CN201909674U - Infrared detecting device and controlling system of solar water heater - Google Patents
Infrared detecting device and controlling system of solar water heater Download PDFInfo
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- CN201909674U CN201909674U CN2010206312432U CN201020631243U CN201909674U CN 201909674 U CN201909674 U CN 201909674U CN 2010206312432 U CN2010206312432 U CN 2010206312432U CN 201020631243 U CN201020631243 U CN 201020631243U CN 201909674 U CN201909674 U CN 201909674U
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Abstract
The utility model discloses an infrared detecting device and a controlling system of a solar water heater, which belong to the field of solar energy. The infrared detecting device comprises an infrared sensor, a signal-processing chip of the infrared sensor and a peripheral circuit. A first port of the infrared sensor is connected with a first power source, a second port of the infrared sensor is connected with the signal-processing chip of the infrared sensor, a third port of the infrared sensor is grounded, and the peripheral circuit is connected with the signal-processing chip of the infrared sensor. The system comprises the infrared detecting device and a first microcontroller, and the first microcontroller is connected with the infrared detecting device. With the adoption of the infrared sensor, the signal-processing chip of the infrared sensor and the peripheral circuit, the infrared detecting device can automatically detect the movements of human bodies within a certain range, therefore, the first microcontroller can control the functions, such as electric heating, feeding water, turning on the screen, and the like, of the solar water heater according to the data detected by the infrared detecting device,.
Description
Technical field
The utility model relates to field of solar energy, particularly a kind of infrared detecting device and control system of solar energy water heater.
Background technology
Sun power belongs to clean reproducible energy, has disposable input, saving, safety, advantage such as reliable, makes the solar water heater popularity rate all increase with higher amplitude every year.What grow up is control system of solar energy water heater thereupon, and control system of solar energy water heater makes that the solar water heater use is more convenient, more saves worry.
Prior art is to be started by the button of pressing control system of solar energy water heater and controlled control system of solar energy water heater by the user, and the user needs to finish by pressing the button to each control operation of control system of solar energy water heater.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art: can only control control system of solar energy water heater by pressing the button in the prior art.
The utility model content
In order to control solar water heater according to the physical activity situation, the utility model embodiment provides a kind of infrared detecting device and control system of solar energy water heater.Described technical scheme is as follows:
Present embodiment provides a kind of infrared detecting device, this device comprises infrared sensor, sensor signal process chip and peripheral circuit, first port of this infrared sensor connects first power supply, second port of this infrared sensor connects this sensor signal process chip, the 3rd port ground connection of this infrared sensor, this peripheral circuit connects this sensor signal process chip.
Wherein, this sensor signal process chip comprises first order operational amplifier, second level operational amplifier and comparer, and this first order operational amplifier connects this second level operational amplifier, and this second level operational amplifier connects this comparer;
Correspondingly, this peripheral circuit comprises signal detection circuit, signal amplification circuit, signal holding circuit and current-limiting resistance;
First end of this signal detection circuit connects this first order operational amplifier, the second end ground connection of this signal detection circuit; This signal amplification circuit connects this second level operational amplifier, and second end of this signal amplification circuit connects this first order operational amplifier; First end of this signal holding circuit connects this comparer, the second end ground connection of this signal holding circuit; First end of this current-limiting resistance connects this comparer, and second end of this current-limiting resistance connects first microcontroller.
Present embodiment provides a kind of control system of solar energy water heater of using above-mentioned arbitrary infrared detecting device simultaneously, and this control system of solar energy water heater comprises infrared detecting device, comprises that also first microcontroller connects this infrared detecting device.
Present embodiment also provides a kind of control system of solar energy water heater of using above-mentioned arbitrary infrared detecting device, and this control system of solar energy water heater also comprises the earth wire charged testing device and second microcontroller; This earth wire charged testing device connects this infrared detecting device; This second microcontroller is connected respectively with this measuring device with electricity with this infrared detecting device.
Wherein, this earth wire charged testing device comprises the filtering circuit of the first amplifier module, ground signal, filtering circuit, voltage follower circuit and the RC filtering circuit of power supply;
The filtering circuit of this ground signal connects the input end in the same way of this first amplifier module; The filtering circuit of this power supply connects the input end in the same way of power supply and this first amplifier module; This voltage follower circuit connects the reverse input end and the output terminal of this first amplifier module; This RC filtering circuit connects the output terminal of the first amplifier module.
Present embodiment also provides a kind of control system of solar energy water heater of using above-mentioned arbitrary infrared detecting device and earth wire charged testing device, and this control system of solar energy water heater also comprises earth leakage protective device and the 3rd microcontroller;
This earth leakage protective device is connected with this earth wire charged testing device with this infrared detecting device;
The 3rd microcontroller is connected respectively with this infrared detecting device, this measuring device with electricity and this earth leakage protective device.
Further, this earth leakage protective device comprises current balance type degree testing circuit, operational amplification circuit and comparator circuit; This current balance type degree testing circuit connects this operational amplification circuit, and this operational amplification circuit connects this comparator circuit.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by infrared sensor, sensor signal process chip and peripheral circuit are set, can be in certain zone human body active situation automatically, thereby can be according to the control that detects functions such as the relevant electric heating of data realization to solar water heater, Shang Shui, bright screen.
Description of drawings
Fig. 1 is the infrared detecting device structural drawing that provides among the utility model embodiment 1;
Fig. 2 is the infrared detecting device structural drawing that provides among the utility model embodiment 2;
Fig. 3 is the control system of solar energy water heater structural drawing that provides among the utility model embodiment 3;
Fig. 4 is the another kind of control system of solar energy water heater structural drawing that provides among the utility model embodiment 4;
Fig. 5 is the earth wire charged testing device structural drawing that provides among the utility model embodiment 5;
Fig. 6 is another the control system of solar energy water heater structural drawing that provides among the utility model embodiment 6;
Fig. 7 is the earth leakage protective device structural drawing that provides among the utility model embodiment 7.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, the utility model embodiment provides a kind of infrared detecting device, and this device comprises infrared sensor 101, sensor signal process chip 102 and peripheral circuit 103,
First port of this infrared sensor 101 connects first power supply, second port of this infrared sensor 101 connects this sensor signal process chip 102, the 3rd port ground connection of this infrared sensor 101, this peripheral circuit 103 connects this sensor signal process chip 102.
The infrared detecting device that present embodiment provides, by infrared sensor is set, sensor signal process chip and peripheral circuit, can be in certain zone automatic human body active situation, infrared sensor detects human body when the setting regions activity, can produce ultrared change information, ultrared change information amplifies through the sensor signal process chip, and the signal after amplifying carried out after amplitude discrimination handles, be converted into the high-low level pulse signal, catch this signal by first microcontroller, and then carry out logic determines, and realize relevant electric heating to solar water heater according to people's zone of action situation, last water, the control of functions such as bright screen.
Embodiment 2
Referring to Fig. 2, the utility model embodiment provides a kind of infrared detecting device, and this device comprises infrared sensor, sensor signal process chip and peripheral circuit,
Wherein, this infrared sensor is a kind of passive infrared sensitive element, comprise that high Seebeck coefficient material is equipped with the thermoelectric unit that filter glass is formed, and field effect transistor, finish the infrared radiation that sends with noncontact mode human body, and be translated into electric signal output, wherein field effect transistor is used to finish impedance conversion;
This sensor signal process chip comprises first order operational amplifier, second level operational amplifier and comparer, and this first order operational amplifier connects described second level operational amplifier, and this second level operational amplifier connects this comparer;
Particularly; this sensor signal process chip adopts 16 pin DIP encapsulation; the utility model embodiment is that example describes with BISS 0001; as shown in Figure 2; these 16 pins are specially: the first pin A (but repeated trigger and not reproducible trigger control end); the second pin Vo (control signal output ends); the 3rd pin RR1 (adjustable side of output delay time); the 4th pin RC1 (adjustable side of output delay time); the 5th pin RC2 (triggering the adjustable side of offset time); the 6th pin RR2 (triggering the adjustable side of offset time); the 7th pin Vss (working power negative terminal); the 8th pin RESET (end of resetting); the 9th pin Vc (end is forbidden in triggering); the tenth pin IB (the operational amplifier bias current is provided with end); the 11 pin VDD (working power anode); the 12 pin 2OUT (output terminal of second level operational amplifier); the 13 pin 2IN-(inverting input of first order operational amplifier); the 14 pin 1IN+ (in-phase input end of first order operational amplifier); the 15 pin 1IN-(inverting input of first order operational amplifier); the 16 pin 1OUT (output terminal of first order operational amplifier); present embodiment only describes infrared detecting device with circuit structure shown in Figure 2, does not limit protection domain of the present utility model with this.
The first pin A of this sensor signal process chip connects second source (second source is 5V among Fig. 2), the RESET of sensor signal process chip connects the 3rd power supply (first power supply is 5V among Fig. 2), the VDD of sensor signal process chip connects the 3rd power supply (the 3rd power supply is 5V among Fig. 2), the Vss ground connection of sensor signal process chip, other pins of this sensor signal process chip connect this peripheral circuit, and these other pins are meant: remove the first pin A in 16 pins of sensor process chip, the 7th pin Vss, the 8th pin RESET, other 11 pins outside the 11 pin VDD and the 14 pin 1IN+;
This peripheral circuit comprises signal detection circuit, signal amplification circuit, signal holding circuit and current-limiting resistance, and wherein, first end of this signal detection circuit connects this first order operational amplifier, the second end ground connection of this signal detection circuit; This signal amplification circuit connects this second level operational amplifier, and second end of this signal amplification circuit connects this first order operational amplifier; First end of this signal holding circuit connects this comparer, the second end ground connection of this signal holding circuit; First end of this current-limiting resistance connects this comparer, and second end of this current-limiting resistance connects first microcontroller.
Particularly, this peripheral circuit connects ten pins of sensor signal process chip, this peripheral circuit also connects first microcontroller, and these ten pins are respectively: the second pin Vo, the 3rd pin RR1, the 4th pin RC1, the 5th pin RC2, the 6th pin RR2, the 12 pin 2OUT, the 13 pin 2IN-, the 14 pin 1IN+, the 15 pin 1IN-, the 16 pin 1OUT.
Wherein, first end of this signal detection circuit connects the 15 pin 1IN-and the 16 pin 1OUT of sensor signal process chip, the second end ground connection of signal detection circuit; This signal amplification circuit connects the 12 pin 2OUT and the 13 pin 2IN-of this sensor signal process chip, and second end of signal amplification circuit connects the 16 pin 1OUT of this sensor signal process chip; First end of this signal holding circuit connects the second pin Vo, the 3rd pin RR1, the 4th pin RC1 and the 5th pin RC2 of this sensor signal process chip, the second end ground connection of signal holding circuit; First end of this current-limiting resistance connects the second pin Vo of sensor signal process chip, and second end of current-limiting resistance connects first microcontroller;
Particularly, this signal detection circuit comprises first resistance R 7, second resistance R 8, first capacitor C 4 and second capacitor C 5, particularly, first end of this first resistance R 7 connects the 16 pin 1OUT of sensor signal process chip, and second end of first resistance R 7 connects the 15 pin 1IN-of sensor signal process chip; First end of second resistance R 8 connects first end of first capacitor C 4, and second end of second resistance R 8 connects first end of second capacitor C 5; First end of first capacitor C 4 connects first end of first resistance R 7, and second end of first capacitor C 4 connects first end of second resistance R 8; First end of second capacitor C 5 connects second end of second resistance R 8, the second end ground connection of second capacitor C 5;
This signal amplification circuit comprises the 3rd capacitor C 3, the 4th capacitor C 2, the 3rd resistance R 5, the 4th resistance R 6, the first signal operation amplifier and secondary signal operational amplifier, particularly, first end of the 3rd capacitor C 3 connects first end of the 4th resistance R 6, and second end of the 3rd capacitor C 3 connects the 16 pin 1OUT of sensor signal process chip; First end of the 4th capacitor C 2 connects the 13 pin 2IN-of sensor signal process chip, and second end of the 4th capacitor C 2 connects the 14 pin 1IN+ of sensor signal process chip; First end of the 3rd resistance R 5 connects first end of the 4th capacitor C 2, and second end of the 3rd resistance R 5 connects second end of the 4th capacitor C 2; First end of the 4th resistance R 6 connects first end of the 3rd capacitor C 3, and second end of the 4th resistance R 6 connects first end of the 4th capacitor C 2;
This signal holding circuit comprises the 5th capacitor C 6, the 6th capacitor C 7, the 5th resistance R 9 and the 6th resistance R 10, and particularly, first end of the 5th capacitor C 6 connects the 4th pin RC1 of sensor signal process chip, the second end ground connection of the 5th capacitor C 6; First end of the 6th capacitor C 7 connects the 5th pin RC2 of sensor signal process chip, the second end ground connection of the 6th capacitor C 7; First end of the 5th resistance R 9 connects the 6th pin RR2 of sensor signal process chip, and second end of the 5th resistance R 9 connects first end of the 6th capacitor C 7; First end of the 6th resistance R 10 connects the 3rd pin RR1 of sensor signal process chip, and second end of the 6th resistance R 10 connects first end of the 5th capacitor C 6.
The infrared detecting device that present embodiment provides, the electric signal of infrared sensor output amplifies through the first order signal operation amplifier of sensor signal process chip, signal after the amplification carries out the secondary amplification by the second level operational amplifier that the 3rd capacitor C 3 is coupled to the sensor signal process chip, signal after secondary amplifies carries out the amplitude discrimination processing by the comparer of sensor signal process chip again, signal after amplitude discrimination is handled carries out exporting to first microcontroller after the current limliting through current-limiting resistance, gathers for first microcontroller.The infrared detecting device that the utility model proposes, by infrared sensor, sensor signal process chip and peripheral circuit are set, can be in certain zone human body active situation automatically, thereby can be according to the control that detects functions such as the relevant electric heating of data realization to solar water heater, Shang Shui, bright screen.
Referring to Fig. 3, present embodiment provides a kind of control system of solar energy water heater, and this control system comprises the infrared detecting device 201 among above-mentioned arbitrary embodiment, also comprises:
Further, this control system of solar energy water heater also comprises an infrared remote control receiving trap, is connected with first microcontroller, can make things convenient for user's operation by infrared manipulation control system of solar energy water heater.
The system that present embodiment provides, by infrared detecting device is set, can in certain zone, detect people's active situation automatically, and use the study and generate control strategy automatically of hot water custom, thereby can make first microcontroller according to detecting the control that data realize the functions such as relevant electric heating, Shang Shui, bright screen to solar water heater according to the user.
Referring to Fig. 4, the utility model embodiment provides a kind of control system of solar energy water heater, and this control system comprises the infrared detecting device 301 among above-mentioned arbitrary embodiment, also comprises:
The earth wire charged testing device 302 and second microcontroller 303, this earth wire charged testing device 302 connects this infrared detecting device 301; This second microcontroller 303 is connected respectively with this earth wire charged testing device 302 with this infrared detecting device 301.
The system that present embodiment provides, not only can in certain zone, detect people's active situation automatically, and use the study and generate control strategy automatically of hot water custom, thereby according to detecting the control that data realize the functions such as relevant electric heating, Shang Shui, bright screen to solar water heater according to the user; And, by earth wire charged testing device is set, can the installation environment ground tape direct current and the alternating current situation of control system of solar energy water heater be detected automatically, and carry out superthreshold according to predefined alarm threshold value and report to the police, thereby the prompting installation personnel carries out respective handling to solar water heater wiring, distribution.
The utility model embodiment provides a kind of control system of solar energy water heater, and this control system comprises the infrared detecting device among above-mentioned arbitrary embodiment, also comprises: the earth wire charged testing device and second microcontroller;
Wherein, earth wire charged testing device comprises the first amplifier module U2A, the filtering circuit of ground signal, the filtering circuit of power supply, voltage follower circuit and RC filtering circuit, wherein, the filtering circuit of this ground signal connects the input end in the same way of the first amplifier module U2A, the filtering circuit of this power supply connects the input end in the same way of the power supply and the first amplifier module U2A, this voltage follower circuit connects reverse input end and the output terminal of the first amplifier module U2A, this RC filtering circuit connects the output terminal of the first amplifier module U2A, and the signal of this RC filtering circuit output can output to the A/D pin of second microcontroller 303; This earth wire charged testing device can detect the ground wire electrification situation automatically, when this ground wire electrification, can take place to report to the police automatically, and show ground wire amplitude with voltage, further, this earth wire charged testing device can carry out superthreshold according to predefined alarm threshold value reports to the police, and show ground wire amplitude with voltage.
Particularly; referring to Fig. 5; present embodiment with double operational circuit LM358 as the first amplifier module U2A; the 7th capacitor C 01 is imported the filtering circuit of the ground signal of the first amplifier module U2A as ground signal; the 7th resistance R 01 is as the negative feedback resistor of the first amplifier module; constitute voltage follower circuit; the 8th capacitor C 02 is as the filtering circuit of the power supply of the first amplifier module; the 8th resistance R 02 and the 9th capacitor C 03 constitute the RC filtering circuit of signal output; for example describes; the signal of this RC filtering circuit output can output to the A/D pin of second microcontroller 303; A/D pin collection for second microcontroller is used; present embodiment only describes with circuit structure shown in Figure 5 earth wire charged testing device to control system of solar energy water heater, does not limit protection domain of the present utility model with this.
Wherein, first end of the 7th capacitor C 01 connects the input end in the same way of the ground signal and the first amplifier module U2A, the second end ground connection of the 7th capacitor C 01; First end of the 8th capacitor C 02 connects the input end in the same way of the second source and the first amplifier module U2A, the second end ground connection of the 8th capacitor C 02; First end of the 7th resistance R 01 connects the reverse input end of the first amplifier module U2A, and second end of the 7th resistance R 01 connects the output terminal of the first amplifier module U2A; First end of the 8th resistance R 02 connects the output terminal of the first amplifier module U2A, and second end of the 8th resistance R 02 connects first end of the 9th capacitor C 03; First end of the 9th capacitor C 03 connects second end of the 8th resistance R 02, the second end ground connection of the 9th capacitor C 03.
Second microcontroller, be connected respectively with earth wire charged testing device with this infrared detecting device, and solar water heater is controlled according to the signal of this infrared detecting device output and the signal of this earth wire charged testing device output, this second microcontroller is a prior art, and present embodiment repeats no more.
Further, this control system of solar energy water heater also comprises an infrared remote control receiving trap, is connected with second microcontroller, can make things convenient for user's operation by infrared manipulation control system of solar energy water heater.
The system that present embodiment provides, not only can in certain zone, detect people's active situation automatically, and use the study and generate control strategy automatically of hot water custom, thereby according to detecting the control that data realize the functions such as relevant electric heating, Shang Shui, bright screen to solar water heater according to the user; And, by earth wire charged testing device is set, can the installation environment ground tape direct current and the alternating current situation of control system of solar energy water heater be detected automatically, and carry out superthreshold according to predefined alarm threshold value and report to the police, thereby the prompting installation personnel carries out respective handling to solar water heater wiring, distribution.
Referring to Fig. 6, the utility model embodiment provides a kind of control system of solar energy water heater, and this control system comprises infrared detecting device 401 and the earth wire charged testing device 402 among above-mentioned arbitrary embodiment, also comprises:
Earth leakage protective device 403 and the 3rd microcontroller 404; This earth leakage protective device 403 is connected with this earth wire charged testing device 402 with this infrared detecting device 401;
The 3rd microcontroller 404 is connected respectively with described infrared detecting device 401, this earth wire charged testing device 402 and this earth leakage protective device 403.
The system that present embodiment provides, not only can in certain zone, detect people's active situation automatically, and use the study and generate control strategy automatically of hot water custom according to the user, thereby according to detecting the control that data realize the functions such as relevant electric heating, Shang Shui, bright screen to solar water heater, can also the installation environment ground tape direct current and the alternating current situation of control system of solar energy water heater be detected automatically, and carry out superthreshold according to predefined alarm threshold value and report to the police, thereby the prompting installation personnel carries out respective handling to solar water heater wiring, distribution; And; by earth leakage protective device is set; can detect the electric leakage situation of all strong power parts of control system of solar energy water heater automatically; whether and it is working properly to detect himself circuit automatically at the solar water heater system run duration; in case detect the electric leakage situation; this earth leakage protective device can cut off all forceful electric power outputs of solar water heater system automatically, avoids personal safety to be on the hazard.
The utility model embodiment provides a kind of control system of solar energy water heater, and this control system comprises infrared detecting device and the earth wire charged testing device among above-mentioned arbitrary embodiment, also comprises: earth leakage protective device and the 3rd microcontroller;
Wherein, earth leakage protective device comprises: current balance type degree testing circuit, and operational amplification circuit and comparator circuit, this current balance type degree testing circuit connects this operational amplification circuit, and this operational amplification circuit connects comparator circuit; When electric leakage takes place in control system of solar energy water heater; current balance type degree testing circuit can detect this current balance type degree and change; and output induced voltage; after this induced voltage amplifies via operational amplification circuit; compare output through comparator circuit again; the signal of this output is used by the outer interruption pin collection of microcontroller, plays earth leakage protective effect.
Particularly; referring to Fig. 7; present embodiment is with the current balance type degree testing circuit of mutual inductor as control system of solar energy water heater; the second amplifier module U4A; the 9th resistance R 46; the tenth resistance R 47; the tenth capacitor C 31 and the 11 capacitor C 32 constitute operational amplification circuit; the 3rd amplifier module U4B; the 11 resistance R 48; the first potentiometer RP1; it is that example describes that the second potentiometer RP2 and the 12 capacitor C 33 constitute comparator circuit; signal through comparator circuit output is used by the outer interruption pin collection of microcontroller; present embodiment only describes with circuit structure shown in Figure 7 earth leakage protective device to control system of solar energy water heater, does not limit protection domain of the present utility model with this.
Wherein, this current balance type degree testing circuit comprises mutual inductor LF1, and first end of this mutual inductor LF1 connects first end of the 9th resistance R 46, the second end ground connection of mutual inductor LF1;
This operational amplification circuit comprises the second amplifier module U4A, the 9th resistance R 46, the tenth resistance R 47, the tenth capacitor C 31 and the 11 capacitor C 32; First end of the 9th resistance R 46 connects first end of mutual inductor LF1, and second end of the 9th resistance R 46 connects the input end in the same way of the second amplifier module U4A; First end of the tenth resistance R 47 connects the input end in the same way of the second amplifier module U4A, and second end of the tenth resistance R 47 connects the reverse input end of the 3rd amplifier module U4B; First end of the tenth capacitor C 31 connects the input end in the same way of the second amplifier module U4A, and second end of the tenth capacitor C 31 connects the reverse input end of the 3rd amplifier module U4B; First end of the 11 capacitor C 32 connects the 3rd power supply, and second end of the 11 capacitor C 32 connects the output terminal of the second amplifier module U4A;
This comparator circuit comprises the 3rd amplifier module U4B, the 11 resistance R 48, the first potentiometer RP1, the second potentiometer RP2 and the 12 capacitor C 33; First end of the 11 resistance R 48 connects the output terminal of the 3rd amplifier module U4B, and second end of the 11 resistance R 48 connects the inverse output terminal of the 3rd amplifier module U4B; First end of this first potentiometer RP1 connects the 4th power supply, the second end ground connection of the first potentiometer RP1; First end of this second potentiometer RP2 connects the inverse output terminal of the 3rd amplifier module U4B, the second end ground connection of the second potentiometer RP2; First end of the 12 capacitor C 33 connects the output terminal of the 3rd amplifier module U4B, the second end ground connection of the 12 capacitor C 33.
The 3rd microcontroller; be connected respectively with this infrared detecting device, this earth wire charged testing device and this earth leakage protective device; and solar water heater is controlled according to the signal of this infrared detecting device output, the signal with earth leakage protective device output of earth wire charged testing device output; the 3rd microcontroller is a prior art, and present embodiment repeats no more.
Further, this control system of solar energy water heater also comprises an infrared remote control receiving trap, is connected with the 3rd microcontroller, can make things convenient for user's operation by infrared manipulation control system of solar energy water heater.
The system that present embodiment provides, not only can in certain zone, detect people's active situation automatically, and use the study and generate control strategy automatically of hot water custom according to the user, thereby according to detecting the control that data realize the functions such as relevant electric heating, Shang Shui, bright screen to solar water heater, can also the installation environment ground tape direct current and the alternating current situation of control system of solar energy water heater be detected automatically, and carry out superthreshold according to predefined alarm threshold value and report to the police, thereby the prompting installation personnel carries out respective handling to solar water heater wiring, distribution; And; by earth leakage protective device is set; can detect the electric leakage situation of all strong power parts of control system of solar energy water heater automatically; whether and it is working properly to detect himself circuit automatically at the solar water heater system run duration; in case detect the electric leakage situation; this earth leakage protective device can cut off all forceful electric power outputs of solar water heater system automatically, avoids personal safety to be on the hazard.
All or part of content in the technical scheme that above embodiment provides can realize that its software program is stored in the storage medium that can read by software programming, storage medium for example: the hard disk in the computing machine, CD or floppy disk.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. an infrared detecting device is characterized in that, described device comprises infrared sensor, sensor signal process chip and peripheral circuit;
First port of described infrared sensor connects first power supply, and second port of described infrared sensor connects described sensor signal process chip, the 3rd port ground connection of described infrared sensor, and described peripheral circuit connects described sensor signal process chip.
2. infrared detecting device as claimed in claim 1, it is characterized in that, described sensor signal process chip comprises first order operational amplifier, second level operational amplifier and comparer, described first order operational amplifier connects described second level operational amplifier, and described second level operational amplifier connects described comparer;
Correspondingly, described peripheral circuit comprises signal detection circuit, signal amplification circuit, signal holding circuit and current-limiting resistance;
First end of described signal detection circuit connects described first order operational amplifier, the second end ground connection of described signal detection circuit; Described signal amplification circuit connects described second level operational amplifier, and second end of described signal amplification circuit connects described first order operational amplifier; First end of described signal holding circuit connects described comparer, the second end ground connection of described signal holding circuit; First end of described current-limiting resistance connects described comparer, and second end of described current-limiting resistance connects first microcontroller.
3. infrared detecting device as claimed in claim 2 is characterized in that, described signal detection circuit comprises first resistance (R7), second resistance (R8), first electric capacity (C4) and second electric capacity (C5);
First end of described first resistance (R7) connects the 16 pin (1OUT) of described sensor signal process chip, and second end of described first resistance (R7) connects the 15 pin (1IN-) of described sensor signal process chip; First end of described second resistance (R8) connects first end of described first electric capacity (C4), and second end of described second resistance (R8) connects first end of described second electric capacity (C5); First end of described first electric capacity (C4) connects first end of described first resistance (R7), and second end of described first electric capacity (C4) connects first end of described second resistance (R8); First end of described second electric capacity (C5) connects second end of described second resistance (R8), the second end ground connection of described second electric capacity (C5);
Correspondingly, described signal amplification circuit comprises the 3rd electric capacity (C3), the 4th electric capacity (C2), the 3rd resistance (R5), the 4th resistance (R6), the first signal operation amplifier and secondary signal operational amplifier;
First end of described the 3rd electric capacity (C3) connects first end of described the 4th resistance (R6), and second end of described the 3rd electric capacity (C3) connects the 16 pin (1OUT) of described sensor signal process chip; First end of described the 4th electric capacity (C2) connects the 13 pin (2IN-) of described sensor signal process chip, and second end of described the 4th electric capacity (C2) connects the 14 pin (1IN+) of described sensor signal process chip; First end of described the 3rd resistance (R5) connects first end of described the 4th electric capacity (C2), and second end of described the 3rd resistance (R5) connects second end of described the 4th electric capacity (C2); First end of described the 4th resistance (R6) connects first end of described the 3rd electric capacity (C3), and second end of described the 4th resistance (R6) connects first end of described the 4th electric capacity (C2);
Described signal holding circuit comprises the 5th electric capacity (C6), the 6th capacitor C 7), the 5th resistance (R9) and the 6th resistance (R10);
First end of described the 5th electric capacity (C6) connects the 4th pin (RC1) of described sensor signal process chip, the second end ground connection of described the 5th electric capacity (C6); First end of described the 6th electric capacity (C7) connects the 5th pin (RC2) of described sensor signal process chip, the second end ground connection of described the 6th electric capacity (C7); First end of described the 5th resistance (R9) connects the 6th pin (RR2) of described sensor signal process chip, and second end of described the 5th resistance (R9) connects first end of described the 6th electric capacity (C7); First end of described the 6th resistance (R10) connects the 3rd pin (RR1) of described sensor signal process chip, and second end of described the 6th resistance (R10) connects first end of described the 5th electric capacity (C6).
4. the control system of solar energy water heater of an application such as each described infrared detecting device of claim 1-3 is characterized in that described control system of solar energy water heater comprises infrared detecting device, also comprise,
First microcontroller connects described infrared detecting device.
5. control system of solar energy water heater as claimed in claim 4 is characterized in that, described control system of solar energy water heater also comprises the earth wire charged testing device and second microcontroller;
Described earth wire charged testing device connects described infrared detecting device;
Described second microcontroller is connected respectively with described measuring device with electricity with described infrared detecting device.
6. control system of solar energy water heater as claimed in claim 5 is characterized in that, described earth wire charged testing device comprises the filtering circuit of the first amplifier module, ground signal, filtering circuit, voltage follower circuit and the RC filtering circuit of power supply;
The filtering circuit of described ground signal connects the input end in the same way of the described first amplifier module; The filtering circuit of described power supply connects the input end in the same way of power supply and the described first amplifier module; Described voltage follower circuit connects the reverse input end and the output terminal of the described first amplifier module; Described RC filtering circuit connects the output terminal of the first amplifier module.
7. control system of solar energy water heater as claimed in claim 6, it is characterized in that, the filtering circuit of described ground signal comprises the 7th electric capacity (C01), described voltage follower circuit comprises the 7th resistance (R01), the filtering circuit of described power supply comprises the 8th electric capacity (C02), and described RC filtering circuit comprises the 8th resistance (R02) and the 9th electric capacity (C03);
First end of described the 7th electric capacity (C01) connects the input end in the same way of ground signal and the described first amplifier module, the second end ground connection of described the 7th electric capacity (C01);
First end of described the 8th electric capacity (C02) connects the input end in the same way of described second source and the described first amplifier module (U2A), the second end ground connection of described the 8th electric capacity (C02);
First end of described the 7th resistance (R01) connects the reverse input end of the described first amplifier module, and second end of described the 7th resistance (R01) connects the output terminal of the described first amplifier module;
First end of described the 8th resistance (R02) connects the output terminal of the described first amplifier module, and second end of described the 8th resistance (R02) connects first end of described the 9th electric capacity (C03);
First end of described the 9th electric capacity (C03) connects second end of described the 8th resistance (R02), the second end ground connection of described the 9th electric capacity (C03).
8. as each described control system of solar energy water heater of claim 4-7, it is characterized in that described control system of solar energy water heater also comprises earth leakage protective device and the 3rd microcontroller;
Described earth leakage protective device is connected with described earth wire charged testing device with described infrared detecting device;
Described the 3rd microcontroller is connected respectively with described infrared detecting device, described measuring device with electricity and described earth leakage protective device.
9. control system of solar energy water heater as claimed in claim 8 is characterized in that, described earth leakage protective device comprises current balance type degree testing circuit, operational amplification circuit and comparator circuit;
Described current balance type degree testing circuit connects described operational amplification circuit, and described operational amplification circuit connects described comparator circuit.
10. control system of solar energy water heater as claimed in claim 9, it is characterized in that, described current balance type degree testing circuit comprises mutual inductor (LF1), and first end of described mutual inductor (LF1) connects described operational amplification circuit, the second end ground connection of described mutual inductor (LF1);
Correspondingly, described operational amplification circuit comprises the second amplifier module (U4A), the 9th resistance (R46), the tenth resistance (R47), the tenth electric capacity (C31) and the 11 electric capacity (C32);
First end of described the 9th resistance R 46 connects first end of described mutual inductor (LF1), and second end of described the 9th resistance (R46) connects the input end in the same way of the described second amplifier module (U4A); First end of described the tenth resistance (R47) connects the input end in the same way of the described second amplifier module (U4A), and second end of described the tenth resistance (R47) connects the reverse input end of described the 3rd amplifier module (U4B); First end of described the tenth electric capacity (C31) connects the input end in the same way of the described second amplifier module (U4A), and second end of described the tenth electric capacity (C31) connects the reverse input end of described the 3rd amplifier module (U4B); First end of described the 11 electric capacity (C32) connects the 3rd power supply, and second end of described the 11 electric capacity (C32) connects the output terminal of the described second amplifier module (U4A);
Described comparator circuit comprises the 3rd amplifier module (U4B), the 11 resistance (R48), first potentiometer (RP1), second potentiometer (RP2) and the 12 electric capacity (C33);
First end of described the 11 resistance (R48) connects the output terminal of described the 3rd amplifier module (U4B), and second end of described the 11 resistance (R48) connects the inverse output terminal of described the 3rd amplifier module (U4B); First end of described first potentiometer (RP1) connects the 4th power supply, the second end ground connection of described first potentiometer (RP1); First end of described second potentiometer (RP2) connects the inverse output terminal of described the 3rd amplifier module (U4B), the second end ground connection of described second potentiometer (RP2); First end of described the 12 electric capacity (C33) connects the output terminal of described the 3rd amplifier module (U4B), the second end ground connection of described the 12 electric capacity (C33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206312432U CN201909674U (en) | 2010-11-25 | 2010-11-25 | Infrared detecting device and controlling system of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206312432U CN201909674U (en) | 2010-11-25 | 2010-11-25 | Infrared detecting device and controlling system of solar water heater |
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| Publication Number | Publication Date |
|---|---|
| CN201909674U true CN201909674U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206312432U Expired - Fee Related CN201909674U (en) | 2010-11-25 | 2010-11-25 | Infrared detecting device and controlling system of solar water heater |
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| CN (1) | CN201909674U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471250A (en) * | 2012-06-08 | 2013-12-25 | 海尔集团公司 | Water heater and control method thereof |
| CN105917172A (en) * | 2014-02-12 | 2016-08-31 | 赛·泽马赫 | Interactive learning water heating scheduler |
| CN108980920A (en) * | 2018-06-04 | 2018-12-11 | 广州市德弘五金制品有限公司 | A kind of electric ceramic heaters water boiling point detection system |
-
2010
- 2010-11-25 CN CN2010206312432U patent/CN201909674U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471250A (en) * | 2012-06-08 | 2013-12-25 | 海尔集团公司 | Water heater and control method thereof |
| CN105917172A (en) * | 2014-02-12 | 2016-08-31 | 赛·泽马赫 | Interactive learning water heating scheduler |
| CN108980920A (en) * | 2018-06-04 | 2018-12-11 | 广州市德弘五金制品有限公司 | A kind of electric ceramic heaters water boiling point detection system |
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