CN105509455A - Dryer temperature control system based on three-wire-drive filter circuit - Google Patents
Dryer temperature control system based on three-wire-drive filter circuit Download PDFInfo
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- CN105509455A CN105509455A CN201510859532.5A CN201510859532A CN105509455A CN 105509455 A CN105509455 A CN 105509455A CN 201510859532 A CN201510859532 A CN 201510859532A CN 105509455 A CN105509455 A CN 105509455A
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- triode
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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
- F26B21/10—Temperature; Pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Abstract
The invention discloses a dryer temperature control system based on a three-wire-drive filter circuit. The dryer temperature control system based on the three-wire-drive filter circuit mainly comprises a single-chip microcomputer, and a display device, a temperature value pre-storage module, an A/D analog-to-digital conversion module, a heater CZ and a power supply which are all connected with the single-chip microcomputer, as well as a temperature sensor connected with the A/D analog-to-digital conversion module; the dryer temperature control system is characterized in that the three-wire-drive filter circuit is further connected between the single-chip microcomputer and the heater CZ in series; and the three-wire-drive filter circuit comprises a driver chip U, a self-lift amplification circuit connected with the driver chip U, as well as an active filter circuit of which the input end is connected with the output end of the self-lift amplification circuit and the output end is connected with the heater CZ. The dryer temperature control system based on the three-wire-drive filter circuit is stable in performance, strong in practicability, and can ensure the stability of the drying temperature of a dryer.
Description
Technical field
The present invention relates to the technical field of electromechanical equipment, what be specifically related to is a kind of dryer temperature control system driving filter circuit based on three lines.
Background technology
At present, along with improving constantly of people's quality of the life, be described as the ornament materials of luxury goods before carpet is this by people, now also by the general ground decoration for places such as family, market, public place of entertainment and offices.Carpet use the regular hour after in order to keep its cleannes, just need to clean it, the carpet that general family uses mostly is small size carpet tile, outdoor can be placed on after its cleaning to dry, and the carpet area that the places such as market, public place of entertainment and office are laid is larger, and when mostly using, carpet fixes on the ground by viscose glue, special cleaner can only be used to clean on the spot, therefore need after cleaning to dry carpet with dryer time clean.
Existing dryer for carpet has two kinds: a kind of is cold wind formula dryer for carpet, another kind is hot air type dryer for carpet, because hot air type dryer for carpet is higher than the efficiency of cold wind formula dryer for carpet, the working time is short, and be widely used, but existing hot air type dryer for carpet is due to the less stable of temperature control system, low during height when making the temperature of dryer, thus cause the surface of carpet to occur by the roasting bad and large area contracting water problem of high temperature.
Summary of the invention
The intelligent dryer of hot air type carpet that the object of the invention is to overcome prior art, due to the defect of the less stable of temperature control system, provides a kind of dryer temperature control system driving filter circuits based on three lines.
The present invention is achieved through the following technical solutions: a kind of dryer temperature control system driving filter circuit based on three lines, primarily of single-chip microcomputer, the pre-storing module of the display be all connected with single-chip microcomputer, temperature value, A/D analog-to-digital conversion module, heating element CZ and power supply, the temperature inductor be connected with A/D analog-to-digital conversion module, and three lines be serially connected between single-chip microcomputer and heating element CZ drive filter circuit to form.
Described three lines drive filter circuit by driving chip U, the bootstrapping amplifying circuit be connected with driving chip U, and the active filter circuit that input is connected with the output of bootstrapping amplifying circuit, its output is connected with heating element CZ forms; Described active filter circuit is connected with driving chip U.
Described bootstrapping amplifying circuit is by triode VT1, triode VT2, triode VT3, negative pole in turn resistance R1 is connected with the colelctor electrode of triode VT3 with after resistance R4 and diode D1, the polar capacitor C1 that positive pole is connected with the base stage of triode VT3, negative pole is connected with the base stage of triode VT3, the polar capacitor C2 that positive pole is connected with the negative pole of polar capacitor C1, one end is connected with the emitter stage of triode VT3, the resistance R3 that the other end is connected with the CMN pin of driving chip U, negative pole is connected with the CMN pin of driving chip U, the polar capacitor C4 that positive pole is connected with the VFB pin of driving chip U after resistance R5, P pole is connected with the VCC pin of driving chip U after polar capacitor C3, the diode D2 that N pole is connected with the colelctor electrode of triode VT1, the SEN pin of one end driving chip U is connected, the resistance R7 that the other end is connected with the base stage of triode VT2, P pole is connected with the VOC pin of driving chip U, the diode D3 that N pole is connected with the emitter stage of triode VT2, and one end is connected with the base stage of triode VT1, the resistance R6 that the input that the other end and the base stage of triode VT3 form bootstrapping amplifying circuit is jointly connected with single-chip microcomputer forms, the base stage of described triode VT2 is connected with the colelctor electrode of triode VT1, its grounded collector, the N pole of described diode D2 is connected with the tie point of resistance R1 with resistance R4, the base stage of described triode VT3 and the emitter stage of triode VT1 form the output of bootstrapping amplifying circuit jointly.
Described active filter circuit is by FET MOS, triode VT4, P pole is connected with the base stage of triode VT3 after resistance R2 through resistance R9 in turn, the diode D4 that N pole is connected with the drain electrode of FET MOS after resistance R13, negative pole is connected with the OUT pin of driving chip U after resistance R10, the polar capacitor C6 that positive pole is connected with the grid of FET MOS, negative pole is connected with the N pole of diode D4 after resistance R14, the polar capacitor C8 that positive pole is connected with the colelctor electrode of triode VT4 after resistance R15, P pole is connected with the VF pin of driving chip U after resistance R11, N pole is in turn through diode D5 that polar capacitor C5 is connected with the emitter stage of triode VT1 after resistance R8, positive pole is connected with the source electrode of FET MOS, the polar capacitor C7 that negative pole is connected with the N pole of diode D5 after resistance R12, one end is connected with the colelctor electrode of triode VT4, the resistance R16 that the other end is connected with the negative pole of polar capacitor C7, P pole is connected with the base stage of triode VT4, the diode D6 that N pole is connected with the N pole of diode D5 after resistance R17, and positive pole is connected with the emitter stage of triode VT4, the polar capacitor C9 that the N of negative pole and diode D6 is formed with the output of power filter extremely jointly forms, the GND pin ground connection of described driving chip U.
Further, for guaranteeing result of use of the present invention, described heating element CZ is spiral heat coil, and described display is have the display screen touching and regulate input function, and described driving chip U is UC3843 integrated chip.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) three lines of the present invention drive filter circuit can reduce conduction loss, also exportable constant drive current, thus ensure that the stability of the temperature control system work of dryer.
(2) heating element CZ of the present invention have employed spiral heat coil, and the electrothermal calefactive rate of this spiral heat coil is fast, long service life.
(3) temperature value prestored in the pre-storing module of temperature value of the present invention can carry out corresponding adjustment according to the material of carpet, to guarantee the drying effect of carpet.
Accompanying drawing explanation
Fig. 1 is overall structure block diagram of the present invention.
Fig. 2 is the electrical block diagram that three lines of the present invention drive filter circuit.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the present invention is primarily of single-chip microcomputer, the pre-storing module of the display be all connected with single-chip microcomputer, temperature value, A/D analog-to-digital conversion module, heating element CZ and power supply, the temperature inductor be connected with A/D analog-to-digital conversion module, and three lines that input is connected with single-chip microcomputer, its output is connected with heating element CZ drive filter circuit to form.Described power supply is 220V alternating current, and this 220V alternating current is that whole dryer temperature control system is powered.
During enforcement, described heating element CZ is arranged on the air outlet place of dryer, and temperature inductor is then arranged on heating element CZ.Described temperature inductor for gathering the heating temp of heating element CZ, and by the heating temp information transmission of heating element CZ that collects to A/D analog-to-digital conversion module, is transferred to signal processing module after realizing data analog-to-digital conversion by A/D analog-to-digital conversion module.The data signal generated after the conversion of A/D analog-to-digital conversion module is then converted to data information transfer to single-chip microcomputer by described signal processing module.
Meanwhile, the temperature value in the temperature data information received and the pre-storing module of temperature is compared by described single-chip microcomputer, and this single-chip microcomputer sends corresponding signal according to the result that comparison draws and drives filter circuit to three lines.The driving voltage that the Signal Regulation that three described lines drive filter circuit then to send according to single-chip microcomputer exports and electric current, thus the heating temp of regulation heating device CZ, make the temperature value in the heating temp of heating element CZ and the pre-storing module of temperature be consistent.
Wherein, described display have employed the display screen having and touch and regulate input function, this display screen is provided with temp regulating function key, come by this function key when arranging predetermined temperature, this display screen can also demonstrate predetermined temperature and the actual temperature of hot air type drier, is convenient to regulate temperature.
As shown in Figure 2, described three lines drive filter circuit by driving chip U, the bootstrapping amplifying circuit be connected with driving chip U, and the active filter circuit be connected with the output of bootstrapping amplifying circuit forms.
Further, described bootstrapping amplifying circuit by triode VT1, triode VT2, triode VT3, resistance R1, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, diode D1, polar capacitor C1, polar capacitor C2, polar capacitor C3, polar capacitor C4, diode D2, and diode D3 forms.
During connection, the positive pole of polar capacitor C1 is connected with the base stage of triode VT3, its negative pole in turn resistance R1 be connected with the N pole of diode D1 with after resistance R4, the P pole of described diode D1 is then connected with the colelctor electrode of triode VT3.The negative pole of polar capacitor C2 is connected with the base stage of triode VT3, positive pole is connected with the negative pole of polar capacitor C1.One end of resistance R3 is connected with the emitter stage of triode VT3, the other end is connected with the CMN pin of driving chip U.The negative pole of polar capacitor C4 is connected with the CMN pin of driving chip U, positive pole is connected with the VFB pin of driving chip U after resistance R5.
Wherein, the N pole of diode D2 is connected with the colelctor electrode of triode VT1, its P pole is connected with the negative pole of polar capacitor C3, and the positive pole of described polar capacitor C3 is then connected with the VCC pin of driving chip U.The SEN pin of one end driving chip U of resistance R7 is connected, the other end is connected with the base stage of triode VT2.The P pole of diode D3 is connected with the VOC pin of driving chip U, N pole is connected with the emitter stage of triode VT2.One end of resistance R6 is connected with the base stage of triode VT1, the other end jointly forms the input of amplifying circuit of booting with the base stage of triode VT3 and is connected with single-chip microcomputer.
The base stage of described triode VT2 is connected with the colelctor electrode of triode VT1, its grounded collector; The N pole of described diode D2 is connected with the tie point of resistance R1 with resistance R4; The base stage of described triode VT3 and the emitter stage of triode VT1 jointly form the output of bootstrapping amplifying circuit and are connected with active filter circuit.
Meanwhile, described active filter circuit by FET MOS, triode VT4, resistance R2, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, diode D4, diode D5, diode D6, polar capacitor C5, polar capacitor C6, polar capacitor C7, polar capacitor C8, and polar capacitor C9 forms.
During connection, the P pole of diode D4 is connected with the base stage of triode VT3 after resistance R2 through resistance R9 in turn, N pole is connected with the drain electrode of FET MOS after resistance R13.The negative pole of polar capacitor C6 is connected with the OUT pin of driving chip U after resistance R10, positive pole is connected with the grid of FET MOS.The negative pole of polar capacitor C8 is connected with the N pole of diode D4 after resistance R14, positive pole is connected with the colelctor electrode of triode VT4 after resistance R15.The P pole of diode D5 is connected with the VF pin of driving chip U after resistance R11, its N pole is connected with the negative pole of polar capacitor C5, and the positive pole of described polar capacitor C5 is connected with the emitter stage of triode VT1 after resistance R8.
Wherein, the positive pole of polar capacitor C7 is connected with the source electrode of FET MOS, negative pole is connected with the N pole of diode D5 after resistance R12.One end of resistance R16 is connected with the colelctor electrode of triode VT4, the other end is connected with the negative pole of polar capacitor C7.The P pole of diode D6 is connected with the base stage of triode VT4, N pole is connected with the N pole of diode D5 after resistance R17.The positive pole of polar capacitor C9 is connected with the emitter stage of triode VT4, negative pole is extremely jointly formed with the output of power filter with the N of diode D6 and is connected with heating element CZ.The GND pin ground connection of described driving chip U.
When three lines of the present invention drive filter circuits work, when the heating temp of heating element CZ is lower than temperature value in the pre-storing module of temperature, the OUT pin of described driving chip U also exports high drive current.This high drive current is transferred to FET MOS after resistance R10 and polar capacitor C6 filters, this FET MOS starts electric discharge, described triode VT4 must conduct, described three lines drive filter circuit output HIGH current, now the heating temp of heating element CZ increases, and the temperature value in the heating temp of heating element CZ and the pre-storing module of temperature is consistent.
As mentioned above, just the present invention can well be realized.
Claims (6)
1. one kind drives the dryer temperature control system of filter circuit based on three lines, primarily of single-chip microcomputer, the pre-storing module of the display be all connected with single-chip microcomputer, temperature value, A/D analog-to-digital conversion module, heating element CZ and power supply, and the temperature inductor be connected with A/D analog-to-digital conversion module forms; It is characterized in that: between single-chip microcomputer and heating element CZ, be also serially connected with three lines drive filter circuit; Described three lines drive filter circuit by driving chip U, the bootstrapping amplifying circuit be connected with driving chip U, and the active filter circuit that input is connected with the output of bootstrapping amplifying circuit, its output is connected with heating element CZ forms; Described active filter circuit is connected with driving chip U.
2. a kind of dryer temperature control system driving filter circuit based on three lines according to claim 1, it is characterized in that, described bootstrapping amplifying circuit is by triode VT1, triode VT2, triode VT3, negative pole in turn resistance R1 is connected with the colelctor electrode of triode VT3 with after resistance R4 and diode D1, the polar capacitor C1 that positive pole is connected with the base stage of triode VT3, negative pole is connected with the base stage of triode VT3, the polar capacitor C2 that positive pole is connected with the negative pole of polar capacitor C1, one end is connected with the emitter stage of triode VT3, the resistance R3 that the other end is connected with the CMN pin of driving chip U, negative pole is connected with the CMN pin of driving chip U, the polar capacitor C4 that positive pole is connected with the VFB pin of driving chip U after resistance R5, P pole is connected with the VCC pin of driving chip U after polar capacitor C3, the diode D2 that N pole is connected with the colelctor electrode of triode VT1, the SEN pin of one end driving chip U is connected, the resistance R7 that the other end is connected with the base stage of triode VT2, P pole is connected with the VOC pin of driving chip U, the diode D3 that N pole is connected with the emitter stage of triode VT2, and one end is connected with the base stage of triode VT1, the resistance R6 that the input that the other end and the base stage of triode VT3 form bootstrapping amplifying circuit is jointly connected with single-chip microcomputer forms, the base stage of described triode VT2 is connected with the colelctor electrode of triode VT1, its grounded collector, the N pole of described diode D2 is connected with the tie point of resistance R1 with resistance R4, the base stage of described triode VT3 and the emitter stage of triode VT1 form the output of bootstrapping amplifying circuit jointly.
3. a kind of dryer temperature control system driving filter circuit based on three lines according to claim 2, it is characterized in that, described active filter circuit is by FET MOS, triode VT4, P pole is connected with the base stage of triode VT3 after resistance R2 through resistance R9 in turn, the diode D4 that N pole is connected with the drain electrode of FET MOS after resistance R13, negative pole is connected with the OUT pin of driving chip U after resistance R10, the polar capacitor C6 that positive pole is connected with the grid of FET MOS, negative pole is connected with the N pole of diode D4 after resistance R14, the polar capacitor C8 that positive pole is connected with the colelctor electrode of triode VT4 after resistance R15, P pole is connected with the VF pin of driving chip U after resistance R11, N pole is in turn through diode D5 that polar capacitor C5 is connected with the emitter stage of triode VT1 after resistance R8, positive pole is connected with the source electrode of FET MOS, the polar capacitor C7 that negative pole is connected with the N pole of diode D5 after resistance R12, one end is connected with the colelctor electrode of triode VT4, the resistance R16 that the other end is connected with the negative pole of polar capacitor C7, P pole is connected with the base stage of triode VT4, the diode D6 that N pole is connected with the N pole of diode D5 after resistance R17, and positive pole is connected with the emitter stage of triode VT4, the polar capacitor C9 that the N of negative pole and diode D6 is formed with the output of power filter extremely jointly forms, the GND pin ground connection of described driving chip U.
4. a kind of dryer temperature control system driving filter circuit based on three lines according to claim 3, it is characterized in that, described heating element CZ is spiral heat coil.
5. a kind of dryer temperature control system driving filter circuit based on three lines according to claim 4, is characterized in that, described display is have the display screen touching and regulate input function.
6. a kind of dryer temperature control system driving filter circuit based on three lines according to claim 5, it is characterized in that, described driving chip U is UC3843 integrated chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510859532.5A CN105509455A (en) | 2015-11-30 | 2015-11-30 | Dryer temperature control system based on three-wire-drive filter circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510859532.5A CN105509455A (en) | 2015-11-30 | 2015-11-30 | Dryer temperature control system based on three-wire-drive filter circuit |
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| CN105509455A true CN105509455A (en) | 2016-04-20 |
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| CN201510859532.5A Pending CN105509455A (en) | 2015-11-30 | 2015-11-30 | Dryer temperature control system based on three-wire-drive filter circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783450A (en) * | 2016-04-29 | 2016-07-20 | 四川蓉幸实业有限公司 | Multi-circuit temperature-control drying system for radix notoginseng |
| CN105865170A (en) * | 2016-04-26 | 2016-08-17 | 四川蓉幸实业有限公司 | High-precision cyclic heating drying system for rhizoma gastrodiae medicinal materials |
| CN105910399A (en) * | 2016-04-29 | 2016-08-31 | 四川蓉幸实业有限公司 | High-precision drying system for radix notoginseng medicine |
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Application publication date: 20160420 |