CN103713590B - GMB clean room environment monitoring system - Google Patents
GMB clean room environment monitoring system Download PDFInfo
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- CN103713590B CN103713590B CN201310594913.6A CN201310594913A CN103713590B CN 103713590 B CN103713590 B CN 103713590B CN 201310594913 A CN201310594913 A CN 201310594913A CN 103713590 B CN103713590 B CN 103713590B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention provides a GMB clean room environment monitoring system, comprising a central processing module, a power supply module, a data acquisition module, a communication module, a display module, and a peripheral control module. The central processing module is a single-chip microcomputer and comprises multiple I/O interfaces and data storage units. The output end of the data acquisition module, the output and input ends of the communication module, and the triggering end of the display module are connected to the I/O interfaces of the single-chip microcomputer. The display module comprises an LED nixie tube unit and an acousto-optic alarm unit. The peripheral control module comprises a real-time monitoring unit, a data querying/controlling unit used for querying or deleting, a parameter setting unit, a data printing unit, and a communication management unit. Compared with similar systems in the prior art, the GMB clean room environment monitoring system of the invention has the advantages that the system is integrated and configured to be a multi-functional high-integrated-level embedded system; and the central processing module and the peripheral control module are connected so that the remote control of all monitoring points is achieved.
Description
Technical field
The present invention relates to a kind of environmental monitoring system is and in particular to a kind of gmp clean room environment monitoring system.
Background technology
Gmp is " Good Manufacturing Practice and Quality Control of Drug " english abbreviation, and gmp is the standard substantially of pharmaceutical production and quality management
Then, mandatory to the accuracy of the reasonability of enterprise production process, the suitability of production equipment and production operation, standardization proposition
Require.Due to the particularity of medical product, there are very high requirement, the production of a lot of products or research to the cleanliness factor of production environment
It is required for completing in clean interior, the cleanliness factor of air that the main effect in toilet is to control product to be contacted, warm and humid
Degree and pressure reduction etc., enable product to produce in a good environment space, manufacture.In order to ensure the quality of medicine, maximum limit
Degree ground reduces the pollution in drug production process, and this is accomplished by carrying out real-time monitoring to the environment in pharmaceutical production.
In prior art, environmental monitoring system is had number to is sent the analog signal data collecting using sensor
Word controller, analog signal data is converted into digital signal data and is transferred to computer by digitial controller, by computer pair
Data is transferred to led screen display by communication interface after processing further, and this monitoring system integrated level is low, cost and
Tedious process.
Also have in the prior art using transmitter will collect data through transmitter process be transferred to by communication interface
CS central controller, central controller transfers data to led screen display real time data, and central controller can also be by logical
Communication interface transfers data to ancillary equipment, forms data base, can carry out remotely control to data, this germline on ancillary equipment
Transmitter and central controller are all integrated in led screen system, control compared with former system this utilization transmitter and central authorities
The level of integrated system of device processing data is higher and realizes the remote control to data.
Above monitoring system all enables the collection to environmental data and the function of real-time display, but all can not be to not just
Regular data prompting warning, and the integrated level of the first system is not high, production cost is high；Although second system improves integrated
Degree, but only it is integrated with the function that data acquisition data signal conversion part divides, integrated level need to be improved.
Content of the invention
The invention aims to solution the deficiencies in the prior art, one kind is provided by data acquisition, communication, display and to control
Function processed is highly integrated together, improves system integration, and the gmp clean room environment monitoring system of energy reduces cost further
System.
The gmp clean room environment monitoring system of the present invention, including central processing module, power module, data acquisition module,
Communication module, display module and control system, described power module is used for providing the working power of system, and described data is adopted
Collection module, communication module and display module are connected with central processing module；Central processing module passes through communication interface and contains outward
Molding block is connected；
It is characterized in that: described central processing module is single-chip microcomputer, has multiple i/o interface data memory element, institute
The triggering end stating the outfan, communication module I/O and display module of data acquisition module is connected to the i/o of single-chip microcomputer and connects
On mouth；Described display module includes led number pipe unit harmony light alarm unit；Described control system is included for showing
The real-time monitoring unit of Real-time Monitoring Data, for inquiring about or delete, show that historical data and the data of setting querying condition are looked into
Inquiry/control unit, the data-printing unit for arranging the sampling parameter parameter set unit arranging, being used for print data, with
And for scanning the communication management unit of communication port, setting communication module.
Control system can be more straightforward display real time data because real time data is formed on ancillary equipment
Data base it is possible to inquire about or delete the history data in control system, join by the time of setting data acquisition and collection
The preset value of number, and print data, this greatly simplifies the operational degree of monitoring, make system become more intelligent.
Described data acquisition module includes sensor con1 to sensor con3, resistance circuit cha, resistance circuit chb and
Resistance circuit chc；Described resistance circuit cha by 4 similar resistance resistance rn1 to resistance rn4 parallel circuit and electric capacity c10 simultaneously
Connection ground is constituted, and the other end of resistance circuit cha exports through resistance r3 after connecting the outfan of sensor con1 and processes mould to central authorities
Block；Described resistance circuit chb by 4 similar resistance resistance rn5 to resistance rn8 parallel circuit and electric capacity c11 earth structure
Become, the other end of resistance circuit chb exports to central processing module through resistance r4 after connecting the outfan of sensor con2；Described electricity
Resistance circuit chc is made up of with electric capacity c12 earth to resistance rn12 parallel circuit the resistance rn9 of 4 similar resistance, resistance electricity
The other end of road chc exports to central processing module through resistance r5 after connecting the outfan of sensor con3.
Sensor con1 to sensor con3 respectively detects parameters of temperature, humidity, wind speed and pressure test device, sensing
Device con1 is Temperature Humidity Sensor, can output temperature and humidity simultaneously detection data, simplify circuit design, save cost；
Resistance circuit cha, resistance circuit chb and resistance circuit chc are pull down resistor circuit, make the signal that sensor exports more stable.
Described power module includes bridge rectifier and mu balanced circuit, and bridge rectifier converts alternating current to system
The required DC voltage of work, the input vin of the voltage after rectification and the first integrated voltage-stabilized chip lm2575, the first polarity electricity
The positive pole holding ce7 is connected with one end of polarity free capacitor c1, and the negative pole of the first polar capacitor ce7 and polarity free capacitor c1's is another
End ground connection；Control signal on/off of the first integrated voltage-stabilized chip lm2575 is public with the first integrated voltage-stabilized chip lm2575
End gnd is connected and is grounded；The outfan out of the first integrated voltage-stabilized chip lm2575 connects the negative of inductance l1 and diode d1 respectively
Pole, the plus earth of diode d1, the other end of inductance l1 respectively with ground capacity c5, and in parallel with electric capacity c3 by resistance r12
Circuit on one side afterwards connects, and the circuit other end after resistance r12 is in parallel with electric capacity c3 connects the first integrated voltage-stabilized chip respectively
The voltage input end vin of the feedback end adj of lm2575 and earth resistance r11 second integrated voltage-stabilized chip lm2575 connects respectively by
Output voltage after inductance l1 for the outfan out of one voltage stabilizing chip lm2575 and the positive pole of the second polar capacitor ce8；Second pole
The minus earth of property electric capacity ce8；Control signal on/off of the second integrated voltage-stabilized chip lm2575 and the second integrated voltage-stabilized core
The common port gnd of piece lm2575 is connected and is grounded；The outfan out of the second integrated voltage-stabilized chip lm2575 connect respectively inductance l2 and
The negative pole of diode d2, the plus earth of diode d2, the other end of inductance l2 respectively with ground capacity c6, with by resistance r14
Connect with the circuit on one side after electric capacity c4 parallel connection, it is integrated that the circuit other end after resistance r14 is in parallel with electric capacity c4 connects second respectively
The feedback end adj of voltage stabilizing chip lm2575 and earth resistance r13；Voltage after rectification divides two-way to export, and a road is the first voltage stabilizing
Output voltage after inductance l1 for the outfan out of chip lm2575, another road is the outfan of the second voltage stabilizing chip lm2575
Output voltage after inductance l2 for the out.
Using bridge rectifier, alternating current is pressed into DC voltage in power module, by 24v alternating current in the present embodiment
It is converted into 24v unidirectional current, and by the first integrated voltage-stabilized chip lm2575 voltage stabilizing output, by the second integrated voltage-stabilized chip
Lm2575 realizes the conversion of 24v and 5v voltage, in order to avoid the electric current of the circuit after rectification is excessive, employs fuse to protect
Circuit, two integrated voltage-stabilized chips have provided a system to more stable voltage.
Described communication module includes chip 75176b, and the 8 foot vcc of chip 75176b connect supply voltage, and the 6 of chip 75176b
Foot is connected to 3 feet of interface 485 through resistance r7,7 feet of chip 75176b, 1 foot through resistance r6 to interface 485,1 foot of interface 485
It is connected to resistance r8 and 3 feet of interface 485 between, the 5 foot vss of chip 75176b are connected to 2 feet of interface 485 and are grounded, chip
The 3 foot de of the 2 foot re and chip 75176b of 75176b are connected with the corresponding interface of central processing module after being connected, chip 75176b
1 foot rxd and the 4 foot txd of chip 75176b connect the corresponding interface of central processing module respectively and connect, 1 foot rxd of chip
For the receiving terminal of data, the 4 foot txd of chip 75176b are the transmitting terminal of data.
Described acousto-optic warning unit includes audion q1, audion q2, buzzer and two light emitting diodes, audion q1
Emitter stage connect supply voltage, the base stage of audion q1 is connected with the voice interface in central processing module after connecting resistance r18,
The colelctor electrode of audion q1 is connected to ground connection after buzzer through resistance r19；The base stage of audion q2 is processed with central authorities after connecting resistance r17
Ledf interface in module is connected, the circuit of resistance r15 and the series connection of the first light emitting diode and resistance r16 and the second light-emitting diodes
After the circuit in parallel of pipe series connection, positive pole terminates the colelctor electrode of audion q2, and negative pole end is grounded.
In central processing module, pin voice and pin ledf is low level, audion q1 and audion q2 conducting, buzzing
Device sends ring, the first light emitting diode and the second LED flash, by acousto-optic warning unit, can go out prison by clear reaction
The environmental problem of measuring point, conveniently adopts an effective measure immediately, improves work efficiency.
Described led number pipe unit includes charactron and digital pipe driving chip tm1620, and charactron is three Digital sum pipes,
Each charactron is all connected as common pin using negative electrode by 8 light emitting diodes；On digital pipe driving chip tm1620
Pin seg1 connects one to one to the anode of pin seg8 and 8 light emitting diodes, pin dig1 on three Digital sum pipes, draws
On the pin grid1 that foot dig2 and pin dig3 connects one to one on digital pipe driving chip tm1620 to pin grid6.
Each digital pipe driving chip drives two three Digital sum pipes, drives when controlling charactron on central processing module
The port triggering of chip starts, and digital pipe driving chip starts the display controlling charactron, by led number pipe unit, work
Personnel can observe real time data in monitoring point.
The present invention compared with prior art has the advantage that the 1, present invention by the environmental monitoring system collection of gmp toilet
Cheng Hua, modules function is integrated on multiple i/o interfaces of a single-chip microcomputer, using the multiple memory element of single-chip microcomputer, deposits
Store up the data of each functional module and can be read out, form multi-functional, high integration a embedded system；2nd, centre
Reason module is connected with control system, and the data collecting forms data base in ancillary equipment, manipulates control system
In each functional unit, it is possible to achieve the remotely control to each monitoring point；3rd, the acousto-optic warning unit in display module can be
The environment of monitoring point exceedes and sends alarm during preset range, facilitates staff to take immediate steps, improves work efficiency.
Brief description
Fig. 1 is the system block diagram of the present invention；
Fig. 2 is the circuit theory diagrams of data acquisition module in the present invention；
Fig. 3 is the circuit theory diagrams of power module in the present invention；
Fig. 4 is the circuit theory diagrams of communication module in the present invention；
Fig. 5 is the circuit theory diagrams of acousto-optic warning unit in the present invention；
Fig. 6 is circuit theory Fig. 1 of led number pipe unit in the present invention；
Fig. 7 is circuit theory Fig. 2 of led number pipe unit in the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, gmp clean room environment monitoring system, adopt including central processing module 10, power module 30, data
Collection module 20, communication module 40, display module 50, peripheral module 60, power module 30 is used for providing the work electricity of system
Source, data acquisition module 20, communication module 40 and display module 50 are connected with central processing module 10；Central processing module 10 leads to
Cross communication module 40 to be connected with control system 60.
Central processing module 10 is single-chip microcomputer, single-chip microcomputer has multiple i/o interfaces for inputoutput data, also has multiple
Memory element is used for data storage, the outfan of data acquisition module 20, communication module 40 I/O and display in system
The triggering end of module 50 is connected on the i/o interface of single-chip microcomputer；Display module 50 includes led number pipe unit 501 and sound and light alarm
Unit 502；Control system 60 includes the real-time monitoring unit 601 for showing Real-time Monitoring Data, for inquiring about or deleting
Remove, show historical data and the data query/control unit 602 of setting querying condition, for arranging the ginseng of sampling parameter setting
Number arranging unit 603, for the data-printing unit 604 of print data, and for scanning communication port, arranging communication interface
Communication management unit 605.
Control system 60 can be more straightforward display real time data because real time data shape on ancillary equipment
Become data base it is possible to inquire about or delete the history data in control system 60, the time of data acquisition is set and adopts
The preset value of collection parameter, and print data, this greatly simplifies the operational degree of monitoring, make system become more intelligent
Change.
As shown in Fig. 2 data acquisition module 20 includes sensor con1 to sensor con3, resistance circuit cha, resistance electricity
Road chb and resistance circuit chc；Described resistance circuit cha by 4 similar resistance resistance rn1 to resistance rn4 parallel circuit with electricity
Hold c10 earth to constitute, the other end of resistance circuit cha exports to central authorities through resistance r3 after connecting the outfan of sensor con1
Processing module 10；Described resistance circuit chb by 4 similar resistance resistance rn5 to resistance rn8 parallel circuit and electric capacity c11 simultaneously
Connection ground is constituted, and the other end of resistance circuit chb exports through resistance r4 after connecting the outfan of sensor con2 and processes mould to central authorities
Block 10；Described resistance circuit chc by 4 similar resistance resistance rn9 to resistance rn12 parallel circuit and electric capacity c12 earth
Constitute, the other end of resistance circuit chc exports to central processing module 10 through resistance r5 after connecting the outfan of sensor con3.
Sensor con1 to sensor con3 respectively detects parameters of temperature, humidity, wind speed and pressure test device, sensing
Device con1 is Temperature Humidity Sensor, can output temperature and humidity simultaneously detection data, simplify circuit design, save cost；
Resistance circuit cha, resistance circuit chb and resistance circuit chc are pull down resistor circuit, make the signal that sensor exports more stable.
As shown in figure 3, power module 30 includes bridge rectifier and mu balanced circuit, alternating current is turned by bridge rectifier
Change the required DC voltage of system work into, the input vin of the voltage after rectification and the first integrated voltage-stabilized chip lm2575, the
The positive pole of one polar capacitor ce7 is connected with one end of polarity free capacitor c1, the negative pole of the first polar capacitor ce7 and polarity free capacitor
The other end ground connection of c1；Control signal on/off of the first integrated voltage-stabilized chip lm2575 and the first integrated voltage-stabilized chip
The common port gnd of lm2575 is connected and is grounded；The outfan out of the first integrated voltage-stabilized chip lm2575 connects inductance l1 and two respectively
The negative pole of pole pipe d1, the plus earth of diode d1, the other end of inductance l1 respectively with ground capacity c5, and by resistance r12 with
Circuit on one side after electric capacity c3 parallel connection connects, and it is integrated steady that the circuit other end after resistance r12 is in parallel with electric capacity c3 connects first respectively
The voltage input end vin of feedback end adj and earth resistance r11 second integrated voltage-stabilized chip lm2575 of pressure chip lm2575 is respectively
Connect the positive pole of outfan out by the first voltage stabilizing chip lm2575 output voltage after inductance l1 and the second polar capacitor ce8；
The minus earth of the second polar capacitor ce8；Control signal on/off of the second integrated voltage-stabilized chip lm2575 is integrated with second
The common port gnd of voltage stabilizing chip lm2575 is connected and is grounded；The outfan out of the second integrated voltage-stabilized chip lm2575 connects electricity respectively
The negative pole of sense l2 and diode d2, the plus earth of diode d2, the other end of inductance l2 respectively with ground capacity c6, with by electricity
Resistance r14 is connected with the circuit on one side after electric capacity c4 parallel connection, and the circuit other end after resistance r14 is in parallel with electric capacity c4 connects second respectively
The feedback end adj of integrated voltage-stabilized chip lm2575 and earth resistance r13；Voltage after rectification divides two-way to export, and a road is first
Output voltage after inductance l1 for the outfan out of voltage stabilizing chip lm2575, another road is the defeated of the second voltage stabilizing chip lm2575
Go out to hold output voltage after inductance l2 for the out.
Using bridge rectifier, alternating current is pressed into DC voltage in power module 30, in the present embodiment, 24v is exchanged
Electricity is converted into 24v unidirectional current, and by the first integrated voltage-stabilized chip lm2575 voltage stabilizing output, by the second integrated voltage-stabilized chip
Lm2575 realizes the conversion of 24v and 5v voltage, in order to avoid the electric current of the circuit after rectification is excessive, employs fuse to protect
Circuit, two integrated voltage-stabilized chips have provided a system to more stable voltage.
As shown in figure 4, communication module 40 includes chip 75176b, the 8 foot vcc of chip 75176b connect supply voltage, chip
6 feet of 75176b are connected to 3 feet of interface 485 through resistance r7,7 feet of chip 75176b, 1 foot through resistance r6 to interface 485, connect
It is connected to resistance r8, the 5 foot vss of chip 75176b are connected to 2 feet of interface 485 and connect between 1 foot of mouth 485 and 3 feet of interface 485
Ground, the 3 foot de of the 2 foot re and chip 75176b of chip 75176b are connected with the corresponding interface of central processing module 10 after being connected,
The corresponding interface that the 4 foot txd of the 1 foot rxd of chip 75176b and chip 75176b connect central processing module 10 respectively connects,
1 foot rxd of chip is the receiving terminal of data, and the 4 foot txd of chip 75176b are the transmitting terminal of data.
In the present embodiment, the 4 foot txd triggerings of chip 75176b, data is read in the memory element of central processing module 10
Fetch data and pass through interface 485 outwards to transmit, if the 1 foot rxd triggering of chip 75176b, data reaches central authorities by interface 485
In the memory element of processing module 10.
As shown in figure 5, display module 50 includes acousto-optic warning unit 502 and led number pipe unit 501, sound and light alarm list
Unit 502 includes audion q1, audion q2, buzzer and two light emitting diodes, and the emitter stage of audion q1 connects supply voltage,
The base stage of audion q1 is connected with the voice interface in central processing module 10 after connecting resistance r18, the colelctor electrode warp of audion q1
Resistance r19 is grounded after being connected to buzzer；The base stage of audion q2 connect after resistance r17 with central processing module 10 in ledf interface
It is connected, the circuit in parallel connected with resistance r16 and the second light emitting diode of circuit of resistance r15 and the series connection of the first light emitting diode
Positive pole terminates the colelctor electrode of audion q2 afterwards, and negative pole end is grounded.
In central processing module 10, pin voice and pin ledf is low level, audion q1 and audion q2 conducting, honeybee
Ring device sends ring, and the first light emitting diode and the second LED flash, by acousto-optic warning unit, can clear reaction go out
The environmental problem of monitoring point, conveniently adopts an effective measure immediately, improves work efficiency.
As shown in Figure 6, Figure 7, led number pipe unit 501 includes charactron and digital pipe driving chip tm1620, charactron
For three Digital sum pipes, each charactron is all by 8 light emitting diodes using negative electrode as common pin connection；Charactron drives core
Pin seg1 on piece tm1620 connects one to one to the anode of pin seg8 and 8 light emitting diodes, on three Digital sum pipes
Pin dig1, pin dig2 and the pin grid1 that connects one to one on digital pipe driving chip tm1620 of pin dig3
To pin grid6.
In the present embodiment, each digital pipe driving chip drives two three Digital sum pipes, when control on central processing module
The port triggering of the digital pipe driving chip of system starts, and digital pipe driving chip starts the display controlling charactron, digital by led
Pipe unit, staff can observe real time data in monitoring point.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but the spirit without departing from the present invention or surmount scope defined in appended claims.
Claims (1)
1.gmp clean room environment monitoring system, including central processing module (10), power module (30), data acquisition module
(20), communication module (40), display module (50) and control system (60), described power module (30) is used for providing system
Working power, described data acquisition module (20), communication module (40) and display module (50) and central processing module (10)
Connect；Central processing module (10) is connected with control system (60) by communication module (40)；
It is characterized in that: described central processing module (10) is single-chip microcomputer, has multiple i/o interface data memory element, institute
The triggering end stating the outfan, the I/O of communication module (40) and display module (50) of data acquisition module (20) is connected to
On the i/o interface of single-chip microcomputer；Described display module (50) includes led number pipe unit (501) and acousto-optic warning unit (502)；
Described control system (60) include for show Real-time Monitoring Data real-time monitoring unit (601), be used for inquiring about or delete
Remove, show historical data and setting querying condition data query/control unit (602), for arrange sampling parameter setting
Parameter set unit (603), the data-printing unit (604) for print data, and be used for scanning communication port, setting communication
The communication management unit (605) of interface；Described data acquisition module (20) includes sensor con1 to sensor con3, resistance electricity
Road cha, resistance circuit chb and resistance circuit chc；Described resistance circuit cha is by the resistance rn1 to resistance rn4 of 4 similar resistance
Parallel circuit and electric capacity c10 earth are constituted, and the other end of resistance circuit cha connects after the outfan of sensor con1 through resistance
R3 exports to central processing module (10)；Described resistance circuit chb is by resistance rn5 to the resistance rn8 electricity in parallel of 4 similar resistance
Road and electric capacity c11 earth are constituted, and the other end of resistance circuit chb connects after the outfan of sensor con2 through resistance r4 output
To central processing module (10)；Described resistance circuit chc by 4 similar resistance resistance rn9 to resistance rn12 parallel circuit with
Electric capacity c12 earth is constituted, the other end of resistance circuit chc connect the outfan of sensor con3 after through resistance r5 export in
Centre processing module (10), described sensor con1 is Temperature Humidity Sensor, can output temperature and humidity simultaneously detection data；
Described power module (30) includes bridge rectifier and mu balanced circuit, and bridge rectifier converts alternating current to system
The required DC voltage of work, the input vin of the voltage after rectification and the first integrated voltage-stabilized chip lm2575, the first polarity electricity
The positive pole holding ce7 is connected with one end of polarity free capacitor c1, and the negative pole of the first polar capacitor ce7 and polarity free capacitor c1's is another
End ground connection；Control signal on/off of the first integrated voltage-stabilized chip lm2575 is public with the first integrated voltage-stabilized chip lm2575
End gnd is connected and is grounded；The outfan out of the first integrated voltage-stabilized chip lm2575 connects the negative of inductance l1 and diode d1 respectively
Pole, the plus earth of diode d1, the other end of inductance l1 respectively with ground capacity c5, and in parallel with electric capacity c3 by resistance r12
Circuit on one side afterwards connects, and the circuit other end after resistance r12 is in parallel with electric capacity c3 connects the first integrated voltage-stabilized chip respectively
The voltage input end vin of the feedback end adj of lm2575 and earth resistance r11 second integrated voltage-stabilized chip lm2575 connects respectively by
Output voltage after inductance l1 for the outfan out of one voltage stabilizing chip lm2575 and the positive pole of the second polar capacitor ce8；Second pole
The minus earth of property electric capacity ce8；Control signal on/off of the second integrated voltage-stabilized chip lm2575 and the second integrated voltage-stabilized core
The common port gnd of piece lm2575 is connected and is grounded；The outfan out of the second integrated voltage-stabilized chip lm2575 connect respectively inductance l2 and
The negative pole of diode d2, the plus earth of diode d2, the other end of inductance l2 respectively with ground capacity c6, with by resistance r14
Connect with the circuit on one side after electric capacity c4 parallel connection, it is integrated that the circuit other end after resistance r14 is in parallel with electric capacity c4 connects second respectively
The feedback end adj of voltage stabilizing chip lm2575 and earth resistance r13；Voltage after rectification divides two-way to export, and a road is the first voltage stabilizing
Output voltage after inductance l1 for the outfan out of chip lm2575, another road is the outfan of the second voltage stabilizing chip lm2575
Output voltage after inductance l2 for the out；
Described communication module (40) includes chip 75176b, and the 8 foot vcc of chip 75176b connect supply voltage, and the 6 of chip 75176b
Foot is connected to 3 feet of interface 485 through resistance r7,7 feet of chip 75176b, 1 foot through resistance r6 to interface 485,1 foot of interface 485
It is connected to resistance r8 and 3 feet of interface 485 between, the 5 foot vss of chip 75176b are connected to 2 feet of interface 485 and are grounded, chip
The 3 foot de of the 2 foot re and chip 75176b of 75176b are connected with the corresponding interface of central processing module (10) after being connected, chip
The corresponding interface that the 4 foot txd of the 1 foot rxd of 75176b and chip 75176b connect central processing module (10) respectively connects, core
1 foot rxd of piece is the receiving terminal of data, and the 4 foot txd of chip 75176b are the transmitting terminal of data；
Acousto-optic warning unit (502) includes audion q1, audion q2, buzzer and two light emitting diodes, audion q1's
Emitter stage connects supply voltage, the base stage of audion q1 connect after resistance r18 with central processing module (10) in voice interface phase
Even, the colelctor electrode of audion q1 is connected to ground connection after buzzer through resistance r19；The base stage of audion q2 connect after resistance r17 with central authorities
Ledf interface in processing module (10) is connected, the circuit of resistance r15 and the series connection of the first light emitting diode and resistance r16 and second
After the circuit in parallel of light emitting diode series connection, positive pole terminates the colelctor electrode of audion q2, and negative pole end is grounded；
Described led number pipe unit (501) includes charactron and digital pipe driving chip tm1620, and charactron is three Digital sum
Pipe, each charactron is all connected as common pin using negative electrode by 8 light emitting diodes；On digital pipe driving chip tm1620
Pin seg1 connect one to one to the anode of pin seg8 and 8 light emitting diodes, pin dig1 on three Digital sum pipes,
The pin grid1 that pin dig2 and pin dig3 connects one to one on digital pipe driving chip tm1620 to pin grid6
On.
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| CN201310594913.6A CN103713590B (en) | 2013-11-21 | 2013-11-21 | GMB clean room environment monitoring system |
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| CN104965548A (en) * | 2015-05-15 | 2015-10-07 | 苏州经贸职业技术学院 | Clean room temperature and humidity measuring and controlling device |
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| CN109738174B (en) * | 2019-02-01 | 2024-06-18 | 贵州精工利鹏科技有限公司 | Multifunctional aircraft operating lever test board |
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| CN111636234B (en) * | 2020-05-25 | 2022-06-24 | 东莞金洲纸业有限公司 | Pulping and papermaking control system |
| CN115164320A (en) * | 2022-06-30 | 2022-10-11 | 深圳市湘南高科净化设备有限公司 | Single aseptic room control system |
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| US6570508B1 (en) * | 2000-03-01 | 2003-05-27 | Anthony Mark Kvenvold | Thin pack remote environmental monitor system |
| CN201043902Y (en) * | 2007-01-05 | 2008-04-02 | 河北农业大学 | Intelligent humiture detecting and recording instrument based on USB interface |
| CN101807072B (en) * | 2010-04-01 | 2012-07-04 | 王建国 | Intelligent family monitoring system |
| CN201837883U (en) * | 2010-09-29 | 2011-05-18 | 珠海亿邦制药股份有限公司 | Centralized monitoring system for production shops |
| CN203177403U (en) * | 2013-02-05 | 2013-09-04 | 刘新力 | Production environment functional parameter control device of drug production enterprise air purification workshop |
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