CN104965459A - Central air conditioning water pump intelligent drive device based on embedded technology, and air conditioner - Google Patents
Central air conditioning water pump intelligent drive device based on embedded technology, and air conditioner Download PDFInfo
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- CN104965459A CN104965459A CN201510386694.1A CN201510386694A CN104965459A CN 104965459 A CN104965459 A CN 104965459A CN 201510386694 A CN201510386694 A CN 201510386694A CN 104965459 A CN104965459 A CN 104965459A
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- water pump
- air conditioner
- drive device
- central air
- intelligent drive
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a central air conditioning water pump intelligent drive device based on an embedded technology, and an air conditioner. The central air conditioning water pump intelligent drive device includes a control circuit board, an operation display panel for operating a display device, and a frequency converter for driving a water pump to function and adjusting the frequency of the water pump. The control circuit board includes a single-chip microcomputer for carrying out parameter operation and control for the water pump, an RS485 interface, a display drive circuit, and a first DI interface circuit. The frequency converter is connected to the single-chip microcomputer through the RS485 interface. A liquid crystal screen in the operation display panel is connected to the single-chip microcomputer through the display drive circuit. Buttons in the operation display panel are connected to the single-chip microcomputer through the first DI interface circuit. The adopted control circuit board is connected to the frequency converter, and adjusts the running frequency of the water pump on the basis of loads through the frequency converter. In this way, the air conditioner is monitored comprehensively and managed effectively, and abundant running data and management control functions are provided, and also energy consumption is reduced.
Description
Technical field
The present invention relates to airconditioning control field, particularly relate to a kind of water pump of central air conditioner intelligent drive device based on embedded technology and air-conditioning.
Background technology
Energy scarcity is a significant challenge of modern society, in order to efficent use of resources, reduces the waste of society to the energy, thus building conservation-minded society, China carries forward vigorously Urbanization Construction, concentrates population, unified configuration, thus, also gets more and more to the demand of heavy construction.Central air conditioner is the visual plant of heavy construction, and average energy consumption accounts for more than 40% of building total energy consumption, the control of central air conditioner for whole building whether can Effec-tive Function very important.
Existing central air conditioner system generally still adopts traditional Simple control device, and this apparatus function is simple, is difficult to the needs meeting modern architecture, such device mainly there is lower column defects:
Only have simple on off control, can not conditioning equipment running status according to demand, improve equipment operating efficiency, reduce and establish reserved energy;
Lack necessary defencive function, can not effectively ensure device security and personal safety;
Equipment wiring is complicated, installation and maintenance difficulty;
Lack necessary management function, cannot effectively manage central air conditioner system equipment.
Summary of the invention
The invention provides a kind of water pump of central air conditioner intelligent drive device based on embedded technology and air-conditioning, it take single-chip microcomputer as the control circuit board of core by what adopt embedded technology exploitation, control circuit board is connected with frequency converter, control circuit board regulates the running frequency of water pump by frequency converter according to load, computing for parameter is provided simultaneously, realize the overall monitor to air-conditioning and effectively management, while abundant service data and management and control function are provided, reduce energy consumption.
For realizing above-mentioned design, the present invention by the following technical solutions:
Adopt a kind of water pump of central air conditioner intelligent drive device based on embedded technology on the one hand, comprise: control circuit board, for operate display device run operation display board and for driving water pump operation, regulate the frequency converter of water pump frequency, described control circuit board comprises single-chip microcomputer, RS485 interface, display driver circuit and a DI interface circuit for carrying out parameter computing and control to described water pump; Described frequency converter is connected by RS485 interface with described single-chip microcomputer; Liquid crystal display in described operation display board is connected by display driver circuit with described single-chip microcomputer, and the button in described operation display board is connected by a DI interface circuit with described single-chip microcomputer.
Wherein, described control circuit board also comprises the electrical quantity Acquisition Circuit for detection of grid voltage and running current, and the data output end of described electrical quantity Acquisition Circuit is connected with described single-chip microcomputer.
Wherein, described control circuit board also comprises a DO interface circuit, and described control circuit board also comprises pilot lamp, and described pilot lamp is connected by a DO interface circuit with described single-chip microcomputer.
Wherein, described control circuit board also comprises the 2nd DO interface circuit, and described 2nd DO interface circuit is used for DO signal to be sent to monitoring outlay.
Wherein, described control circuit board also comprises the 2nd DI interface circuit, the DI signal that described 2nd DI interface circuit sends for accessing operating external device.
Wherein, described single-chip microcomputer is also for showing for generating state parameter, electrical quantity, alarm, statistical study and running log and being sent to liquid crystal display.
Wherein, described pilot lamp comprises long-range pilot lamp, on the spot pilot lamp, run indicator and malfunction indicator lamp.
Wherein, described button comprise remote key-press, on the spot button, start button, stop key, raising frequency button and frequency reducing button.
A kind of air-conditioning, comprises the water pump of central air conditioner intelligent drive device described in aforementioned any one on the other hand.
Beneficial effect of the present invention is: take single-chip microcomputer as the control circuit board of core by what adopt embedded technology exploitation, control circuit board is connected with frequency converter, control circuit board regulates the running frequency of water pump by frequency converter according to load, computing for parameter is provided simultaneously, realize the overall monitor to air-conditioning and effectively management, while abundant service data and management and control function are provided, reduce energy consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is the block diagram of the first embodiment of a kind of water pump of central air conditioner intelligent drive device based on embedded technology provided in the specific embodiment of the invention.
Fig. 2 is the block diagram of the second embodiment of a kind of water pump of central air conditioner intelligent drive device based on embedded technology provided in the specific embodiment of the invention.
Fig. 3 is a kind of organization chart based on the displaying contents of liquid crystal display in the water pump of central air conditioner intelligent drive device of embedded technology provided in the specific embodiment of the invention.
Embodiment
The technical matters solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, it is the block diagram of the first embodiment of a kind of water pump of central air conditioner intelligent drive device based on embedded technology provided in the specific embodiment of the invention.As shown in the figure, this water pump of central air conditioner intelligent drive device, comprise: control circuit board, for operate display device run operation display board and for driving water pump operation, regulate the frequency converter of water pump frequency, described control circuit board comprises single-chip microcomputer, RS485 interface, display driver circuit and a DI interface circuit for carrying out parameter computing and control to described water pump; Described frequency converter is connected by RS485 interface with described single-chip microcomputer; Liquid crystal display in described operation display board is connected by display driver circuit with described single-chip microcomputer, and the button in described operation display board is connected by a DI interface circuit with described single-chip microcomputer.
Frequency converter is water pump of central air conditioner intelligent drive device directly implements driving and frequency adjustment unit to water pump.This unit Direct driver water pump operation, regulates water pump frequency.Frequency converter and single-chip microcomputer adopt communication modes to be connected, and can receive MCU Instruction and upper transmit transducer state easily.
Single-chip microcomputer mainly completes the controlling functions of water pump of central air conditioner intelligent drive device, computing function, analytic function and writing function.
In sum, take single-chip microcomputer as the control circuit board of core by what adopt embedded technology exploitation, control circuit board is connected with frequency converter, control circuit board regulates the running frequency of water pump by frequency converter according to load, computing for parameter is provided simultaneously, realize the overall monitor to air-conditioning and effectively management, while abundant service data and management and control function are provided, reduce energy consumption.
Please refer to Fig. 2, it is the block diagram of the second embodiment of a kind of water pump of central air conditioner intelligent drive device based on embedded technology provided in the specific embodiment of the invention.
As shown in the figure, further, described control circuit board also comprises the electrical quantity Acquisition Circuit for detection of grid voltage and running current, and the data output end of described electrical quantity Acquisition Circuit is connected with described single-chip microcomputer.
The electrical quantity Acquisition Circuit of water pump of central air conditioner intelligent drive device; For monitoring water pump of central air conditioner intelligent drive device line voltage and running current, and calculate operate power, mains frequency, power factor and accumulative electricity etc. thus.Electrical quantity Acquisition Circuit is connected with single-chip microcomputer, and by this connection, correlation parameter is uploaded to single-chip microcomputer, then does further data analysis and data processing by single-chip microcomputer.
Optionally, described control circuit board also comprises a DO interface circuit, and described control circuit board also comprises pilot lamp, and described pilot lamp is connected by a DO interface circuit with described single-chip microcomputer.
One DO interface circuit is for connecting single-chip microcomputer and pilot lamp, and by this circuit, single-chip microcomputer can be sent to pilot lamp status indication information.
Optionally, described control circuit board also comprises the 2nd DO interface circuit, and described 2nd DO interface circuit is used for DO signal to be sent to monitoring outlay.
By the 2nd DO interface circuit, single-chip microcomputer can be connected with monitoring outlay, DO signal is sent to monitoring outlay, and monitoring outlay mentioned here can be that other mobile terminal, memory devices etc. can realize data transmission and the equipment that can show data or store.
Because a DO interface circuit is identical with the structure of the second interface circuit, do not do detailed differentiation in fig. 2.
Optionally, described control circuit board also comprises the 2nd DI interface circuit, the DI signal that described 2nd DI interface circuit sends for accessing operating external device.
Similar with the 2nd DO interface circuit, the 2nd DI interface circuit is spare interface, for accessing operating external device.
Further, described single-chip microcomputer is also for showing for generating state parameter, electrical quantity, alarm, statistical study and running log and being sent to liquid crystal display.The organization chart of concrete displaying contents as shown in Figure 3.
The subclass of concrete each large parameter is as follows:
State parameter comprises:
On the spot long-range: water pump of central air conditioner intelligent drive device is long-range or indicate with regard to ground mode.Long-rangely can be switched by button operation with regard to ground mode, or to be remote mode, or be with regard to ground mode;
Running status: water pump of central air conditioner intelligent drive device running status indicates.These data are detected by frequency converter, then adopt communication mode to be uploaded to single-chip microcomputer;
Output frequency: water pump of central air conditioner intelligent drive device output loop frequency.These data are detected by frequency converter, then adopt communication mode to be uploaded to single-chip microcomputer;
Load factor: load factor=operate power/rated power.These data calculate acquisition by single-chip microcomputer according to operate power and rated power;
Calculated flow rate: calculated flow rate=output frequency/rated frequency * rated flow.These data calculate acquisition by single-chip microcomputer according to output frequency, rated power and rated flow;
Energy efficiency coefficient: energy efficiency coefficient=output frequency/rated frequency * rated power/operate power.These data calculate acquisition by single-chip microcomputer according to output frequency, rated frequency, rated power and operate power.
Electrical quantity comprises:
Line voltage: the incoming power voltage of water pump of central air conditioner intelligent drive device, comprises A phase, B phase and C phase voltage.Line voltage is gathered by electrical quantity Acquisition Circuit;
Running current: the incoming power electric current of water pump of central air conditioner intelligent drive device, comprises A phase, B phase and C phase current.Running current by electrical quantity Acquisition Circuit through current transformer collection;
Mains frequency: the incoming power frequency of water pump of central air conditioner intelligent drive device.Mains frequency calculates acquisition by electrical quantity Acquisition Circuit according to the line voltage collected and running current;
Operate power: the inlet wire power of water pump of central air conditioner intelligent drive device.Operate power calculates acquisition by electrical quantity Acquisition Circuit according to the line voltage collected and running current;
Power factor: the incoming power power factor of water pump of central air conditioner intelligent drive device.Power factor calculates acquisition by electrical quantity Acquisition Circuit according to the line voltage collected and running current;
Accumulative electricity: the inlet wire of water pump of central air conditioner intelligent drive device adds up power consumption.Accumulative electricity calculates accumulative acquisition by electrical quantity Acquisition Circuit according to operate power.
Alarm comprises:
Poor efficiency is pointed out: when energy efficiency coefficient is lower than setting value, the prompting of display poor efficiency, and reminding user improves efficiency;
Maintenance prompting: when working time is to setting value after overhauling, display maintenance prompting, reminding user repair apparatus;
Fault alarm: when a failure occurs, display fault alarm, reminding user maintenance process.
Statistical study comprises:
Average daily output frequency: water pump of central air conditioner intelligent drive device output frequency work as daily mean;
Average daily load factor: water pump of central air conditioner intelligent drive device load factor work as daily mean;
Average daily energy efficiency coefficient: the mean value at that time of water pump of central air conditioner intelligent drive device energy efficiency coefficient;
The same day consumes power: water pump of central air conditioner intelligent drive device is when the electricity of daily consumption;
Working time on the same day: water pump of central air conditioner intelligent drive device accumulated running time on the same day;
Accumulated running time: total accumulated running time of water pump of central air conditioner intelligent drive device;
Working time after maintenance: water pump of central air conditioner intelligent drive device is accumulated running time after last maintenance.
Running log comprises:
Logout: the run case record of water pump of central air conditioner intelligent drive device, mainly comprises: running status converts, enter upper frequency limit running status, exit upper frequency limit running status, enter lower-frequency limit running status, exit lower-frequency limit running status, poor efficiency is pointed out, maintenance is pointed out;
Operation note: the Action Events record of water pump of central air conditioner intelligent drive device, mainly comprises: switch to remote mode, switch to regard to ground mode, starter gear, stop device etc.
Failure logging: the operation troubles record of water pump of central air conditioner intelligent drive device, mainly comprises: equipment failure, communication failure etc.
Optionally, described pilot lamp comprises long-range pilot lamp, on the spot pilot lamp, run indicator and malfunction indicator lamp.
When long-range pilot lamp lights, represent that water pump of central air conditioner intelligent drive device is in remote mode, in this mode, can be started, stop and regulating the running status of water pump of central air conditioner intelligent drive device by communication modes.
When pilot lamp lights on the spot, represent that water pump of central air conditioner intelligent drive device is in regard to ground mode, in this mode, can be started, stop and regulating the running status of water pump of central air conditioner intelligent drive device by the button on device.
When run indicator lights, represent that water pump of central air conditioner intelligent drive device is in running status, when this pilot lamp extinguishes, represent that this device is in halted state.
When malfunction indicator lamp lights, represent that water pump of central air conditioner intelligent drive device is in malfunction, when this pilot lamp extinguishes, represent that this device is in normal condition.
Optionally, described button comprise remote key-press, on the spot button, start button, stop key, raising frequency button and frequency reducing button.
Operating remote button, water pump of central air conditioner intelligent drive device switches to remote mode.
Operate button on the spot, water pump of central air conditioner intelligent drive device switches to regard to ground mode.
When water pump of central air conditioner intelligent drive device is in regard to ground mode and halted state, if operation start button, water pump of central air conditioner intelligent drive device starts and brings into operation.
When water pump of central air conditioner intelligent drive device is in regard to ground mode and running status, if operation stops key, water pump of central air conditioner intelligent drive device is out of service.
When water pump of central air conditioner intelligent drive device is in regard to ground mode and running status, if operation raising frequency button, water pump of central air conditioner intelligent drive device frequency rises thereupon.
When water pump of central air conditioner intelligent drive device is in regard to ground mode and running status, if operation frequency reducing button, water pump of central air conditioner intelligent drive device frequency declines thereupon.
Additionally provide a kind of air-conditioning in the specific embodiment of the invention, comprise the water pump of central air conditioner intelligent drive device described in aforementioned any one.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (9)
1. the water pump of central air conditioner intelligent drive device based on embedded technology, it is characterized in that, comprise: control circuit board, for operate display device run operation display board and for driving water pump operation, regulate the frequency converter of water pump frequency, described control circuit board comprises single-chip microcomputer, RS485 interface, display driver circuit and a DI interface circuit for carrying out parameter computing and control to described water pump; Described frequency converter is connected by RS485 interface with described single-chip microcomputer; Liquid crystal display in described operation display board is connected by display driver circuit with described single-chip microcomputer, and the button in described operation display board is connected by a DI interface circuit with described single-chip microcomputer.
2. water pump of central air conditioner intelligent drive device according to claim 1, it is characterized in that, described control circuit board also comprises the electrical quantity Acquisition Circuit for detection of grid voltage and running current, and the data output end of described electrical quantity Acquisition Circuit is connected with described single-chip microcomputer.
3. water pump of central air conditioner intelligent drive device according to claim 1, it is characterized in that, described control circuit board also comprises a DO interface circuit, and described control circuit board also comprises pilot lamp, and described pilot lamp is connected by a DO interface circuit with described single-chip microcomputer.
4. water pump of central air conditioner intelligent drive device according to claim 3, is characterized in that, described control circuit board also comprises the 2nd DO interface circuit, and described 2nd DO interface circuit is used for DO signal to be sent to monitoring outlay.
5. water pump of central air conditioner intelligent drive device according to claim 1, is characterized in that, described control circuit board also comprises the 2nd DI interface circuit, the DI signal that described 2nd DI interface circuit sends for accessing operating external device.
6. water pump of central air conditioner intelligent drive device according to claim 1, is characterized in that, described single-chip microcomputer is also for generating state parameter, electrical quantity, alarm, statistical study and running log and being sent to liquid crystal display display.
7. water pump of central air conditioner intelligent drive device according to claim 3, is characterized in that, described pilot lamp comprises long-range pilot lamp, on the spot pilot lamp, run indicator and malfunction indicator lamp.
8. water pump of central air conditioner intelligent drive device according to claim 1, is characterized in that, described button comprises remote key-press, on the spot button, starts button, stops key, raising frequency button and frequency reducing button.
9. an air-conditioning, is characterized in that, comprises the water pump of central air conditioner intelligent drive device described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386694.1A CN104965459A (en) | 2015-07-03 | 2015-07-03 | Central air conditioning water pump intelligent drive device based on embedded technology, and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386694.1A CN104965459A (en) | 2015-07-03 | 2015-07-03 | Central air conditioning water pump intelligent drive device based on embedded technology, and air conditioner |
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| CN104965459A true CN104965459A (en) | 2015-10-07 |
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| CN201510386694.1A Pending CN104965459A (en) | 2015-07-03 | 2015-07-03 | Central air conditioning water pump intelligent drive device based on embedded technology, and air conditioner |
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| CN202853057U (en) * | 2012-09-20 | 2013-04-03 | 浙江为民能源科技有限公司 | Central air-conditioning water pump frequency conversion energy-saving system based on internet of things |
| CN103574834A (en) * | 2012-07-30 | 2014-02-12 | 同方泰德国际科技(北京)有限公司 | Energy-saving control cabinet of air conditioning unit |
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2015
- 2015-07-03 CN CN201510386694.1A patent/CN104965459A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002033327A1 (en) * | 2000-10-16 | 2002-04-25 | Daikin Industries,Ltd. | Setback timer of air conditioner, air conditioning system, and method of setting setback timer display |
| EP1327832A1 (en) * | 2000-10-19 | 2003-07-16 | Daikin Industries, Ltd. | Remote controller for air conditioner and air conditioner |
| CN1854626A (en) * | 2005-04-25 | 2006-11-01 | 李钢 | Long-distance monitoring optimized energy-saving controller and controlling method for central air-conditioner system |
| CN201318774Y (en) * | 2008-11-24 | 2009-09-30 | 郝光宗 | Energy-saving control device for water circulating pump of central air-conditioner |
| CN102052739A (en) * | 2010-12-27 | 2011-05-11 | 重庆大学 | Central air conditioner intelligent control system based on wireless sensor network and method |
| CN103574834A (en) * | 2012-07-30 | 2014-02-12 | 同方泰德国际科技(北京)有限公司 | Energy-saving control cabinet of air conditioning unit |
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Application publication date: 20151007 |