CN106647867A - Fumigation therapy instrument control system and control method - Google Patents
Fumigation therapy instrument control system and control method Download PDFInfo
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- CN106647867A CN106647867A CN201710133571.6A CN201710133571A CN106647867A CN 106647867 A CN106647867 A CN 106647867A CN 201710133571 A CN201710133571 A CN 201710133571A CN 106647867 A CN106647867 A CN 106647867A
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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
- G05D23/24—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 having a resistance varying with temperature, e.g. a thermistor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/06—Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths
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Abstract
The invention provides a fumigation therapy instrument control system and control method. The control system comprises an MCU (Main Control Unit), a power module, a key module, a temperature control module, a heating device and an overtemperature protection module, wherein the power module provides working power for the control system, the output end of the key module is connected with the MCU, the input end of the temperature control module is connected with the MCU, the heating device is used for heating medicinal liquid, the overtemperature protection module comprises a first overtemperature protection circuit and a second overtemperature protection circuit, and the first overtemperature protection circuit plays a role in controlling the heating temperature during normal heating; when the first overtemperature protection circuit, the temperature control module or the heating device fails, the heating device is out of control and continuously heats and the temperature of the medical liquid is higher than a certain set value, the second overtemperature protection circuit starts working, and the power for the heating device is cut off by switching a relay to force the heating device to stop heating, so that double overtemperature protection is achieved.
Description
Technical field
The present invention relates to fumigation apparatus technical field, more particularly to a kind of fumigation treatment instrument control system and its controlling party
Method.
Background technology
Physical research shows that all temperature can be to less than own temperature higher than the object of absolute zero (- 273 DEG C)
External radiation energy, the material behavior of the intensity and wavelength and object of radiation itself, temperature, surface characteristic are relevant.Human body is also
One radiation source, the body temperature that 37 DEG C of Healthy People can radiation wavelength be equably 4 μm～14 μm of far infrared wave, and work as ill or
When some positions occur pathology, the temperature of whole body or local organization can be raised and lowered, other biological natures such as magnetic field, electricity
The indexs such as field, biochemistry also can change.According to Kirchhoff's law, human body is both a good radiant body, while being also one
Individual good absorber.Therefore, the thermal-radiating infrared wavelength for treatment should be corresponding with the radiation wavelength of human body, " far infrared
The theory of heating best match absorption " is namely based on this principle.When far infrared wave irradiates human body, its frequency and body
When cellular elements, interatomic moisture movement frequency in body are consistent, cause resonance effects, its energy highest and can be given birth to
Object is absorbed, and the temperature for making hypodermis deep layer position is raised, and the fuel factor of generation makes water molecule activation, in high energy shape
State, accelerates the synthesis of the biology enzyme of human body needs, while the biomolecule such as activation of protein, so as to strengthen immunity of organisms and life
The tissue regeneration ability of thing cell, accelerates supply nutrient and ferment, promotes healthy.
Clinical practice infrared waves irradiation treatment treatment pain, diseases associated with inflammation existing many years, the biological effect of infrared waves
Should be that fuel factor produces resonance, sympathetic response with in-vivo tissue cell, promote activity.And due to producing thermogenetic effect, make human body
Marjoram Extract, self-disciplining is strengthened, and blood circulation is accelerated, and the mass exchange of cell and blood is accelerated, so as to promote body
Metabolism.Meanwhile, far infrared wave improves cytophagous phagocytic activity, and the absorption for being conducive to chronic inflammation is dissipated, and is suitable for
In the various types of chronic inflammations for the treatment of, such as some chronic inflammations of neuritis myositis, arthritis and internal organ.Heat energy can reduce sense
Feel the excitability of nerve, and various pain are treated by alleviating muscle cramp, detumescence, anti-inflammatory and improving blood circulation, such as god
Dysmenorrhoea and Crampy Pain, struvite and avascular pain etc..
Chinese herbal medicine fumigate be traditional Chinese medicine external therapy a part, after being boiled using medicine produce steam
Directly absorb to fumigate the positions such as human body, drugs through skin, hole key, acupuncture points on the human body, into passages through which vital energy circulates blood network, defeated cloth whole body, to play
Its pharmacological action, reaches the purpose for treating various diseases.It has relaxes the muscles and stimulate the blood circulation, dredging the channel, can expand capilary, promotes
Blood circulation, plays a part of promoting circulation of blood and dissipates the stasis of blood, swelling and pain relieving, also has sweating and heat resolving, anti-infective and putrefaction-removing granulation-promoting etc. in addition
Effect.And with wound it is little the features such as, be used widely.
Current fumigation treatment instrument control system, only simple overheat protector mostly, only by main control singlechip root
Heated to heater according to whether the measurement result of temperature sensor controls temperature control module, be only to provide one simply
Signal, and not emergent overheat protector measure in circuit, when the overheat protector fails, it is impossible to cut off heater in time
Power supply, easily cause therapeutic process high temperature and burn, there is potential safety hazard.
The content of the invention
The technical problem to be solved is：In order to overcome deficiency of the prior art, the present invention to provide a kind of smoked
Steam therapeutic equipment control system and its control method.
The present invention solves its technical problem technical scheme to be taken：A kind of fumigation treatment instrument control system, including
MCU Main Processing Unit, power module, key-press module, temperature control module, heater and overheat protector module, the power module is
The control system provides working power, and the output end of the key-press module is connected with the I/O mouths of the MCU Main Processing Unit, institute
State the input of temperature control module to be connected with the I/O mouths of the MCU Main Processing Unit, the heater is used for the heating of liquid, institute
Overheat protector module is stated including the first temperature control protection circuit and the second temperature control protection circuit, the first temperature control protection circuit includes
First temperature inductor, reference voltage and comparator, first temperature inductor measures in real time fumigation treatment instrument inner liquid medicine
Temperature, first temperature inductor and reference voltage are connected respectively with two inputs of comparator, the output of the comparator
End is connected with the I/O mouths of the MCU Main Processing Unit, and the second temperature control protection circuit includes second temperature inductor, relay
REL1 and control relay circuit, the second temperature inductor measures in real time the temperature of fumigation treatment instrument inner liquid medicine, and described
The output end of second temperature inductor is connected with the I/O mouths of the MCU Main Processing Unit, and the relay REL1 is connected to temperature control mould
Be used to being switched on or switched off the power supply of heater between block and heater, the input of the control relay circuit with it is described
The I/O mouths connection of MCU Main Processing Unit, the output end of the control relay circuit is connected with the relay REL1.
Wherein, MCU Main Processing Unit U2 adopts single-chip microcomputer STC15W408AD, heater to heat using infrared light, comparator
U5 adopts LM393 comparators, the first temperature inductor to adopt thermistor RM1, reference voltage to adopt adjustable resistance TR1, adjust
TR1, changes its resistance, produces different magnitudes of voltage, and thermistor RM1 is compared, when adjustable resistance TR1 terminal voltage values it is little
When thermistor RM1 terminal voltage values, the first output end OUT-A (pin 1) output high level, i.e. first temperature of comparator U5
When the fluid temperature of inductor monitoring is less than setting value, heater works on；Second temperature inductor adopts Temperature Controlling Chip
The I/O mouths pin 16 of DS18B20, DS18B20 output temperature measurement signal DQ to MCU Main Processing Unit.
The overheat protector module of the present invention realizes dual guarantor using the first temperature control protection circuit and the second temperature control protection circuit
Shield, in normal heating, the first temperature control protection circuit works, and heating-up temperature is controlled；When the first temperature control protection circuit,
When temperature control module or heater break down, the uncontrolled continuous heating of heater, and fluid temperature is made higher than a certain
After setting value, the second temperature control protection circuit is started working, and by the switching of relay REL1 the power supply of heater is will be switched off, and is compeled
Heater stop is heated, dual overheat protector is played.
Specifically, the control relay circuit includes triode Q4, resistance R15 and diode D2, the triode Q4
Emitter stage meet power supply VCC, the colelctor electrode of the triode Q4 connects diode D2 negative electrodes, the plus earth of the diode D2
Output signal CON1 after the base stage series resistor R15 of GND, the triode Q4, the signal CON1 is connected to the MCU master controls
The I/O mouths of unit, two coil pins (pin 1 and pin 2) of the relay REL1 are connected in parallel on the two ends of the diode D2,
And the connection diode D2 negative electrodes of pin 1, the anode of the connection diode D2 of pin 2, the common (pin of the relay REL1
3) power input of heater is connected, the normally-closed contact (pin 5) of the relay REL1 connects the output of temperature control module
End, when the first temperature control protection circuit works, the common (pin 3) of the relay REL1 is with normally-closed contact (pin 5) even
Connect, when the second temperature control protection circuit works, common (pin 3) and the normally-closed contact (pin 5) of the relay REL1 break
Open and be connected with normally opened contact (pin 4).
Further, in order to realize the adjustment of infrared wave duct heating power, the temperature control module includes bidirectional triode thyristor, optocoupler
U4, triode Q5, resistance R16, R17, R18, R19 and R20 and electric capacity C10, bidirectional triode thyristor adopts BT136, optocoupler U4 to adopt
MOC3021, triode Q5 adopt S8550, and after an input (pin 1) the series resistor R16 of the optocoupler U4 power supply is connected
VCC, another input (pin 2) is connected with the emitter stage of triode Q5, and grounded collector GND of the triode Q5 is described
The base stage of triode Q5 is connected to one end of resistance R17, and other end output signal NET-P5.5 of the resistance R17 is connected to institute
State the I/O mouths (pin 9) of MCU Main Processing Unit, after an output end (pin 6) the series resistor R20 of the optocoupler U4 with it is described after
Normally-closed contact (pin 5) connection of electrical equipment REL1, another output end of control pole G of the bidirectional triode thyristor and the optocoupler U4
(pin 4) connects, and the resistance R18 is connected in parallel between control pole G of the bidirectional triode thyristor and first anode T1, and described second
Anode T2 is connected with the normally-closed contact (pin 5) of the relay REL1, and the electric capacity C10 connects with resistance R19, and the electricity
The exit for holding C10 is connected to the first anode T1 of bidirectional triode thyristor, the exit of the resistance R19 and the relay REL1
Normally-closed contact (pin 5) connection.
Further, due to the intensity of the conducting width adjusting far infrared wave duct using bidirectional triode thyristor BT136, alternating current is only
Having could adjust the conducting width of bidirectional triode thyristor BT136 in zero crossing, therefore, also including zero cross signal detection module, institute
Zero cross signal detection module is stated including resistance R29, resistance R30 and triode Q6, triode Q6 adopts S8550, the triode
The emitter stage of Q6 meets power supply VCC, exports with the rectifier bridge of the power module after the base stage series resistor R29 of the triode Q6
End V+ connections, after the collector series connection resistance R30 of the triode Q6 GND is grounded, and the colelctor electrode draws with the public of resistance R30
Go out to hold P3.3 to be connected to the I/O mouths (pin 18) of MCU Main Processing Unit.
The setting of parameter and control mode realizes that specifically, the key-press module includes three using key-press module
Button K1K4 and K5, three resistance R7, R10 and R11, and three resistances are equal, one end of described button K1, K4 and K5 with
Ground GND connections, the other end of described button K1, K4 and K5 is connected to power supply after connecting with described resistance R7, R10 and R11 respectively
The common port of VCC, the button K1 and K4 and the resistance R7 and R10 respectively with two I/O mouths of the MCU Main Processing Unit
(pin 1 and pin 4) connects.The key-press module be used for the heat time, heating-up temperature, intelligent control method, beginning/time-out,
The setting of anion state.Wherein, button K1 is used to setting working time of therapeutic equipment, and button K4 is beginning/Pause key, button
K5 is for the setting of anion working condition.
Further, in order to realize in time prompting, also including alarm module, the alarm module include buzzer Beep, three
Pole pipe Q4 and resistance R12, triode Q4 adopts S8550, one end ground connection GND of the buzzer Beep, the other end to connect three poles
The colelctor electrode of pipe Q4, the emitter stage of the triode Q4 meets power supply VCC, after the base stage series resistor R12 of the triode Q4 with
I/O mouths (pin 7) connection of the MCU Main Processing Unit.
Further, for the ease of checking the parameter and working condition of setting, also including display module, the display module with
I/O mouths (the pin 13- pins 15) connection of the MCU Main Processing Unit.Wherein, pin 13 is that liquid crystal enables signal CS-1621, is drawn
Pin 14 is liquid crystal write signal WR-1621, and pin 15 is liquid crystal read signal DA-1621.
Specifically, the power module includes transformer, rectifier bridge and the direct current stabilizer being sequentially connected, wherein rectifier bridge
Using DB107S, direct current stabilizer adopts LM7805, the input connection 220AV AC powers of the transformer, the direct current
Voltage-stablizer out-put supply VCC, VCC power supplys are+5V.
A kind of fumigation treatment instrument control method, including above-mentioned control system, the heater is heated using infrared wave duct,
It is further comprising the steps of：
First, 220AC power supplys are connected, by during key-press module setting work, by adjusting adjustable resistance TR1 setting temperature
Degree, and start button K4 countdown work, infrared wave duct begins to warm up, and the working time arrives, and infrared wave duct is closed and stops heating；
In the case of normal heating, the normally-closed contact closure of relay REL1, the first temperature control protection circuit plays overheat protector
Effect, the temperature of the first temperature inductor real-time monitoring liquid, and real-time temperature values are carried out with set temperature value by comparator
Relatively, when real-time temperature values are less than set temperature value, you can when adjusting resistance TR1 terminal voltages to be less than thermistor RM1 terminal voltages,
MCU Main Processing Unit controls infrared wave duct to be continued to heat, otherwise then stops heating；It is red when fluid temperature reaches set temperature value
Outer wave duct enters 70% rated power and works, 70% rated power, and the brightness of pipe and heat ratio 100% are overall pulse width
Degree is low；Meanwhile, display module Current Temperatures shown above, setting time and working condition；
When different set temperature values are needed, adjustable resistance TR1 is adjusted, changes its resistance, produce different magnitudes of voltage,
It is compared with thermistor RM1 terminal voltages, is compared by comparator U5, when adjustable resistance TR1 terminal voltage values are less than temperature-sensitive
During resistance RM1 terminal voltage values, the pin of comparator U5 first (OUT-A) output high level, the pin of MCU Main Processing Unit U2 the 17th are high electricity
Flat, infrared wave duct is started working, otherwise is closed.
When the first temperature control protection circuit or temperature control module surprisingly fail, in order to ensure temperature-controllable, temperature is occurred without
Persistently raise, scald patient skin etc. surprisingly, the therapeutic equipment increased the second temperature control protection circuit, the monitoring of second temperature inductor
Fluid temperature, when fluid temperature is higher by 10 degree than set temperature value, I/O messages CON1 of MCU Main Processing Unit export low electricity
It is flat, triode Q4 is turned on, relay REL1 actions, common jumps to normally opened contact by normally-closed contact, cuts off infrared wave duct
Working power, and MCU Main Processing Unit control alarm module sends alarm sound, display screen prompting chance failure..
When needing to adjust the intensity of infrared wave duct, zero crossing, specifically, rectification are detected by zero cross signal detection module
The V+ ends of device, output be cycle 10ms pulse direct current, when pulse current zero crossing, triode Q6 conductings, P3.3 is defeated
Go out high level, MCU Main Processing Unit detects high level, and exports low level by I/O messages NET-P5.5, leads triode Q5
Logical, the input of optocoupler U4 has electric current to pass through, and optocoupler U4 is shinny for triggering, and now, silicon controlled first anode T1 conductings pass through
Delay procedure in MCU Main Processing Unit, control silicon controlled is Turned on/off time length to realize to infrared wave duct brightness i.e.
The regulation of power.
The invention has the beneficial effects as follows：A kind of fumigation treatment instrument control system and its control method that the present invention is provided, adopt
Duplicate protection is realized with the first temperature control protection circuit and the second temperature control protection circuit, in normal heating, the first temperature control protection electricity
Road is worked, and heating-up temperature is controlled；When the first temperature control protection circuit, temperature control module or heater break down,
The uncontrolled continuous heating of heater, and make fluid temperature higher than after a certain setting value, the second temperature control protection circuit starts
Work, by the switching of relay REL1 the power supply of heater is will be switched off, and forces heater stop to heat, and plays dual mistake
Temperature protection.
Description of the drawings
With reference to the accompanying drawings and examples the invention will be further described.
Fig. 1 is the principle schematic of preferred embodiment；
Fig. 2 is the principle schematic of power module；
Fig. 3 is the principle schematic of MCU Main Processing Unit；
Fig. 4 is the principle schematic of the first temperature control protection circuit；
Fig. 5 is the principle schematic of temperature control module and the second temperature control protection circuit；
Fig. 6 is zero cross signal detection module principle schematic.
Specific embodiment
Presently in connection with accompanying drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
The basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figures 1 to 6, a kind of fumigation treatment instrument control system of the invention, including MCU Main Processing Unit, power module,
Key-press module, temperature control module, heater, display module, alarm module and overheat protector module, the power module is described
Control system provides working power, and the output end of the key-press module is connected with the I/O mouths of the MCU Main Processing Unit, the temperature
The input of control module is connected with the I/O mouths of the MCU Main Processing Unit, and the heater is used for the heating of liquid, the mistake
Warm protection module includes the first temperature control protection circuit and the second temperature control protection circuit, and the first temperature control protection circuit includes first
Temperature inductor, reference voltage and comparator, first temperature inductor measures in real time the temperature of fumigation treatment instrument inner liquid medicine,
First temperature inductor and reference voltage are connected respectively with two inputs of comparator, the output end of the comparator and institute
State MCU Main Processing Unit I/O mouths connection, the second temperature control protection circuit include second temperature inductor, relay REL1 and
Control relay circuit, the second temperature inductor measures in real time the temperature of fumigation treatment instrument inner liquid medicine, and described second warm
The output end of degree inductor is connected with the I/O mouths of the MCU Main Processing Unit, and the relay REL1 is connected to temperature control module and adds
It is used to be switched on or switched off the power supply of heater, the input of the control relay circuit and the MCU master between thermal
The I/O mouths connection of control unit, the output end of the control relay circuit is connected with the relay REL1.
Wherein, MCU Main Processing Unit U2 adopts single-chip microcomputer STC15W408AD, heater to heat using infrared light, comparator
U5 adopts LM393 comparators, the first temperature inductor to adopt thermistor RM1, reference voltage to adopt adjustable resistance TR1, adjust
TR1, changes its resistance, produces different magnitudes of voltage, and thermistor RM1 is compared, when adjustable resistance TR1 terminal voltage values it is little
When thermistor RM1 terminal voltage values, the first output end OUT-A (pin 1) output high level, i.e. first temperature of comparator U5
When the fluid temperature of inductor monitoring is less than setting value, heater works on；Second temperature inductor adopts Temperature Controlling Chip
The I/O mouths pin 16 of DS18B20, DS18B20 output temperature measurement signal DQ to MCU Main Processing Unit, display module adopts liquid crystal
Show, alarm module adopts buzzer Beep.
As shown in Fig. 2 the power module includes transformer, rectifier bridge and the direct current stabilizer being sequentially connected, wherein whole
Stream bridge adopts DB107S, direct current stabilizer to adopt LM7805, and the input connection 220AV AC powers of the transformer are described
Direct current stabilizer out-put supply VCC, VCC power supplys are+5V, and rectification bridge output end V+ connects with the input of zero cross signal detection module
Connect.
As shown in figure 3, MCU Main Processing Unit U2 adopts single-chip microcomputer STC15W408AD, pin 1- pins 4 to be used for key-press module,
The connection LED6 of pin 6 is used to indicate that pin 7 to be used to drive buzzer Beep, and pin 8 and pin 10 are power supply VCC and ground GND,
Meet electric capacity C8 and C9 to be filtered, pin 9 is used to export the drive signal NET-P5.5 of infrared wave duct heating power adjustment, pin
13- pins 15 are used to connect the driving of LCD MODULE, and pin 16 is used for second temperature inductor DS18B20 temperature signal DQ's
Input, pin 17 is used for the input of first output end OUT-A of comparator U5, and pin 18 is for the output of zero cross signal detection module
The input of signal P3.3, pin 20 is used for output relay REL1 switching signals CON1.
Key-press module is used for heat time, heating-up temperature, intelligent control method, beginning/time-out, anion state and sets
Put, including three buttons K1, K4 and K5, three resistance R7, R10 and R11, and three resistances are equal, described button K1, K4
It is connected with ground GND with one end of K5, the other end of described button K1, K4 and K5 is connected respectively with described resistance R7, R10 and R11
After be connected to the common port of power supply VCC, the button K1 and K4 and the resistance R7 and R10 respectively with the MCU Main Processing Unit
Two I/O mouths (pin 1 and pin 4) connection.Wherein, button K1 is used to set the working time of therapeutic equipment, and button K4 is to open
Beginning/Pause key, button K5 is anion control button, for the setting of anion working condition.
Alarm module be used for button operation when prompting and fault alarm, the alarm module include buzzer Beep, three
Pole pipe Q4 and resistance R12, triode Q4 adopts S8550, one end ground connection GND of the buzzer Beep, the other end to connect three poles
The colelctor electrode of pipe Q4, the emitter stage of the triode Q4 meets power supply VCC, after the base stage series resistor R12 of the triode Q4 with
I/O mouths (pin 7) connection of the MCU Main Processing Unit.Buzzer Beep sends sound when button is triggered, and time is up
Can ring, send sound instruction, sound can be sent during failure.
The display module is connected with the I/O mouths (pin 13- pins 15) of the MCU Main Processing Unit.Wherein, pin 13 is
Liquid crystal enables signal CS-1621, and pin 14 is liquid crystal write signal WR-1621, and pin 15 is liquid crystal read signal DA-1621.
As shown in figure 4, comparator U5 adopts LM393 comparators, the first temperature inductor to adopt thermistor RM1, benchmark
Voltage adopts adjustable resistance TR1, thermistor RM1 to measure the temperature of fumigation treatment instrument inner liquid medicine in real time, thermistor RM1 with than
Input IN-A+ connections compared with device U5, the sliding end of adjustable resistance TR1 is connected with the input IN-A- of comparator U5, comparator
First output end OUT-A of U5 is connected with the I/O mouths pin 17 of the MCU Main Processing Unit, and light emitting diode D3 is used to indicate the
One temperature control protection circuit works on power.
As shown in Figure 5 and Figure 6, the temperature control module include zero cross signal detection module, bidirectional triode thyristor, optocoupler U4, three
Pole pipe Q5, resistance R16, R17, R18, R19 and R20 and electric capacity C10, bidirectional triode thyristor adopts BT136, optocoupler U4 to adopt
MOC3021, triode Q5 adopt S8550, and after an input (pin 1) the series resistor R16 of the optocoupler U4 power supply is connected
VCC, another input (pin 2) is connected with the emitter stage of triode Q5, and grounded collector GND of the triode Q5 is described
The base stage of triode Q5 is connected to one end of resistance R17, and other end output signal NET-P5.5 of the resistance R17 is connected to institute
State the I/O mouths (pin 9) of MCU Main Processing Unit, after an output end (pin 6) the series resistor R20 of the optocoupler U4 with it is described after
Normally-closed contact (pin 5) connection of electrical equipment REL1, another output end of control pole G of the bidirectional triode thyristor and the optocoupler U4
(pin 4) connects, and the resistance R18 is connected in parallel between control pole G of the bidirectional triode thyristor and first anode T1, and described second
Anode T2 is connected with the normally-closed contact (pin 5) of the relay REL1, and the electric capacity C10 connects with resistance R19, and the electricity
The exit for holding C10 is connected to the first anode T1 of bidirectional triode thyristor, the exit of the resistance R19 and the relay REL1
Normally-closed contact (pin 5) connection.Bidirectional triode thyristor and optocoupler are the infrared wave duct switch of control, the circuit of intensity.
As shown in fig. 6, zero cross signal detection module is used for the zero-crossing examination of power supply, MCU signals are given, now can be adjusted
The intensity of infrared tube.Zero cross signal detection module includes resistance R29, resistance R30 and triode Q6, and triode Q6 adopts S8550,
The emitter stage of the triode Q6 meets power supply VCC, with the power module after the base stage series resistor R29 of the triode Q6
Rectification bridge output end V+ connects, and after the collector series connection resistance R30 of the triode Q6 GND, the colelctor electrode and resistance are grounded
The public exit P3.3 of R30 is connected to the I/O mouths (pin 18) of MCU Main Processing Unit.
As shown in figure 5, the second temperature control protection circuit includes second temperature inductor, relay REL1 and Control electricity
Road, the second temperature inductor measures in real time the temperature of fumigation treatment instrument inner liquid medicine, and the second temperature inductor is defeated
Go out end to be connected with the I/O mouths of the MCU Main Processing Unit, the relay REL1 is connected between temperature control module and heater and uses
In the power supply for being switched on or switched off heater, the I/O mouths of the input of the control relay circuit and the MCU Main Processing Unit
Connection, the output end of the control relay circuit is connected with the relay REL1.The control relay circuit includes three
Pole pipe Q4, resistance R15 and diode D2, the emitter stage of the triode Q4 meets power supply VCC, and the colelctor electrode of the triode Q4 connects
Diode D2 negative electrodes, output letter after the base stage series resistor R15 of the plus earth GND of the diode D2, the triode Q4
Number CON1, the signal CON1 are connected to the I/O mouths of the MCU Main Processing Unit, and two coil pins of the relay REL1 (are drawn
Pin 1 and pin 2) it is connected in parallel on the two ends of the diode D2, and the connection diode D2 negative electrodes of pin 1, the connection diode D2 of pin 2
Anode, the common (pin 3) of the relay REL1 connects the power input of infrared wave duct, and interface J2 is used to connect
Infrared wave duct, the normally-closed contact (pin 5) of the relay REL1 connects the output end of temperature control module, the first temperature control protection circuit
During work, the common (pin 3) of the relay REL1 is connected with normally-closed contact (pin 5), the second temperature control protection circuit
During work, the common (pin 3) of the relay REL1 disconnect with normally-closed contact (pin 5) and with normally opened contact (pin
4) connect.
A kind of fumigation treatment instrument control method, including above-mentioned control system, the heater is heated using infrared wave duct,
It is further comprising the steps of：
First, 220AC power supplys are connected, the working time is set by key-press module, by adjusting adjustable resistance TR1 setting temperature
Degree, and start button K4 countdown work, infrared wave duct begins to warm up, and the working time arrives, and infrared wave duct is closed and stops heating；
In the case of normal heating, the normally-closed contact closure of relay REL1, the first temperature control protection circuit plays overheat protector
Effect, the temperature of the first temperature inductor real-time monitoring liquid, and real-time temperature values are carried out with set temperature value by comparator
Relatively, when real-time temperature values are less than set temperature value, you can when adjusting resistance TR1 terminal voltages to be less than thermistor RM1 terminal voltages,
MCU Main Processing Unit controls infrared wave duct to be continued to heat, otherwise then stops heating；It is red when fluid temperature reaches set temperature value
Outer wave duct enters 70% rated power and works, 70% rated power, and the brightness of pipe and heat ratio 100% are overall pulse width
Degree is low；Meanwhile, display module Current Temperatures shown above, setting time and working condition；
When different set temperature values are needed, adjustable resistance TR1 is adjusted, changes its resistance, produce different magnitudes of voltage,
It is compared with thermistor RM1 terminal voltages, is compared by comparator U5, when adjustable resistance TR1 terminal voltage values are less than temperature-sensitive
During resistance RM1 terminal voltage values, the pin of comparator U5 first (OUT-A) output high level, the pin of MCU Main Processing Unit U2 the 17th are high electricity
Flat, infrared wave duct is started working, otherwise is closed.
When the first temperature control protection circuit or temperature control module surprisingly fail, in order to ensure temperature-controllable, temperature is occurred without
Persistently raise, scald patient skin etc. surprisingly, the therapeutic equipment increased the second temperature control protection circuit, the monitoring of second temperature inductor
Fluid temperature, when fluid temperature is higher by 10 degree than set temperature value, I/O messages CON1 of MCU Main Processing Unit export low electricity
It is flat, triode Q4 is turned on, relay REL1 actions, common jumps to normally opened contact by normally-closed contact, cuts off infrared wave duct
Working power, and MCU Main Processing Unit control alarm module sends alarm sound, display screen prompting chance failure..
When needing to adjust the intensity of infrared wave duct, zero crossing, specifically, rectification are detected by zero cross signal detection module
The V+ ends of device, output be cycle 10ms pulse direct current, when pulse current zero crossing, triode Q6 conductings, P3.3 is defeated
Go out high level, MCU Main Processing Unit detects high level, and exports low level by I/O messages NET-P5.5, leads triode Q5
Logical, the input of optocoupler U4 has electric current to pass through, and optocoupler U4 is shinny for triggering, and now, silicon controlled first anode T1 conductings pass through
Delay procedure in MCU Main Processing Unit, control silicon controlled is Turned on/off time length to realize to infrared wave duct brightness i.e.
The regulation of power.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, related staff
Completely various change and modification can be carried out in without departing from the scope of the present invention.The technical scope of this invention is not
The content being confined on specification, it is necessary to its technical scope is determined according to right.
Claims (10)
1. a kind of fumigation treatment instrument control system, it is characterised in that：Including MCU Main Processing Unit, power module, key-press module, temperature
Control module, heater and overheat protector module, the power module provides working power, the button for the control system
The output end of module is connected with the I/O mouths of the MCU Main Processing Unit, the input of the temperature control module and the MCU master controls list
The I/O mouths connection of unit, the heater is used for the heating of liquid, and the overheat protector module includes the first temperature control protection circuit
With the second temperature control protection circuit, the first temperature control protection circuit include the first temperature inductor, reference voltage and comparator, institute
State the temperature that the first temperature inductor measures in real time fumigation treatment instrument inner liquid medicine, first temperature inductor and reference voltage point
It is not connected with two inputs of comparator, the output end of the comparator is connected with the I/O mouths of the MCU Main Processing Unit, described
Second temperature control protection circuit includes second temperature inductor, relay REL1 and control relay circuit, the second temperature sense
Device is answered to measure the temperature of fumigation treatment instrument inner liquid medicine, and the output end of the second temperature inductor and the MCU master controls in real time
The I/O mouths connection of unit, the relay REL1 is connected between temperature control module and heater to be used to be switched on or switched off heating
The power supply of device, the input of the control relay circuit is connected with the I/O mouths of the MCU Main Processing Unit, the relay
The output end of control circuit is connected with the relay REL1.
2. fumigation treatment instrument control system as claimed in claim 1, it is characterised in that：The control relay circuit includes three
Pole pipe Q4, resistance R15 and diode D2, the emitter stage of the triode Q4 meets power supply VCC, and the colelctor electrode of the triode Q4 connects
Diode D2 negative electrodes, output letter after the base stage series resistor R15 of the plus earth GND of the diode D2, the triode Q4
Number CON1, the signal CON1 are connected to the I/O mouths of the MCU Main Processing Unit, and two coil pins of the relay REL1 are simultaneously
The two ends of the diode D2 are associated in, the common of the relay REL1 connects the power input of heater, described
The normally-closed contact of relay REL1 connects the output end of temperature control module, when the first temperature control protection circuit works, the relay
The common of REL1 is connected with normally-closed contact, when the second temperature control protection circuit works, the common of the relay REL1
Disconnect with normally-closed contact and be connected with normally opened contact.
3. fumigation treatment instrument control system as claimed in claim 2, it is characterised in that：The temperature control module includes two-way controllable
Silicon, optocoupler U4, triode Q5, resistance R16, R17, R18, R19 and R20 and electric capacity C10, the input concatenation of the optocoupler U4
Connect power supply VCC after resistance R16, another input is connected with the emitter stage of triode Q5, and the colelctor electrode of the triode Q5 connects
Ground GND, the base stage of the triode Q5 is connected to one end of resistance R17, other end output signal NET- of the resistance R17
P5.5 is connected to the I/O mouths of the MCU Main Processing Unit, with the relay after an output end series resistor R20 of the optocoupler U4
The normally-closed contact connection of device REL1, control pole G of the bidirectional triode thyristor is connected with another output end of the optocoupler U4, described
Resistance R18 is connected in parallel between control pole G of the bidirectional triode thyristor and first anode T1, the second plate T2 and the relay
The normally-closed contact connection of device REL1, the electric capacity C10 connects with resistance R19, and the exit of the electric capacity C10 be connected to it is two-way
Silicon controlled first anode T1, the exit of the resistance R19 is connected with the normally-closed contact of the relay REL1.
4. fumigation treatment instrument control system as claimed in claim 3, it is characterised in that：Also include zero cross signal detection module,
The zero cross signal detection module includes resistance R29, resistance R30 and triode Q6, and the emitter stage of the triode Q6 connects power supply
It is connected with the rectification bridge output end V+ of the power module after the base stage series resistor R29 of VCC, the triode Q6, described three
GND is grounded after the collector series connection resistance R30 of pole pipe Q6, the colelctor electrode is connected to the public exit P3.3 of resistance R30
The I/O mouths of MCU Main Processing Unit.
5. fumigation treatment instrument control system as claimed in claim 4, it is characterised in that：The key-press module includes three buttons
K1, K4 and K5, three resistance R7, R10 and R11, one end of described button K1, K4 and K5 is connected with ground GND, the button K1,
The other end of K4 and K5 is connected to power supply VCC, the button K1 and K4 and institute after connecting with described resistance R7, R10 and R11 respectively
The common port for stating resistance R7 and R10 is connected respectively with two I/O mouths of the MCU Main Processing Unit.
6. fumigation treatment instrument control system as claimed in claim 5, it is characterised in that：Also include alarm module, the warning
Module includes buzzer Beep, triode Q4 and resistance R12, one end ground connection GND of the buzzer Beep, other end connection three
The colelctor electrode of pole pipe Q4, the emitter stage of the triode Q4 meets power supply VCC, after the base stage series resistor R12 of the triode Q4
It is connected with the I/O mouths of the MCU Main Processing Unit.
7. fumigation treatment instrument control system as claimed in claim 6, it is characterised in that：Also include display module, the display
Module is connected with the I/O mouths of the MCU Main Processing Unit.
8. fumigation treatment instrument control system as claimed in claim 7, it is characterised in that：The power module includes being sequentially connected
Transformer, rectifier bridge and direct current stabilizer, the input connection 220V AC powers of the transformer, the direct current stabilizer
Out-put supply VCC.
9. a kind of fumigation treatment instrument control method, it is characterised in that：Including the control system described in claim 8, the heating
Device is heated using infrared wave duct, further comprising the steps of：
First, 220AC power supplys are connected, working time and design temperature, and the countdown of start button K4 is set by key-press module
Work, infrared wave duct begins to warm up, and the working time arrives, and infrared wave duct is closed and stops heating；
In the case of normal heating, the normally-closed contact of relay REL1 closure, the first temperature control protection circuit plays overheat protector, and first
The temperature of the first temperature inductor real-time monitoring liquid of temperature control protection circuit, and temperature value is compared with set temperature value
Compared with when temperature value is less than set temperature value, you can when adjusting resistance TR1 terminal voltages to be less than thermistor RM1 terminal voltages, MCU master
Control unit controls infrared wave duct to be continued to heat, otherwise then stops heating；When fluid temperature reaches set temperature value, infrared wave duct
Rated power into 70% works；Meanwhile, display module Current Temperatures shown above, setting time and working condition；
When different set temperature values are needed, adjustable resistance TR1 is adjusted, change its resistance, different magnitudes of voltage are produced, with heat
Quick resistance RM1 terminal voltages are compared；
When the first temperature control protection circuit or temperature control module surprisingly fail, second temperature inductor monitoring fluid temperature works as medicine
When liquid temp is higher by 10 degree than set temperature value, the I/O messages CON1 output low level of MCU Main Processing Unit makes triode Q4
Conducting, relay REL1 actions, common jumps to normally opened contact by normally-closed contact, cuts off the working power of infrared wave duct, and
MCU Main Processing Unit control alarm module sends alarm sound.
10. fumigation treatment instrument control method as claimed in claim 9, it is characterised in that：When needing to adjust the strong of infrared wave duct
When spending, zero crossing is detected by zero cross signal detection module, specifically, the V+ ends of rectifier, output be cycle 10ms arteries and veins
Direct current is rushed, when pulse current zero crossing, triode Q6 conductings, P3.3 output high level, MCU Main Processing Unit detects high electricity
It is flat, and low level is exported by I/O messages NET-P5.5, triode Q5 is turned on, the input of optocoupler U4 has electric current to pass through, and touches
Luminous coupling U4 is shinny, and now, silicon controlled first anode T1 conductings, by the delay procedure in MCU Main Processing Unit, are controlled controllable
Silicon is Turned on/off time length to realize to the infrared wave duct brightness i.e. regulation of power.
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| CN201710133571.6A CN106647867A (en) | 2017-03-08 | 2017-03-08 | Fumigation therapy instrument control system and control method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272771A (en) * | 2017-06-16 | 2017-10-20 | 深圳市共进电子股份有限公司 | The heater and method of main control chip |
| CN107424580A (en) * | 2017-08-17 | 2017-12-01 | 山东蓝贝易书信息科技有限公司 | A kind of no material consumption luminous energy liquid crystal writing plate part wiping arrangement |
| CN108210155A (en) * | 2017-12-08 | 2018-06-29 | 廖珍妮 | A kind of Portable physiotherapy equipment |
| CN108514343A (en) * | 2018-06-20 | 2018-09-11 | 佛山市艾美皓电子科技有限公司 | Double protection temperature control circuits and air fryer |
| CN109106586A (en) * | 2018-07-09 | 2019-01-01 | 张丽娟 | A kind of channels and collaterals therapeutic instrument control method |
| CN109309491A (en) * | 2018-10-25 | 2019-02-05 | 厦门厦华科技有限公司 | Touch key system based on capacitance plate |
| CN112799448A (en) * | 2021-01-15 | 2021-05-14 | 赣州市正途科技有限公司 | Temperature control circuit based on artificial intelligence |
| CN113096790A (en) * | 2021-03-18 | 2021-07-09 | 深圳市艾溹技术研究有限公司 | Medical electronic atomizer anti-counterfeiting method and device, computer equipment and storage medium |
| CN115421533A (en) * | 2022-10-09 | 2022-12-02 | 奥然生物科技（上海）有限公司 | Electric heating temperature control system with dual protection function |
| CN108514343B (en) * | 2018-06-20 | 2024-07-09 | 佛山市艾美皓电子科技有限公司 | Double-protection temperature control circuit and air fryer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100893553B1 (en) * | 2009-02-02 | 2009-04-17 | 주식회사 보국전자 | A electric heating controller apparatus using temperature sensing resin |
| CN102151348A (en) * | 2010-02-11 | 2011-08-17 | 段光荣 | Drug atomization near-infrared complex treatment bed |
| CN102813679A (en) * | 2012-08-07 | 2012-12-12 | 中国医学科学院药用植物研究所 | Method and equipment for sulphur fumigation of traditional Chinese medicine materials |
| CN205458311U (en) * | 2016-01-11 | 2016-08-17 | 吴光仲 | Novel stifling, foot care vat of heating by photoelectron |
| CN206671919U (en) * | 2017-03-08 | 2017-11-24 | 苏州独创电子科技有限公司 | A kind of fumigation treatment instrument control system |
-
2017
- 2017-03-08 CN CN201710133571.6A patent/CN106647867A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100893553B1 (en) * | 2009-02-02 | 2009-04-17 | 주식회사 보국전자 | A electric heating controller apparatus using temperature sensing resin |
| CN102151348A (en) * | 2010-02-11 | 2011-08-17 | 段光荣 | Drug atomization near-infrared complex treatment bed |
| CN102813679A (en) * | 2012-08-07 | 2012-12-12 | 中国医学科学院药用植物研究所 | Method and equipment for sulphur fumigation of traditional Chinese medicine materials |
| CN205458311U (en) * | 2016-01-11 | 2016-08-17 | 吴光仲 | Novel stifling, foot care vat of heating by photoelectron |
| CN206671919U (en) * | 2017-03-08 | 2017-11-24 | 苏州独创电子科技有限公司 | A kind of fumigation treatment instrument control system |
Non-Patent Citations (3)
| Title |
|---|
| 王平: "《简明电工学》", 30 November 2009 * |
| 网友: "双向可控硅过零触发电路", 《EEPW》 * |
| 网友ZJX_ARM: "51单片机热敏电阻的电路原理图", 《百度知道》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272771A (en) * | 2017-06-16 | 2017-10-20 | 深圳市共进电子股份有限公司 | The heater and method of main control chip |
| CN107424580A (en) * | 2017-08-17 | 2017-12-01 | 山东蓝贝易书信息科技有限公司 | A kind of no material consumption luminous energy liquid crystal writing plate part wiping arrangement |
| CN108210155A (en) * | 2017-12-08 | 2018-06-29 | 廖珍妮 | A kind of Portable physiotherapy equipment |
| CN108514343A (en) * | 2018-06-20 | 2018-09-11 | 佛山市艾美皓电子科技有限公司 | Double protection temperature control circuits and air fryer |
| CN108514343B (en) * | 2018-06-20 | 2024-07-09 | 佛山市艾美皓电子科技有限公司 | Double-protection temperature control circuit and air fryer |
| CN109106586A (en) * | 2018-07-09 | 2019-01-01 | 张丽娟 | A kind of channels and collaterals therapeutic instrument control method |
| CN109309491B (en) * | 2018-10-25 | 2024-05-14 | 厦门厦华科技有限公司 | Touch key system based on capacitive screen |
| CN109309491A (en) * | 2018-10-25 | 2019-02-05 | 厦门厦华科技有限公司 | Touch key system based on capacitance plate |
| CN112799448A (en) * | 2021-01-15 | 2021-05-14 | 赣州市正途科技有限公司 | Temperature control circuit based on artificial intelligence |
| CN112799448B (en) * | 2021-01-15 | 2022-01-25 | 北京京瀚禹电子工程技术有限公司 | Temperature control circuit based on artificial intelligence |
| CN113096790A (en) * | 2021-03-18 | 2021-07-09 | 深圳市艾溹技术研究有限公司 | Medical electronic atomizer anti-counterfeiting method and device, computer equipment and storage medium |
| CN115421533A (en) * | 2022-10-09 | 2022-12-02 | 奥然生物科技（上海）有限公司 | Electric heating temperature control system with dual protection function |
| CN115421533B (en) * | 2022-10-09 | 2024-02-23 | 奥然生物科技（上海）有限公司 | Electric heating temperature control system with double protection functions |
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