time watching and memory module and a fan coil gears detection module. The high, the middle and the low grade status signals of the fan coil gear detection module are respectively communicated with the relevant I/O interfaces of the processor module; one interface of the serial communication interfaces of the bus communication power module is communicated with the power supply; the serial communication interfaces are simultaneously and respectively communicated with the relevant serial communication interfaces of the processor module CPU and achieve the polarity insensitive communication with the external bus by a pre-positioned bridge; the power supply and the communication of the accounting device are achieved simultaneously by two common conductors. The bus technology of the utility model achieves the power supply and the communication functions of the accounting device, improves the limitation of the polarity communication of the power supply and the communication of the RS 485 bus by two couples of wires. The utility model achieves the effect accounting of the central air-conditioner, simplifies the installation process and routing cost, which has the advantages of simple structure, low cost as well as convenient concentration management and maintenance.
Description
One, technical field:
The utility model relates to a kind of central air conditioner taximeter, particularly relates to a kind of 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 at present, 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 factors such as user's awareness of saving energy is thin, the charge system is unreasonable to cause, but main cause is still because the backwardness of design, construction and the 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 terminal practical control technology of central air conditioner 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.
Because a large amount of indoor thermostat or the three speed switch of using of air-conditioning system user terminal fan coil control at present, adopt the refrigerating/heating pattern to carry out manual switchover, manually carry out blower fan three fast modes and switch, judge the realization automatic switch control by electric two-way valve according to room temperature, this control mode is realized the upgrading of charging measurement technology and realizes the combined network communication function, technical sophistication, cost an arm and a leg, be difficult to promote the wider application.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, disclose a kind of control device of artificial atmosphere, aimed to provide a kind of electronic dynamic discharge balance of intelligent temperature control, high precision, integrated device of computer networking monitoring charging three technology that is applied to the central air conditioner fan coil.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.The utility model accurate measurement, control be reliable, stable, novel in design, easy to operate, it is simple to install, adaptability is good, price is extremely cheap.The problem that exists is at present: many such a bus communication modes, and connection and power lead must be finished by four leads, are connected by polarity by industrial siding, and use is inconvenient, increases mounting process and cable wiring manufacture cost.
Three, utility model content:
Technical problem to be solved in the utility model: at background technology prior art deficiency, propose a kind of central air conditioner taximeter, adopt two-wire system BUS bussing technique, realize taximeter power supply and communication function simultaneously based on the BUS bus, and nonpolarity connection.
The technical scheme that the utility model adopted:
A kind of central air conditioner taximeter based on the BUS bus, contain processor module, memory module during prison, fan coil gear detection module, the control interface of memory module during prison, data-interface and read-write synchronous clock interface is corresponding control interface or the I/O interface of connection processing device module CPU respectively, the height of fan coil gear detection module, in, low-grade status signal inserts the corresponding I/O interface of processor module CPU respectively, be connected with BUS bus communication power module with processor module CPU, one of them interface of the serial communication interface of BUS bus communication power module connects power supply, described serial communication interface is distinguished the serial communication interface of corresponding connection processing device module CPU simultaneously, the bus interface input end of BUS bus communication power module is realized being connected with the nonpolarity of external bus by preposition electric bridge, is realized the power supply and the communication of taximeter simultaneously by two leads.
Described central air conditioner taximeter based on the BUS bus, also containing valve state detects and control module, the valve state detection module adopts optocoupler 521 to realize the strong and weak electricity isolation, the input end of valve state detection module connects the valve working power supply, and the isolation output terminal of valve state detection module is the I/O interface of valve state output terminal connection processing device module CPU; It is the master control device that the valve control module adopts 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, the two ends of its control output are connected in series in the valve working electric power loop, realize the arrearage forbidding.
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 adopts isolation module to connect with being connected of processor module CPU communication interface.
The utility model taximeter is mainly used in the effective time of indirect metering central air conditioner fan coil operation, 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: " producing effect " 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 calculates the expense that proportion is shared central air conditioner in the energy with this calculating energy in central air conditioner system.
Useful good effect of the present utility model:
1, the utility model is by adopting BUS bus communication power module, 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.Realized the central air conditioner charging that produces effect, simplified mounting process and wiring cost, simple in structure, cost is low, and is easy to use.
2, the utility model detects and control module by adopting valve state based on the central air conditioner taximeter of BUS bus, has realized the arrearage disable function, convenient centralized management and working service.
Four, description of drawings:
Fig. 1: BUS bus central air conditioner taximeter processor and bus communication power module circuitry schematic diagram
Fig. 2: memory module circuit theory synoptic diagram when supervising based on the central air conditioner taximeter of BUS bus
Fig. 3: based on the central air conditioner taximeter fan coil gear detection module circuit theory diagrams of BUS bus
Fig. 4: based on the central air conditioner taximeter valve control module circuit theory synoptic diagram of BUS bus
Fig. 5: based on the central air conditioner taximeter valve state detection module circuit theory synoptic diagram of BUS bus
Five, embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, present embodiment is the embodiment that connects valveless three speed switch or temperature controller based on the central air conditioner taximeter of BUS bus.Present embodiment BUS bus central air conditioner taximeter adopts the erasable cpu chip of AT89S52 dual inline type of atmel corp, by the definition of software to the function pin, realize with external module be connected and to the realization of fan coil metering function.Single-chip microcomputer also can be selected any one CPU in PIC16 series, PHILIPS89 series, the MSP family chip for use.
Specific to present embodiment, the 3rd, 4,5 pin of CPU connect H-CHECK, M-CHECK, the L-CHECK end (high, medium and low shelves) of fan coil gear detection module respectively, fan coil gear detection module detects the high, medium and low shelves of fan coil input voltage by comparator circuit, OUT compares with the standard input voltage, the not conducting of gear optocoupler that equates, it is 1 (high level) that host CPU detects pin, two other gear conducting, it is 0 (low level) that host CPU detects pin, and promptly the gear of Xiang Denging is an operational taps.It when OUT does not import neutral gear.R4 among Fig. 3, R5, R6 are the power divider resistance, and R12, R13, R15R are that pull-up resistor D4, D6, D8 are the half-wave rectification diode, and D5, D7, D9 are reverse protection diode.The BUS communication module adopts integrated circuit (IC) chip CMT001, the reception RXD/ of CMT001 sends TXD data pin 6,5 pin are distinguished directly and the serial communication interface the 10th of CPU, 11 pin link, the pattern that also can be designed to electrical isolation improves system's anti-interference, receive RXD/ and send TXD data pin 6,5 pin respectively with the RXD1 of isolation module, TXD1 connects, the RXD2 of isolation module, the 10th of TXD2 and CPU, 11 pin link, one of them interface of the serial communication interface of CMT001 connects power supply, the bus interface input end of CMT001 is realized being connected with the nonpolarity of external bus by preposition electric bridge B, is realized the power supply and the communication of taximeter by two plain conductors (the bus interface J3 among the figure).The 20th, 40 pin of CPU connect GND, the VCC end of BUS power module respectively.
Storage module U2 adopts integrated circuit (IC) chip X25025 during prison, the 13rd pin of CPU meets the 5th pin SI of X25025, the 14th pin of CPU meets the 6th pin SCK of X25025, the 15th pin of CPU meets the 2nd pin SO of X25025, the 17th pin of CPU meets the 1st pin WDOG of X25025,3 pin of X25025 connect+and but the 5V power supply makes X25045 be in the stored data state always, 4 pin of X25025 connect+5V power supply ground, the 7 pin RST of X25025 and the 9th pin RST of host CPU link, 8 pin connect+the 5V power supply just, provide power supply and low-voltage to detect to X25045.Storage module can be realized the under-voltage protection function during by prison, when X25045 is lower than setting protection voltage by detecting 8 pin input voltages, to high level of host CPU output, forces host CPU to quit work by the 7th pin; Function during prison: do not receive low level signal when X25045 the 1st pin surpasses setting-up time, export a high level by the 7th pin to host CPU immediately, force host CPU to restart; Reading and writing data: during stored data, 1 pin is put low level, and 3 pin are put high level, and 5,6 pin write data synchronously; During reading of data, 1 pin is put low level, 2,5 sense datas; C17 is the 7th pin that the 9th pin of decoupling capacitance CPU meets storage module U2 when supervising.
Among Fig. 1, the 18th, 19 pin of CPU connect X1, the X2 end of crystal module respectively.The 21st, 24 pin of CPU connect CPU_RUN, the LED_COM end of operation and communication indicating module respectively, and R19 among the figure, R20 are current-limiting resistances, when LED control end (CPU_RUN or LED_COM) when being high, corresponding LED does not work, and when control end was low level, LED lighted.24 pin of LED_COM and host CPU link, and D12 is the communication pilot lamp, and once inside out is once made in every communication, and D11 is a run indicator, regular flicker when host CPU normally moves.The 36th of CPU meets the video data DATA of LCD MODULE, what the 37th of CPU connect LCD MODULE writes display data clock/WR, the 38th of CPU meets the read-out display clock/RD of LCD MODULE, the 39th of CPU meets the display apparatus module gating/CS of LCD MODULE, C21 is a decoupling capacitance, and R14 is a pull-up resistor.
Embodiment two: referring to Fig. 1～5, present embodiment is the embodiment that is connected with the valve temperature controller based on the central air conditioner taximeter of BUS bus.Present embodiment and embodiment one different place is that taximeter contains valve state and detects and control module, is used to realize the arrearage disable function, convenient centralized management and working service, and something in common no longer repeats.Fig. 4 is the valve control module, adopting controllable silicon BT136 is the master control device, realize the strong and weak electricity isolation by optocoupler 3021, R24, R25, R21 are current-limiting resistance, the CONT of valve control module connects the 1st, 6,7 pin of host CPU, lead when the 1st, 6,7 pin of host CPU and to put when low optocoupler conducting, BT136 conducting; When the 1st, 6,7 pin of host CPU are put when high, not conducting of optocoupler, not conducting of BT136, IN, OUT be valve input, the output interface of corresponding temperature controller six hole plugs respectively.Fig. 5 is the valve state detection module, and R2, R3 are the power divider resistance, and R16 is last connecting resistance, and D2 is the half-wave rectification diode, and D3 is reverse protection diode, and C26 is a filter capacitor.OUT, N be the valve output and the zero line interface of corresponding temperature controller six hole plugs respectively, and F-CHECK connects the 2nd pin of CPU.When OUT has voltage output to make optocoupler U4 conducting, F-CHECK is low (state left by valve), and exporting when the OUT no-voltage is not conducting of optocoupler U4, and F-CHECK is high (state left by valve).
Central air conditioner taximeter based on the BUS bus can be realized: clocking capability: the CPU module is after receiving host computer and beginning keep cost order, detect and the producing effect working time of metering fan coil by fan coil gear identification module, when once being stored in prison in the memory circuit module by per 10 minutes; Control function: the CPU module is realized switch valve is controlled by control module after receiving PC control (switch valve) instruction; Communication function: under the centralized management of CPU module, communication module is realized receiving the order of host computer and is returned related data or order to host computer; Presentation Function: by running indicator and morse signal light bright/situation of going out, ruuning situation and communication situation that can simple knowledge CPU module.
Claims (3)
1. central air conditioner taximeter based on the BUS bus, contain processor module, memory module during prison, fan coil gear detection module, the control interface of memory module during prison, data-interface and read-write synchronous clock interface is corresponding control interface or the I/O interface of connection processing device module CPU respectively, the height of fan coil gear detection module, in, low-grade status signal inserts the corresponding I/O interface of processor module CPU respectively, it is characterized in that: be connected with BUS bus communication power module with processor module CPU, one of them interface of the serial communication interface of BUS bus communication power module connects power supply, described serial communication interface is distinguished the serial communication interface of corresponding connection processing device module CPU simultaneously, the bus interface input end of BUS bus communication power module is realized being connected with the nonpolarity of external bus by preposition electric bridge, is realized the power supply and the communication of taximeter simultaneously by two leads.
2. the central air conditioner taximeter based on the BUS bus according to claim 1, it is characterized in that: also contain valve state and detect and control module, the valve state detection module adopts optocoupler 521 to realize the strong and weak electricity isolation, the input end of valve state detection module connects the valve working power supply, and the isolation output terminal of valve state detection module is the I/O interface of valve state output terminal connection processing device module CPU; It is the master control device that the valve control module adopts 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, the two ends of its control output are connected in series in the valve working electric power loop, realize the arrearage forbidding.
3. the central air conditioner taximeter based on the BUS bus according to claim 1 and 2, 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 adopts isolation module to connect with being connected of processor module CPU communication interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201348111U CN201034615Y (en) | 2006-11-29 | 2006-11-29 | Central air-conditioning fare register based on BUS bus |
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| CNU2006201348111U CN201034615Y (en) | 2006-11-29 | 2006-11-29 | Central air-conditioning fare register based on BUS bus |
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| CN201034615Y true CN201034615Y (en) | 2008-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389759A (en) * | 2018-12-26 | 2019-02-26 | 广州柏诚智能科技有限公司 | VRV central air conditioner system charge system and its charging method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109389759A (en) * | 2018-12-26 | 2019-02-26 | 广州柏诚智能科技有限公司 | VRV central air conditioner system charge system and its charging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Central air-conditioning fare register based on BUS bus Effective date of registration: 20110915 Granted publication date: 20080312 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. Registration number: 2011990000349 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20121011 Granted publication date: 20080312 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. Registration number: 2011990000349 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Central air-conditioning fare register based on BUS bus Effective date of registration: 20121011 Granted publication date: 20080312 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. Registration number: 2012990000594 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20131025 Granted publication date: 20080312 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. Registration number: 2012990000594 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Central air-conditioning fare register based on BUS bus Effective date of registration: 20131025 Granted publication date: 20080312 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. Registration number: 2013990000790 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Free format text: FORMER NAME: CHUNQUAN NUANTONG ENERGY SAVING EQUIPMENT CO., LTD., ZHENGZHOU |
|
| CP03 | Change of name, title or address |
Address after: 450003 Henan Province, Zhengzhou high tech Development Zone Chuk Street No. 6 Building 1 1 unit 8 floor No. 13 Patentee after: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Address before: 450003, Henan, Zhengzhou province Bauhinia Road No. 51 purple Ting business 6E Patentee before: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141127 Granted publication date: 20080312 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Registration number: 2013990000790 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20141127 Registration number: 2013990000790 Pledgor after: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Pledgor before: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20151129 |