CN105865187A - Automatic dehumidifying and drying system for rhizoma gastrodiae - Google Patents
Automatic dehumidifying and drying system for rhizoma gastrodiae Download PDFInfo
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- CN105865187A CN105865187A CN201610265422.0A CN201610265422A CN105865187A CN 105865187 A CN105865187 A CN 105865187A CN 201610265422 A CN201610265422 A CN 201610265422A CN 105865187 A CN105865187 A CN 105865187A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/083—Humidity by using sorbent or hygroscopic materials, e.g. chemical substances, molecular sieves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
Abstract
The invention discloses an automatic dehumidifying and drying system for rhizoma gastrodiae. The automatic dehumidifying and drying system is characterized by being mainly composed of a baking air channel (1), an air inlet air channel (2) arranged above the baking air channel (1), a dehumidifying device (3) arranged at the position of an air inlet of the air inlet air channel (2), and heating devices (5); the dehumidifying device (3) is composed of a control system (34), an exhaust fan (33), a heater (31) and an air filtering net (35), wherein the exhaust fan (33) and the heater (31) are connected with the control system (34); and the control system (34) is composed of a single-chip microcomputer, an AD signal receiving and converting circuit, a low-pass filtering amplifying circuit, a humidity sensor (32) and the like. The humidifying device is arranged and can be used for dehumidifying air flowing out of the baking air channel according to a humidity information collecting result for air of an air outlet of the baking air channel, and the stability and the drying efficiency of the drying temperature of the system are effectively improved.
Description
Technical field
The present invention relates to energy-conserving and environment-protective field, specifically, be a kind of Rhizoma Gastrodiae automatic dehumidifying drying system.
Background technology
The traditional Chinese medical science has long history in China, and it is favored by pain patient both domestic and external by auxiliary therapeutic modality with conditioning by main treatment.Many medical materials that the traditional Chinese medical science uses are required for drying, and " Rhizoma Gastrodiae " is a kind of Chinese crude drug that the traditional Chinese medical science is conventional, and it needs to remove its moisture content in use, does not haves mouldy or rotten when removing " Rhizoma Gastrodiae " long storage time of moisture content simultaneously.
But, the mode that when existing Chinese crude drug is dried, many employings electric oven is roasting, owing to the power consumption of this drying mode is the highest, the drying efficiency of this drying mode is low simultaneously, hence in so that the high expensive of the drying of Chinese crude drug, wastes electric power resource greatly.
Therefore it provides one can improve drying efficiency, can ensure that again the Rhizoma Gastrodiae drying energy conserving system of steady temperature is the task of top priority.
Summary of the invention
Dry temperature when it is an object of the invention to overcome Chinese crude drug of the prior art " Rhizoma Gastrodiae " to dry unstable, and the defect that drying efficiency is low, it is provided that a kind of Rhizoma Gastrodiae automatic dehumidifying drying system.
The present invention is achieved through the following technical solutions: a kind of Rhizoma Gastrodiae automatic dehumidifying drying system, mainly by baking air channel, it is arranged on the wind inlet channel above baking air channel, it is arranged on the dehydrating unit of wind inlet channel air inlet, it is arranged on the air exhauster at wind inlet channel air outlet, it is arranged on the netted stoving rack of the inner bottom surface in roasting air channel, and is arranged on the heater composition in the middle part of wind inlet channel；The air inlet of described wind inlet channel is all connected with baking air channel with air outlet.
Described dehydrating unit is by control system, the air exhauster being all connected with control system and heating element, and is arranged on the airstrainer composition at the air outlet in baking air channel；Described control system is by single-chip microcomputer, the AD signal being all connected with single-chip microcomputer receives change-over circuit, display, buzzer and power supply, the low-pass filtering amplifying circuit that change-over circuit is connected, and the humidity sensor composition being connected with low-pass filtering amplifying circuit is received with AD signal；Described single-chip microcomputer is connected with heating element and air exhauster respectively；Described AD signal receives change-over circuit and is connected with humidity sensor signal receiving circuit by input, the A/D convertor circuit being connected with the outfan of signal receiving circuit with input composition；The outfan of described A/D convertor circuit and low-pass filtering amplifying circuit.
nullDescribed signal receiving circuit is by amplifier P4，Audion VT2，Positive pole is connected with the positive pole of amplifier P4、Negative pole is as the input of signal receiving circuit the polar capacitor C7 that is connected with the OUT pin of conversion chip U，N pole colelctor electrode with audion VT after resistance R19 is connected、The diode D6 that P pole positive pole with amplifier P4 after resistance R17 is connected，Negative pole is connected with diode D6N pole after resistance R18、The polar capacitor C8 that positive pole positive pole with amplifier P4 after resistance R16 is connected，N pole outfan with amplifier P4 after resistance R20 is connected、The diode D7 that P pole negative pole with amplifier P4 after inductance L2 is connected，And positive pole is sequentially connected through resistance R23 N pole with diode D7 after resistance R22、The polar capacitor C9 composition that negative pole is connected with the negative pole of amplifier P4；The N pole of described diode D6 and the emitter stage of audion VT are collectively forming the outfan of signal receiving circuit；The outfan of described amplifier P4 is connected with the base stage of audion VT, the minus earth of this amplifier P4.
nullDescribed A/D convertor circuit is by conversion chip U，Audion VT3，Audion VT4，One end is connected with the emitter stage of audion VT2、The resistance R21 that the other end is connected with the VIN pin of conversion chip U，Positive pole is connected with the VCC pin of conversion chip U、The polar capacitor C10 that negative pole is connected with the OUT pin of conversion chip U after resistance R24，Positive pole is connected with the OUT pin of conversion chip U、The polar capacitor C11 that negative pole is connected with the WR pin of conversion chip U after resistance R25，P pole WR pin with conversion chip U after resistance R26 is connected、The diode D8 that N pole is connected with the CLK pin of conversion chip U after resistance R27，Positive pole N pole with diode D8 after resistance R28 is connected、The polar capacitor C12 that negative pole emitter stage with audion VT4 after resistance R29 is connected，N pole is connected with the colelctor electrode of audion VT4、The diode D10 that P pole base stage with audion VT3 after resistance R30 is connected，One end is connected with the emitter stage of audion VT3、The adjustable resistance R31 that the other end is connected with the emitter stage of audion VT4，Negative pole is connected with the colelctor electrode of audion VT4、The polar capacitor C13 that positive pole colelctor electrode with audion VT3 after resistance R32 is connected，P pole is connected with the OUT pin of conversion chip U、The diode D9 that N pole colelctor electrode with audion VT3 after resistance R33 is connected，And one end is connected with the base stage of audion VT4、The resistance R34 composition that the other end is connected with the colelctor electrode of audion VT4；The VCC pin of described conversion chip U is connected with the N pole of diode D6, its RD pin is connected with the negative pole of polar capacitor C10, its WR pin is connected with the base stage of audion VT3, its REF pin is connected with the P pole of diode D8, its GND pin ground connection, its OUT pin is as the outfan of A/D convertor circuit；The base stage of described audion VT4 is connected with the N pole of diode D9；The minus earth of described polar capacitor C12.
The signal filter circuit that described low-pass filtering amplifying circuit is connected with the outfan of A/D convertor circuit by input, the double rank amplifying circuit composition being connected with the outfan of signal filter circuit with input；The outfan of described pair of rank amplifying circuit is connected with single-chip microcomputer.
Described signal filter circuit is by amplifier P1, audion VT1, positive pole positive pole with amplifier P1 after resistance R1 is connected, negative pole is as the polar capacitor C1 of the input of signal filter circuit, P pole is connected with the positive pole of amplifier P1, the diode D1 that N pole outfan with amplifier P1 after resistance R6 is connected, positive pole negative pole with amplifier P1 after resistance R2 is connected, the polar capacitor C2 that negative pole base stage with audion VT1 after resistance R4 is connected, and P pole positive pole with polar capacitor C2 after resistance R3 is connected, the diode D2 composition that N pole is connected through the outfan of resistance R5 amplifier P1；The outfan of the grounded collector of described audion VT1, its emitter stage and amplifier P1 is collectively forming the outfan of signal filter circuit.
nullDescribed pair of rank amplifying circuit is by amplifier P2，Amplifier P3，P pole outfan with amplifier P1 after resistance R8 is connected、The diode D3 that N pole is connected with the positive pole of amplifier P2，Positive pole negative pole with amplifier P2 after resistance R10 is connected、The polar capacitor C3 of minus earth，Negative pole is connected with the outfan of amplifier P2、The polar capacitor C4 that positive pole positive pole with amplifier P2 after resistance R15 is connected，One end is connected with the positive pole of amplifier P2、The inductance L1 that the other end is connected with the outfan of amplifier P2，N pole is connected with the positive pole of amplifier P3、The diode D4 that P pole emitter stage with audion VT1 after resistance R7 is connected，Negative pole outfan with amplifier P3 after resistance R13 is connected、The polar capacitor C5 that positive pole is connected with the P pole of diode D4，One end is connected with the outfan of amplifier P2、The resistance R14 that the other end is connected with the positive pole of polar capacitor C5，Positive pole is connected with the negative pole of amplifier P3、The polar capacitor C6 that negative pole is sequentially connected through resistance R11 outfan with amplifier P3 after resistance R12，And P pole is connected with the negative pole of polar capacitor C6、The diode D5 composition that N pole is connected with the P pole of diode D4 after resistance R9；The minus earth of described polar capacitor C6；The outfan of described amplifier P3 is as double rank amplification circuit output end.
In order to preferably implement the present invention, described conversion chip U the most preferentially uses the integrated chip of AD0804LCN to realize.
In order to ensure the effect on moisture extraction of the present invention, described air filtration is provided with water suction ball on the net, and the quantity of this water suction ball is at least 2 rows, and meanwhile, it is online that this water suction ball is evenly distributed in air filtration.
Further, described heater is heat pump, and the unit of this heat pump is positioned at the outside of wind inlet channel, and its condensing tube is then arranged on the inside of wind inlet channel；Described condensing tube is in the inside undulate of wind inlet channel or helix shape.
For guaranteeing using effect, described heat pump is air heat pump, water resource heat pump and earth source heat pump.
For guaranteeing that the Rhizoma Gastrodiae of baking can be heated uniformly, improving the drying efficiency of Rhizoma Gastrodiae, therefore the inside in the baking air channel of the present invention is also provided with the circular port that mesh is a diameter of 1.5～2cm simultaneously.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention uses heat pump instead of traditional electric heater unit, the energy consumption of electricity consumption can not only be reduced greatly, its power consumption is made to be only the 1/4 of tradition drying unit, simultaneously, the present invention is also provided with dehydrating unit, this dehydrating unit can be by dehumidifying to the air flowed out in baking air channel to the result of the collection of the humidity information of the air of the air outlet in baking air channel, to guarantee to flow to the aridity of the air of wind inlet channel, thus effectively raise the stability of drying temperature of native system, drying efficiency.
(2) garbage signal in the signal of telecommunication of humidity sensor output can be eliminated or decay by the signal receiving circuit during the AD signal of the present invention receives change-over circuit, make the signal of telecommunication after process smoother, simultaneously, the smooth signal of telecommunication can be converted to data signal by the A/D convertor circuit that this AD signal receives in change-over circuit, effectively raises the signal accuracy of humidity sensor output.
(3) AD signal can be received and disturb signal effectively to suppress in the data signal that change-over circuit exports by the signal filter circuit in the low-pass filtering amplifying circuit of the present invention, simultaneously, double rank amplifying circuit of this low-pass filtering amplifying circuit can carry out twice signal enhancement process to filtered data signal, the effective flatness improving data signal, and export after the data signal after signal enhancement process being amplified simultaneously, ensure that single-chip microcomputer receives stable air humidity information, so that it is guaranteed that the stability of the drying temperature of the present invention.
(4) overall structure of the present invention is simple, easy to operate.Meanwhile, the netted baking rack of the present invention can make hot blast be dried Rhizoma Gastrodiae uniformly by mesh, ensures that the dries quantity of Rhizoma Gastrodiae, and effectively raises the baking efficiency of the present invention.
(5) circular port that mesh is a diameter of 1.5～2cm of the netted baking rack of the present invention, this mesh can allow hot blast by forming convection current during to the drying of Rhizoma Gastrodiae, effectively raise the drying efficiency of the present invention.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the plan structure schematic diagram of the netted baking rack of the circular mesh of the present invention.
Fig. 3 is the structured flowchart of the control system of the dehydrating unit of the present invention.
Fig. 4 is the electrical block diagram of the low-pass filtering amplifying circuit of the present invention.
Fig. 5 is the electrical block diagram of the AD signal reception change-over circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, 2, the present invention includes temperature compensation means, toasts air channel 1, wind inlet channel 2, dehydrating unit 3, air exhauster 4, heater 5, and netted stoving rack 6 and forms.Wherein, baking air channel 1 is to be assembled by cement and brick to form, its inner bottom surface is provided with the track moved for netted stoving rack 6, the mesh of this netted stoving rack 6 is the circular mesh of 1.5～2cm, hot blast in baking air channel 1 becomes convection current by the mesh shape of netted stoving rack 6, thus effectively raises the drying efficiency of the present invention.Wind inlet channel 2 is positioned at the top in baking air channel 1, and it is formed by the dividing plate isolation being positioned at baking top, air channel 1, it is also possible to constitute with single metal, cement or timber etc..Described dehydrating unit 3 is then arranged on the air outlet in baking air channel 1 and the air inlet connection of wind inlet channel 2, and the air after what baking air channel 1 was flowed out heats " Rhizoma Gastrodiae " and with humidity flows to wind inlet channel 2 after the ventilation shaft of dehydrating unit 3.
The dehydrating unit of the present invention is then as it is shown in figure 1, it is made up of control system 34, heating element 31, airstrainer 35 and air exhauster 33.Wherein, described control system 34 is as it is shown on figure 3, it is made up of single-chip microcomputer, low-pass filtering amplifying circuit, display, buzzer and the power supply being all connected with single-chip microcomputer, and the humidity sensor 32 being connected with low-pass filtering amplifying circuit.Described single-chip microcomputer is the most also connected with heating element 31 and air exhauster 33.In order to preferably implement the present invention, described single-chip microcomputer the most preferentially have employed FM8PE59A single-chip microcomputer and realizes, the ROUT1 pin of this FM8PE59A single-chip microcomputer is connected with heating element 31, ROUT2 pin is connected with aerator 33, CKI pin is connected with display, ROUT3 pin is connected with buzzer, and VSS pin is connected with power supply.Described power supply is 12V DC voltage, and this 12V DC voltage is that single-chip microcomputer is powered.
During enforcement, the present invention is provided with for air is carried out filtered air drainage screen 35 in the air inlet of the ventilation shaft of dehydrating unit 3, the parallel water suction ball being distributed more than six made of sponge in this airstrainer 35, this water suction ball can effectively absorb the hydrone in the air that baking air channel 1 is flowed out, therefore the air that baking air channel 1 can be flowed out by this airstrainer 35 effectively filters, and makes the hydrone content flowing to the air of the ventilation shaft of dehydrating unit 3 be effectively reduced.It is then arranged on the inwall of ventilation shaft of dehydrating unit 3 for the humidity sensor 32 of air humidity detecting the air outlet in baking air channel 1, the present invention the most preferentially have employed WLH-1S-200 humidity sensor and realizes, the humidity information of the air of the air inlet of the wind inlet channel 2 detected is converted to the signal of telecommunication and receives output after change-over circuit processes through AD signal by this humidity sensor 32, this AD signal receives garbage signal in the signal of telecommunication that humidity sensor is exported by the signal receiving circuit in change-over circuit and eliminates or decay, make the signal of telecommunication after process smoother, simultaneously, A/D convertor circuit in this AD signal reception change-over circuit can be transferred to low-pass filtering amplifying circuit and export after the smooth signal of telecommunication is converted to data signal.AD signal can be received and disturb signal effectively to suppress in the data signal that change-over circuit exports by the signal filter circuit in this low-pass filtering amplifying circuit, simultaneously, double rank amplifying circuit of this low-pass filtering amplifying circuit can carry out twice signal enhancement process to filtered data signal, the effective flatness improving data signal, and it is transferred to single-chip microcomputer after the data signal after signal enhancement process being amplified simultaneously.This single-chip microcomputer is by obtaining toasting the hydrone content of the air of the air outlet outflow in air channel 1 after being analyzed the data signal received, and stores the hydrone content value in dry air in its single-chip microcomputer.Its for air is only heating heating element 31 be arranged on the air outlet of ventilation shaft of dehydrating unit 3, this heating element 31 present invention the most preferentially have employed the heating element of the fever tablet composition of parallel distribution, this heating element 31 dehumidifying after air then by be arranged on the air exhauster 33 above the airstrainer 35 of the ventilation shaft air inlet of dehydrating unit 3 accelerate flowing, making the air after the dehumidifying of heating element 31 can uniformly enter in wind inlet channel 2, when its heating element 31 does not heats, air exhauster 33 still works.
Wherein, when the humidity of the air that humidity sensor 32 collects the outflow of baking air channel 1 is more than the humidity value of the air being dried, and single-chip microcomputer receives after this information then output and controls electric current to heating element 31, now, single-chip microcomputer exports control electric current to buzzer simultaneously, buzzer sends heating element 31 and starts the signal of dehumidifying, simultaneously heating element 31 electric after then begin to warm up air dehumidified, make the humidity value of the air in entrance wind inlet channel 2 reach the requirement of humidity value of dry air.Wherein, humidity sensor 32 collect the humidity of the air that baking air channel 1 is flowed out identical with the humidity value of air being dried time, and single-chip microcomputer receive this information after then stop as heating element 31 output control electric current, now, only air exhauster 33 works, in order to accelerate the circulation of air.Thus effectively ensure that Rhizoma Gastrodiae can be dried at a temperature of normal drying, effectively raise the quality of Rhizoma Gastrodiae after drying, effectively raise the drying efficiency of the present invention simultaneously.
Simultaneously, in order to operator can be better understood by toasting the drying information in air channel 1, the present invention is provided with display in control system 34, this display is for showing that humidity sensor 32 is collected the humidity information of the air of the outflow in baking air channel 1 and the humidity value of the actual air dried, this display.I.e. operator can understand the drying situation being oven-dried product by the information shown by display, when the air humidity shown by display is more than the humidity value of normal dry air, then illustrates that being oven-dried product does not also dry.The humidity value shown at display less than or with the humidity value phase of normal dry air simultaneously, then illustrate that the product being oven-dried has been oven-dried.So make operator just can be better understood by toasting the drying situation in air channel 1.
For preferably implementing the present invention, described wind inlet channel 2 is provided with an air inlet and an air outlet, and this air inlet is all connected with baking air channel 1 with air outlet.Carry out Rhizoma Gastrodiae baking for guaranteeing to be transported to high temperature air in wind inlet channel 2 toast inside air channel 1, at the air outlet of wind inlet channel 2, be therefore provided with air exhauster 4.Heat to described wind inlet channel 2 be sucked the fresh air of outside so that it is forming the high temperature air being dried, therefore the present invention Promethean employing heat pump is used as heater 5, to replace traditional Electric heating.
In order to ensure the heats to dry cold air, the heat pump of the present invention needs to carry out part-structure change, the most as shown in Figure 1, unit 51 and the condensing tube 52 of traditional heat pump are separated by its needs, making its unit 51 part be positioned at the outside of wind inlet channel 2, its condensing tube 52 is then positioned at the inside of wind inlet channel 2.After being arranged such, the coolant within unit 51 absorbs from outside air and forms high-temperature gas after heat energy, after compressor compresses, form high temperature and high pressure gas, and this high temperature and high pressure gas be delivered to be positioned at inside the condensing tube 52 wind inlet channel 2 within.From the air of air inlet entrance after dehydrating unit 3 dehumidifies, sufficiently contact with condensing tube 52 again, dry cold air can sufficiently be heated by the high temperature that condensing tube is discharged, so that the high temperature dry air within wind inlet channel 2 can enter into wind inlet channel 2 from air outlet, to toast Rhizoma Gastrodiae.
In order to ensure the condensing tube 52 heats to dry cold air, this condensing tube 52 needs in the inside undulate of wind inlet channel 2 or helix shape.According to circumstances, this condensing tube 52 needs to be evenly distributed in the inside of wind inlet channel 2, i.e. condensing tube 52 undulate or spiral plane and needs the central axis upright with wind inlet channel 2.This condensing tube 52 can determine according to practical situation in the arrangement number of plies within wind inlet channel 2, is preferentially made as more than 3 rows.Meanwhile, the present invention, in order to ensure the circulation of the air in wind inlet channel 2, is the most also provided with the air exhauster for accelerating air circulation in wind inlet channel 2.The present invention is by being arranged on the air exhauster 4 of the air outlet of wind inlet channel 2 and being arranged on the air outlet in baking air channel 1 and the work of the air exhauster 33 of the junction of the air inlet of wind inlet channel 2, it is achieved that the baking air channel 1 of the present invention and the circulation of the air in wind inlet channel 2.Thus effectively raise the drying efficiency of the present invention, the most effective resource saved.
The heat pump of the present invention preferentially uses air source heat pump to realize, and can effectively save electric power resource.According to practical situation, it would however also be possible to employ water resource heat pump or earth source heat pump realize.
As shown in Figure 4, described low-pass filtering amplifying circuit signal filter circuit and double rank amplifying circuit；Described signal filter circuit is made up of amplifier P1, audion VT1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, polar capacitor C1, polar capacitor C2, diode D1, and diode D2.
During connection, the positive pole of polar capacitor C1 positive pole with amplifier P1 after resistance R1 is connected, negative pole as the input of signal filter circuit and is connected with the OUT pin of conversion chip U.The P pole of diode D1 is connected with the positive pole of amplifier P1, N pole outfan with amplifier P1 after resistance R6 is connected.The positive pole of polar capacitor C2 negative pole with amplifier P1 after resistance R2 is connected, negative pole base stage with audion VT1 after resistance R4 is connected.
Wherein, the P pole of diode D2 positive pole with polar capacitor C2 after resistance R3 is connected, N pole is connected through the outfan of resistance R5 amplifier P1.The grounded collector of described audion VT1, its emitter stage is collectively forming the outfan of signal filter circuit and is connected with double rank amplifying circuit with the outfan of amplifier P1.
Further, described pair of rank amplifying circuit is by amplifier P2, amplifier P3, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, polar capacitor C3, polar capacitor C4, polar capacitor C5, polar capacitor C6, diode D3, diode D4, diode D5, and inductance L1 form.
During connection, the P pole of diode D3 outfan with amplifier P1 after resistance R8 is connected, N pole is connected with the positive pole of amplifier P2.The positive pole of polar capacitor C3 negative pole with amplifier P2 after resistance R10 is connected, minus earth.The negative pole of polar capacitor C4 is connected with the outfan of amplifier P2, positive pole positive pole with amplifier P2 after resistance R15 is connected.One end of inductance L1 is connected with the positive pole of amplifier P2, the other end is connected with the outfan of amplifier P2.
Wherein, the N pole of diode D4 is connected with the positive pole of amplifier P3, P pole emitter stage with audion VT1 after resistance R7 is connected.The negative pole of polar capacitor C5 outfan with amplifier P3 after resistance R13 is connected, positive pole is connected with the P pole of diode D4.One end of resistance R14 is connected with the outfan of amplifier P2, the other end is connected with the positive pole of polar capacitor C5.
Meanwhile, the positive pole of polar capacitor C6 be connected with the negative pole of amplifier P3, negative pole sequentially after resistance R11 and resistance R12 outfan with amplifier P3 be connected.The P pole of diode D5 is connected with the negative pole of polar capacitor C6, P pole with diode D4 after resistance R9, N pole is connected.The minus earth of described polar capacitor C6；The outfan of described amplifier P3 is connected as double rank amplification circuit output end and with the INT pin of FM8PE59A single-chip microcomputer.
During operation, AD signal can be received and disturb signal effectively to suppress in the data signal that change-over circuit exports by the signal filter circuit in low-pass filtering amplifying circuit, simultaneously, double rank amplifying circuit of this low-pass filtering amplifying circuit can carry out twice signal enhancement process to filtered data signal, the effective flatness improving data signal, and export after the data signal after signal enhancement process being amplified simultaneously, ensure that single-chip microcomputer receives stable air humidity information, so that it is guaranteed that the stability of the drying temperature of the present invention.
It is made up of as it is shown in figure 5, described AD signal receives change-over circuit signal receiving circuit and A/D convertor circuit；Described signal receiving circuit is made up of amplifier P4, audion VT2, inductance L2, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R22, resistance R23, polar capacitor C7, polar capacitor C8, polar capacitor C9, diode D6, and diode D7.
During connection, the positive pole of polar capacitor C7 is connected with the positive pole of amplifier P4, negative pole as the input of signal receiving circuit and is connected with humidity sensor.The N pole of diode D6 colelctor electrode with audion VT after resistance R19 is connected, P pole positive pole with amplifier P4 after resistance R17 is connected.The negative pole of polar capacitor C8 is connected with diode D6N pole after resistance R18, positive pole positive pole with amplifier P4 after resistance R16 is connected.The N pole of diode D7 outfan with amplifier P4 after resistance R20 is connected, P pole negative pole with amplifier P4 after inductance L2 is connected.The positive pole of polar capacitor C9 is sequentially connected through resistance R23 N pole with diode D7 after resistance R22, negative pole is connected with the negative pole of amplifier P4.
The N pole of described diode D6 is collectively forming the outfan of signal receiving circuit with the emitter stage of audion VT and is connected with A/D convertor circuit；The outfan of described amplifier P4 is connected with the base stage of audion VT, the minus earth of this amplifier P4.
Further, described A/D convertor circuit is by conversion chip U, audion VT3, audion VT4, resistance R21, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, adjustable resistance R31, resistance R32, resistance R33, resistance R34, polar capacitor C10, polar capacitor C11, polar capacitor C12, polar capacitor C13, diode D8, diode D9, and diode D10 form.
During connection, one end of resistance R21 is connected with the emitter stage of audion VT2, the other end is connected with the VIN pin of conversion chip U.The positive pole of polar capacitor C10 is connected with the VCC pin of conversion chip U, negative pole OUT pin with conversion chip U after resistance R24 is connected.The positive pole of polar capacitor C11 is connected with the OUT pin of conversion chip U, negative pole WR pin with conversion chip U after resistance R25 is connected.
Wherein, the P pole of diode D8 WR pin with conversion chip U after resistance R26 is connected, N pole CLK pin with conversion chip U after resistance R27 is connected.The positive pole of polar capacitor C12 N pole with diode D8 after resistance R28 is connected, negative pole emitter stage with audion VT4 after resistance R29 is connected.The N pole of diode D10 is connected with the colelctor electrode of audion VT4, P pole base stage with audion VT3 after resistance R30 is connected.One end of adjustable resistance R31 is connected with the emitter stage of audion VT3, the other end is connected with the emitter stage of audion VT4.
Meanwhile, the negative pole of polar capacitor C13 is connected with the colelctor electrode of audion VT4, positive pole colelctor electrode with audion VT3 after resistance R32 is connected.The P pole of diode D9 is connected with the OUT pin of conversion chip U, N pole colelctor electrode with audion VT3 after resistance R33 is connected.One end of resistance R34 is connected with the base stage of audion VT4, the other end is connected with the colelctor electrode of audion VT4.
The VCC pin of described conversion chip U is connected with the N pole of diode D6, its RD pin is connected with the negative pole of polar capacitor C10, its WR pin is connected with the base stage of audion VT3, its REF pin is connected with the P pole of diode D8, its GND pin ground connection, its OUT pin as the outfan of A/D convertor circuit and is connected with signal receiving circuit；The base stage of described audion VT4 is connected with the N pole of diode D9；The minus earth of described polar capacitor C12.
During operation, AD signal receives garbage signal in the signal of telecommunication that humidity sensor is exported by the signal receiving circuit in change-over circuit and eliminates or decay, make the signal of telecommunication after process smoother, simultaneously, the smooth signal of telecommunication can be converted to data signal by the A/D convertor circuit that this AD signal receives in change-over circuit, effectively raises the accuracy of the signal of humidity sensor output.For preferably implementing the present invention, the integrated chip of AD0804LCN that described conversion chip U the most preferentially uses stable performance realizes.
According to above-described embodiment, can well realize the present invention.
Claims (10)
1. a Rhizoma Gastrodiae automatic dehumidifying drying system, it is characterised in that mainly by baking air channel (1),
It is arranged on the wind inlet channel (2) of baking air channel (1) top, is arranged on wind inlet channel (2) air inlet
Dehydrating unit (3), is arranged on the air exhauster (4) at wind inlet channel (2) air outlet, is arranged on baking air channel
(1) the netted stoving rack (6) of inner bottom surface, and be arranged on wind inlet channel (2) middle part add hot charging
Put (5) composition；The air inlet of described wind inlet channel (2) is all connected with baking air channel (1) with air outlet；
Described dehydrating unit (3) is by control system (34), the air exhauster (33) being all connected with control system (34)
With heating element (31), and be arranged on baking air channel (1) air outlet at airstrainer (35) group
Become；Described control system (34) is by single-chip microcomputer, and the AD signal being all connected with single-chip microcomputer receives conversion electricity
Road, display, buzzer and power supply, receive the low-pass filtering amplification that change-over circuit is connected with AD signal
Circuit, and humidity sensor (32) composition being connected with low-pass filtering amplifying circuit；Described single-chip microcomputer
It is connected with heating element (31) and air exhauster (33) respectively；Described AD signal receives change-over circuit by defeated
Enter end to be connected with humidity sensor (32) signal receiving circuit, and input and signal receiving circuit is defeated
Go out the A/D convertor circuit composition that end is connected；The outfan of described A/D convertor circuit amplifies electricity with low-pass filtering
Road.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 1, its feature exists
In, described signal receiving circuit by amplifier P4, audion VT2, the positive pole phase of positive pole and amplifier P4
Connect, negative pole is as the input of signal receiving circuit the pole that is connected with the OUT pin of conversion chip U
Property electric capacity C7, N pole colelctor electrode with audion VT after resistance R19 is connected, P pole is through resistance R17
The diode D6 that positive pole with amplifier P4 is connected afterwards, negative pole after resistance R18 with diode D6N pole
Be connected, polar capacitor C8, N pole warp that positive pole positive pole with amplifier P4 after resistance R16 is connected
After resistance R20 the outfan with amplifier P4 be connected, P pole after inductance L2 with the negative pole of amplifier P4
The diode D7 being connected, and positive pole sequentially after resistance R23 and resistance R22 with the N of diode D7
The polar capacitor C9 composition that pole is connected, negative pole is connected with the negative pole of amplifier P4；Described diode D6
The emitter stage of N pole and audion VT be collectively forming the outfan of signal receiving circuit；Described amplifier P4
Outfan be connected with the base stage of audion VT, the minus earth of this amplifier P4.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 2, its feature exists
In, described A/D convertor circuit is by conversion chip U, audion VT3, audion VT4, one end and three poles
The resistance R21 that the emitter stage of pipe VT2 is connected, the other end is connected with the VIN pin of conversion chip U,
Positive pole is connected with the VCC pin of conversion chip U, negative pole after resistance R24 with the OUT of conversion chip U
The polar capacitor C10 that pin is connected, positive pole is connected with the OUT pin of conversion chip U, negative pole is through electricity
Polar capacitor C11, the P pole being connected with the WR pin of conversion chip U after resistance R25 is after resistance R26
Be connected with the WR pin of conversion chip U, N pole is managed with the CLK of conversion chip U after resistance R27
The diode D8 that foot is connected, positive pole N pole with diode D8 after resistance R28 is connected, negative pole warp
Polar capacitor C12, the N pole that after resistance R29, emitter stage with audion VT4 is connected and audion VT4
The diode D10 that colelctor electrode is connected, P pole base stage with audion VT3 after resistance R30 is connected,
One end is connected with the emitter stage of audion VT3, the other end is connected with the emitter stage of audion VT4 can
Adjust resistance R31, negative pole is connected with the colelctor electrode of audion VT4, positive pole after resistance R32 with audion
Polar capacitor C13, the P pole that the colelctor electrode of VT3 is connected is connected with the OUT pin of conversion chip U,
The diode D9 that N pole colelctor electrode with audion VT3 after resistance R33 is connected, and one end and three
The resistance R34 composition that the base stage of pole pipe VT4 is connected, the other end is connected with the colelctor electrode of audion VT4；
The VCC pin of described conversion chip U is connected with the N pole of diode D6, its RD pin and polarity electricity
The negative pole holding C10 is connected, and its WR pin is connected with the base stage of audion VT3, its REF pin
Being connected with the P pole of diode D8, its GND pin ground connection, its OUT pin is as AD conversion electricity
The outfan on road；The base stage of described audion VT4 is connected with the N pole of diode D9；Described polarity electricity
Hold the minus earth of C12.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 3, its feature exists
In, the signal filter that described low-pass filtering amplifying circuit is connected with the outfan of A/D convertor circuit by input
Wave circuit, the double rank amplifying circuit composition being connected with the outfan of signal filter circuit with input；Described
The outfan of double rank amplifying circuit is connected with single-chip microcomputer；Described signal filter circuit is by amplifier P1, three poles
Pipe VT1, positive pole positive pole with amplifier P1 after resistance R1 is connected, negative pole is as signal filter circuit
Polar capacitor C1, the P pole of input be connected with the positive pole of amplifier P1, N pole after resistance R6 with
The diode D1 that the outfan of amplifier P1 is connected, positive pole after resistance R2 with the negative pole of amplifier P1
Be connected, polar capacitor C2 that negative pole base stage with audion VT1 after resistance R4 is connected, and P
Pole positive pole with polar capacitor C2 after resistance R3 is connected, N pole is through the output of resistance R5 amplifier P1
The diode D2 composition that end is connected；The grounded collector of described audion VT1, its emitter stage and amplification
The outfan of device P1 is collectively forming the outfan of signal filter circuit.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 4, its feature exists
In, described pair of rank amplifying circuit by amplifier P2, amplifier P3, P pole after resistance R8 with amplifier P1
The diode D3 that outfan is connected, N pole is connected with the positive pole of amplifier P2, positive pole is through resistance R10
Afterwards the negative pole with amplifier P2 be connected, the polar capacitor C3 of minus earth, negative pole is defeated with amplifier P2's
Go out the polar capacitor C4 that end is connected, positive pole positive pole with amplifier P2 after resistance R15 is connected, one
The inductance L1 that end is connected with the positive pole of amplifier P2, the other end is connected with the outfan of amplifier P2,
N pole is connected with the positive pole of amplifier P3, P pole emitter stage with audion VT1 after resistance R7 is connected
The diode D4 connect, negative pole outfan with amplifier P3 after resistance R13 is connected, positive pole and two poles
The polar capacitor C5 that the P pole of pipe D4 is connected, one end is connected with the outfan of amplifier P2, the other end
The resistance R14 being connected with the positive pole of polar capacitor C5, positive pole is connected with the negative pole of amplifier P3, bears
The polar capacitor C6 that pole is sequentially connected through resistance R11 outfan with amplifier P3 after resistance R12,
And P pole is connected with the negative pole of polar capacitor C6, N pole after resistance R9 with the P pole of diode D4
The diode D5 composition being connected；The minus earth of described polar capacitor C6；Described amplifier P3's is defeated
Go out end as double rank amplification circuit output end.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 5, its feature exists
In, described conversion chip U is the integrated chip of AD0804LCN.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 6, its feature exists
In, described airstrainer (35) is provided with water suction ball, and the quantity of this water suction ball is at least 2 rows,
Meanwhile, this water suction ball is evenly distributed on airstrainer (35).
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 7, its feature exists
In, described heater (5) is heat pump, and the unit (51) of this heat pump is positioned at wind inlet channel (2)
Outside, its condensing tube (52) is then arranged on the inside of wind inlet channel (2)；Described condensing tube (52) exists
The inside undulate of wind inlet channel (2) or helix shape.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 8, its feature exists
In, described heat pump is air heat pump, water resource heat pump or earth source heat pump.
A kind of Rhizoma Gastrodiae automatic dehumidifying drying system the most according to claim 9, its feature exists
In, the circular port that mesh is a diameter of 1.5～2cm of described netted stoving rack (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265422.0A CN105865187A (en) | 2016-04-26 | 2016-04-26 | Automatic dehumidifying and drying system for rhizoma gastrodiae |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610265422.0A CN105865187A (en) | 2016-04-26 | 2016-04-26 | Automatic dehumidifying and drying system for rhizoma gastrodiae |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201787792U (en) * | 2010-08-25 | 2011-04-06 | 姜光辉 | Medicinal material baking device |
| KR101178572B1 (en) * | 2012-01-30 | 2012-08-30 | (주) 대성이앤비 | Apparatus for drying and reducing food waste and method to control the same |
| CN104197685A (en) * | 2014-09-15 | 2014-12-10 | 凌云 | Single-chip microcomputer based auto-control drying device |
| CN204854287U (en) * | 2015-07-13 | 2015-12-09 | 四川蓉幸实业有限公司 | Mosquito -repellent incense baking system |
| CN105404334A (en) * | 2015-11-30 | 2016-03-16 | 成都聚汇才科技有限公司 | Dryer temperature control system based on high-pass filter and amplification circuit |
-
2016
- 2016-04-26 CN CN201610265422.0A patent/CN105865187A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201787792U (en) * | 2010-08-25 | 2011-04-06 | 姜光辉 | Medicinal material baking device |
| KR101178572B1 (en) * | 2012-01-30 | 2012-08-30 | (주) 대성이앤비 | Apparatus for drying and reducing food waste and method to control the same |
| CN104197685A (en) * | 2014-09-15 | 2014-12-10 | 凌云 | Single-chip microcomputer based auto-control drying device |
| CN204854287U (en) * | 2015-07-13 | 2015-12-09 | 四川蓉幸实业有限公司 | Mosquito -repellent incense baking system |
| CN105404334A (en) * | 2015-11-30 | 2016-03-16 | 成都聚汇才科技有限公司 | Dryer temperature control system based on high-pass filter and amplification circuit |
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Application publication date: 20160817 |