CN201586241U

CN201586241U - Ultraviolet lamp timing sterilization recorder

Info

Publication number: CN201586241U
Application number: CN2009202774124U
Authority: CN
Inventors: 高岩; 刘运喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-25
Filing date: 2009-11-25
Publication date: 2010-09-22
Anticipated expiration: 2019-11-25

Abstract

An ultraviolet lamp timing sterilization recorder comprises an intelligent control circuit, a display circuit, a bit-choice circuit, a keyboard circuit, a clock circuit, an external storage circuit, an executive circuit and the intelligent control circuit is composed of a single chip microcomputer and the display circuit is composed of a display driver and a digitron group; the digitron group is formed by side-by-side arranging six digitrons and the homonymy ends of each digitron for displaying the strokes are connected together and the bit-choice circuit is composed of a decoder; the keyboard circuit is composed of a first press key, a second press key, a third press key, a fourth press key and a fifth press key; the clock circuit is composed of a calender clock chip and the external storage circuit is composed of a repeatedly rewritable FLASH memory and the executive circuit is composed of a photoelectric coupler and a relay. The ultraviolet lamp timing sterilization recorder has features of simple operation, convenient use, safety and reliability, timing control of the ultraviolet lamp irradiation time, ensured sterilization effect, accumulation of ultraviolet lamp irradiation time for each time, adjustment for whether the working life of the ultraviolet lamp reaches or not, prevention of invalid sterilization of the ultraviolet lamp due to too long service time.

Description

The Burdick lamp monitor of regularly sterilizing

Technical field

This utility model belongs to the sterilizing equipment decontaminating apparatus technical field, relates to Burdick lamp timing controlled and time bulk registration instrument, specifically a kind of Burdick lamp monitor of regularly sterilizing.

Background technology

Burdick lamp is the sterilizing equipment decontaminating apparatus of using always, opens the ultraviolet that produces after 30～60 minutes and can effectively sterilize to the article of air and irradiation, reaches the purpose of prevention infection, assurance experiment and working condition.

Generally, the quartz burner irradiation accumulating time is best less than 5000 hours Disinfection Effects, and greater than 5000 hours, the uitraviolet intensity that quartz burner sends can descend, and the Disinfection Effect variation should in time be changed.But also there is not at present the instrument that can write down the quartz burner irradiation accumulating time.

In addition, in the prior art, time-controlled instrument is not carried out in the opening and closing of quartz burner yet, in disinfecting process, the operator often grasps inaccurate to disinfecting time, if the Burdick lamp irradiation time did not reach the regulation disinfecting time 30 minutes, can cause Disinfection Effect to guarantee.If the Burdick lamp irradiation time surpasses regulation disinfecting time 60 minutes, can cause energy waste, also may be because of producing too much ozone contaminated environment.Therefore, be badly in need of a kind of simple to operate, easy to use, safe and reliable ultraviolet lamp disinfection timing of invention and sterilization cumulative time monitor.

The utility model content

For addressing the above problem, the purpose of this utility model provides a kind of Burdick lamp monitor of regularly sterilizing, it is simple to operate, easy to use, safe and reliable, but timing controlled Burdick lamp irradiation time, guarantee Disinfection Effect, and each Burdick lamp irradiation time can be added up, judge whether the Burdick lamp working life arrives, prevent that Burdick lamp is because of the invalid situation of long appearance sterilization service time.

For achieving the above object, this utility model is by the following technical solutions:

A kind of Burdick lamp monitor of regularly sterilizing comprises that intelligence control circuit, display circuit, position select circuit, keyboard circuit, clock circuit, exterior storage circuit, executive circuit, it is characterized in that:

Described intelligence control circuit is made of single-chip microcomputer, and described display circuit is made of display driver and charactron group, and the charactron group is arranged by six digital tube side-by-sides and constituted, and each charactron is used to show that the end of the same name of stroke links together; Institute's rheme selects circuit to be made of decoder; Described keyboard circuit is made of the first, second, third, fourth, the 5th button, described clock circuit is made of calendar clock chip, described exterior storage circuit constitutes by repeating erasable FLASH memorizer, described executive circuit is made of photoelectrical coupler and relay, line between each several part circuit relation is: the P0.0 of single-chip microcomputer～P0.3 port is connected with four binary code inputs of display driver, and corresponding being used to shows the end connection of the same name of stroke in seven segment encode outfans of display driver and the charactron group; The P0.4 of single-chip microcomputer～P0.6 port is connected with three address input ends of decoder, and six tunnel positions of decoder select signal output part to be connected with six gating ends of charactron group through six crystal triodes respectively; Described first button is connected with the reset circuit of single-chip microcomputer, second, third, the 4th, the 5th button four tunnel positions that are connected across decoder select between the P0.7 port of signal output part and single-chip microcomputer; The serial data port of calendar clock chip is connected with the P3.3 port of single-chip microcomputer, the serial clock port of calendar clock chip is connected with the P3.4 port of single-chip microcomputer, the reseting port of calendar clock chip is connected with the P3.5 port of single-chip microcomputer, the serial input terminal mouth of FLASH memorizer, serial output terminal mouth and clock port go out from inbound port with the master of single-chip microcomputer respectively, the master goes into from outbound port, the serial clock port connects, the input of photoelectrical coupler is connected with the intervalometer port of single-chip microcomputer, the outfan of photoelectrical coupler is connected with power supply through the coil of relay, and the normally opened contact of relay is serially connected on the current supply circuit of Burdick lamp.

The model of described single-chip microcomputer is AT89S51; The model of display driver is 74LS47; The model of decoder is 74HC138, and the model of calendar clock chip is DS1302; The model of FLASH memorizer is AT45DB081.

Because adopt technique scheme: this utility model has following positive beneficial effect:

This monitor is mainly used in the timing controlled ultraviolet lamp disinfection time, establish two sterilization gear buttons on the monitor panel: it is 30 minutes that button K2 is used to set disinfecting time, it is 60 minutes that button K3 is used to set disinfecting time, operator can require to select disinfecting time according to sterilization, after monitor starts, postpone 5 minutes, treat that operator withdraw from a room after, connect the Burdick lamp circuit, avoid ultraviolet to operator's radiation and the arc-flash conjunctivitis that causes, the generation of burning of skin.After opening, monitor can detect disinfecting time and storage automatically, for management personnel provide each Burdick lamp logging accurately, be convenient to management personnel and judge the Burdick lamp working life, both guaranteed that the each irradiation time of Burdick lamp was effective, prevented again that Burdick lamp was because of the invalid situation of long appearance sterilization service time.This monitor can be widely used in the occasion that hospital, the clean test chamber of industrial or agricultural, livestock breeding industry, pharmacy and food industry etc. have the disinfection by ultraviolet light demand.

Description of drawings

Fig. 1 is the profile sketch map of this utility model one embodiment.

Fig. 2 is a circuit block diagram of the present utility model.

Fig. 3 is circuit theory diagrams of the present utility model.

The specific embodiment

Please refer to Fig. 1, Fig. 2, Fig. 3, this utility model is a kind of Burdick lamp monitor of regularly sterilizing, and comprises that intelligence control circuit, display circuit, position select circuit, keyboard circuit, clock circuit, exterior storage circuit, executive circuit.

Intelligence control circuit is made of the single-chip microcomputer U1 of AT89S51 model, and display circuit is made of the display driver U2 and the charactron group U6 of 74LS47 model; Charactron group U6 is arranged by six digital tube side-by-sides and constitutes, and the end of the same name that each charactron is used to show stroke " a, b, c, d, e, f, g " links together, and the position selects circuit to be made of the 3-8 line decoder U3 of 74HC138 model.

Keyboard circuit is made of the first, second, third, fourth, the 5th button K1, K2, K3, K4, K5, clock circuit is made of the calendar clock chip U4 of DS1302 model, the exterior storage circuit can repeat erasable FLASH memorizer U5 by the AT45DB081 model and constitute, executive circuit is made of photoelectrical coupler VT and relay J, and the wiring relation between the each several part circuit is:

The P0.0 of single-chip microcomputer U1～P0.3 port is connected with four binary code input ABCD of display driver U2, and corresponding being used to shows stroke the end of the same name of " a, b; c, d, e; f, g " connects among seven segment encode outfan a of display driver U2, b, c, d, e, f, g and the charactron group U6;

The P0.4 of single-chip microcomputer U1～P0.6 port is connected with three address input end A1, A2, the A3 of decoder U3, and six tunnel positions of decoder U3 select signal output part Y0-Y5 to be connected with six gating end COM of charactron group U6 through six crystal triode Q1, Q2, Q3, Q4, Q5, Q6 respectively;

The first button K1 is connected with the reset circuit of single-chip microcomputer U1, second, third, the 4th, the 5th button K2, K3, K4, K5 four tunnel positions that are connected across decoder U3 select between the P0.7 port of signal output part and single-chip microcomputer U1; The serial data port SDA of calendar clock chip U4 is connected with the P3.3 port of single-chip microcomputer U1, the serial clock port SCLK of calendar clock chip U4 is connected with the P3.4 port of single-chip microcomputer, the reseting port RST of calendar clock chip U4 is connected with the P3.5 port of single-chip microcomputer, the serial input terminal mouth SI of FLASH memorizer U5, serial output terminal mouth SO and clock port SCK go out from inbound port MOSI with the master of single-chip microcomputer U1 respectively, the master goes into from outbound port MISO, serial clock port SCK connects, the input of photoelectrical coupler VT is connected with the intervalometer port T0 of single-chip microcomputer U1, the outfan of photoelectrical coupler VT is connected with 12 volts of power supplys through the coil of relay J, and the normally opened contact of relay J is serially connected on the current supply circuit of Burdick lamp L.

Display circuit of the present utility model adopts dynamic driving, dynamic driving be with seven of all charactrons show strokes " a; b; c; d, e, f; g; " end of the same name link together, select circuit for the gating end COM of each charactron increases the position in addition, when single-chip microcomputer output word font code, all charactrons all receive identical graphemic code, but be that charactron can demonstrate font, depend on the control of single-chip microcomputer, so as long as will need the gating end of the charactron that shows to open actually to gating end COM, this position just demonstrates font, does not have the charactron of gating just can not be bright.Control the gating end COM of each charactron by timesharing, just can make the controlled successively demonstration of each charactron, dynamic driving that Here it is, in procedure for displaying, the time of lighting of bits per inch sign indicating number pipe is 1～2ms, because people's the persistence of vision phenomenon and the afterglow effect of light emitting diode, although in fact every charactron is not to light simultaneously, but as long as the speed of scanning is enough fast, giving people's impression is exactly one group of stable video data, does not have flickering, and dynamically the effect that shows is the same with static the demonstration, can save a large amount of I/O ports, and power consumption is lower.

The first button K1 is connected with the reset circuit of single-chip microcomputer U1, and the reset circuit of single-chip microcomputer U1 is to be made of resistance R 7 and capacitor C 5, and it utilizes the RC charging principle to realize electrification reset.The charging of powered on moment RC circuit, positive pulse appears in the RST pin of single-chip microcomputer U1, as long as the RST end keeps the above high level of 10ms, single-chip microcomputer U1 is effectively resetted.

Single-chip microcomputer can begin orderly executive utility from the 0000H address after resetting.Store charactron display routine, keyboard scan and button handling procedure, timer control program in the single-chip microcomputer.

On the panel of monitor, also be provided with second, third, the 4th, the 5th button K2, K3, K4, K5, during each the use, select disinfecting time by operator, after pressing sterilization gear button K2, disinfecting time is 30 minutes, after pressing sterilization gear button K3, disinfecting time is 60 minutes, after pressing sterilization gear button K2 or K3 at every turn, single-chip microcomputer U1 disconnects Burdick lamp earlier, but calls time delay subroutine, prolongs certain hour (can set 5 minutes), after treating that the operator leaves, again by port P3.0

The output high level signal, by phase inverter F1 anti-phase after, mode with the light electric coupling, it is electric that the coil of relay J is got, and connects the Burdick lamp power supply, and sterilization picks up counting, after the time of timing arrives, U1 port P3.0 output low level signal makes the coil losing electricity of relay J, cuts off the Burdick lamp power supply.

Each disinfectant time and date, single-chip microcomputer U1 can be stored among the FLASH memorizer U5, so that inquiry in the future, can query history record date and number of times by inquiry button K5, and the accumulative total disinfecting time.

This monitor is simple to operate, easy to use, safe and reliable, and the user can enter normal time status after starting monitor by button K1, and the user can be by button K4 alignment time at any time.

The Based Intelligent Control core of this monitor is single chip computer AT 89S51, the all functions of the compatible MCS-51 series monolithic of this monolithic function, and volume is little, the speed of service is fast, P0.0～P0.3 mouth by AT89S51 will show that the binary-coded decimal of character outputs to four inputs of 74LS47, decipher and export corresponding pen section then and come the driving LED charactron, the LED charactron shows the employing dynamic scan mode, at a time promptly, have only a charactron to be lighted, P0.4～P0.6 the output of signal by single-chip microcomputer is selected in the position of charactron, and after 74HC138 decoding, pass through audion Q1, Q2, Q3, Q4, Q5, Q6 amplifies, to drive corresponding charactron, keyboard circuit equally adopts scan mode with display circuit, and utilize charactron activation point signal when dynamically showing to judge the state of respective keys, the binary-coded decimal of the P0.4 of single-chip microcomputer～P0.6 port output is after decoder for decoding, corresponding Y mouth is low level, and the P0.7 mouth of AT89S51 is high level (because pull-up resistor is arranged) at ordinary times, have only when a certain button is pressed, P0.7 just by drop-down be low, at this moment, single-chip microcomputer U1 utilizes whether key scan program inquiring P0.7 is low, if P0.7 is a low level, then the read back value (reading) of single-chip microcomputer P0.4～.P0.6 mouth from relief area, and judge it is that button is pressed, call corresponding button processing subprogram then and handle.

The work process of this monitor is that the scanning of carrying out six charactrons that at first circulates shows, shows the current time, judges then to have or not button to press, and does not then return and continues to show, has button to turn to corresponding handling procedure by next.

Calendar clock chip DS1302 is the real time clock circuit of a kind of high-performance of releasing of U.S. DALLAS company, low-power consumption, band RAM; the DS1302 main feature is to adopt the serial data transmission; can be the power down protection power supply programmable charge function is provided, and can the charge closing function.Adopt common 32.768kHz crystal oscillator.It can to year, month, day, Sunday, the time, minute, second carries out timing, has the leap year compensate function, running voltage is 2.5V～5.5V.Adopt three-wire interface and CPU to carry out synchronous communication, the pin V1 of DS1302 is a back-up source, and V2 is a main power source.Under the situation that main power source cuts out, also can keep the continuous operation of clock.DS1302 is by V1 or the V2 the greater power supply among both.As V2 during greater than V1+0.2V, V2 powers to DS1302.As V2 during less than V1, DS1302 is powered by V1.X1 and X2 are oscillation sources, external 32.768kHz crystal oscillator.RST resets/chip select line, starts all data transmission by high level is put in RST input driving.The RST input has two kinds of functions: at first, RST connects control logic, allows the address/command sequence to send into shift register; Secondly, RST provides the transmission means that stop single byte or multibyte data.When RST was high level, all data transmitted and are initialised, and allowed DS1302 is operated.If RST is changed to low level in transport process, then can stop this secondary data and transmit, the SDA pin becomes high-impedance state.When powering on operation, before VCC 〉=2.5V, RST must keep low level.Only when SCLK is low level, RST could be changed to high level.SDA is serial data port (input and output is two-way), and SCLK is input all the time.During the rising edge of the next SCLK clock after control instruction word input, data are written into DS1302, and the data input is from promptly 0 of low level.Equally, in the data of reading DS1302 immediately following the trailing edge of the next SCLK pulse behind 8 the control instruction word, during sense data from 0 of low level to high-order 7.DS1302 has 12 depositors, wherein there are 7 depositors and calendar, clock relevant, the data bit of depositing is the binary-coded decimal form, and in addition, DS1302 also has time depositor, control register, charging depositor, clock burst register to reach the depositor relevant with RAM etc.The clock burst register can disposable order read-write all content of registers except that the charging depositor.The depositor that DS1302 is relevant with RAM is divided into two classes: a class is single ram cell, and totally 31, each monostatic configuration is one 8 a byte, and its command control word is C0H～FDH, and wherein odd number is read operation, and even number is a write operation; Another kind ofly be the ram register under the burst mode, 31 bytes of can disposable read-write under this mode all RAM, command control word is FEH (writing), FFH (reading).

Stand-by power supply E1 can be with battery or ultracapacitor (more than the 0.1F).DS1302 can be used for data record, particularly to the record of some data point that acquires a special sense, can realize data and the time that these data occur record simultaneously.Searching of the reason that this record occurs to long continuously TT﹠C system result's analysis and to abnormal data is significant.Traditional data record mode is every time sampling or timing sampling, does not have concrete time sheet, therefore, and can only record data and time that can't its appearance of accurate recording; But,, then can address this problem well if in system, adopt calendar clock chip DS1302.This monitor will be stored large-capacity data, if adopt the method for conventional expansion external data memory, need a large amount of address bus and data bus pins, and the number of pins of single-chip microcomputer is less relatively, there be not the address bus of abundant pin as external data memory, in order to solve this contradiction, this monitor is selected the AT45DB081 chip for use, utilizes serial peripheral equipment interface SPI expansion large capacity data memory.AT45DB081 is the FLASH memorizer that repeats erasable and compatible SPI that Atreel company releases, and inside has 4096 pages, and every page of 264 bytes amount to the main memory capacity of 8MB and the SRAM data buffer of 2 264 bytes.Be supported in system's overprogram, do not need higher program voltage, only need the running voltage 2.7～3.6V of chip just can finish read-write operation FLASH.To the instruction control that the operation of AT45DB021B is sent by single-chip microcomputer, an effective instruction begins at trailing edge, comprises the position of one 8 operation code and the page address that will operate and buffering regional address.Single-chip microcomputer judges by the busy-idle condition pin that P1.2 reads AT45DB081 whether memorizer is idle, if P1.2 is " 1 " expression memorizer free time, otherwise the expression memorizer is busy.When memorizer is idle, export " 0 " chip selection signal as memorizer by the P1.4 pin.Choose behind the memorizer and to send command word by SPI and finish corresponding read-write operation AT45DB081.

Claims

1. Burdick lamp monitor of regularly sterilizing comprises that intelligence control circuit, display circuit, position select circuit, keyboard circuit, clock circuit, exterior storage circuit, executive circuit, it is characterized in that:

2. the Burdick lamp as claimed in claim 1 monitor of regularly sterilizing, it is characterized in that: the model of described single-chip microcomputer is AT89S51; The model of display driver is 74LS47; The model of decoder is 74HC138, and the model of calendar clock chip is DS1302; The model of FLASH memorizer is AT45DB081.