CN101510078A - Full automatic intelligent window control system - Google Patents
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Abstract
The invention discloses a fully automatic intelligent window control system which consists of a core processor, an environmental parameter detection module, an external drive module, a wireless communication module and a human-computer interaction module; the fully automatic intelligent window control system has strong function, low cost, and easy popularization; can realize the functions of automatic window closing when raining; timing window opening and closing, hand-automatic operation switching, intrusion alarm and other functions; and has a modular structure and strong scalability; can add other environmental variables such as temperature, oxygen content and the like so as to conduct more optimal relevant window operations; as the application occasions are different, the test items and alarm ways can be set according to the need, simultaneously, the individual setting of various alarming/prompting rings is supported; the invention can also expand wireless communication, realize remote alarm or compose an intelligent home system with the air conditioner, and the like.
Description
Technical field
The present invention relates to a kind of embedded intelligence control system, especially, relate to a kind of full automatic intelligent window control system.
Background technology
The window of household needs hand switch mostly now, does not have intelligent.For satisfying the requirement of Smart Home, consider from following four aspects:
1, in the daily life, people are for keeping the pure and fresh of room air and feeling nice and cool the ventilation of need often opeing the window.When people have a mind to or window unintentionally when going out, attack if meet with wind and rain, bring embarrassment must for interior decoration and personal lifestyle.So window chance rain is closed automatically and can be satisfied the demand of people to Smart Home.
2, people window closes to close always and causes ventilation not smooth in bed evening, if one is heading straight for and can the people caught a cold.So the window time switch can satisfy the demand of people to Smart Home.
3, window is one of approach of thief's burglary.People often need to install anti-theft net.This will influence view, the impression of constraining to the people.Do not install and draw the thief easily and enter the room.So the window that has intrusion alarm can satisfy the demand of people to Smart Home.
4, people also get used to traditional hand switch window simultaneously, and above-mentioned newly-increased merit can not influence manual function.Manual switching can be satisfied the demand of people to Smart Home equally.
All right and wrong are intelligent for present most of furniture window.Meet rain pass window function though there is the part household to be equipped with, function singleness, price is high simultaneously, is difficult to promote.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of full automatic intelligent window control system is provided.
The objective of the invention is to be achieved through the following technical solutions: a kind of full automatic intelligent window control system, it mainly is made up of core processor, environment parameter detection module, peripheral drive module, wireless communication module and human-computer interaction module; Wherein, described environment parameter detection module, peripheral drive module, wireless communication module and human-computer interaction module link to each other with core processor respectively.
Further, described environment parameter detection module comprises raindrop testing circuit and intrusion detection circuit etc., is used for the detection of various environment parameters; System reserves enough interfaces simultaneously, but other environmental variances such as extended temperature, oxygen level.Described peripheral drive module comprises motor-drive circuit and sound and light alarm drive unit, is used to drive various peripheral units; Motor-drive circuit is mainly used in the open and close that the drive motor rotation drives window, and the sound and light alarm driving circuit is mainly used in warning devices such as driving loudspeaker and light.Described wireless communication module comprises wireless transmission circuit and wireless receiving circuit, is mainly used in other smart machine (as long-distance alarm apparatus, air-conditioning opertaing device etc.) to carry out message exchange.Described human-computer interaction module comprises liquid crystal display (LCD) and button.
The invention has the beneficial effects as follows: full automatic intelligent window control system of the present invention is powerful, and is with low cost, is easy to promote.Realizing raining, pass window, time switch window, hand are operated functions such as switching, intrusion alarm automatically automatically.Modular construction, extensibility is strong.Can add other environmental variances such as temperature, oxygen level, to carry out more optimal relevant window operations.Because the difference of application scenario, test item and type of alarm can be provided with as required, support individual character that various alarm/tip the tinkle of bells are set simultaneously.Scalable radio communication realizes remote alarms or forms intelligent domestic system with air-conditioning etc.
Description of drawings
Fig. 1 is the structured flowchart of full automatic intelligent window control system of the present invention;
Fig. 2 is a raindrop testing circuit schematic diagram;
Fig. 3 is the intrusion detection circuit theory diagrams;
Fig. 4 is the motor-drive circuit schematic diagram;
Fig. 5 is the wireless transmission circuit schematic diagram;
Fig. 6 is the wireless receiving circuit schematic diagram.
Embodiment
Further specify the present invention below in conjunction with drawings and Examples, it is more obvious that purpose of the present invention and effect will become.
As shown in Figure 1, full automatic intelligent window control system of the present invention mainly is made up of core processor, environment parameter detection module, peripheral drive module, wireless communication module, human-computer interaction module, wherein, environment parameter detection module, peripheral drive module, wireless communication module, human-computer interaction module link to each other with core processor respectively.
1. the environment parameter detection module comprises raindrop testing circuit, intrusion detection circuit etc., is used for the detection of various environment parameters.System reserves enough interfaces simultaneously, but other environmental variances such as extended temperature, oxygen level.
(1) raindrop testing circuit
As shown in Figure 2, the raindrop testing circuit is by resistance R 21, R22, R23, hygristor R24, and capacitor C 21, triode Q21, Q22, luminotron Q23, components and parts such as diode Q24 are formed.Hygristor R24 all links to each other with the base stage of triode Q21 with resistance R 22, another termination power of hygristor R24, resistance R 22 other end ground connection.The emitter of triode Q21 is connected with the base stage of triode Q22, the grounded emitter of triode Q22.The collector utmost point of the collector of triode Q21 and triode Q22 links together, and as output Int_Rain, tie point is first tie point, and first tie point links to each other with power supply by R21.Resistance R 23 links to each other with the anode of luminotron Q23, another termination power of resistance R 23, and the negative terminal of luminotron Q23 connects first tie point, and R23 plays metering function, and luminotron Q23 indicates as signal.Capacitor C 21 and diode Q24 are parallel between first tie point and the ground, play filtering and stabilization signal.
Its detection principle is: hygristor R24 has different resistances under different humidity, and under the condition of relatively dry, resistance reaches M level or 10M level; Under absolute moist situation, resistance has only hundreds of or tens K.As Fig. 2, R24 detects raindrop by hygristor.When raindrop touch hygristor R24, triode Q21 and triode Q22 conducting, Int_Rain is a low level.Otherwise triode Q21 and not conducting of triode Q22, A point are raised and are high level.Thereby when raindrop, Int_Rain has individual saltus step from high to low, and the input core processor triggers and interrupts.
(2) intrusion detection circuit
As shown in Figure 3, the intrusion detection circuit is by pyroelectricity probe sensor S1, low consumed power operational amplifier U1, low-power consumption low maladjustment voltage comparer U2, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, variable resistor R13, capacitor C 1, C2, C3, C4, C5, triode Q1, components and parts such as diode Q2 are formed.1 end of pyroelectricity probe sensor S1 and 3 ends connect power supply and ground respectively, and 2 ends are signal output parts, and 2 ends are connected to the base stage of triode Q1 by resistance R 1 ground connection by capacitor C 1.The grounded emitter of triode Q1, resistance R 2 are connected between the base stage and collector of triode Q1, and resistance R 3 is connected between the collector of power supply and triode Q1.The capacitor C 2 of the collector of triode Q1 by series connection and resistance R 4 are connected to the positive input terminal (3 pin) of low consumed power operational amplifier U1.The positive input terminal of low consumed power operational amplifier U1 is connected to power supply by resistance R 5, by resistance R 6 ground connection.4 pin of low consumed power operational amplifier U1 connect power supply, 11 pin ground connection.The negative input end of low consumed power operational amplifier U1 (2 pin) is connected to the output terminal (1 pin) of low consumed power operational amplifier U1 by the resistance R 7 and capacitor C 3 ground connection of series connection by the capacitor C 4 and the resistance R 8 of parallel connection.The output terminal of low consumed power operational amplifier U1 is connected to the positive output end (5 pin) of low-power consumption low maladjustment voltage comparer U2 by capacitor C 5, and the positive input terminal of low-power consumption low maladjustment voltage comparer U2 is by resistance R 9 ground connection.The negative input end (4 pin) of low-power consumption low maladjustment voltage comparer U2 links to each other another termination power of resistance R 10, the plus earth of diode Q2 respectively by resistance R 11 with the negative pole of resistance R 10 with diode Q2.The negative input end of low-power consumption low maladjustment voltage comparer U2 is by variable resistor R13 ground connection.3 pin of low-power consumption low maladjustment voltage comparer U2 are connected to power supply, 12 pin ground connection.The output terminal (2 pin) of low-power consumption low maladjustment voltage comparer U2 is connected to power supply as this partial circuit output by resistance R 12.
The detection principle of pyroelectricity probe is: when the infrared energy that gives off when mobile human body in the visual field changed, the reception temperature field on detecting element surface changed, and produces thermoelectric effect, the low-frequency alternating signal of output and the proportional variation of human body translational speed.As Fig. 3, the feeble signal of pyroelectricity probe sensor S1 output adds to the inverse output terminal of comparator circuit after triode Q1 and low consumed power operational amplifier U1 amplification.Low consumed power operational amplifier U1 and resistance R 7, resistance R 8 and capacitor C 3 etc. are formed the low-pass filter amplifier of 0.1~10Hz.Low-power consumption low maladjustment voltage comparer U2 and resistance R 10, diode Q2 etc. form comparator circuit, and resistance R 10, diode Q2 form potential-divider network, and the relatively reference voltage of usefulness is provided.Thereby when invasion, output Int_Inv has individual saltus step from high to low, and the input core processor triggers and interrupts.
2. peripheral drive module comprises motor-drive circuit, sound and light alarm drive unit etc., is used to drive various peripheral units.Motor-drive circuit is mainly used in the open and close that the drive motor rotation drives window, and the sound and light alarm driving circuit is mainly used in warning devices such as driving loudspeaker and light.
(1) motor-drive circuit
As shown in Figure 4, motor-drive circuit is by photoelectrical coupler U51, U52, field effect transistor Q51, Q52, Q53, Q54, and capacitor C 51, components and parts such as resistance R 51, R52, R53, R54 are formed.Photoelectrical coupler U51 is connected control input signals Con51, Con52 respectively with 2 ends of photoelectrical coupler U52; 1 end of photoelectrical coupler U51 and photoelectrical coupler U52 is connected to power supply by resistance R 51, resistance R 52 respectively; 3 ends of photoelectrical coupler U51 and photoelectrical coupler U52 are ground connection all; 4 ends of photoelectrical coupler U51 and photoelectrical coupler U52 are connected to+the 12V power supply by resistance R 54, resistance R 53 respectively; 4 ends of photoelectrical coupler U51 are connected respectively to the grid of field effect transistor Q52 and field effect transistor Q54; 4 ends of photoelectrical coupler U52 are connected respectively to the grid of field effect transistor Q51 and field effect transistor Q53.The source electrode of the drain electrode of field effect transistor Q51 and field effect transistor Q52 is connected to+the 12V power supply simultaneously, and the drain electrode of the source electrode of field effect transistor Q53 and field effect transistor Q54 is ground connection simultaneously.The source electrode of field effect transistor Q51 is connected with the drain electrode of field effect transistor Q53, is connected to an end of motor simultaneously; The drain electrode of field effect transistor Q52 links to each other with the source electrode of field effect transistor Q54, is connected to the other end of motor simultaneously.Capacitor C 51 is parallel to the two ends of motor.
Photoelectrical coupler U51 and U52 can select the TLP521 chip for use, and core processor and motor are isolated.H bridge driving circuit can select for use powerful field effect transistor Q51~Q54 (as IRF640) to form, by the control input signals CON51 and the CON52 control of core processor.Make motor rotation, must make a pair of triode conducting on the diagonal line.For example, when field effect pipe Q51 pipe and the conducting of Q54 pipe, electric current just passes motor from positive source through field effect transistor Q51 from left to right, and then gets back to power cathode through field effect transistor Q54, thereby drive motor is pressed the specific direction rotation.When field effect pipe Q52 and Q53 conducting, electric current will flow through motor from right to left, thereby drive motor rotates along other direction.
(2) sound and light alarm drive unit
Can select the Eight-channel Music Clip for use, for invasion, raindrop, timer then, miscue etc. adopts different warning the tinkle of bells.Track selecting is used the multiplexed chip 4051 of numerical control, is connected with core processor to realize the setting of individual character the tinkle of bells, comprises a certainly whether using the tinkle of bells warning, uses which kind of the tinkle of bells, the tinkle of bells duration etc.
3. wireless communication module comprises wireless transmission circuit, wireless receiving circuit etc., is mainly used in other smart machine (as long-distance alarm apparatus, air-conditioning opertaing device etc.) to carry out message exchange.
(1) wireless transmission circuit
As shown in Figure 5, wireless transmission circuit is by transmitter module U32, digital coding chip U31, and triode Q31, Q32, Q33, Q34, components and parts such as resistance R 31, R32, R33, R34, R35 are formed.The end In_Send that transmits control signal is connected to the base stage of triode Q31 by resistance R 35, and the emitter of triode Q31 is connected to the base stage of triode Q33, and the collector of triode Q31 is connected to the base stage of triode Q32 by resistance R 34.The grounded emitter of triode Q33, collector is as sending power supply negative terminal (PT-).Emitter connection+12V the power supply of triode Q32, collector is as sending power supply anode (PT+).1 pin of transmitter module U32 is connected to and sends power supply anode (PT+), and 3 pin are connected to and send power supply negative terminal (PT-), and 4 pin are antenna (connecting a wires), and 2 pin are connected to 17 pin of U31.Data output end Con30 is connected to the base stage of triode Q34 by resistance R 33, and the emitter of triode Q34 receives and sends power supply negative terminal (PT-), and the collector of triode Q34 is connected to by resistance R 32 and sends power supply anode (PT+).The collector of triode Q34 is connected to 13 pin of digital coding chip U31 simultaneously.Other data output end (Con31, Con32, Con33) connects 12,11,10 pin that branch is clipped to digital coding chip U31 by the mode identical with Con30.1~9 end of digital coding chip U31 all is connected to ground, and 18 pin are connected to and send power supply anode (PT+), and 14 pin are connected to and send power supply negative terminal (PT-).Resistance R 31 is parallel between 15 and 16 pin of digital coding chip U31.
Transmitter module U32 can select general transmit module 9912 for use, is used for signal modulation and emission.Digital coding chip U31 can select PT2262 for use, is used for parallel four figures according to encoding.
In order to improve emissive power, use the 12V direct supply to give transmitter module U32, digital coding chip U31 power supply, i.e. voltage between PT+ and PT-among the figure.(CON30~CON33) is the level signal of 0~5V, so designed the interface circuit that is used for level conversion between core processor and digital coding chip U31 because core processor parallel interface signal.Among the figure, 10~12 pin of digital coding chip U31 use the interface identical with 13 pin, omit for convenience during picture.15, insert the concussion resistance R 31 of required frequency between 16 pin, resistance is big more, and it is low more then to shake frequency.Through test, lower concussion frequency helps guaranteeing the stability of long-distance transmissions.Because radiating circuit suitable power consumption when powering on needs designing power supply on-off control circuit (being the generation circuit of PT+, PT-).As shown in Figure 5, In_Send is core processor general purpose I/O, the break-make of control transtation mission circuit.When In_Send is output as high level, all conductings and be operated in state of saturation of Q31, Q32, three pipes of Q33, PT+=12V so, PT-=0V, whole radiating circuit operate as normal; When In_Send was output as low level, three pipes all ended, PT+ ≈ PT-so, and whole radiating circuit quits work.Whole like this radiating circuit just under the control of core processor, is only just powered in needs emission data, reduces the power consumption of total system effectively.
(2) wireless receiving circuit
As shown in Figure 6, wireless receiving circuit is by receiver module U42, data decode chip U41, and diode Q41, components and parts such as resistance R 41, R42 are formed.The whole ground connection of 1~9 pin of data decode chip U41,10,11,12,13 pin are connected with data-signal Con44, Con43, Con42, Con41 respectively.14 pin of data decode chip U41 are connected with 3,4 pin of U42, and 18 pin connect power supply.17 pin of data decode chip U41 are as receiving signal interruption output (Int_Rec), and by diode Q41, resistance R 42 is connected to ground simultaneously.Resistance R 41 is parallel between 15 and 16 pin of data decode chip U41.2 pin of receiver module U42,5 pin are connected respectively to power supply and ground.3,4 pin of receiver module U42 link together, and are connected to 14 pin of data decode chip U41 simultaneously.1 pin of receiver module U42 links to each other with a wires as antenna.
Receiver module U42 can select common receiver module 9921 for use, is used for signal modulation and reception.Data decode chip U41 can select PT2272 for use, is used for the parallel four figures certificate of decoding and output.
Receiving circuit adopts 5V direct current supply.Resistance R 41 decision receive frequencies, the frequency here need be consistent with the frequency of transmitting terminal.Frequency is low, and then the interference free performance of circuit is better, but receiving sensitivity is lower, otherwise, the frequency height, receiving sensitivity is better, but the interference free performance variation.CON40~CON43 is the parallel signal that outputs to the core processor interface.Int_Rec interrupts output for receiving, and when receiving information, Int_Rec produces interruption from high to low, outputs to core processor.
4. human-computer interaction module comprises liquid crystal display (LCD) and button, and button is used for the man-machine interaction input, and liquid crystal display is used for man-machine interaction output.Can select for use 1602 liquid crystal and the common key-press that reach photoelectricity clearly to build.It has following characteristics: man-machine interface close friend, LCD show in real time, and menu mode has operation indicating, and is simple to operate, only need 3 buttons to finish whole operations.
5. core processor is connected with environment parameter detection module, peripheral drive module, wireless communication module, human-computer interaction module, is responsible for information gathering, processing, output etc.Core processor is finished the functions such as closing window, invasion sound and light alarm, time switch window, the manual operation switching of support automatically of raining.
Can select for use the chips such as AT89C52 of atmel corp to build.AT89C52 is classical 51 core processors, and it and other module are by various IO interface exchange messages.Input interface comprises: raindrop detection signal Int_Rain, intrusion detection signal Int_Inv, wireless receiving look-at-me Int_Rec, wireless receiving data CON40~CON43, keystroke interface etc.; Output interface comprises: wireless transmission data CON30~CON33, wireless transmission control signal In_Send, motor-driven control signal CON51 and CON52, liquid crystal data and control interface, sound and light alarm control signal etc.
Because adopt modular design, extensibility is strong.The core processor spare interface can add other environmental variances such as temperature, oxygen level, carries out more optimal relevant window operations.
Because the difference of application scenario, test item and type of alarm can be provided with as required, support individual character that various alarm/tip the tinkle of bells are set simultaneously.
The foregoing description is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (9)
1, a kind of full automatic intelligent window control system is characterized in that, it mainly is made up of core processor, environment parameter detection module, peripheral drive module, wireless communication module and human-computer interaction module.Wherein, described environment parameter detection module, peripheral drive module, wireless communication module and human-computer interaction module link to each other with core processor respectively.
According to the described full automatic intelligent window control system of claim 1, it is characterized in that 2, described environment parameter detection module comprises raindrop testing circuit and intrusion detection circuit.
According to the described full automatic intelligent window control system of claim 2, it is characterized in that 3, described raindrop testing circuit comprises: resistance R 21, R22, R23, hygristor R24, capacitor C 21, triode Q21, Q22, luminotron Q23, diode Q24.Hygristor R24 all links to each other with the base stage of triode Q21 with resistance R 22, another termination power of hygristor R24, resistance R 22 other end ground connection; The emitter of triode Q21 is connected with the base stage of triode Q22, the grounded emitter of triode Q22; The collector utmost point of the collector of triode Q21 and triode Q22 links together, and tie point is first tie point, and first tie point links to each other with power supply by R21; Resistance R 23 links to each other with the anode of luminotron Q23, another termination power of resistance R 23, and the negative terminal of luminotron Q23 connects first tie point, and capacitor C 21 and diode Q24 are parallel between first tie point and the ground.
4, according to the described full automatic intelligent window control system of claim 2, it is characterized in that, described intrusion detection circuit comprises: pyroelectricity probe sensor S1, low consumed power operational amplifier U1, low-power consumption low maladjustment voltage comparer U2, resistance R 1~R12, variable resistor R13, capacitor C 1~C5, triode Q1, diode Q2.1 end of pyroelectricity probe sensor S1 and 3 ends connect power supply and ground respectively, and 2 ends are connected to the base stage of triode Q1 by resistance R 1 ground connection by capacitor C 1; The grounded emitter of triode Q1, resistance R 2 are connected between the base stage and collector of triode Q1, and resistance R 3 is connected between the collector of power supply and triode Q1; The capacitor C 2 of the collector of triode Q1 by series connection and resistance R 4 are connected to the positive input terminal of low consumed power operational amplifier U1.The positive input terminal of low consumed power operational amplifier U1 is connected to power supply by resistance R 5, by resistance R 6 ground connection.The negative input end of low consumed power operational amplifier U1 is connected to the output terminal of low consumed power operational amplifier U1 by the resistance R 7 and capacitor C 3 ground connection of series connection by the capacitor C 4 and the resistance R 8 of parallel connection.The output terminal of low consumed power operational amplifier U1 is connected to the positive output end of low-power consumption low maladjustment voltage comparer U2 by capacitor C 5, and the positive input terminal of low-power consumption low maladjustment voltage comparer U2 is by resistance R 9 ground connection.The negative input end (4 pin) of low-power consumption low maladjustment voltage comparer U2 links to each other another termination power of resistance R 10, the plus earth of diode Q2 respectively by resistance R 11 with the negative pole of resistance R 10 with diode Q2.The negative input end of low-power consumption low maladjustment voltage comparer U2 is by variable resistor R13 ground connection.The output terminal of low-power consumption low maladjustment voltage comparer U2 is connected to power supply by resistance R 12.
According to the described full automatic intelligent window control system of claim 1, it is characterized in that 5, described peripheral drive module comprises motor-drive circuit and sound and light alarm drive unit.Described motor-drive circuit comprises: photoelectrical coupler U51, U52, field effect transistor Q51~Q54, capacitor C 51, resistance R 51~R54.1 end of photoelectrical coupler U51 and photoelectrical coupler U52 is connected to power supply by resistance R 51, resistance R 52 respectively; 3 ends of photoelectrical coupler U51 and photoelectrical coupler U52 are ground connection all; 4 ends of photoelectrical coupler U51 and photoelectrical coupler U52 are connected to+the 12V power supply by resistance R 54, resistance R 53 respectively; 4 ends of photoelectrical coupler U51 are connected respectively to the grid of field effect transistor Q52 and field effect transistor Q54; 4 ends of photoelectrical coupler U52 are connected respectively to the grid of field effect transistor Q51 and field effect transistor Q53.The source electrode of the drain electrode of field effect transistor Q51 and field effect transistor Q52 is connected to+the 12V power supply simultaneously, and the drain electrode of the source electrode of field effect transistor Q53 and field effect transistor Q54 is ground connection simultaneously.The source electrode of field effect transistor Q51 is connected with the drain electrode of field effect transistor Q53, is connected to an end of motor simultaneously; The drain electrode of field effect transistor Q52 links to each other with the source electrode of field effect transistor Q54, is connected to the other end of motor simultaneously.Capacitor C 51 is parallel to the two ends of motor.
According to the described full automatic intelligent window control system of claim 1, it is characterized in that 6, described wireless communication module comprises wireless transmission circuit and wireless receiving circuit.
According to the described full automatic intelligent window control system of claim 6, it is characterized in that 7, described wireless transmission circuit comprises transmitter module U32, digital coding chip U31, triode Q31~Q34, resistance R 31~R35.Resistance R 35 connects the base stage of triode Q31, and the emitter of triode Q31 is connected to the base stage of triode Q33, and the collector of triode Q31 is connected to the base stage of triode Q32 by resistance R 34.The grounded emitter of triode Q33, collector is as sending the power supply negative terminal.Emitter connection+12V the power supply of triode Q32, collector is as sending the power supply anode.Transmitter module U32 links to each other with digital coding chip U31.The collector of triode Q34 links to each other with resistance R 32 respectively and links to each other with digital coding chip U31, and the base stage of triode Q34 connects resistance R 33.
According to the described full automatic intelligent window control system of claim 6, it is characterized in that 8, described wireless receiving circuit comprises: module U42, data decode chip U41, diode Q41, resistance R 41, R42.
According to the described full automatic intelligent window control system of claim 1, it is characterized in that 9, described human-computer interaction module comprises liquid crystal display and button.
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