CN204758559U - Chlorine detects and alarm device - Google Patents
Chlorine detects and alarm device Download PDFInfo
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- CN204758559U CN204758559U CN201520287044.7U CN201520287044U CN204758559U CN 204758559 U CN204758559 U CN 204758559U CN 201520287044 U CN201520287044 U CN 201520287044U CN 204758559 U CN204758559 U CN 204758559U
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Abstract
The utility model discloses a chlorine detects and alarm device. The utility model discloses by the controller module, power module, memory module, the signal acquisition module, display module and alarm device constitute. The device passes through the concentration information of signal acquisition module automatic acquisition chlorine in the air, and send the controller module with the electric current signal conversion of sensor conversion for the form of standard voltage signal, the controller module turns into data signal through internal integration's AD converter with voltage signal, and preserve this partial information at memory module, show through the display module simultaneously, when the concentration of chlorine reaches the maximum value of prescribing a limit to among the control module in the air, the controller module is opened alarm device automatically and is reported to the police. The utility model has the advantages of install small, simple to operate, the monitoring precision is high, the low price.
Description
Technical field
The utility model belongs to embedded system field, is specifically related to a kind of chlorine testing and alarm device.
Background technology
Embedded system is a kind of application-centered, and based on computer technology, software and hardware can cutting, adapts to the dedicated computer system that application system is strict with function, reliability, cost, volume, power consumption etc.Along with the development of technology, embedded system technology constantly applies to the field such as modern industry, agricultural.
Chlorine is the very serious chemical pollutant of a kind of environmental pollution, the physical and mental health affecting people that he can be serious.In the industry, chlorine leakage accident happens occasionally, the serious daily life having had influence on us.Existing chlorine checkout equipment is very many, but general volume is comparatively large, and cost is higher, and popularization degree is lower, is not suitable for a large amount of outfit.
Summary of the invention
The utility model is a kind of chlorine testing and alarm device proposed for above-mentioned present situation.
A kind of chlorine testing and alarm of the utility model device is by controller module, and power module, memory module, signal acquisition module, display module and warning device form.Power management module comprises 3.3V circuit and 5V circuit, and wherein 5V circuit is 3.3V circuit, controller module, and signal acquisition module and display module are powered; 3.3V circuit is that memory module and warning device are powered.Signal acquisition module gathers the concentration information of chlorine in atmosphere automatically, and the form current signal that sensor transforms being converted to standard voltage signal is sent to controller module, voltage signal is converted into digital signal by inner integrated AD converter by controller module, and this part information is kept at memory module, shown by display module simultaneously, when in air, the concentration of chlorine reaches the maximal value limited in control module, the automatic open alarming device of controller module is reported to the police.
Described controller module electricity route processors U2STC12C5A16S2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the 6th filter capacitor C6, the tenth filter capacitor C10, the first resistance R1 and crystal oscillator Y1 form; 4 pins of processor U2STC12C5A16S2, one end of the first resistance R1 are connected with one end of the tenth filter capacitor C10, the other end ground connection of the first resistance R1, and the other end of the tenth filter capacitor C10 is connected with VDD5.0; 14 pins of processor U2STC12C5A16S2, one end of crystal oscillator Y1 are connected with one end of the 6th filter capacitor C6; 15 pins of processor U2STC12C5A16S2, the other end of crystal oscillator Y1 are connected with one end of the 3rd filter capacitor C3; 16 pins of processor U2STC12C5A16S2, the other end of the 3rd filter capacitor C3 are connected with the other end of the 6th filter capacitor C6 and ground connection; One end of 38 pins of processor U2STC12C5A16S2, one end of the 5th filter capacitor C5, the 4th filter capacitor C4 is connected with VDD5.0; The other end of the 5th filter capacitor C5, the other end of the 4th filter capacitor C4 are connected and ground connection.
Described 5V electricity router chip U1LM2596S-5.0, the first polar capacitor C1, inductance L 1, voltage stabilizing diode D1 and the second polar capacitor C2 form; 1 pin of chip U1LM2596S-5.0, the anode of the first polar capacitor C1 are connected with VDD12; 3 pins of chip U1LM2596S-5.0,5 pins, the negative electrode of the first polar capacitor C1, the anode of voltage stabilizing diode D1 are connected with the negative electrode of the second polar capacitor C2 and ground connection; 2 pins of chip U1LM2596S-5.0, the negative electrode of voltage stabilizing diode D1 are connected with one end of inductance L 1; The anode of 4 pins of chip U1LM2596S-5.0, the other end of inductance L 1, the second polar capacitor C2 is connected with VDD5.0.
Described 3.3V electricity router chip U3SPX1117M3-3.3, the 3rd polar capacitor C9, the 7th filter capacitor C7, the 8th filter capacitor C8 form; One end of 1 pin of chip U3SPX1117M3-3.3, the anode of the 3rd polar capacitor C9, the 7th filter capacitor C7 is connected with VDD5.0; The other end of 2 pins of chip U3SPX1117M3-3.3, the negative electrode of the 3rd polar capacitor C9, the 7th filter capacitor C7 is connected with one end of the 8th filter capacitor C8 and ground connection; 3 pins of chip U3SPX1117M3-3.3, the other end of the 8th filter capacitor C8 are connected with VDD3.3.
Described memory module circuit is made up of storage chip U4AT45DB161D, the second resistance R2, the 3rd resistance R3 and the 11 filter capacitor C11; 1 pin of storage chip U4AT45DB161D is connected with the P4.1 of processor U2STC12C5A16S2; 2 pins of storage chip U4AT45DB161D are connected with the P4.3 of processor U2STC12C5A16S2; 4 pins of storage chip U4AT45DB161D are connected with the P4.0 of processor U2STC12C5A16S2; 8 pins of storage chip U4AT45DB161D are connected with the P4.2 of processor U2STC12C5A16S2; The 7 pin ground connection of storage chip U4AT45DB161D; 5 pins of storage chip U4AT45DB161D, the P4.4 of processor U2STC12C5A16S2 are connected with one end of the 3rd resistance R3; 3 pins of storage chip U4AT45DB161D are connected with one end of the second resistance R2; 6 pins of storage chip U4AT45DB161D, the other end of the second resistance R2, the other end of the 3rd resistance R3, one end of the 11 electric capacity C11 are connected with VDD3.3; The other end ground connection of the 11 electric capacity C11.
Described signal acquisition module circuit is made up of chlorine sensor socket P1, the 6th resistance R6, the 7th resistance R7, the 12 filter capacitor C12 and operational amplifier chip LM324; The 1 pin ground connection of chlorine sensor socket P1; 3 pins of chlorine sensor socket P1 are connected with VDD5.0; 2 pins of chlorine sensor socket P1, one end of the 6th resistance R6 are connected with one end of the 7th resistance R7; The other end of the 7th resistance R7 is connected with one end of the 12 electric capacity C12 and ground connection; The other end of the 12 electric capacity C12, the other end of the 6th resistance R6 are connected with 3 pins of operational amplifier chip LM324; 1 pin, 2 pins of operational amplifier chip LM324 are connected with the ADC0 of processor U2STC12C5A16S2; Be connected; 4 pins of operational amplifier chip LM324 are connected with VDD5.0; The 11 pin ground connection of operational amplifier chip LM324.
Described display module is made up of liquid crystal socket JP1, the 4th resistance R4, the 5th resistance R5.The 1 pin ground connection of liquid crystal socket JP1; 2 pins of liquid crystal socket JP1, one end of the 4th resistance R4 are connected with VDD5.0; 3 pins of liquid crystal socket JP1, the other end of the 4th resistance R4 are connected with one end of the 5th resistance R5; 4 pins of liquid crystal socket JP1 are connected with the P0.0 of processor U2STC12C5A16S2; 5 pins of liquid crystal socket JP1 are connected with the P0.1 of processor U2STC12C5A16S2; 6 pins of liquid crystal socket JP1 are connected with the P0.2 of processor U2STC12C5A16S2; 7 pins of liquid crystal socket JP1 are connected with the P0.3 of processor U2STC12C5A16S2; 8 pins of liquid crystal socket JP1 are connected with the P0.4 of processor U2STC12C5A16S2; 9 pins of liquid crystal socket JP1 are connected with the P0.5 of processor U2STC12C5A16S2; 10 pins of liquid crystal socket JP1 are connected with the P0.6 of processor U2STC12C5A16S2; 11 pins of liquid crystal socket JP1 are connected with the P0.7 of processor U2STC12C5A16S2; 12 pins of liquid crystal socket JP1 are connected with the P1.0 of processor U2STC12C5A16S2; 13 pins of liquid crystal socket JP1 are connected with the P1.1 of processor U2STC12C5A16S2; 14 pins of liquid crystal socket JP1 are connected with the P1.4 of processor U2STC12C5A16S2; 15 pins of liquid crystal socket JP1 are connected with the other end of the 5th resistance R5 and ground connection; 16 pins of liquid crystal socket JP1 are connected with VDD5.0.
Described warning device circuit is made up of the 8th resistance R8, the 9th resistance R9, the 13 filter capacitor C13, triode Q1 and loudspeaker LS1; The P4.0 of processor U2STC12C5A16S2, one end of the 8th resistance R8 are connected with one end of the 9th resistance R9; The other end of the 8th resistance R8 is connected with VDD3.3; The other end of the 9th resistance R9 is connected with 2 pins of triode Q1; 1 pin of triode Q1, one end of the 13 filter capacitor C13 are connected with VDD3.3; 3 pins of triode Q1 are connected with one end of loudspeaker LS1; The other end ground connection of loudspeaker LS1.
The beneficial effects of the utility model: this device volume is little, easy for installation, and monitoring accuracy is high, low price.
Accompanying drawing explanation.
Fig. 1 is hardware configuration schematic diagram of the present utility model.
Fig. 2 is controller module circuit theory diagrams of the present utility model.
Fig. 3 is 5V circuit theory diagrams of the present utility model.
Fig. 4 is 3.3V circuit theory diagrams of the present utility model.
Fig. 5 is memory module circuit theory diagrams of the present utility model.
Fig. 6 is signal acquisition module circuit theory diagrams of the present utility model.
Fig. 7 is display module circuit theory diagrams of the present utility model.
Fig. 8 is warning device circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, specific description is done to modules in the utility model.
As shown in Figure 1, a kind of chlorine testing and alarm device is by controller module 1, and power module 2, memory module 3, signal acquisition module 4, display module 5 and warning device 6 form.Power management module comprises 3.3V circuit 2-2 and 5V circuit 2-1, and wherein 5V circuit 2-1 is 3.3V circuit 2-2, controller module 1, and signal acquisition module 4 and display module 5 are powered; 3.3V circuit 2-2 is that memory module 3 and warning device 6 are powered.Signal acquisition module 4 gathers the concentration information of chlorine in atmosphere automatically, and the form current signal that sensor transforms being converted to standard voltage signal is sent to controller module 1, voltage signal is converted into digital signal by inner integrated AD converter by controller module 1, and this part information is kept at memory module 3, shown by display module 5 simultaneously, when in air, the concentration of chlorine reaches the maximal value limited in control module, controller module 1 automatically open alarming device 6 is reported to the police.
As shown in Figure 2, described controller module electricity route processors U2STC12C5A16S2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the 6th filter capacitor C6, the tenth filter capacitor C10, the first resistance R1 and crystal oscillator Y1 form; 4 pins of processor U2STC12C5A16S2, one end of the first resistance R1 are connected with one end of the tenth filter capacitor C10, the other end ground connection of the first resistance R1, and the other end of the tenth filter capacitor C10 is connected with VDD5.0; 14 pins of processor U2STC12C5A16S2, one end of crystal oscillator Y1 are connected with one end of the 6th filter capacitor C6; 15 pins of processor U2STC12C5A16S2, the other end of crystal oscillator Y1 are connected with one end of the 3rd filter capacitor C3; 16 pins of processor U2STC12C5A16S2, the other end of the 3rd filter capacitor C3 are connected with the other end of the 6th filter capacitor C6 and ground connection; One end of 38 pins of processor U2STC12C5A16S2, one end of the 5th filter capacitor C5, the 4th filter capacitor C4 is connected with VDD5.0; The other end of the 5th filter capacitor C5, the other end of the 4th filter capacitor C4 are connected and ground connection.
As shown in Figure 3, described 5V electricity router chip U1LM2596S-5.0, the first polar capacitor C1, inductance L 1, voltage stabilizing diode D1 and the second polar capacitor C2 form; 1 pin of chip U1LM2596S-5.0, the anode of the first polar capacitor C1 are connected with VDD12; 3 pins of chip U1LM2596S-5.0,5 pins, the negative electrode of the first polar capacitor C1, the anode of voltage stabilizing diode D1 are connected with the negative electrode of the second polar capacitor C2 and ground connection; 2 pins of chip U1LM2596S-5.0, the negative electrode of voltage stabilizing diode D1 are connected with one end of inductance L 1; The anode of 4 pins of chip U1LM2596S-5.0, the other end of inductance L 1, the second polar capacitor C2 is connected with VDD5.0.
As shown in Figure 4, described 3.3V electricity router chip U3SPX1117M3-3.3, the 3rd polar capacitor C9, the 7th filter capacitor C7, the 8th filter capacitor C8 form; One end of 1 pin of chip U3SPX1117M3-3.3, the anode of the 3rd polar capacitor C9, the 7th filter capacitor C7 is connected with VDD5.0; The other end of 2 pins of chip U3SPX1117M3-3.3, the negative electrode of the 3rd polar capacitor C9, the 7th filter capacitor C7 is connected with one end of the 8th filter capacitor C8 and ground connection; 3 pins of chip U3SPX1117M3-3.3, the other end of the 8th filter capacitor C8 are connected with VDD3.3.
As shown in Figure 5, described memory module circuit is made up of storage chip U4AT45DB161D, the second resistance R2, the 3rd resistance R3 and the 11 filter capacitor C11; 1 pin of storage chip U4AT45DB161D is connected with the P4.1 of processor U2STC12C5A16S2; 2 pins of storage chip U4AT45DB161D are connected with the P4.3 of processor U2STC12C5A16S2; 4 pins of storage chip U4AT45DB161D are connected with the P4.0 of processor U2STC12C5A16S2; 8 pins of storage chip U4AT45DB161D are connected with the P4.2 of processor U2STC12C5A16S2; The 7 pin ground connection of storage chip U4AT45DB161D; 5 pins of storage chip U4AT45DB161D, the P4.4 of processor U2STC12C5A16S2 are connected with one end of the 3rd resistance R3; 3 pins of storage chip U4AT45DB161D are connected with one end of the second resistance R2; 6 pins of storage chip U4AT45DB161D, the other end of the second resistance R2, the other end of the 3rd resistance R3, one end of the 11 electric capacity C11 are connected with VDD3.3; The other end ground connection of the 11 electric capacity C11.
As shown in Figure 6, described signal acquisition module circuit is made up of chlorine sensor socket P1, the 6th resistance R6, the 7th resistance R7, the 12 filter capacitor C12 and operational amplifier chip LM324; The 1 pin ground connection of chlorine sensor socket P1; 3 pins of chlorine sensor socket P1 are connected with VDD5.0; 2 pins of chlorine sensor socket P1, one end of the 6th resistance R6 are connected with one end of the 7th resistance R7; The other end of the 7th resistance R7 is connected with one end of the 12 electric capacity C12 and ground connection; The other end of the 12 electric capacity C12, the other end of the 6th resistance R6 are connected with 3 pins of operational amplifier chip LM324; 1 pin, 2 pins of operational amplifier chip LM324 are connected with the ADC0 of processor U2STC12C5A16S2; Be connected; 4 pins of operational amplifier chip LM324 are connected with VDD5.0; The 11 pin ground connection of operational amplifier chip LM324.
As shown in Figure 7, described display module is made up of liquid crystal socket JP1, the 4th resistance R4, the 5th resistance R5.The 1 pin ground connection of liquid crystal socket JP1; 2 pins of liquid crystal socket JP1, one end of the 4th resistance R4 are connected with VDD5.0; 3 pins of liquid crystal socket JP1, the other end of the 4th resistance R4 are connected with one end of the 5th resistance R5; 4 pins of liquid crystal socket JP1 are connected with the P0.0 of processor U2STC12C5A16S2; 5 pins of liquid crystal socket JP1 are connected with the P0.1 of processor U2STC12C5A16S2; 6 pins of liquid crystal socket JP1 are connected with the P0.2 of processor U2STC12C5A16S2; 7 pins of liquid crystal socket JP1 are connected with the P0.3 of processor U2STC12C5A16S2; 8 pins of liquid crystal socket JP1 are connected with the P0.4 of processor U2STC12C5A16S2; 9 pins of liquid crystal socket JP1 are connected with the P0.5 of processor U2STC12C5A16S2; 10 pins of liquid crystal socket JP1 are connected with the P0.6 of processor U2STC12C5A16S2; 11 pins of liquid crystal socket JP1 are connected with the P0.7 of processor U2STC12C5A16S2; 12 pins of liquid crystal socket JP1 are connected with the P1.0 of processor U2STC12C5A16S2; 13 pins of liquid crystal socket JP1 are connected with the P1.1 of processor U2STC12C5A16S2; 14 pins of liquid crystal socket JP1 are connected with the P1.4 of processor U2STC12C5A16S2; 15 pins of liquid crystal socket JP1 are connected with the other end of the 5th resistance R5 and ground connection; 16 pins of liquid crystal socket JP1 are connected with VDD5.0.
As shown in Figure 8, described warning device circuit is made up of the 8th resistance R8, the 9th resistance R9, the 13 filter capacitor C13, triode Q1 and loudspeaker LS1; The P4.0 of processor U2STC12C5A16S2, one end of the 8th resistance R8 are connected with one end of the 9th resistance R9; The other end of the 8th resistance R8 is connected with VDD3.3; The other end of the 9th resistance R9 is connected with 2 pins of triode Q1; 1 pin of triode Q1, one end of the 13 filter capacitor C13 are connected with VDD3.3; 3 pins of triode Q1 are connected with one end of loudspeaker LS1; The other end ground connection of loudspeaker LS1.
A kind of groundwork process of chlorine testing and alarm device is as follows: signal acquisition module gathers the concentration information of chlorine in atmosphere automatically, and the form current signal that sensor transforms being converted to standard voltage signal is sent to controller module, voltage signal is converted into digital signal by inner integrated AD converter by controller module, and this part information is kept at memory module, shown by display module simultaneously, when in air, the concentration of chlorine reaches the maximal value limited in control module, the automatic open alarming device of controller module is reported to the police.
Claims (1)
1. chlorine testing and alarm device is by a controller module, power module, memory module, signal acquisition module, display module and warning device composition; Power management module comprises 3.3V circuit and 5V circuit, and wherein 5V circuit is controller module, and signal acquisition module and display module are powered; 3.3V circuit is 5V circuit, and memory module and warning device are powered; Signal acquisition module gathers the concentration information of chlorine in atmosphere automatically, and the form current signal that sensor transforms being converted to standard voltage signal is sent to controller module, voltage signal is converted into digital signal by inner integrated AD converter by controller module, and this part information is kept at memory module, shown by display module simultaneously, when in air, the concentration of chlorine reaches the maximal value limited in control module, the automatic open alarming device of controller module is reported to the police;
Its feature: described chlorine testing and alarm device, controller module electricity route processors U2STC12C5A16S2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the 6th filter capacitor C6, the tenth filter capacitor C10, the first resistance R1 and crystal oscillator Y1 form; 4 pins of processor U2STC12C5A16S2, one end of the first resistance R1 are connected with one end of the tenth filter capacitor C10, the other end ground connection of the first resistance R1, and the other end of the tenth filter capacitor C10 is connected with VDD5.0; 14 pins of processor U2STC12C5A16S2, one end of crystal oscillator Y1 are connected with one end of the 6th filter capacitor C6; 15 pins of processor U2STC12C5A16S2, the other end of crystal oscillator Y1 are connected with one end of the 3rd filter capacitor C3; 16 pins of processor U2STC12C5A16S2, the other end of the 3rd filter capacitor C3 are connected with the other end of the 6th filter capacitor C6 and ground connection; One end of 38 pins of processor U2STC12C5A16S2, one end of the 5th filter capacitor C5, the 4th filter capacitor C4 is connected with VDD5.0; The other end of the 5th filter capacitor C5, the other end of the 4th filter capacitor C4 are connected and ground connection;
Described chlorine testing and alarm device, 5V electricity router chip U1LM2596S-5.0, the first polar capacitor C1, inductance L 1, voltage stabilizing diode D1 and the second polar capacitor C2 form; 1 pin of chip U1LM2596S-5.0, the anode of the first polar capacitor C1 are connected with VDD12; 3 pins of chip U1LM2596S-5.0,5 pins, the negative electrode of the first polar capacitor C1, the anode of voltage stabilizing diode D1 are connected with the negative electrode of the second polar capacitor C2 and ground connection; 2 pins of chip U1LM2596S-5.0, the negative electrode of voltage stabilizing diode D1 are connected with one end of inductance L 1; The anode of 4 pins of chip U1LM2596S-5.0, the other end of inductance L 1, the second polar capacitor C2 is connected with VDD5.0;
Described chlorine testing and alarm device, 3.3V electricity router chip U3SPX1117M3-3.3, the 3rd polar capacitor C9, the 7th filter capacitor C7, the 8th filter capacitor C8 form; One end of 1 pin of chip U3SPX1117M3-3.3, the anode of the 3rd polar capacitor C9, the 7th filter capacitor C7 is connected with VDD5.0; The other end of 2 pins of chip U3SPX1117M3-3.3, the negative electrode of the 3rd polar capacitor C9, the 7th filter capacitor C7 is connected with one end of the 8th filter capacitor C8 and ground connection; 3 pins of chip U3SPX1117M3-3.3, the other end of the 8th filter capacitor C8 are connected with VDD3.3;
Described chlorine testing and alarm device, memory module circuit is made up of storage chip U4AT45DB161D, the second resistance R2, the 3rd resistance R3 and the 11 filter capacitor C11; 1 pin of storage chip U4AT45DB161D is connected with the P4.1 of processor U2STC12C5A16S2; 2 pins of storage chip U4AT45DB161D are connected with the P4.3 of processor U2STC12C5A16S2; 4 pins of storage chip U4AT45DB161D are connected with the P4.0 of processor U2STC12C5A16S2; 8 pins of storage chip U4AT45DB161D are connected with the P4.2 of processor U2STC12C5A16S2; The 7 pin ground connection of storage chip U4AT45DB161D; 5 pins of storage chip U4AT45DB161D, the P4.4 of processor U2STC12C5A16S2 are connected with one end of the 3rd resistance R3; 3 pins of storage chip U4AT45DB161D are connected with one end of the second resistance R2; 6 pins of storage chip U4AT45DB161D, the other end of the second resistance R2, the other end of the 3rd resistance R3, one end of the 11 electric capacity C11 are connected with VDD3.3; The other end ground connection of the 11 electric capacity C11;
Described chlorine testing and alarm device, signal acquisition module circuit is made up of chlorine sensor socket P1, the 6th resistance R6, the 7th resistance R7, the 12 filter capacitor C12 and operational amplifier chip LM324; The 1 pin ground connection of chlorine sensor socket P1; 3 pins of chlorine sensor socket P1 are connected with VDD5.0; 2 pins of chlorine sensor socket P1, one end of the 6th resistance R6 are connected with one end of the 7th resistance R7; The other end of the 7th resistance R7 is connected with one end of the 12 electric capacity C12 and ground connection; The other end of the 12 electric capacity C12, the other end of the 6th resistance R6 are connected with 3 pins of operational amplifier chip LM324; 1 pin, 2 pins of operational amplifier chip LM324 are connected with the ADC0 of processor U2STC12C5A16S2; Be connected; 4 pins of operational amplifier chip LM324 are connected with VDD5.0; The 11 pin ground connection of operational amplifier chip LM324;
Described chlorine testing and alarm device, display module is made up of liquid crystal socket JP1, the 4th resistance R4, the 5th resistance R5; The 1 pin ground connection of liquid crystal socket JP1; 2 pins of liquid crystal socket JP1, one end of the 4th resistance R4 are connected with VDD5.0; 3 pins of liquid crystal socket JP1, the other end of the 4th resistance R4 are connected with one end of the 5th resistance R5; 4 pins of liquid crystal socket JP1 are connected with the P0.0 of processor U2STC12C5A16S2; 5 pins of liquid crystal socket JP1 are connected with the P0.1 of processor U2STC12C5A16S2; 6 pins of liquid crystal socket JP1 are connected with the P0.2 of processor U2STC12C5A16S2; 7 pins of liquid crystal socket JP1 are connected with the P0.3 of processor U2STC12C5A16S2; 8 pins of liquid crystal socket JP1 are connected with the P0.4 of processor U2STC12C5A16S2; 9 pins of liquid crystal socket JP1 are connected with the P0.5 of processor U2STC12C5A16S2; 10 pins of liquid crystal socket JP1 are connected with the P0.6 of processor U2STC12C5A16S2; 11 pins of liquid crystal socket JP1 are connected with the P0.7 of processor U2STC12C5A16S2; 12 pins of liquid crystal socket JP1 are connected with the P1.0 of processor U2STC12C5A16S2; 13 pins of liquid crystal socket JP1 are connected with the P1.1 of processor U2STC12C5A16S2; 14 pins of liquid crystal socket JP1 are connected with the P1.4 of processor U2STC12C5A16S2; 15 pins of liquid crystal socket JP1 are connected with the other end of the 5th resistance R5 and ground connection; 16 pins of liquid crystal socket JP1 are connected with VDD5.0;
Described chlorine testing and alarm device, warning device circuit is made up of the 8th resistance R8, the 9th resistance R9, the 13 filter capacitor C13, triode Q1 and loudspeaker LS1; The P4.0 of processor U2STC12C5A16S2, one end of the 8th resistance R8 are connected with one end of the 9th resistance R9; The other end of the 8th resistance R8 is connected with VDD3.3; The other end of the 9th resistance R9 is connected with 2 pins of triode Q1; 1 pin of triode Q1, one end of the 13 filter capacitor C13 are connected with VDD3.3; 3 pins of triode Q1 are connected with one end of loudspeaker LS1; The other end ground connection of loudspeaker LS1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287044.7U CN204758559U (en) | 2015-05-06 | 2015-05-06 | Chlorine detects and alarm device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287044.7U CN204758559U (en) | 2015-05-06 | 2015-05-06 | Chlorine detects and alarm device |
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| CN204758559U true CN204758559U (en) | 2015-11-11 |
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| CN201520287044.7U Expired - Fee Related CN204758559U (en) | 2015-05-06 | 2015-05-06 | Chlorine detects and alarm device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792944A (en) * | 2015-05-06 | 2015-07-22 | 柴俊沙 | Chlorine gas detection and alarm device |
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2015
- 2015-05-06 CN CN201520287044.7U patent/CN204758559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792944A (en) * | 2015-05-06 | 2015-07-22 | 柴俊沙 | Chlorine gas detection and alarm device |
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