CN105353799A - Intelligent paint dryer temperature-control system based on A/D converting circuit - Google Patents
Intelligent paint dryer temperature-control system based on A/D converting circuit Download PDFInfo
- Publication number
- CN105353799A CN105353799A CN201510898120.2A CN201510898120A CN105353799A CN 105353799 A CN105353799 A CN 105353799A CN 201510898120 A CN201510898120 A CN 201510898120A CN 105353799 A CN105353799 A CN 105353799A
- Authority
- CN
- China
- Prior art keywords
- pole
- resistance
- triode
- diode
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses an intelligent paint dryer temperature-control system based on an A/D converting circuit, and the system mainly comprises a central processor, and a display, a power supply, a temperature sensor, a temperature controller and a data memory that are all connected with the central processor, and a heater connected with the temperature controller. The system is characterized in that an A/D converting circuit is in series connection between the temperature sensor and the central processor; a rectification filtering voltage stabilizing circuit is in series connection between the power supply and the central processor; a current driving circuit is in series connection between the temperature controller and the heater; and the A/D converting circuit comprises an amplification contrast circuit and an integration operation circuit. The temperature intelligent control system has the advantages of raising the temperature-sensitive accuracy and temperature stability of a high-molecular leather paint dryer; preventing high-molecular footwear leather surfaces from deformation and preventing the paint of the footwear leather surfaces from falling off; saving workmanship time greatly; and reducing cost.
Description
Technical field
The present invention relates to electromechanical equipment technical field, specifically refer to a kind of intelligent dryer Temperature Intelligent Control System that sprays paint based on A/D change-over circuit.
Background technology
Along with high molecular leather is widely used in leather and fur products industry, while people are more and more higher to the quality requirements of leather and fur products, also the quality of high molecular leather is had higher requirement.But will produce high-quality high molecular leather, key is that macromolecule shoe material leather sprays paint this link of post-drying.
But the spray paint temperature control system of dryer of traditional high molecular leather is comparatively simple, adopts the power-off temperature controlled device arranging a Bimetallic shrapnel structure on heating element as temperature control system more.The Bimetallic shrapnel of this power-off temperature controlled device is due under being in high temperature for a long time, yielding, and there is the inaccurate situation of temperature-sensitive, thus cause high molecular leather to spray paint the bake out temperature extremely unstable of dryer, macromolecule shoe material leather surface is out of shape or falls the defect of paint.Therefore, solve high molecular leather and to spray paint this problem of temperature control system poor stability of dryer, just become and produce high-quality macromolecule shoe material leather urgent problem.
Summary of the invention
The object of the invention is to overcome high molecular leather in prior art to spray paint the defect of temperature control system poor stability of dryer, a kind of intelligent dryer Temperature Intelligent Control System that sprays paint based on A/D change-over circuit is provided.
The present invention is achieved through the following technical solutions: based on the intelligent dryer temperature control system of spraying paint of A/D change-over circuit, main central processor, the display be all connected with central processing unit, power supply, temperature sensor, temperature controller, data-carrier store, the heating element be connected with temperature controller, be serially connected in the rectification filtering voltage stabilizing circuit between power supply and central processing unit, be serially connected in the current driving circuit between temperature controller heating element, and the A/D change-over circuit being serially connected in temperature sensor and central processing unit positive pole forms.
Described A/D change-over circuit, by the amplification contrast circuit be connected with temperature sensor, forms with the integral operation circuit that output terminal is connected, its output terminal is connected with central processing unit amplifying contrast circuit with input end.
Described amplification contrast circuit is by amplifier P1, amplifier P2, triode VT10, one end is connected with amplifier P1 positive pole, the resistance R24 that the other end is connected with the negative pole of amplifier P1, P pole is connected with the negative pole of amplifier P1, the diode D14 that N pole is connected with the negative pole of amplifier P2 after resistance R30, P pole is connected with the output terminal of amplifier P1 after polar capacitor C16, the diode D19 that N pole is connected with the base stage of triode VT10 after resistance R39, and one end is connected with the positive pole of amplifier P2, the resistance R38 that the other end is connected with the output terminal of amplifier P2 forms, the output terminal of the grounded collector of described triode VT10, its emitter and amplifier P2 is jointly formed and amplifies contrast circuit output terminal, the negative pole of described amplifier P1 is as the input end amplifying contrast circuit and be connected with temperature sensor.
Described integral operation electricity routing amplifier P3, amplifier P4, triode VT9, positive pole is connected with the output terminal of amplifier P3, the polar capacitor C14 that negative pole is connected with the negative pole of amplifier P3 after resistance R25, positive pole is connected with the positive pole of amplifier P3, the polar capacitor C17 that negative pole is connected with the output terminal of amplifier P4 after resistance R28, negative pole is connected with the positive pole of amplifier P4 after resistance R33, the polar capacitor C20 that negative pole is connected with the output terminal of amplifier P2, P pole is connected with the emitter of triode VT10 after resistance R37, N pole and the diode D17 be connected with the negative pole of amplifier P4 after resistance R35, positive pole is connected with the negative pole of amplifier P3 after resistance R29 through resistance R31 in turn, negative pole is in turn through resistance R36, the polar capacitor C18 be connected with the positive pole of polar capacitor C20 after diode D18, P pole is connected with the emitter of triode VT9, N pole is in turn through diode D15 that polar capacitor C15 is connected with the output terminal of amplifier P3 after resistance R26, P pole is connected with the N pole of diode D15 after resistance R32, N pole is in turn through diode D16 that polar capacitor C19 is connected with the positive pole of polar capacitor C20 after resistance R34, and one end is connected with the negative pole of polar capacitor C17, the resistance R27 that the other end is connected with the N pole of diode D15 forms, the base stage of described triode VT9 is connected with the positive pole of amplifier P4, its grounded collector, the output terminal of described amplifier P3 is as the output terminal of integral operation circuit.
Described current driving circuit, by the overpressure protection circuit be connected with temperature controller, is connected with the output terminal of overpressure protection circuit with input end, driving circuit that its output terminal is connected with heating element forms, described overpressure protection circuit is by triode VT5, triode VT6, voltage stabilizing diode D11, one end as overpressure protection circuit input end and be connected with temperature controller, the resistance R10 that the other end is connected with the base stage of triode VT5, negative pole is connected with the base stage of triode VT5 after resistance R12 and diode D7 through resistance R15 in turn, positive pole is in turn through polar capacitor C8 that resistance R17 is connected with the emitter of triode VT6 after resistance R18, positive pole is connected with the collector of triode VT5, the polar capacitor C7 that negative pole is connected with the P pole of voltage stabilizing diode D11 after resistance R14, and positive pole is connected with the collector of triode VT6, the polar capacitor C10 that negative pole is connected with the emitter of triode VT5 after diode D8 and resistance R11 through resistance R13 in turn forms, the N pole of described voltage stabilizing diode D11 is connected with the base stage of triode VT6, the negative pole of described polar capacitor C10 and the tie point of resistance R17 and resistance R18 form output terminal jointly.
Described driving circuit is by triode VT7, triode VT8, field effect transistor MOS, P pole is connected with the negative pole of polar capacitor C10, the diode D9 that N pole is connected with the base stage of triode VT7 after resistance R19, P pole is connected with the base stage of triode VT8 after polar capacitor C9 through resistance R16 in turn, N pole is in turn through diode D10 that polar capacitor C12 is connected with the source electrode of field effect transistor MOS after resistance R23, positive pole is connected with the collector of triode VT8, the polar capacitor C11 of negative pole ground connection after resistance R21, P pole is connected with the emitter of triode VT7, the diode D13 that N pole is connected with the emitter of triode VT8 after resistance R20, and positive pole is connected with the collector of triode VT7 after diode D12 through resistance R22 in turn, the polar capacitor C13 that negative pole is connected with the drain electrode of field effect transistor MOS forms, described go out the drain electrode of field effect transistor MOS as the output terminal of driving circuit, the base stage of described triode VT8 is connected with the tie point of resistance R18 with resistance R17.
Described rectification filtering voltage stabilizing circuit is by transformer T, one of them input end is connected with the Same Name of Ends of the secondary inductance coil of transformer T, the diode rectifier U that another input end is connected with the non-same polarity of the secondary inductance coil of transformer T, positive pole is connected with the cathode output end of diode rectifier U, the polar capacitor C1 that negative pole is connected with the cathode output end of diode rectifier U, be connected to the triode conditioned circuit between the cathode output end of diode rectifier U and cathode output end, and input end is connected with the output terminal of triode conditioned circuit, the plus and blowup circuit that its output terminal is connected with central processing unit forms, the Same Name of Ends of the former limit telefault of described transformer T jointly forms the input end of rectification filtering voltage stabilizing circuit with non-same polarity and is connected with power supply.
Described triode conditioned circuit is by triode VT1, triode VT2, triode VT3, one end is connected with the base stage of triode VT1, the resistance R1 that the other end is connected with the positive pole of polar capacitor C1, P pole is connected with the collector of triode VT1, the diode D1 that N pole is connected with the base stage of triode VT2, positive pole is connected with the collector of triode VT2, the polar capacitor C2 of minus earth, P pole is connected with the emitter of triode VT1 after resistance R3, the diode D4 that N pole is connected with the collector of triode VT3, and P pole is connected with the emitter of triode VT2 after adjustable resistance R4, the diode D3 that N pole is connected with the base stage of triode VT3 after polar capacitor C3 forms, the emitter of described triode VT3 is as the output terminal of triode conditioned circuit.
Described plus and blowup electricity routing amplifier P, triode VT4, P pole is connected with the negative pole of polar capacitor C1 after resistance R2, the diode D2 that N pole is connected with the base stage of triode VT4 after resistance R5, positive pole is connected with the collector of triode VT4 after resistance R8, negative pole and the output terminal of amplifier P form the output terminal of plus and blowup circuit and the polar capacitor C5 be connected with central processing unit jointly, negative pole is connected with the emitter of triode VT4, positive pole is in turn through polar capacitor C4 that resistance R9 is connected with the negative pole of amplifier P after diode D6, and P pole is connected with the positive pole of amplifier P after resistance R7, the diode D5 that N pole is connected with the emitter of triode VT3 after resistance R6 forms.
For guaranteeing practical effect of the present invention, described heating element is titanium alloy heating element; Described display is the LCDs with touch-input function.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) stable performance of A/D change-over circuit of the present invention, strong interference immunity, the simulating signal that therefore can export temperature sensor carry out modulus data conversion accurately, thus ensure that high molecular leather sprays paint the accuracy of bake out temperature of dryer.
(2) when there is excess current and under-voltage in the voltage and current that current driving circuit of the present invention can export at temperature controller, this current driving circuit meeting immediate stability exports forward drive signal and adjustment electric current output in time, ensure the drive current that heating element provides stable, thus ensure that leather sprays paint the stability of bake out temperature of dryer.
(3) rectification filtering voltage stabilizing circuit of the present invention can provide stable 12V DC voltage for central processing unit, thus guarantee that the stability of the work of the central processing unit of high molecular leather dryer temperature control system is accurate, ensure that the stability of high molecular leather dryer temperature simultaneously.
(4) high molecular leather of the present invention spray paint dryer temperature control system heating element adopt be titanium alloy heating element, this heating element has the advantages such as fast, the hot area coverage of heating is large, heating is even, controllability is strong, thus ensure that macromolecule shoe material leather surface is indeformable, do not fall paint.
Accompanying drawing explanation
Fig. 1 is temperature control system structured flowchart of the present invention.
Fig. 2 is the electrical block diagram of rectification filtering voltage stabilizing circuit of the present invention.
Fig. 3 is the electrical block diagram of current driving circuit of the present invention.
Fig. 4 is the electrical block diagram of A/D change-over circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, main central processor of the present invention, the display be all connected with central processing unit, power supply, temperature sensor, temperature controller, data-carrier store, the heating element be connected with temperature controller, the rectification filtering voltage stabilizing circuit that input end is connected with power supply, its output terminal is connected with central processing unit, the current driving circuit that input end is connected with temperature controller, its output terminal is connected with heating element, and the A/D change-over circuit that input end is connected with temperature sensor, its output terminal is connected with central processing unit forms.
For better implementing the present invention, described central processing unit is SOP8 integrated chip.The COMP pin of described SOP8 integrated chip is connected with display, and GD pin is connected with data-carrier store, and ZCD pin is connected with temperature controller.It is that central processing unit is powered that described power supply carries out the stable 12V direct current of output terminal after rectifying and wave-filtering through rectification filtering voltage stabilizing circuit.
During enforcement, the bake out temperature data message of described temperature sensor to dryer gathers, and by gathered bake out temperature data information transfer to A/D change-over circuit, is transferred to central processing unit after realizing modulus data conversion by A/D change-over circuit.Bake out temperature data value in the bake out temperature data message that temperature sensor transmits by described central processing unit and data-carrier store is compared, and the result that comparison draws by this central processing unit is transferred to temperature controller.Temperature controller described in the present invention is AT89C2051 temperature controller, and this temperature controller exports corresponding current signal to current driving circuit according to the corresponding information that central processing unit transmits.Described current driving circuit exports the temperature of corresponding drive current to heating element according to the current signal that temperature controller exports and regulates, thus makes the temperature value of the heating element of dryer consistent with the bake out temperature value in data-carrier store.Data-carrier store in the present invention is C8051F020 data-carrier store, and the bake out temperature value in this data-carrier store can regulate according to different demands.
Wherein, described display is the LCDs with touch-input function, the touch-input function of this display is used for regulating the temperature in data-carrier store, this display also can accurately demonstrate the temperature value that prestores in the actual temperature value of the heating element of dryer and data-carrier store, be convenient to the observation of the actual temperature value of the heating element to dryer, and the temperature value that prestores is regulated.
As shown in Figure 2, described rectification filtering voltage stabilizing circuit is by transformer T, triode conditioned circuit, plus and blowup circuit, the diode rectifier U that one of them input end is connected with the Same Name of Ends of the secondary inductance coil of transformer T, another input end is connected with the non-same polarity of the secondary inductance coil of transformer T, and the polar capacitor C1 that positive pole is connected with the cathode output end of diode rectifier U, negative pole is connected with the cathode output end of diode rectifier U forms; The Same Name of Ends of the former limit telefault of described transformer T jointly forms the input end of rectification filtering voltage stabilizing circuit with non-same polarity and is connected with power supply.
Further, described triode conditioned circuit by triode VT1, triode VT2, triode VT3, resistance R1, resistance R3, resistance R4, diode D1, diode D3, polar capacitor C2, and polar capacitor C3 forms.
During connection, one end of resistance R1 is connected with the base stage of triode VT1, the other end is connected with the positive pole of polar capacitor C1.The P pole of diode D1 is connected with the collector of triode VT1, N pole is connected with the base stage of triode VT2.The positive pole of polar capacitor C2 is connected with the collector of triode VT2, minus earth.The P pole of diode D4 is connected with the emitter of triode VT1 after resistance R3, N pole is connected with the collector of triode VT3.The P pole of diode D3 is connected with the emitter of triode VT2 after adjustable resistance R4, its N pole is connected with polar capacitor C3 negative pole, and the positive pole of described polar capacitor C3 is then connected with the base stage of triode VT3.The emitter of described triode VT3 as triode conditioned circuit output terminal and be connected with plus and blowup circuit.
Meanwhile, described plus and blowup electricity routing amplifier P, triode VT4, resistance R2, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, diode D2, diode D4, diode D5, diode D6, polar capacitor C4, and polar capacitor C5 forms.
During connection, the N pole of diode D2 is connected with the base stage of triode VT4 after resistance R5, P pole is connected with the negative pole of polar capacitor C1 after resistance R2.The positive pole of polar capacitor C5 is connected with the collector of triode VT4 after resistance R8, negative pole is connected with the INV pin of SOP8 integrated chip.The negative pole of polar capacitor C4 is connected with the emitter of triode VT4, its positive pole is connected with the N pole of diode D6 after resistance R9, and the P pole of described diode D6 is then connected with the negative pole of amplifier P.The P pole of diode D5 is connected with the positive pole of amplifier P after resistance R7, N pole is connected with the emitter of triode VT3 after resistance R6.The output terminal of described amplifier P is connected with the VCC pin of SOP8 integrated chip.
The present invention operationally, power supply is through the transformer T step-down of rectification filtering voltage stabilizing circuit, after carrying out rectification by diode rectifier U, supply voltage is converted to Rectified alternating current, this Rectified alternating current carries out charge and discharge by filtering polar capacitor C1 makes the direct current qualitative change of pulsation be stable 12V direct current.Resistance R1 can reduce the mistake electric loading of electric current, and its adjustable resistance R4, diode D3, polar capacitor C3 can regulate the galvanic intrinsic standoff ratio of 12V.Export after 12V direct current after logical superpotential intrinsic standoff ratio regulates carries out amplification filtering by the plus and blowup circuit that triode VT4, diode D6, polar capacitor C5, amplifier P form, thus ensure that rectification filtering voltage stabilizing circuit provides stable 12V direct current for central processing unit.
As shown in Figure 3, described current driving circuit is made up of overpressure protection circuit and driving circuit; Described overpressure protection circuit by triode VT5, triode VT6, voltage stabilizing diode D11, resistance R10, resistance R11, resistance R12; resistance R13, resistance R14, resistance R15, resistance R17, resistance R18; polar capacitor C7, polar capacitor C8, polar capacitor C10, diode D8, and diode D11 forms.
During connection, one end of resistance R10 as overpressure protection circuit input end and be connected with temperature controller, the other end is connected with the base stage of triode VT5.The positive pole of polar capacitor C8 is connected with the emitter of triode VT6 after resistance R18 through resistance R17 in turn, its negative pole is connected with the N pole of diode D7 after resistance R12 through resistance R15 in turn, and the P pole of described diode D7 is then connected with the base stage of triode VT5.The positive pole of polar capacitor C7 is connected with the collector of triode VT5, negative pole is connected with the P pole of voltage stabilizing diode D11 after resistance R14.The positive pole of polar capacitor C10 is connected with the collector of triode VT6, its negative pole is connected with diode D8P pole after resistance R13, and the N pole of described diode D8 is connected with the emitter of triode VT5 after resistance R11.The N pole of described voltage stabilizing diode D11 is connected with the base stage of triode VT6; The negative pole of described polar capacitor C10 jointly forms output terminal with resistance R17 with the tie point of resistance R18 and is connected with driving circuit.
Described driving circuit by triode VT7, triode VT8, field effect transistor MOS, resistance R16, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23, diode D9, diode D10, diode D12, diode D13, polar capacitor C9, polar capacitor C11, polar capacitor C12, and polar capacitor C13 forms.
During connection, diode D9P pole is connected with the negative pole of polar capacitor C10, N pole is connected with the base stage of triode VT7 after resistance R19.The P pole of diode D10 is connected with the negative pole of polar capacitor C9 after resistance R16, the positive pole of described polar capacitor C9 is then connected with the base stage of triode VT8, the N pole of described diode D10 is connected with the positive pole of polar capacitor C12, and the negative pole of described polar capacitor C12 is connected with the source electrode of field effect transistor MOS after resistance R23.The positive pole of polar capacitor C11 is connected with the collector of triode VT8, negative pole ground connection after resistance R21.The P pole of diode D13 is connected with the emitter of triode VT7, N pole is connected with the emitter of triode VT8 after resistance R20.The negative pole of polar capacitor C13 is connected with the drain electrode of field effect transistor MOS, its positive pole is connected with the N pole of diode D12 after resistance R22, and the P pole of described diode D12 is then connected with the collector of triode VT7.Described go out field effect transistor MOS drain electrode as driving circuit output terminal and be connected with heating element; The base stage of described triode VT8 is connected with the tie point of resistance R18 with resistance R17.
The present invention operationally, the resistance being serially connected in the resistance R10 of the base stage of triode VT5 in current driving circuit is high-impedance resistors, current spike when this resistance 10 can effectively prevent electric current from inputting punctures triode VT5, after temperature controller obtains the signal of increase heating element temperature, output HIGH current is transferred to diode D7 by resistance R10, resistance R12 and resistance R15 is through polar capacitor C8 filtering, after current constant, be that heating element transmits working current through the base stage of triode VT8 and emitter On current through the drain electrode of field effect transistor MOS, now the temperature of heating element increases, to guarantee that the temperature of heating element is consistent with the temperature value in data-carrier store.When heating element temperature is identical with the temperature value that prestores in data-carrier store, temperature controller output LOW current, the drive current passage that this low current then forms through triode VT6 and polar capacitor C10, diode D9, triode VT7 after voltage stabilizing diode D11 voltage stabilizing exports constant drive current, and now heating element is in temperature constant state.
As shown in Figure 4, described A/D change-over circuit is by amplifying contrast circuit and integral operation circuit forms; Described amplification contrast circuit by amplifier P1, amplifier P2, triode VT10, resistance R24, resistance R30, resistance R38, resistance R39, diode D14, diode D19, and polar capacitor C16 forms.
During connection, one end of resistance R24 is connected with amplifier P1 positive pole, the other end is connected with the negative pole of amplifier P1.The P pole of diode D14 is connected with the negative pole of amplifier P1, N pole is connected with the negative pole of amplifier P2 after resistance R30.The N pole of diode D19 is connected with the base stage of triode VT10 after resistance R39, its P pole is connected with the negative pole of polar capacitor C16, the positive pole of described polar capacitor C16 is then connected with the output terminal of amplifier P1.One end of resistance R38 is connected with the positive pole of amplifier P2, the other end is connected with the output terminal of amplifier P2.
Grounded collector, its emitter of described triode VT10 are jointly formed with the output terminal of amplifier P2 and amplify contrast circuit output terminal and be connected with integral operation circuit; The negative pole of described amplifier P1 is as the input end amplifying contrast circuit and be connected with temperature sensor.
Meanwhile, described integral operation electricity routing amplifier P3, amplifier P4, triode VT9, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29 resistance R31, resistance R32 resistance R33, resistance R34, resistance R35, resistance R36, resistance R37, polar capacitor C14, polar capacitor C15, polar capacitor C17, polar capacitor C18, polar capacitor C19, polar capacitor C20, diode D15, diode D16, diode D17, and diode D18 forms.
During connection, the positive pole of polar capacitor C14 is connected with the output terminal of amplifier P3, negative pole is connected with the negative pole of amplifier P3 after resistance R25.The positive pole of polar capacitor C17 is connected with the positive pole of amplifier P3, negative pole is connected with the output terminal of amplifier P4 after resistance R28.The negative pole of polar capacitor C20 is connected with the positive pole of amplifier P4 after resistance R33, negative pole is connected with the output terminal of amplifier P2.The P pole of diode D17 is connected with the emitter of triode VT10 after resistance R37, N pole is connected with the negative pole of amplifier P4 with after resistance R35.The positive pole of polar capacitor C18 is connected with the negative pole of amplifier P3 after resistance R29 through resistance R31 in turn, its negative pole is connected with the P pole of diode D18 after resistance R36, and the N pole of described diode D18 is then connected with the positive pole of polar capacitor C20.
Wherein, the P pole of diode D15 is connected with the emitter of triode VT9, its N pole is connected with the negative pole of polar capacitor C15, and the positive pole of described polar capacitor C15 is connected with the output terminal of amplifier P3 after resistance R26.The P pole of diode D16 is connected with the N pole of diode D15 after resistance R32, its N pole is connected with the positive pole of polar capacitor C19, and the negative pole of described polar capacitor C19 is connected with the positive pole of polar capacitor C20 after resistance R34.One end of resistance R27 is connected with the negative pole of polar capacitor C17, the other end is connected with the N pole of diode D15.The base stage of described triode VT9 is connected with the positive pole of amplifier P4, its grounded collector; The output terminal of described amplifier P3 as integral operation circuit output terminal and be connected with the MULT pin of SOP8 integrated chip.
The present invention operationally, after simulating signal is amplified by the amplifier P2 of current driving circuit, after the band limit filtering of polar capacitor C16 and diode D19 formation carries out noise elimination process to the simulating signal after amplification, the simulating signal after this noise elimination process is converted to stepped signal through triode VT10, amplifier P2.Then this stepped signal carries out computing by the forward integral operation formed by elements such as amplifier P3, diode D18 and polar capacitor C18 and the reverse integral computing formed by elements such as amplifier P4, triode VT9, each level in stepped signal is become binary code electric current by being converted to data message after polar capacitor C14 and polar capacitor C15 electrolysis.
As mentioned above, just the present invention can well be realized.
Claims (9)
1. based on the intelligent dryer temperature control system of spraying paint of A/D change-over circuit, primarily of central processing unit, the display be all connected with central processing unit, power supply, temperature sensor, temperature controller, data-carrier store, and the heating element be connected with temperature controller forms; It is characterized in that: between temperature sensor and central processing unit, be also serially connected with A/D change-over circuit, between power supply and central processing unit, be also serially connected with rectification filtering voltage stabilizing circuit, between temperature controller and heating element, be also serially connected with current driving circuit; Described A/D change-over circuit, by the amplification contrast circuit be connected with temperature sensor, forms with the integral operation circuit that output terminal is connected, its output terminal is connected with central processing unit amplifying contrast circuit with input end.
2. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 1, it is characterized in that, described amplification contrast circuit is by amplifier P1, amplifier P2, triode VT10, one end is connected with amplifier P1 positive pole, the resistance R24 that the other end is connected with the negative pole of amplifier P1, P pole is connected with the negative pole of amplifier P1, the diode D14 that N pole is connected with the negative pole of amplifier P2 after resistance R30, P pole is connected with the output terminal of amplifier P1 after polar capacitor C16, the diode D19 that N pole is connected with the base stage of triode VT10 after resistance R39, and one end is connected with the positive pole of amplifier P2, the resistance R38 that the other end is connected with the output terminal of amplifier P2 forms, the output terminal of the grounded collector of described triode VT10, its emitter and amplifier P2 is jointly formed and amplifies contrast circuit output terminal, the negative pole of described amplifier P1 is as the input end amplifying contrast circuit and be connected with temperature sensor.
3. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 2, it is characterized in that, described integral operation electricity routing amplifier P3, amplifier P4, triode VT9, positive pole is connected with the output terminal of amplifier P3, the polar capacitor C14 that negative pole is connected with the negative pole of amplifier P3 after resistance R25, positive pole is connected with the positive pole of amplifier P3, the polar capacitor C17 that negative pole is connected with the output terminal of amplifier P4 after resistance R28, negative pole is connected with the positive pole of amplifier P4 after resistance R33, the polar capacitor C20 that negative pole is connected with the output terminal of amplifier P2, P pole is connected with the emitter of triode VT10 after resistance R37, N pole and the diode D17 be connected with the negative pole of amplifier P4 after resistance R35, positive pole is connected with the negative pole of amplifier P3 after resistance R29 through resistance R31 in turn, negative pole is in turn through resistance R36, the polar capacitor C18 be connected with the positive pole of polar capacitor C20 after diode D18, P pole is connected with the emitter of triode VT9, N pole is in turn through diode D15 that polar capacitor C15 is connected with the output terminal of amplifier P3 after resistance R26, P pole is connected with the N pole of diode D15 after resistance R32, N pole is in turn through diode D16 that polar capacitor C19 is connected with the positive pole of polar capacitor C20 after resistance R34, and one end is connected with the negative pole of polar capacitor C17, the resistance R27 that the other end is connected with the N pole of diode D15 forms, the base stage of described triode VT9 is connected with the positive pole of amplifier P4, its grounded collector, the output terminal of described amplifier P3 is as the output terminal of integral operation circuit.
4. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 3, it is characterized in that, described current driving circuit, by the overpressure protection circuit be connected with temperature controller, is connected with the output terminal of overpressure protection circuit with input end, driving circuit that its output terminal is connected with heating element forms, described overpressure protection circuit is by triode VT5, triode VT6, voltage stabilizing diode D11, one end as overpressure protection circuit input end and be connected with temperature controller, the resistance R10 that the other end is connected with the base stage of triode VT5, negative pole is connected with the base stage of triode VT5 after resistance R12 and diode D7 through resistance R15 in turn, positive pole is in turn through polar capacitor C8 that resistance R17 is connected with the emitter of triode VT6 after resistance R18, positive pole is connected with the collector of triode VT5, the polar capacitor C7 that negative pole is connected with the P pole of voltage stabilizing diode D11 after resistance R14, and positive pole is connected with the collector of triode VT6, the polar capacitor C10 that negative pole is connected with the emitter of triode VT5 after diode D8 and resistance R11 through resistance R13 in turn forms, the N pole of described voltage stabilizing diode D11 is connected with the base stage of triode VT6, the negative pole of described polar capacitor C10 and the tie point of resistance R17 and resistance R18 form output terminal jointly.
5. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 4, it is characterized in that, described driving circuit is by triode VT7, triode VT8, field effect transistor MOS, P pole is connected with the negative pole of polar capacitor C10, the diode D9 that N pole is connected with the base stage of triode VT7 after resistance R19, P pole is connected with the base stage of triode VT8 after polar capacitor C9 through resistance R16 in turn, N pole is in turn through diode D10 that polar capacitor C12 is connected with the source electrode of field effect transistor MOS after resistance R23, positive pole is connected with the collector of triode VT8, the polar capacitor C11 of negative pole ground connection after resistance R21, P pole is connected with the emitter of triode VT7, the diode D13 that N pole is connected with the emitter of triode VT8 after resistance R20, and positive pole is connected with the collector of triode VT7 after diode D12 through resistance R22 in turn, the polar capacitor C13 that negative pole is connected with the drain electrode of field effect transistor MOS forms, described go out the drain electrode of field effect transistor MOS as the output terminal of driving circuit, the base stage of described triode VT8 is connected with the tie point of resistance R18 with resistance R17.
6. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 5, it is characterized in that, described rectification filtering voltage stabilizing circuit is by transformer T, one of them input end is connected with the Same Name of Ends of the secondary inductance coil of transformer T, the diode rectifier U that another input end is connected with the non-same polarity of the secondary inductance coil of transformer T, positive pole is connected with the cathode output end of diode rectifier U, the polar capacitor C1 that negative pole is connected with the cathode output end of diode rectifier U, be connected to the triode conditioned circuit between the cathode output end of diode rectifier U and cathode output end, and input end is connected with the output terminal of triode conditioned circuit, the plus and blowup circuit that its output terminal is connected with central processing unit forms, the Same Name of Ends of the former limit telefault of described transformer T jointly forms the input end of rectification filtering voltage stabilizing circuit with non-same polarity and is connected with power supply.
7. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 6, it is characterized in that, described triode conditioned circuit is by triode VT1, triode VT2, triode VT3, one end is connected with the base stage of triode VT1, the resistance R1 that the other end is connected with the positive pole of polar capacitor C1, P pole is connected with the collector of triode VT1, the diode D1 that N pole is connected with the base stage of triode VT2, positive pole is connected with the collector of triode VT2, the polar capacitor C2 of minus earth, P pole is connected with the emitter of triode VT1 after resistance R3, the diode D4 that N pole is connected with the collector of triode VT3, and P pole is connected with the emitter of triode VT2 after adjustable resistance R4, the diode D3 that N pole is connected with the base stage of triode VT3 after polar capacitor C3 forms, the emitter of described triode VT3 is as the output terminal of triode conditioned circuit.
8. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 7, it is characterized in that, described plus and blowup electricity routing amplifier P, triode VT4, P pole is connected with the negative pole of polar capacitor C1 after resistance R2, the diode D2 that N pole is connected with the base stage of triode VT4 after resistance R5, positive pole is connected with the collector of triode VT4 after resistance R8, negative pole and the output terminal of amplifier P form the output terminal of plus and blowup circuit and the polar capacitor C5 be connected with central processing unit jointly, negative pole is connected with the emitter of triode VT4, positive pole is in turn through polar capacitor C4 that resistance R9 is connected with the negative pole of amplifier P after diode D6, and P pole is connected with the positive pole of amplifier P after resistance R7, the diode D5 that N pole is connected with the emitter of triode VT3 after resistance R6 forms.
9. the intelligent dryer temperature control system of spraying paint based on A/D change-over circuit according to claim 8, it is characterized in that, described heating element is titanium alloy heating element; Described display is the LCDs with touch-input function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510898120.2A CN105353799A (en) | 2015-12-08 | 2015-12-08 | Intelligent paint dryer temperature-control system based on A/D converting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510898120.2A CN105353799A (en) | 2015-12-08 | 2015-12-08 | Intelligent paint dryer temperature-control system based on A/D converting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105353799A true CN105353799A (en) | 2016-02-24 |
Family
ID=55329786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510898120.2A Pending CN105353799A (en) | 2015-12-08 | 2015-12-08 | Intelligent paint dryer temperature-control system based on A/D converting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105353799A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783493A (en) * | 2016-04-26 | 2016-07-20 | 四川蓉幸实业有限公司 | Pipeline type cyclic heating and drying energy-saving system used for rhizoma gastrodiae |
| CN105783445A (en) * | 2016-04-27 | 2016-07-20 | 四川蓉幸实业有限公司 | High-precision drying energy-saving system for radix ophiopogonis medicinal material |
| CN105890298A (en) * | 2016-04-26 | 2016-08-24 | 四川蓉幸实业有限公司 | Quick drying energy saving system for gastrodia tuber medicinal materials |
| CN105890299A (en) * | 2016-04-27 | 2016-08-24 | 四川蓉幸实业有限公司 | Energy-saving drying system for Radix Ophiopogonis and with temperature regulating function |
| CN105910397A (en) * | 2016-04-29 | 2016-08-31 | 四川蓉幸实业有限公司 | Deflector-type drying system for pseudo-ginseng medicine materials |
| CN105928338A (en) * | 2016-04-28 | 2016-09-07 | 四川蓉幸实业有限公司 | Drying energy-saving system for movable temperature difference compensation for radix codonopsis medicinal materials |
| CN105928336A (en) * | 2016-04-27 | 2016-09-07 | 四川蓉幸实业有限公司 | Energy-saving drying system for radix ophiopogonis medicinal materials |
| CN105953537A (en) * | 2016-04-27 | 2016-09-21 | 四川蓉幸实业有限公司 | Multi-circuit processing type drying energy-saving system for radix ophiopogonis medicinal material |
| CN105953536A (en) * | 2016-04-27 | 2016-09-21 | 四川蓉幸实业有限公司 | Radix ophiopogonis medicinal material drying energy-saving system controllable in temperature |
| CN105953535A (en) * | 2016-04-26 | 2016-09-21 | 四川蓉幸实业有限公司 | Hot air circulation heating and drying energy-saving system for gastrodia elata medicinal materials |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3050865A (en) * | 1959-07-09 | 1962-08-28 | Gen Electric | Control system for clothes dryers |
| US6757988B2 (en) * | 2002-05-22 | 2004-07-06 | Maytag Corporation | Control system for a clothes dryer heater |
| CN2624257Y (en) * | 2003-06-20 | 2004-07-07 | 唐德顺 | Automated controller for vertical type dryer drying machine |
| CN204455651U (en) * | 2014-12-09 | 2015-07-08 | 西安众智惠泽光电科技有限公司 | Cloth drying machine bake out temperature intelligent control system |
| CN204455644U (en) * | 2014-12-09 | 2015-07-08 | 西安众智惠泽光电科技有限公司 | The self-service cloth drying machine in hotel |
-
2015
- 2015-12-08 CN CN201510898120.2A patent/CN105353799A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3050865A (en) * | 1959-07-09 | 1962-08-28 | Gen Electric | Control system for clothes dryers |
| US6757988B2 (en) * | 2002-05-22 | 2004-07-06 | Maytag Corporation | Control system for a clothes dryer heater |
| CN2624257Y (en) * | 2003-06-20 | 2004-07-07 | 唐德顺 | Automated controller for vertical type dryer drying machine |
| CN204455651U (en) * | 2014-12-09 | 2015-07-08 | 西安众智惠泽光电科技有限公司 | Cloth drying machine bake out temperature intelligent control system |
| CN204455644U (en) * | 2014-12-09 | 2015-07-08 | 西安众智惠泽光电科技有限公司 | The self-service cloth drying machine in hotel |
Non-Patent Citations (1)
| Title |
|---|
| 王悦凯: "《51单片机系统入门、扩展、应用开发学习手册案例详解版》", 31 March 2013, 中国铁道出版社 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783493A (en) * | 2016-04-26 | 2016-07-20 | 四川蓉幸实业有限公司 | Pipeline type cyclic heating and drying energy-saving system used for rhizoma gastrodiae |
| CN105890298A (en) * | 2016-04-26 | 2016-08-24 | 四川蓉幸实业有限公司 | Quick drying energy saving system for gastrodia tuber medicinal materials |
| CN105953535A (en) * | 2016-04-26 | 2016-09-21 | 四川蓉幸实业有限公司 | Hot air circulation heating and drying energy-saving system for gastrodia elata medicinal materials |
| CN105783445A (en) * | 2016-04-27 | 2016-07-20 | 四川蓉幸实业有限公司 | High-precision drying energy-saving system for radix ophiopogonis medicinal material |
| CN105890299A (en) * | 2016-04-27 | 2016-08-24 | 四川蓉幸实业有限公司 | Energy-saving drying system for Radix Ophiopogonis and with temperature regulating function |
| CN105928336A (en) * | 2016-04-27 | 2016-09-07 | 四川蓉幸实业有限公司 | Energy-saving drying system for radix ophiopogonis medicinal materials |
| CN105953537A (en) * | 2016-04-27 | 2016-09-21 | 四川蓉幸实业有限公司 | Multi-circuit processing type drying energy-saving system for radix ophiopogonis medicinal material |
| CN105953536A (en) * | 2016-04-27 | 2016-09-21 | 四川蓉幸实业有限公司 | Radix ophiopogonis medicinal material drying energy-saving system controllable in temperature |
| CN105928338A (en) * | 2016-04-28 | 2016-09-07 | 四川蓉幸实业有限公司 | Drying energy-saving system for movable temperature difference compensation for radix codonopsis medicinal materials |
| CN105910397A (en) * | 2016-04-29 | 2016-08-31 | 四川蓉幸实业有限公司 | Deflector-type drying system for pseudo-ginseng medicine materials |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105353799A (en) | Intelligent paint dryer temperature-control system based on A/D converting circuit | |
| US9661710B1 (en) | Dimmer holding current control circuit for phase cut dimming power supply | |
| CN105848364A (en) | Dimmable LED constant-current output driving system based on power amplifying circuit | |
| CN105242098A (en) | Constant current source aluminum electrolysis anode current measuring instrument based on differential amplification | |
| CN105430796A (en) | Intelligent LED lamp energy saving control system based on two-stage filtering signal amplification circuit | |
| CN105407580A (en) | High-sensitivity and multi-functional control system for multi-circuit light emitting diode (LED) lamp | |
| CN105549643A (en) | Intelligent temperature-control system based on current driving circuit and used for paint spraying dryer | |
| CN105376891A (en) | Multifunctional LED lamp intelligent control system | |
| CN105873271A (en) | Multifunctional light-controlled energy-saving system with high sensitivity for multi-circuit LED lamp | |
| CN104882954B (en) | Temperature-difference power supply system based on field drop irrigation device | |
| CN105353798A (en) | Temperature intelligence control system for high-molecular leather intelligent spray paint dryer | |
| CN105373153A (en) | Single-steady state oscillation inversion circuit-based intelligent paint spraying dryer temperature control system | |
| CN105739389A (en) | Multifunctional control system with high sensitivity for warmer based on multiple circuit processing | |
| CN105430795A (en) | Energy saving control system of intelligent LED lamp based on compound double-order filter circuit | |
| CN105764195A (en) | LED lamp-used multifunctional light-controlled energy-saving system with multi-circuit processing | |
| CN106301023A (en) | The skew controllable electric power that a kind of anode electrolytic cell current measuring device surge limits | |
| CN211020427U (en) | A inoculation sterilizer for potato is cultivated | |
| CN204335056U (en) | Based on the LED bootstrapping control system of Linear Driving | |
| CN105517225A (en) | Energy-saving control system of intelligent LED lamp | |
| CN105423387A (en) | Energy-saving control based on hybrid multiple circuits for range hood | |
| CN106102236A (en) | A kind of overcurrent protective cold light LED voltage amplification power circuit | |
| CN106329964A (en) | Surge current limiting-type regulated power supply for ectrolytic cell anode current measurement device | |
| CN204442743U (en) | Bootstrapping based on phase shift process controls LED drive system | |
| CN105357844A (en) | Intelligent control system of energy-saving LED lamp | |
| CN204633628U (en) | A kind of stabilized rectifier for motorcycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160224 |
|
| WD01 | Invention patent application deemed withdrawn after publication |