CN106774522B - A kind of vacuum dryer control system of nano phase change energy storage material - Google Patents
A kind of vacuum dryer control system of nano phase change energy storage material Download PDFInfo
- Publication number
- CN106774522B CN106774522B CN201710200206.2A CN201710200206A CN106774522B CN 106774522 B CN106774522 B CN 106774522B CN 201710200206 A CN201710200206 A CN 201710200206A CN 106774522 B CN106774522 B CN 106774522B
- Authority
- CN
- China
- Prior art keywords
- amplifier
- signal
- filter circuit
- output end
- anode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008859 change Effects 0.000 title claims abstract description 28
- 238000004146 energy storage Methods 0.000 title claims abstract description 26
- 239000011232 storage material Substances 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 34
- 238000009966 trimming Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 abstract description 25
- 239000012071 phase Substances 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of vacuum dryer control systems of nano phase change energy storage material, it is characterized in that, mainly by microprocessor, power supply, the first relay, memory module, signal processing system and the display screen being connected with the microprocessor, the thermocouple being controlled to a power supply, the second relay being connected with thermocouple, the alarm being connected with the second relay, the temperature sensor being connected with signal processing system, and the data inserter composition being connected with memory module.Temperature sensor of the invention can be monitored the temperature in drying chamber, and the signal of temperature sensor output can be handled by signal processing system, keep signal more acurrate, more stable, microprocessor is set to receive accurate temperature information, the accuracy for ensuring that drying temperature control of the present invention to vacuum dryer, effectively raises the quality of nano phase change energy storage material.
Description
Technical field
The present invention relates to a kind of control systems, are a kind of vacuum dryers of nano phase change energy storage material specifically
Control system.
Background technique
Phase-changing energy storage material (PCM-Phase Change Material), which refers to, to be varied with temperature and changes state of matter simultaneously
The substance of latent heat can be provided, wherein nano phase change energy storage material is optimal environmentally protective carrier in phase-changing energy storage material.Nanometer
Phase-changing energy storage material is to be modified phyllosilicate using quaternary ammonium salt, concentrated hydrochloric acid, the dissolution of water Hybrid Heating, then in stratiform
It is added after soluble quaternary ammonium salt and water mixing and filtered after heating stirring is reacted 10~14 hours in silicate, and with hot
After water washing air-dry and be dried in vacuo；Finally organic phase change material, NaHCO3, water Hybrid Heating, keep solid formation entirely molten,
The organic phase change material of dissolution, modified sheet silicate, water mixing, high-speed stirred at a temperature of 80~90 DEG C, reaction 14~18
Hour filters, and is washed until without quaternary ammonium salt with hot water, is dried in vacuo the obtained nano combined phase transformation of organic-inorganic again and stores up
It can material.And whether the drying temperature that the quality of nano phase change energy storage material then depends on vacuum dryer is stable.
However, the vacuum dryer control system of existing nano phase change energy storage material controls the temperature of heating equipment
Accuracy it is poor, the difference of the stability for the temperature for causing vacuum drying indoor causes the of poor quality of nano phase change energy storage material,
People's lives are affected to serious.
Summary of the invention
It is an object of the invention to overcome the vacuum dryer control system of existing nano phase change energy storage material to adding
The poor defect of the temperature controlled accuracy of hot equipment, a kind of vacuum dryer control of the nano phase change energy storage material provided
System processed.
The present invention is achieved through the following technical solutions: a kind of vacuum dryer control system of nano phase change energy storage material
System, mainly by microprocessor, the power supply that is connected with the microprocessor, the first relay, memory module, signal processing system and
Display screen, the thermocouple being controlled to a power supply, the second relay being connected with thermocouple, the report being connected with the second relay
Alert device, the temperature sensor being connected with signal processing system, and the data inserter composition being connected with memory module；Institute
Power supply is stated to be connected with temperature sensor；The memory module is connected with display screen；The signal processing system is by AD conversion
Device, the digital signal processor being connected with AD converter, the step low-pass active power filtering being connected with digital signal processor
Circuit, the signal amplifier being connected with step low-pass active filter circuit, and what is be connected with signal amplifier program-controlled decline
Subtract device composition；The step low-pass active filter circuit is by second-order filter circuit, the RC low pass that is connected with second-order filter circuit
Filter circuit, and the signal trimming circuit composition being serially connected between second-order filter circuit and RC low-pass filter circuit；Described two
The output end of rank filter circuit is connected with temperature sensor；The output end of the RC low-pass filter circuit is connected with microprocessor
It connects.
The second-order filter circuit is by amplifier P1, and one end is connected with the anode of amplifier P1, the other end and temperature pass
The resistance R1 that sensor is connected, one end is connected with the anode of amplifier P1, the other end is connected with the output end of amplifier P1
Resistance R3, anode be connected with the anode of amplifier P1, the polar capacitor C1 that cathode is connected with the output end of amplifier P1,
And cathode be connected with the cathode of amplifier P1 after ground connection, anode be connected with the output end of amplifier P1 after resistance R4
Polar capacitor C2 composition；The output end of the amplifier P1 is connected with RC low-pass filter circuit；The polar capacitor C1 is just
Pole is also connected with signal trimming circuit.
The RC low-pass filter circuit by amplifier P3, one end is connected with the output end of amplifier P1, the other end with put
Resistance R5, the polar capacitor C5 that anode is connected with the anode of amplifier P3, cathode is grounded that the anode of big device P3 is connected, just
Pole is connected with the cathode of amplifier P3, the polar capacitor C4 of cathode ground connection and one end are connected with the cathode of polar capacitor C4
It connects, the resistance R8 composition that the other end is connected with the output end of amplifier P3；The output end and signal of the amplifier P3 is finely tuned
Circuit is connected, and the output end of amplifier P3 is also used as the output end of RC low-pass filter circuit and is connected with the microprocessor.
The signal trimming circuit is by amplifier P2, and one end is connected with the anode of polar capacitor C1, the other end and amplification
The resistance R2 that the output end of device P2 is connected, cathode is connected with the output end of amplifier P2, anode after adjustable resistance R6 with
The polar capacitor C3 and one end that the cathode of amplifier P2 is connected be connected with the output end of amplifier P3, the other end with put
The resistance R7 composition that the cathode of big device P2 is connected；The plus earth of the amplifier P2.
For practical effect of the invention, the microprocessor is AT89C51 single-chip microcontroller.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) of simple structure and strong practicability of the invention, temperature sensor of the invention can carry out the temperature in drying chamber
Monitoring, and the signal of temperature sensor output can be handled by signal processing system, keep signal more acurrate, more stable,
So that microprocessor is received accurate temperature information, ensures that the present invention controls the drying temperature of vacuum dryer
Accuracy, effectively raise the quality of nano phase change energy storage material.
(2) second-order filter circuit and RC low-pass filter circuit are provided in signal processing system of the invention and signal is micro-
Circuit is adjusted, which can suppress or eliminate the garbage signal frequency in signal；RC low-pass filter circuit energy
It is effective to accelerate to the high-frequency reduction of speed in signal；Signal trimming circuit can be adjusted the frequency of signal, make signal
Frequency is more stable, to improve the accuracy of drying temperature control of the present invention to vacuum dryer.
(3) carry out the temperature in the drying chamber to vacuum dryer present invention employs temperature sensor and thermocouple to carry out
Monitoring, can effectively prevent the temperature in the drying chamber of vacuum dryer from too high or too low situation occur, ensure that
The stability of temperature in the drying chamber of vacuum dryer improves the dry mass of nano phase change energy storage material.
Detailed description of the invention
Fig. 1 is entire block diagram of the invention.
Fig. 2 is the entire block diagram of signal processing system of the invention.
Fig. 3 is the electrical block diagram of step low-pass active filter circuit of the invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment and its attached drawing, but embodiments of the present invention are not
It is limited to this.
Embodiment
As shown in Figure 1, the present invention mainly by microprocessor, be connected with the microprocessor power supply, the first relay, deposit
Storage module, signal processing system and display screen, the thermocouple being controlled to a power supply, the second relay being connected with thermocouple,
The alarm being connected with the second relay, the temperature sensor being connected with signal processing system, and with memory module phase
The data inserter of connection forms.The power supply is connected with temperature sensor.The memory module is connected with display screen.
Wherein as shown in Fig. 2, it is by AD converter, digital signal processor, step low-pass has the signal processing system
Power filter, signal amplifier and programmable attenuator composition.The step low-pass active filter circuit as shown in figure 3, its
By second-order filter circuit, RC low-pass filter circuit and signal trimming circuit composition.
When implementation, microprocessor of the invention is realized using AT89C51 single-chip microcontroller, the P1 pin and number of the single-chip microcontroller
It is connected according to memory module, P3 pin is connected with display screen, and P1.4 pin is connected with alarm, P0 pin and signal processing
System is connected, and P1.5 pin is connected with the first relay, and P1.6 pin is connected with the second relay, VCC pin and electricity
Source is connected.Power supply of the invention is 12V DC voltage, which powers to whole system.Wherein, the first relay
Device and the second relay have been all made of the MGR-1D4860 type single-phase solid relay of your production of mage, the environment temperature of the relay
Degree is -30 DEG C~+75 DEG C, and service life is longer.The heating of the heater of first relay and vacuum dryer
The electrode tip of pipe is electrically connected, and the second relay is then electrically connected with the electrode tip of the motor of the exhaust fan of vacuum dryer.
The KM37V-10-05 type temperature that temperature sensor of the invention uses the production of Shanghai Qin Dou wisdom scientific & technical corporation passes
Sensor, the temperature sensor are arranged on the drying cavity wall of vacuum dryer, for supervising to the temperature in drying chamber
It surveys, the resistance value of the thermocouple in temperature sensor can change with the variation of dry cavity temperature, i.e., temperature sensor exports
Signal can change with the variation of dry cavity temperature, the signal monitored is transferred to signal processing system by temperature sensor
System.The signal that the signal processing system transmits temperature sensor transmits a signal to microprocessor after handling, effectively
Ensure that monolithic function receives accurate information.Received signal is converted to data-signal, microprocessor by the microprocessor
Interior data identifier obtains a temperature value, the temperature that the comparator in microprocessor will obtain after handling data-signal
Angle value is compared with the temperature value stored in data memory module.Memory module of the invention is raw using Ze Yao scientific & technical corporation
The AS01-ML01DP3 memory module of production prestores the dry required temperature value of nano phase change energy storage material in the memory module.
The dry required temperature value of nano phase change energy storage material is then the data by storing after data inputting device into memory module
Input device is Shanghai Cadence research institute and U.S. Super--R company cooperation research and development HT-1 type electronic data input device, the number
It is fast, accurate according to the data decomposition rate of input device.
When operation, when powering on, microprocessor obtains electric, which exports control electric current to the first relay, the
The normally-closed contact of one relay is closed state, and the heater of vacuum dryer obtains electric, and heater is vacuum dryer
Air heating in drying chamber.When the temperature value prestored in the temperature value that microprocessor obtains and memory module is identical, micro- place
Reason device then stops exporting control electric current to the first relay, and the normally-closed contact of the release of the first relay electric-loss, the first relay is disconnected
It opens, the heater power loss of vacuum dryer, i.e. the heating tube power loss of heater, heater stops heating, sets vacuum drying
The temperature of hot-air in standby drying chamber no longer increases.At this point, the temperature of the hot-air in the drying chamber of vacuum dryer
It is consistent with the temperature value prestored in memory module.Thermocouple is big resistance value at this time, and being loaded on the second relay is low-voltage,
Second relay is not switched on, and exhaust fan does not work.To enable the temperature in the drying chamber of vacuum dryer to protect well
It holds in the dry required temperature value of nano phase change energy storage material.
Thermocouple of the invention uses the WRET-01 type thermocouple of Shanghai Wo Lan finite instrument company production, the thermoelectricity
Occasionally it is arranged on the drying cavity wall of vacuum dryer, for being monitored to the temperature in drying chamber, the resistance value of thermocouple
It can change with the variation of dry cavity temperature.
When temperature sensor is damaged, the temperature in the drying chamber of vacuum dryer can then be innovated higher than in memory module
Temperature value the case where, at this point, the resistance value of thermocouple can then reduce therewith, be loaded into the voltage on the second relay as high electricity
Pressure, the normally opened contact closure of the second relay, exhaust fan obtain electric, and exhaust fan is started to work, in the drying chamber of vacuum dryer
Hot-air be discharged, reduce the hot air temperature in drying chamber, enable the temperature in drying chamber and the temperature in memory module
Angle value is consistent.Meanwhile ensuring that the dry quality of nano phase change energy storage material.
Temperature sensor of the invention forms the dual of the temperature in the drying chamber to vacuum dryer with thermocouple
Monitoring, can effectively prevent the temperature in the drying chamber of vacuum dryer from too high or too low situation occur, ensure that
The stability of temperature in the drying chamber of vacuum dryer improves the dry mass of nano phase change energy storage material.
As shown in Fig. 2, the signal processing system is by AD converter, digital signal processor, step low-pass active power filtering
Circuit, signal amplifier and programmable attenuator composition.AD converter of the invention preferentially uses Shenzhen section victory moral electronic section
The AD9280ARS type AD converter of skill company production, at the current signal which transmits temperature sensor
Be converted into data-signal after reason, AD converter and by the data signal transmission after conversion to digital signal processor.The number
Word signal processor selects ground preferentially using the AT89S52-24AU type Digital Signal Processing of ATMEL (Ai Temeier) company production
Device, digital signal processor can be measured and be filtered to digital signal, keep the frequency of digital signal more stable, at digital signal
Managing device, digital data transmission gives step low-pass active filter circuit by treated.The step low-pass active filter circuit is to signal
In garbage signal frequency suppressed or eliminated, and can effectively accelerate to the high-frequency reduction of speed in signal, while to letter
Number frequency be adjusted, keep the frequency of signal more stable, step low-pass active filter circuit will treated that signal is transferred to
Signal amplifier, the signal amplifier are adjusted the bandwidth and frequency of signal, make the signal bandwidth exported and frequency and adopt
The bandwidth of sample signal is identical with frequency, and signal adjusted is then transferred to programmable attenuator by signal amplifier, the program-controlled decaying
Device is the GVAS2-6-60-2.5-D-C type programmable attenuator of Shanghai Ting Jiang Electronic Science and Technology Co., Ltd., and programmable attenuator can be to defeated
The microwave power level of signal and output power are controlled out, when the mixing of signal that exports it is more stable, programmable attenuator will
Treated, and signal is transferred to microprocessor, ensures that the accuracy of microprocessor received signal of the invention.
The step low-pass active filter circuit as shown in figure 3, its by second-order filter circuit, RC low-pass filter circuit,
And signal trimming circuit composition.Wherein, for the second-order filter circuit by the amplifier P1 of model OP364, resistance value is 82K Ω
Resistance R1, resistance value be 15K Ω resistance R3, resistance R4, the polar capacitor C1 and capacitance that capacitance is 0.1 μ F are 100 μ F's
Polar capacitor C2 composition.
When connection, one end of resistance R1 is connected with the anode of amplifier P1, and the other end is connected with temperature sensor.Electricity
One end of resistance R3 is connected with the anode of amplifier P1, and the other end is connected with the output end of amplifier P1.Polar capacitor C1's
Anode is connected with the anode of amplifier P1, and cathode is connected with the output end of amplifier P1.The cathode of polar capacitor C2 with put
The cathode of big device P1 is grounded after being connected, and anode is connected after resistance R4 with the output end of amplifier P1.The amplifier P1
Output end be connected with RC low-pass filter circuit；The anode of the polar capacitor C1 is also connected with signal trimming circuit.
Further, as shown in figure 3, it is by the amplifier P3 of model OP364, resistance value is the RC low-pass filter circuit
The resistance R5 of 10K Ω, resistance value are the resistance R8 of 15K Ω, the pole that the polar capacitor C4 and capacitance that capacitance is 0.1 μ F are 100 μ F
Property capacitor C5 composition.
When connection, one end of resistance R5 is connected with the output end of amplifier P1, the positive phase of the other end and amplifier P3
Connection.The anode of polar capacitor C5 is connected with the anode of amplifier P3, cathode ground connection.The anode and amplifier of polar capacitor C4
The cathode of P3 is connected, cathode ground connection.One end of resistance R8 is connected with the cathode of polar capacitor C4, the other end and amplifier P3
Output end be connected.The output end of the amplifier P3 is connected with signal trimming circuit, and the output end of amplifier P3 is also
As RC low-pass filter circuit output end and be connected with the P0 pin of AT89C51 single-chip microcontroller.
Still further, the signal trimming circuit is as shown in figure 3, it is by the amplifier P2 of model OP364, resistance value is
The resistance R2 of 100K Ω, resistance value are the adjustable resistance R6 of 0~100K Ω, and the resistance R7 and capacitance that resistance value is 10K Ω are 0.1 μ
The polar capacitor C3 of F is formed.
When connection, one end of resistance R2 is connected with the anode of polar capacitor C1, the output end of the other end and amplifier P2
It is connected.The cathode of polar capacitor C3 is connected with the output end of amplifier P2, anode after adjustable resistance R6 with amplifier P2
Cathode be connected.One end of resistance R7 is connected with the output end of amplifier P3, and the other end is connected with the cathode of amplifier P2
It connects.The plus earth of the amplifier P2.
When operation, the power frequency of the current signal that the resistance R1 of second-order filter circuit exports digital signal processor into
Row limitation, keeps the power frequency of signal more stable, and the signal after power frequency limitation is then through amplifier P1, polar capacitor C1 and electricity
The first filter that resistance R3 is formed is filtered, which can effectively disappear to the garbage signal frequency in input signal
It removes, the second filter that polar capacitor C2 and resistance R4 are formed filters the filtered signal of first filter again, makes
The electric current of signal remains ± 4A, it is ensured that the stability of signal frequency.Then, second-order filter circuit treated signal transmission
RC low-pass filter circuit is given, the resistance R5 and polar capacitor C5 of the RC low-pass filter circuit inhibit the high-frequency of signal,
The high-frequency in signal is set quickly to reduce, the signal after high-frequency inhibits is transferred to amplifier P3, polar capacitor C4 and electricity
The filter amplifier making frequency adjustment that R8 is formed is hindered, keeps the frequency of signal close with the frequency of sampled signal.Wherein, it is serially connected in
The signal trimming circuit of RC low-pass filter circuit and second-order filter circuit then can by the adjusting of the resistance value to adjustable resistance R6 come
The frequency of signal is further adjusted, the filter that the polar capacitor C3 and amplifier P2 in the circuit are formed is to signal
In remaining garbage signal it is for re-filtering after microprocessor is transferred to by amplifier P3.
Therefore, the step low-pass active filter circuit in the signal processing system of invention is to the garbage signal frequency in signal
It is suppressed or eliminated, and the high-frequency reduction of speed in signal can also adjust the frequency of signal, make signal
Frequency is more stable, to improve the accuracy of drying temperature control of the present invention to vacuum dryer.
According to above-described embodiment, the present invention can be realized well.
Claims (4)
1. a kind of vacuum dryer control system of nano phase change energy storage material, which is characterized in that mainly by microprocessor,
Power supply, the first relay, memory module, signal processing system and the display screen being connected with the microprocessor, are controlled to a power supply
Thermocouple, the second relay being connected with thermocouple, the alarm being connected with the second relay, with signal processing system
The temperature sensor being connected, and the data inserter composition being connected with memory module；The power supply and temperature sensor
It is connected；The memory module is connected with display screen；The signal processing system is connected by AD converter with AD converter
Digital signal processor, the step low-pass active filter circuit being connected with digital signal processor is active with step low-pass
The signal amplifier that filter circuit is connected, and the programmable attenuator composition being connected with signal amplifier；The second order is low
Power filter is connected with by second-order filter circuit, the RC low-pass filter circuit being connected with second-order filter circuit, and be serially connected in
Signal trimming circuit composition between second-order filter circuit and RC low-pass filter circuit；The output end of the second-order filter circuit with
Temperature sensor is connected；The output end of the RC low-pass filter circuit is connected with the microprocessor；
The second-order filter circuit is by amplifier P1, and one end is connected with the anode of amplifier P1, the other end and temperature sensor
The resistance R1 being connected, the electricity that one end is connected with the anode of amplifier P1, the other end is connected with the output end of amplifier P1
Hinder R3, anode be connected with the anode of amplifier P1, the polar capacitor C1 that cathode is connected with the output end of amplifier P1, and
The polarity that ground connection, anode are connected after resistance R4 with the output end of amplifier P1 after cathode is connected with the cathode of amplifier P1
Capacitor C2 composition；The output end of the amplifier P1 is connected with RC low-pass filter circuit；The anode of the polar capacitor C1 is also
It is connected with signal trimming circuit.
2. a kind of vacuum dryer control system of nano phase change energy storage material according to claim 1, feature exist
In, the RC low-pass filter circuit by amplifier P3, one end is connected with the output end of amplifier P1, the other end and amplifier P3
The resistance R5 that is connected of anode, anode is connected with the anode of amplifier P3, the polar capacitor C5 of cathode ground connection, it is positive with put
The cathode of big device P3 is connected, the polar capacitor C4 of cathode ground connection and one end are connected with the cathode of polar capacitor C4, are another
Hold the resistance R8 composition being connected with the output end of amplifier P3；The output end of the amplifier P3 is connected with signal trimming circuit
It connects, the output end of amplifier P3 is also used as the output end of RC low-pass filter circuit and is connected with the microprocessor.
3. a kind of vacuum dryer control system of nano phase change energy storage material according to claim 2, feature exist
In, the signal trimming circuit by amplifier P2, one end is connected with the anode of polar capacitor C1, the other end and amplifier P2
The resistance R2 that output end is connected, cathode is connected with the output end of amplifier P2, anode after adjustable resistance R6 with amplifier
The polar capacitor C3 and one end that the cathode of P2 is connected be connected with the output end of amplifier P3, the other end and amplifier P2
Cathode be connected resistance R7 composition；The plus earth of the amplifier P2.
4. a kind of vacuum dryer control system of nano phase change energy storage material according to claim 3, feature exist
In the microprocessor is AT89C51 single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200206.2A CN106774522B (en) | 2017-03-30 | 2017-03-30 | A kind of vacuum dryer control system of nano phase change energy storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200206.2A CN106774522B (en) | 2017-03-30 | 2017-03-30 | A kind of vacuum dryer control system of nano phase change energy storage material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106774522A CN106774522A (en) | 2017-05-31 |
| CN106774522B true CN106774522B (en) | 2019-01-25 |
Family
ID=58966693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710200206.2A Expired - Fee Related CN106774522B (en) | 2017-03-30 | 2017-03-30 | A kind of vacuum dryer control system of nano phase change energy storage material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106774522B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803708A (en) * | 2018-02-23 | 2018-11-13 | 深圳市物联微电子有限公司 | A kind of Single chip microcomputer temperature control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650496A (en) * | 2012-06-05 | 2012-08-29 | 苏州市金翔钛设备有限公司 | Automatic control system of multifunctional drying machine |
| CN203518535U (en) * | 2013-10-14 | 2014-04-02 | 叶文明 | Monitoring system for drying cistanche |
| CN203605671U (en) * | 2013-09-02 | 2014-05-21 | 重庆跃腾电器有限公司 | Drying control system |
| CN205725665U (en) * | 2016-04-22 | 2016-11-23 | 金陵科技学院 | A kind of RF broadband amplifier of gain controllable |
| CN206639068U (en) * | 2017-03-30 | 2017-11-14 | 成都优创复材科技有限公司 | A kind of vacuum dryer control system of nano phase change energy storage material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145491A (en) * | 1995-11-16 | 1997-06-06 | Kokusai Electric Co Ltd | Temperature control device of heat treatment furnace |
-
2017
- 2017-03-30 CN CN201710200206.2A patent/CN106774522B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650496A (en) * | 2012-06-05 | 2012-08-29 | 苏州市金翔钛设备有限公司 | Automatic control system of multifunctional drying machine |
| CN203605671U (en) * | 2013-09-02 | 2014-05-21 | 重庆跃腾电器有限公司 | Drying control system |
| CN203518535U (en) * | 2013-10-14 | 2014-04-02 | 叶文明 | Monitoring system for drying cistanche |
| CN205725665U (en) * | 2016-04-22 | 2016-11-23 | 金陵科技学院 | A kind of RF broadband amplifier of gain controllable |
| CN206639068U (en) * | 2017-03-30 | 2017-11-14 | 成都优创复材科技有限公司 | A kind of vacuum dryer control system of nano phase change energy storage material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106774522A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106774522B (en) | A kind of vacuum dryer control system of nano phase change energy storage material | |
| CN202993463U (en) | Air conditioner, network communication system and power carrier network module for air conditioner | |
| CN109049306A (en) | A kind of concrete standard fog room temperature and humidity intelligent monitoring system | |
| CN208547191U (en) | A kind of intelligent drying apparatus that can be dried automatically | |
| CN206639068U (en) | A kind of vacuum dryer control system of nano phase change energy storage material | |
| CN109357528A (en) | A kind of ceramic material sintering furnace and its control method using electric field-assisted | |
| CN103088609A (en) | Clothes processing device | |
| TW202239382A (en) | Steam ablation equipment | |
| CN201336583Y (en) | Remote terminal electrical installation power switch control system based on power line carrier | |
| CN110289672B (en) | Reconfigurable super capacitor stack charging and discharging control method and system based on temperature suppression | |
| CN107065968A (en) | A kind of curing apparatus temperature control system of quick self-repair material | |
| CN206639065U (en) | A kind of curing apparatus temperature control system of quick self-repair material | |
| CN206930968U (en) | A kind of storage facilities temperature control system of microencapsulation material | |
| CN210015153U (en) | Active electromagnetic interference electricity stealing alarm device | |
| CN114326881A (en) | Intelligent operation and maintenance system for temperature and humidity of substation equipment box | |
| CN208836021U (en) | A kind of constant-power control circuit and electric device | |
| CN206610114U (en) | A kind of electrodeless noise reduction adjusting means of full-automatic loading resistor | |
| CN207098387U (en) | A kind of capacitor compensation cabinet | |
| CN207472958U (en) | Power consumption self-diagnostic circuit and the measuring instrument for including the power consumption self-diagnostic circuit | |
| CN105192867A (en) | Remote heating control system for solar tobacco curing barn | |
| CN207625162U (en) | High-tension switch cabinet | |
| CN206639073U (en) | Based on current regulation type microencapsulation material storage facilities temperature control system | |
| CN215954170U (en) | Temperature and humidity controller for air-cured cigar | |
| CN205404671U (en) | A sensor that is used for capacitive equipment end screen current measurement | |
| CN205641364U (en) | Computer lab is from heat sink |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200826 Address after: No. 1719, 17th floor, building 4, No. 89, Hezuo Road, high tech Zone, Chengdu, Sichuan 610000 Patentee after: Chengdu Yifa xiangrongxin Energy Material Technology Co.,Ltd. Address before: West high tech Zone Fucheng Road in Chengdu city of Sichuan province 610000 399 No. 7 Building 3 unit 8 floor No. 807 Patentee before: CHENGDU ULTRALIGHTECH Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221121 Address after: No. 88, Yingbin Avenue, Shouan Town, Pujiang County, Chengdu, Sichuan 610000 Patentee after: Chengdu Dachao Technology Co.,Ltd. Address before: No.1719, 17 / F, building 4, No.89 Hezuo Road, high tech Zone, Chengdu, Sichuan 610000 Patentee before: Chengdu Yifa xiangrongxin Energy Material Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |