Summary of the invention
Because prior art can not effectively realize control to the air cleaning process, the air cleaning unit that provides a kind of running status to be convenient to control is provided the technical problem that the present invention solves.
On this basis, another technical problem that the present invention solves provides a kind of parameter that can store the mode of operation that needs in the different air ambients, can adapt to the air cleaning unit that different working environments is purified.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of air cleaning unit is provided, comprises being used for clean unit that surrounding air is purified, also comprise:
Data interface unit, described data interface unit are used to set up the data channel between described air cleaning unit and the external data treatment system;
Control module, described control module connects data interface unit and clean unit, is used to control the running of described data interface unit and clean unit, the operational order of response external data handling system.
The present invention further improves and is: also comprise memory cell, described memory cell connects control module, is used for the external memory function of storage environment air quality data and realization data.
Wherein, also comprise detecting unit, described detecting unit connects control module, is used for the testing environment air quality and the data that obtain are sent to control module, and described control module is regulated the air cleaning process and/or stored the air quality data that obtains into memory cell according to the data that detect.
Wherein, described detecting unit comprises temperature sensor, humidity sensor, CO2 content level sensor, CO content level sensor, content of formaldehyde sensor, benzene content level sensor, toluene level sensor, xylene content sensor, ammonia content sensor, sulfur dioxide, nitrogen dioxide content level sensor, anion gatherer and/or comprehensive sensor.
Wherein, also comprise input-output unit, be used for display working condition and/or input operation order.
Wherein, described air cleaning unit draws power for operation or carries working power from the external data treatment system by data interface unit.
Wherein, described clean unit comprises anion generator, negative ion and ozone generator and/or nano photo-catalytic clarifier.
Wherein, described data interface unit comprises one or more of GSM interface, GPRS interface, CDMA interface, 2.75G interface, 3G interface, pcmcia interface, Serial ata interface, IDE/SCSI interface, RS232 interface, RS485 interface, SPI interface, USB OTG (USB On-The-Go) interface, UWB (UltraWide Band) interface, GPIO interface, UART interface, USB interface, IEEE1394 interface, blue tooth interface, IrDA infrared interface, HomeRF interface, IEEE802.11x series interfaces or IEEE802.16x interface.
Wherein, described memory cell comprises flash memory, hard disk, portable hard drive, MRAM (magnetic RAM), DRAM (dynamic RAM), EEPROM (eeprom), SRAM (SRAM), SDRAM (Synchronous dynamic RAM) and/or FRAM (ferroelectric memory).
Wherein, described control module comprises communication controler, air cleaning controller and storage control; Described communication controler is used to control connection and the exchanges data between described air cleaning unit and the external data treatment system; Described air cleaning controller is used to control air cleaning work; Described storage control is used for the data storage of control store unit.
With respect to prior art, the invention has the beneficial effects as follows: at first, owing to the work of air cleaning unit of the present invention by control module control clean unit, can be according to the condition of setting, operate as work period etc., thus energy savings and reduce potential safety hazard; Secondly, the present invention also has data interface unit, can realize with the external data treatment system be connected and exchanges data the operational order of response external data handling system.
In addition, the control program by cell stores purification work during the present invention further improves, thus can be implemented in when not connecting the external data treatment system control to clean unit; Can also store the mode of operation under the different air ambients, thereby expand the application of air cleaning unit; Can also realize the external memory function of external data treatment system by memory cell.In addition, also provide with control module to be connected the also detecting unit of controlled unit controls, the testing environment air quality can also be passed through the cell stores detected value with further raising control efficiency in real time.
The specific embodiment
Seeing also Fig. 1, is the theory diagram of air cleaning unit of the present invention.Described air cleaning unit 100 is connected with external data treatment system 200, can from external data treatment system 200 draw power for operation and and external data treatment system 200 between carry out the operational order of exchanges data and response external data handling system 200.
Among the present invention, the various electronic equipments that data-handling capacity is arranged of described outer data data handling system 200 general references include but not limited to various personal computers, minicom, data processing work station and various exclusive data treatment system with external memory function.
Described air cleaning unit 100 comprises data interface unit 120, control module 110 and clean unit 130; Described data interface unit 120 is used for control module 110 and connects with described external data treatment system 200 and carry out exchanges data, also is used for drawing from external data treatment system 200 working power of air supply purifier 100 operations; Described clean unit 130 is used for surrounding air is carried out purified treatment; Described control module 110 is connected with aforementioned each unit, be used to control each unit running, order and packet from external data treatment system 200 are handled.The two-way transmission of data is all supported in connection in the described air cleaning unit 100 between each unit.
For the mass parameter of testing environment air, control the work of clean unit 130 targetedly, described air cleaning unit 100 also comprises the detecting unit 140 that is connected with control module 110.
Carry out exchanges data for the data of the control program that is used to store described air cleaning unit 100 and the surrounding air that detected and with external data treatment system 200, realize the external memory function of data, described air cleaning unit 100 also comprises the memory cell 150 that is connected with control module 110.
Described data interface unit 120 can be served as the data I/O channel of air cleaning unit 100, can adopt but be not limited to USB interface, pcmcia interface, Serial ata interface, IDE/SCSI interface, RS232 interface, RS485 interface, SPI interface, USB OTG (USB On-The-Go) interface, GPIO interface, UART interface, IEEE1394 interface, IEEE802.11x series interfaces or IEEE802.16x interface one or more etc. wired interface unit; Also can be radio interface unit such as blue tooth interface, 802.11 interfaces, GSM interface, GPRS interface, 2.75G interface, 3G interface, CDMA interface, UWB (UltraWide Band) interface, IrDA infrared interface, HomeRF interface.By described data interface unit 120, control module 110 can be realized communicate by letter with external data treatment system 200, thus can to 150 storages of the memory cell in the air cleaning unit 100 comprise air quality parameters data, the mass parameter or the user file of the surrounding air of detecting unit 140 detections can be sent to external data treatment system 200.When described data interface unit 120 adopted USB interface, air cleaning unit 100 required working powers can be drawn from external data treatment system 200 by USB interface, also can adopt self-powered 160 certainly.
Need further be pointed out that, if the data interface unit of air cleaning unit 100 120 adopts radio interface unit, as blue tooth interface, 802.11 interfaces, GSM interface, GPRS interface, CDMA interface, 2.75G interface, 3G interface, UWB (Ultra Wide Band) interface, IrDA infrared interface, HomeRF interface unit in any interior mode, and other can not be from any interface of interface power taking, it is self-powered 160 that air cleaning unit 100 must adopt, described self-powered can be galvanic cell, rechargeable battery etc.
These control module 110 controls and the operation of coordinating other each unit, the qualitative data that comprises the surrounding air that detecting unit 140 is imported is handled, and the result that will handle is sent to memory cell 150 storages, by running to the analysis and Control clean unit 130 of data result, and memory cell 150 operated, carry out exchanges data with external data treatment system 200.
Described control module 110 comprises communication controler, air cleaning controller and storage control (figure does not show); Described communication controler is used to control the connection between described air cleaning unit 100 and the external data treatment system 200, realizes the agreement of interface, and exchanges data; Described air cleaning controller is used to control air cleaning member 130 and detecting unit 140 work; Described storage control is used for 150 operations of control store unit, realizes the data storage.Aforementioned communication controller, air cleaning controller and storage control can independently exist, and also can be integrated into an one chip.
Described control module 110 is solidified with the solidification software of realizing interface standard function and executable operations request, support the interface of multiple various criterion, comprise parallel, serial line interface and/or wave point, the data that are used to control between the described interface connect, explain, conversion, control and the agreement of transmitting described various criterion interface: it is parallel to comprise that identification is connected, the type of serial and/or wave point, and selection corresponding interface agreement, being connected between initialization air cleaning unit 100 and the external data treatment system 200, realize exchanges data between air cleaning unit 100 and external data treatment system 200 and the memory cell 150 according to the method for normalizing of the corresponding interface standard agreement.
The control of 110 pairs of each unit of control module can be that directly operation is stored in memory cell 150 programmed instruction with coordinating, instruction according to the program operation realizes other each unit operation control, control module 110 also can be realized other each unit controls by the execution to 200 instructions of data treatment system according to external data treatment system 200 command requests.
Need be pointed out that simultaneously the operation of 110 pairs of each unit of control module can be carried out simultaneously, specifically with regard to control module 110 when memory cell 150 being carried out data storages, can control the operation of detecting unit 140 and/or clean unit 130.
Described clean unit 130 is accepted the control of control module 110, realizes the purification to surrounding air.It can adopt anion generator to produce the anion fine-purification air, can make the aerosols such as microorganism of dust, smog, spittle water droplet and suspension be easy to coagulation, reduces the content of impurity in the air; According to purification requirement to surrounding air, if desire is removed the peculiar smell in the surrounding air, improve the comfort level of high air, clean unit 130 can also increase ozone generator.Anion generator and ozone generator can be integrated into same device, also can be divided into two independent device and produce anion and ozone respectively.When adopting same device to realize, anion generator can adopt the piezoelectric type anion generator, and this piezoelectric type anion generator mainly comprises piezoelectric ceramic transformer, spray point, anion release.Utilize piezoelectric ceramic transformer to produce high pressure, different voltage is produced negative high voltage by circuit conversion, voltage multiplying rectifier, form high-voltage corona discharge and discharge anion, in air, discharge anion via spray point, anion release again; Simultaneously, be accompanied by the generation of anion, a certain amount of ozone ion of corresponding generation.
If will realize the purification to pernicious gas, bacterium or other gas with foreign flavor in the surrounding air, clean unit 130 can also adopt ultraviolet light to add the mode of nanometer photocatalyst.
The method that ultraviolet light adds the nanometer photocatalyst is to be subjected to produce hydroxyl free radical behind the light by nano photo-catalytic, the purpose that the decomposition that utilizes hydroxyl free radical to accelerate organic substance and gas reaches deodorizing, purifies air.For this method, nano photo-catalytic produces the intensity of the ultraviolet light that hydroxyl free radical speed can produce by ultraviolet lamp tube and controls, and the control of the intensity of ultraviolet light can realize by the voltage of control module 110 control ultraviolet lamp tubes.Be understandable that the ultraviolet light that ultraviolet lamp tube produces also can be killed the bacterium in the surrounding air synchronously when promoting that nano photo-catalytic produces hydroxyl free radical.In addition, ultraviolet lamp tube produces and also can use separately, accepts the control of control module 110, the bacterium of surrounding air is killed cleaning ambient air.
Described detecting unit 140 is mainly used in the mass parameter of testing environment air, can adopt two kinds of direct Detection Method and indirect detection methods to the detection of ambient air quality parameter.Direct Detection Method is by sampled targets in the surrounding air is directly carried out sample detecting, as directly passing through collection analysis dust, bacterium, temperature, humidity, ozone, environment CO
2And the relative amount of CO, determine the quality index of surrounding air.Indirect detection is the content by anion in the testing environment air, and the quality of the assay surrounding air by the anion that air contained.
Described detecting unit 140 can be selected the comprehensive air borne sensor of high integration for use, described comprehensive air borne sensor is accepted the control of control module 110 the ambient air quality parameter is carried out comprehensive detection, type according to selected comprehensive air borne sensor, can reach dust degree, ozone, bacterium, CO to temperature, the humidity that comprises surrounding air
2, CO relative amount detect in interior all or part of parameter.Comprehensive air borne sensor also can be according to the instruction of control module 110, the single or multiple mass parameters of timesharing or simultaneously selectable testing environment air, these single or multiple mass parameters can be handled according to the part or all of control module 110 of reportedly delivering to of the requirement of control module 110, and utilize memory cell 150 to store, or be sent to external data treatment system 200 through data interface unit 120 and store and handle.
Detecting unit 140 is except the comprehensive air borne sensor of selecting high integration for use, also can be according to actual detected needs to surrounding air, select the single-sensor with simple function or the sensor combination of a plurality of tool simple functions for use, the sensor of described simple function includes but not limited to temperature sensor, humidity sensor, the CO content level sensor, the dust content sensor, the CO2 content level sensor, the CO content level sensor, the content of formaldehyde sensor, the benzene content level sensor, the toluene level sensor, the xylene content sensor, the ammonia content sensor, sulfur dioxide, nitrogen dioxide content level sensor etc.For according to detect require needs to use the sensor of a plurality of tool simple functions the time, can set up electric data with control module 110 by a multiplex interface and be connected, the control of accepting control module 110 detects the mass parameter of surrounding air.
Described memory cell 150 is connected with described control module 110, and accepts the control of control module 110.The storage medium of described memory cell 150 can be selected flash memory (Flash Memory) for use, and except flash memory, the storage medium of memory cell 150 includes but not limited to magnetizing mediums, as hard disk, portable hard drive, MicroDrive etc.; Or other semiconductor storage medium, as MRAM, DRAM, EEPROM, SRAM, SDRAM, FRAM, MRAM or Millipede etc.
Described memory cell 150 is mainly used in the reference data of the multiple ambient air quality index of storage, as be primarily aimed at the parameter that industry make to require to emphasize dust, humidity or dustless super-clean environment, at temperature, the common work of bacterial content requirement, the parameter of living environment, the parameter of the health environment of the certain anion concentration of needs and the ambient air quality parameter of temporarily setting according to instructions for use.Described memory cell 150 can also be stored the parameter of quality that is detected and handled through control module 110 the relevant surrounding air of gained by detecting unit 140.Except the air quality parameters of various environmental patterns, memory cell 150 can also be stored the various programs of air cleaning unit 100 operations, makes that air cleaning unit 100 can operation automatically under the situation that does not connect external data treatment system 200.Described memory cell 150 can also be stored identification code, is used for encryption and ID authentication mechanism are set in the operation of each unit respectively.
See also Fig. 1 and Fig. 2, when described air cleaning unit 100 connects external data treatment systems 200, operational order that can response external data handling system 200.
When described air cleaning unit 100 inserted external data treatment system 200,200 pairs of described air cleaning units 100 of external data treatment system carried out identification work.Detect the data interface unit 120 of identification air cleaning unit 100 correspondences, external data treatment system 200 is sent inquiry information, according to replying of air cleaning unit 100 air cleaning unit 100 is carried out initial configuration.
Next, air cleaning unit 100 execution in step S1 receive the instruction that external data treatment system 200 is sent; Air cleaning unit 100 confirms whether this user has the operating right to air cleaning unit 100, if this user has operating right, execution in step S2 then, type according to the form decision instruction of instructing, and implement sub-process P1, P2, P3, P4 and P5 respectively, carry out this operational order and to outside data handling system 200 return results.
Sub-process P1 is the read data operation, and the specific data in the memory cell 150 is read out.At first, the control module 110 execution in step S3 of air cleaning unit 100, reading command data designated from memory cell 150; If the data that read need deciphering, then implementation step S4 is decrypted operation to data; If need not deciphering, then directly read; If read the data success, then implementation step S5 returns to external data treatment system 200 successful information; If read operation is unsuccessful, then return failure information.After above-mentioned instruction was finished, air cleaning unit 100 continued wait external data treatment system 200 and assigns next operational order.Control module 110
Sub-process P2 is a data writing operation, specific data is write in the memory cell 150 of air cleaning unit 100.If the data that write need to encrypt, then implementation step S6 carries out cryptographic operation to data; If need not to encrypt, then execution in step S7 transmits specific data and the memory cell 150 of writing direct; If operate successfully, then implementation step S8 returns success information, otherwise returns failure information.After above-mentioned instruction was finished, air cleaning unit 100 continued wait external data treatment system 200 and assigns next operational order.
Sub-process P3 is a detecting operation, and control module 110 is implementation step S9 at first, and the 140 pairs of surrounding airs in start detection unit detect, and execution in step S10, returns data, systematic parameter or other information of detecting.Wait the processing next instruction simultaneously, continue to detect or stop to detect.
Sub-process P4 is the air cleaning operation, and control module 110 implementation step S11 start 130 pairs of surrounding airs of clean unit and purify, and retrieval system parameter or response message are assigned halt instruction up to control module 110.
Sub-process P5 removes the air cleaning unit operation, and control module 110 implementation step S12 preserve relevant information, discharge air cleaning unit 100; The user removes air cleaning unit 100 from the interface of external data treatment system 200, the operating process of whole system finishes.The so-called process that discharges is meant the binding of the operating system releasing of underlying operating system notice external data treatment system 200 to air cleaning unit 100.
Seeing also Fig. 3, is the flow chart that 100 pairs of surrounding airs of air cleaning unit of the present invention detect and purify.
At first call the air detection that is stored in the memory cell 150 and purify control program, and send the operational order of start detection unit 140 to air cleaning unit 100 by external data treatment system 200.
After control module 110 is received operational order, implementation step D1 at first, start detection unit 140, comprise to detecting unit 140 and powering on, instruction is surveyed in concurrent censorship, detecting unit 140 is according to the instruction from control module 110, the quality of surrounding air detected, and give control module 110 with the result transmission that detects.
Control module 110 judges whether to need to preserve testing result, if do not need, judges directly then whether testing result meets the parameter that prestores; If desired, then execution in step D2 should detect data according to setting and be stored in memory cell 150 or directly be sent to external data treatment system 200 through data interface unit 120, so that ambient air quality is analyzed; Then, judge whether testing result meets the parameter that prestores.
External data treatment system 200 is called the default air quality reference value of relative this operational mode of storage in the memory cell 150 according to the program of being moved, and testing result and this reference value that prestores are compared; If the quality of the surrounding air that detects is not inferior to the reference value that this prestores, show that ambient air quality meets the requirements, then select to finish operation or execution in step D3 according to the setting of program, according to the cycle wait of setting, and start detection unit 140 again, again surrounding air is detected, this time cycle can be set as required.
If the quality of the surrounding air that is detected is inferior to this reference value that prestores, then control module 110 execution in step D4 start the work of clean unit 130, and surrounding air is purified; Purifying week regular hour after date, control module 110 is according to prestoring condition, and the 140 pairs of surrounding airs in start detection unit detect, so circulation, and the steady quality that can guarantee surrounding air is in certain scope.Wherein, the speed of service of clean unit 130 can be adjusted with the difference of the reference value that prestores according to the quality of the surrounding air that is detected.
In order to improve the control accuracy of 100 pairs of ambient air qualities of air cleaning unit, can shorten the sense cycle of detecting unit 140.That is to say that the detection frequency of detecting unit 140 is high more, the transient response of 130 pairs of testing results of clean unit is fast more, and the control ability of 100 pairs of ambient air qualities of air cleaning unit is high more.Another optional mode is to set detecting unit 140 continual continuous detecting, and clean unit 130 is made transient response when appearance is unusual, improve ambient air quality.
Be understandable that, detecting unit 140 detects with the quality of certain cycle to surrounding air, if detecting the quality that obtains in the surrounding air meets the requirements, then control module 110 can stop the operation of clean unit 130, do not cause the continuous operation of clean unit 130, thereby can guarantee the operation of air cleaning unit 100 safe low energy consumption.
Certainly, the air detection of described support air cleaning unit 100 operations purifies control program and can be stored in the memory cell 150, can also be stored in the control module 110 of external data treatment system 200 or air cleaning unit 100.
Described air detection purifies control program both can be by 200 operations of external data treatment system; Also can move, and directly control operation detecting unit 140 and clean unit 130 by control module 110.
In addition, the reference value of described air quality also can be stored in the external data treatment system 200.
Described air cleaning unit 100 also can directly be accepted the operational order from external data treatment system 200, be that external data treatment system 200 can be passed through control module 110 direct start detection unit 130, making air cleaning unit 100 become a detecting instrument uses, anion concentration to surrounding air is sampled, and can handle the data of sampling, analysis and storage operation, if wherein air cleaning unit 100 does not comprise under the situation of memory cell 150, can directly be stored in the external data treatment system 200 to the storage of sampled data; In addition, external data treatment system 200 can directly be operated clean unit 130 by control module 110, and this air cleaning unit 100 is used as simple air cleaner, and surrounding air is purified.Air cleaning unit 100 of the present invention can also be optimized the environment the air function and realize that the device of movable external memory storage function uses as having simultaneously, when carrying out exchanges data or the gap with external data treatment system 200, by external data treatment system 200 operation setting programs, regularly or periodically send instruction to air cleaning unit 100, start and stop the operation of clean unit 130, effectively improve the quality of air in the working environment, be particularly suitable for the purification of individual office surrounding air and the use of family.
When air cleaning unit 100 of the present invention does not connect external data treatment system 200, in order better to realize independent operating, directly control is to the operation of detecting unit 140 and clean unit 130, air cleaning unit 100 of the present invention also comprises input-output unit 180, be display unit (figure does not show) and operating unit (figure does not show), described display unit and operating unit are connected with control module 110 respectively, described input-output unit 180 can be the work that manual mechanical switch starts air cleaning unit, show the running status of each unit by LED light, a preferred scheme is that this display unit and operating unit can be realized by same touch-screen compounding practice software.
This display unit is used to show the running status and the ambient air quality parameter of air cleaning unit 100, and this display unit can be LCD MODULE, LED, CRT and voice output device.
Described operating unit provides the external staff input operation to air cleaning unit 100, comprise selected operational mode, the air quality parameters of input needs detection and the start and stop of whole air cleaning unit 100, operational module includes but not limited to modes such as keyboard, writing pencil, mouse or phonetic entry.
Seeing also Fig. 4, is the circuit theory diagrams of air cleaning unit first embodiment of the present invention.
In the present embodiment, described data interface unit 120 adopts USB interface (USBPORT), and control module (MCU) 110 communicates by USB interface and external data treatment system 200, draws working power from external data treatment system 200 simultaneously.
Described memory cell 150 adopts flash memories (FLASH Memory), control module 110 by data/address bus to memory cell 150 access datas.
Described clean unit 130 adopts anion generators that surrounding air is purified, and anion generator generally includes booster circuit 131 that is located at its inside and a plurality of anion emission ends 132 that are connected with booster circuit 131.The working power of described clean unit 130 is taken from USB interface, because the voltage that USB interface comes out is+5V therefore to need to adopt booster circuit 131 to boost to reach the high voltage of transmitting anion.Control module 110 applies the break-make of high-low level with control circuit by the triode in power circuit 170, reaches the control to anion generator.
Certainly, can also adopt a series of parallel resistances, regulate the voltage height of anion generator by the combination change size of control module 110 controlling resistances at the circuit of clean unit 130.Usually, anion generator is under the certain situation of the quantity of transmitting terminal 132, the anion quantity that it produced is just relevant with the voltage that imposes on anion emission end 132, in certain voltage range, the voltage that imposes on anion emission end 132 is high more, and the quantity of the anion that is produced in the anion generator unit interval is many more.
Described detecting unit 140 is communicated by letter with control module 110 by analog-digital converter (A/D) 141.Because described clean unit 130 adopts anion generator, thereby the detecting unit 140 that the ambient air quality parameter is detected adopts the anion gatherers, by the quantity of electric charge of collecting in the air in certain amount is measured, to calculate the anion number in the unit volume, measure the concentration of anion in the air.Data by the corresponding relation between the content that is stored in impurity in different anion concentration in the memory cell 150 and the air in advance, and the analysis by 110 pairs of testing results of control module, the content of the impurity such as dust that draw in the surrounding air to be contained is so that the operation of control module 110 corresponding control clean units 130.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.