CN108664054A - A kind of computer based thermostatic control system and method - Google Patents
A kind of computer based thermostatic control system and method Download PDFInfo
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- CN108664054A CN108664054A CN201810574503.8A CN201810574503A CN108664054A CN 108664054 A CN108664054 A CN 108664054A CN 201810574503 A CN201810574503 A CN 201810574503A CN 108664054 A CN108664054 A CN 108664054A
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- temperature
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- processing unit
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of computer based thermostatic control system and methods, including control cabinet, control cabinet is equipped with display screen and alarm lamp, control cabinet side is equipped with temperature signal collection interface, control cabinet is internally provided with master control borad, master control borad is equipped with temperature collection circuit, central processing unit, comparison module, warning module and wireless transport module, the connection of temperature collection circuit input terminal is mounted on the temperature sensor in multiple constant temperature experiments, output end connects central processing unit, central processing unit is separately connected comparison module, warning module and thermosistor, central processing unit connects background computer by wireless transport module, structure of the invention principle is simple, it is easy to operate, thermostatic control that can be by computer to multiple constant temperature experiment temperature, control accuracy is high.
Description
Technical field
The present invention relates to thermostatic control technology field, specially a kind of computer based thermostatic control system and method.
Background technology
Thermostatic controller refers to for maintaining body temperature to stablize in certain point or the controller of some temperature range
Part mainly incudes the temperature of main body by circuit and sensing element, is regulated and controled.It is widely used in chemistry, physics, life
The fields such as object, in daily life also extensive use, such as incubator, refrigerator etc..
Currently, temperature control is generally controlled by manually in constant temperature experiment, control accuracy is low, and control effect
Difference causes experiment effect poor.
Invention content
The purpose of the present invention is to provide a kind of computer based thermostatic control system and methods, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of computer based thermostatic control system, packet
Control cabinet is included, the control cabinet is equipped with display screen and alarm lamp, and the control cabinet side connects equipped with temperature signal collection
Mouthful, the control cabinet is internally provided with master control borad, the master control borad be equipped with temperature collection circuit, central processing unit, comparison module,
Warning module and wireless transport module, the temperature collection circuit input terminal connection are mounted on the temperature in multiple constant temperature experiments
Sensor, output end connect central processing unit, multiple temperature sensors include the first temperature sensor, second temperature sensor,
Third temperature sensor, N temperature sensors, N are the integer more than 3；The central processing unit is separately connected comparison module, pre-
Alert module and thermosistor, the central processing unit connect background computer by wireless transport module.
Preferably, the temperature collection circuit includes operational amplifier, and one foot of the operational amplifier is separately connected resistance D
One end and the one end capacitance B, two feet are separately connected the one end capacitance A and temperature sensor one end, and three feet are separately connected the capacitance A other ends
With potentiometer A sliding ends, five feet connect the one end capacitance C, and the capacitance C other ends connect four feet and are grounded, and seven feet are connect by capacitance D
Ground, octal are separately connected the capacitance B other ends and potentiometer B sliding ends, and the resistance D other ends connect the one end potentiometer B, the current potential
The one end device A is separately connected transistor emitter and the one end resistance A, and the transistor collector is separately connected base stage and potentiometer A
The other end is simultaneously grounded, and the one end the resistance A other ends connection resistance B, the resistance B other ends connect the one end resistance C, and resistance C is another
End ground connection, the indirect sensors of resistance B and resistance C.
Preferably, the thermosistor uses one or more of combinations of air-conditioning, air-cooler or warm-air drier.
Preferably, control method includes the following steps：
A, multiple temperature sensors acquire the temperature value in multiple constant temperature experiments respectively, and the signal of acquisition is adopted by temperature
Collector acquires and is transmitted to central processing unit processing；
B, temperature signal is sent in comparison module and compares by central processing unit, if temperature value is not sent out in normal range (NR)
Go out alarm signal, if temperature value sends out alarm signal not in normal range (NR)；
If C, not in normal range (NR), temperature signal is transmitted to hind computation by central processing unit by wireless transport module
Machine；
D, background computer sends out control instruction, controls the temperature that corresponding thermosistor work comes in regulating thermostatic experimental box
Degree, makes constant temperature experiment be maintained at steady temperature.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) structure of the invention principle is simple, easy to operate, can be by computer to the perseverance of multiple constant temperature experiment temperature
Temperature control system, control accuracy are high.
(2) the temperature collection circuit strong antijamming capability that the present invention uses is capable of the temperature of effective compensation temperature sensor
Drift, weakens the interference of environment, increases the accuracy of measurement, further improve temperature controlled accuracy.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is control principle block diagram of the present invention；
Fig. 3 is temperature collection circuit schematic diagram of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of computer based thermostatic control system, including
Control cabinet 1, the control cabinet 1 are equipped with display screen 2 and alarm lamp 3, and 1 side of the control cabinet is equipped with temperature signal collection
Interface 4, the control cabinet 1 are internally provided with master control borad 5, the master control borad 5 be equipped with temperature collection circuit 6, central processing unit 7,
Comparison module 8, warning module 9 and wireless transport module 10, the connection of 6 input terminal of the temperature collection circuit are mounted on multiple constant temperature
Temperature sensor in experimental box, output end connect central processing unit 7, and multiple temperature sensors include the first temperature sensor
11, second temperature sensor 12, third temperature sensor 13, N temperature sensors, N are the integer more than 3；The centre
Reason device 7 is separately connected comparison module 8, warning module 9 and thermosistor 14, and thermosistor 14 is using air-conditioning, air-cooler or warm-air drier
One or more of combinations；7 device of the central processing connects background computer 15 by wireless transport module 10.
In the present invention, temperature collection circuit 6 includes operational amplifier 16, and 16 1 foot of the operational amplifier is separately connected electricity
Resistance one end D4a and the one end capacitance B2b, two feet are separately connected the one end capacitance A1b and temperature sensor one end, and three feet are separately connected electricity
Holding the A1b other ends and potentiometer A1c sliding ends, five feet connect the one end capacitance C3b, and the capacitance C3b other ends connect four feet and are grounded,
Seven feet are grounded by capacitance D4b, and octal is separately connected the capacitance B2b other ends and potentiometer B2c sliding ends, the resistance D4a other ends
Connecting potentiometer B2c one end, the one end the potentiometer A1c is separately connected 17 emitter of triode and the one end resistance A1a, and described three
17 collector of pole pipe is separately connected base stage and the potentiometer A1c other ends and is grounded, the resistance A1a other ends connection resistance B2a
One end, the resistance B2a other ends connect the one end resistance C3a, resistance C3a other ends ground connection, the indirect biography of resistance B2a and resistance C3a
Sensor.The temperature collection circuit strong antijamming capability that the present invention uses is capable of the temperature drift of effective compensation temperature sensor, is weakened
The interference of environment increases the accuracy of measurement, further improves temperature controlled accuracy.
Operation principle：The control method of the present invention includes the following steps：
A, multiple temperature sensors acquire the temperature value in multiple constant temperature experiments respectively, and the signal of acquisition is adopted by temperature
Collector acquires and is transmitted to central processing unit processing；
B, temperature signal is sent in comparison module and compares by central processing unit, if temperature value is not sent out in normal range (NR)
Go out alarm signal, if temperature value sends out alarm signal not in normal range (NR)；
If C, not in normal range (NR), temperature signal is transmitted to hind computation by central processing unit by wireless transport module
Machine；
D, background computer sends out control instruction, controls the temperature that corresponding thermosistor work comes in regulating thermostatic experimental box
Degree, makes constant temperature experiment be maintained at steady temperature.
In conclusion structure of the invention principle is simple, and it is easy to operate, it can be by computer to multiple isothermal experiments box temperatures
The thermostatic control of degree, control accuracy are high.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of computer based thermostatic control system, including control cabinet (1), it is characterised in that：It is set on the control cabinet (1)
There are display screen (2) and alarm lamp (3), control cabinet (1) side to be equipped with temperature signal collection interface (4), the control
Case (1) is internally provided with master control borad (5), and the master control borad (5) is equipped with temperature collection circuit (6), central processing unit (7), compares
Module (8), warning module (9) and wireless transport module (10), temperature collection circuit (6) the input terminal connection are mounted on multiple
Temperature sensor in constant temperature experiment, output end connect central processing unit (7), and multiple temperature sensors are passed including the first temperature
Sensor (11), second temperature sensor (12), third temperature sensor (13), N temperature sensors, N are whole more than (3)
Number；The central processing unit (7) is separately connected comparison module (8), warning module (9) and thermosistor (14), the centre
It manages (7) device and background computer (15) is connected by wireless transport module (10).
2. a kind of computer based thermostatic control system according to claim 1, it is characterised in that：The temperature acquisition
Circuit (6) includes operational amplifier (16), and (16) one foot of the operational amplifier is separately connected the one end (4a) resistance D and capacitance B
The one end (2b), two feet are separately connected the one end (1b) capacitance A and temperature sensor one end, and it is another that three feet are separately connected capacitance A (1b)
End and potentiometer A (1c) sliding end, five feet connect the one end capacitance C (3b), and capacitance C (3b) other end connects four feet and is grounded, seven
Foot is grounded by capacitance D (4b), and octal is separately connected capacitance B (2b) other ends and potentiometer B (2c) sliding end, resistance D (4a)
The other end connects the one end potentiometer B (2c), and described potentiometer A (1c) one end is separately connected triode (17) emitter and resistance A
The one end (1a), triode (17) collector are separately connected base stage and potentiometer A (1c) other ends and are grounded, the resistance A
(1a) other end connects the one end resistance B (2a), and resistance B (2a) other end connects the one end resistance C (3a), resistance C (3a) other end
Ground connection, the indirect sensors of resistance B (2a) and resistance C (3a).
3. a kind of computer based thermostatic control system according to claim 1, it is characterised in that：The thermosistor
(14) one or more of combinations of air-conditioning, air-cooler or warm-air drier are used.
4. realizing a kind of control method of computer based thermostatic control system described in claim 1, it is characterised in that：Its
Control method includes the following steps：
A, multiple temperature sensors acquire the temperature value in multiple constant temperature experiments respectively, and the signal of acquisition passes through temperature acquisition electricity
Road acquires and is transmitted to central processing unit processing；
B, temperature signal is sent in comparison module and compares by central processing unit, if temperature value in normal range (NR), does not send out report
Alert signal, if temperature value sends out alarm signal not in normal range (NR)；
If C, not in normal range (NR), temperature signal is transmitted to background computer by central processing unit by wireless transport module；
D, background computer sends out control instruction, controls the temperature that corresponding thermosistor work comes in regulating thermostatic experimental box, makes
Constant temperature experiment is maintained at steady temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574503.8A CN108664054A (en) | 2018-06-06 | 2018-06-06 | A kind of computer based thermostatic control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574503.8A CN108664054A (en) | 2018-06-06 | 2018-06-06 | A kind of computer based thermostatic control system and method |
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| Publication Number | Publication Date |
|---|---|
| CN108664054A true CN108664054A (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810574503.8A Pending CN108664054A (en) | 2018-06-06 | 2018-06-06 | A kind of computer based thermostatic control system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970769A (en) * | 2020-07-29 | 2020-11-20 | 杭州上恺生物科技有限公司 | Animal experiment box temperature control method and animal experiment box |
| CN112628945A (en) * | 2021-01-03 | 2021-04-09 | 山西二建集团有限公司 | Laminar flow operating room purifying air conditioner control method and application system thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205066958U (en) * | 2015-09-22 | 2016-03-02 | 成都创年科技有限公司 | Temperature acquisition circuit |
| CN205692074U (en) * | 2016-06-13 | 2016-11-16 | 国网山东省电力公司阳谷县供电公司 | A kind of electric substation temperature-adjusting device |
| CN206908146U (en) * | 2017-03-06 | 2018-01-19 | 山东杰光电气科技股份有限公司 | Power distribution cabinet |
-
2018
- 2018-06-06 CN CN201810574503.8A patent/CN108664054A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205066958U (en) * | 2015-09-22 | 2016-03-02 | 成都创年科技有限公司 | Temperature acquisition circuit |
| CN205692074U (en) * | 2016-06-13 | 2016-11-16 | 国网山东省电力公司阳谷县供电公司 | A kind of electric substation temperature-adjusting device |
| CN206908146U (en) * | 2017-03-06 | 2018-01-19 | 山东杰光电气科技股份有限公司 | Power distribution cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970769A (en) * | 2020-07-29 | 2020-11-20 | 杭州上恺生物科技有限公司 | Animal experiment box temperature control method and animal experiment box |
| CN111970769B (en) * | 2020-07-29 | 2022-12-09 | 军科正源(广西)生物医药科技有限公司 | Animal experiment box temperature control method and animal experiment box |
| CN112628945A (en) * | 2021-01-03 | 2021-04-09 | 山西二建集团有限公司 | Laminar flow operating room purifying air conditioner control method and application system thereof |
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Application publication date: 20181016 |
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