CN104199494A - Heating circuit used in biomass particle machine and provided with amplifying circuit - Google Patents
Heating circuit used in biomass particle machine and provided with amplifying circuit Download PDFInfo
- Publication number
- CN104199494A CN104199494A CN201410422816.3A CN201410422816A CN104199494A CN 104199494 A CN104199494 A CN 104199494A CN 201410422816 A CN201410422816 A CN 201410422816A CN 104199494 A CN104199494 A CN 104199494A
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- transport
- placing device
- chip microcomputer
- temperature sensor
- circuit
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Abstract
The invention discloses a heating circuit used in a biomass particle machine and provided with an amplifying circuit. The heating circuit comprises a resistance wire, a single chip microcomputer, a temperature sensor and a switching device, wherein the temperature sensor is arranged nearby a heating barrel and transfers an acquired temperature signal to the single chip microcomputer, the single chip microcomputer compares a temperature signal acquired by the temperature sensor with a set signal, sends a control signal to the switching device when the temperature signal acquired by the temperature sensor is equal to the set signal and accordingly enables the resistance wire and a power supply to be disconnected. A sampling circuit, a filer circuit and the amplifying circuit are sequentially connected between the temperature sensor and the single chip microcomputer, and the amplifying circuit comprises an operational amplifier A1, an operational amplifier A2 and a triode T1. The purpose of improving the rate of processed finished products and product quality is achieved through accuracy control on heating temperature.
Description
Technical field
The present invention relates to a kind of heater circuit for biomass granulation machine with amplifying circuit.
Background technology
At present; along with increasing the weight of of energy crisis; in the vast rural area of China, there is the phenomenon of a large amount of agricultural crop straw wastes; especially some places direct crop straw burning also; not only waste resource; while contaminated environment, and biomass granulation machine is reprocessed processing to agricultural crop straw, thus be processed into fixed fuel.And biomass granulation machine ring die forming machine, Flat die granulating machine, spiral forming machine, impact molding machine, roller pressing forming machine and hydraulic forming machine, the shortcoming of wherein encircling die forming machine is that (1) service part easily weares and teares; (2) lubricating and cooling agent loss is large.The shortcoming of Flat die granulating machine is that (1) service part easily weares and teares; (2) unit product energy loss is large; (3) high to the kind of raw material, granularity and moisture requirement.The deficiency of spiral forming machine is that its screw rod easily weares and teares.The shortcoming of impact molding machine is that (1) cost is high; (2) if pressure is excessive, dangerous large and be prone to " blowing out " phenomenon; (3) to material water ratio, require higher.The product density of roller pressing forming machine is low, easily broken.There is not above-mentioned defect in hydraulic forming machine.And hydraulic forming machine principle of work is first in cartridge heater, stalk to be heated, then be that oil pump is under driven by motor, oil is pumped into a chamber of oil cylinder by reversal valve, electric energy conversion is become to the pressure energy of liquid, driven plunger, piston rod, jumper bar are to an end motion, and jumper bar is pressed into the living beings in cartridge heater in the taper sheath in molding sleeve, and stalk, under the effect of mechanical pressure and temperature, plastic yield occurs, stalk is squeezed into after moulding stick, after protecting the steady type of type tube, extrudes.Under the effect of reversal valve, oil is pumped to another chamber of oil cylinder, and piston, piston rod, jumper bar move to the other end, complete other end moulding.But heating-up temperature is controlled at the punching press interval of now control of temperature often rule of thumb being set to oil pump, but all can impact the heat time along with machine work causes the inner temperature rising of machinery and the error of machine work, thereby yield rate and the product quality of impact processing.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of heater circuit for biomass granulation machine with amplifying circuit, to realize, improve the yield rate of processing and the advantage of product quality.
For achieving the above object, the technical solution used in the present invention is:
A kind of heater circuit for biomass granulation machine with amplifying circuit, comprise resistance wire, single-chip microcomputer, temperature sensor and switching device, described temperature sensor is arranged near cartridge heater, and the temperature signal of collection is passed to single-chip microcomputer, described single-chip microcomputer compares the temperature signal of temperature sensor collection and setting signal, when the temperature signal of sensor collection equals setting signal, described single-chip microcomputer sends control signal to switching device, thereby the connection of off resistance silk and power supply, between described temperature sensor and single-chip microcomputer, be connected successively sample circuit, filtering circuit and amplifying circuit, described amplifying circuit comprises transport and placing device A1, transport and placing device A2 and triode T1, the inverting input resistance in series R1 of described transport and placing device A1, series diode D1 and capacitor C 1 between the output terminal of the in-phase input end of transport and placing device A1 and transport and placing device A1, the anode of this diode D1 is connected with the in-phase input end of transport and placing device A1, the negative electrode of diode D1 is connected with capacitor C 1, the output terminal of described transport and placing device A1 is connected with the base stage of triode T1, and the inter-collector of the inverting input of transport and placing device A1 and triode T1 is resistance in series R2 and resistance R 3 successively, the collector of triode T1 is connected with the in-phase input end of transport and placing device A2, and series capacitance C2 between the in-phase input end of transport and placing device A2 and ground, resistance in series R4 between the output terminal of the inverting input of described transport and placing device A2 and transport and placing device A2, described transport and placing device A2 the output terminal ground connection of connecting with resistance R 6.
Preferably, described switching device is relay or transistor circuit.
Preferably, described temperature sensor is a plurality of, and a plurality of these temperature sensors are evenly distributed on the outer wall of cartridge heater.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention is by set temperature sensor on cartridge heater; and the control to relay by single-chip microcomputer; control heating-up temperature; when temperature reaches design temperature, while single-chip microcomputer sends signal to the controller of biomass granulation machine; the work of the controller control oil pump of biomass granulation machine; thereby the control temperature of precision, reaches and improves the yield rate of processing and the object of product quality.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the biomass granulation machine punch components described in the embodiment of the present invention;
Fig. 2 is the theory diagram of the heater circuit described in the embodiment of the present invention;
The electronic circuitry of the amplifying circuit described in Fig. 3 embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
As shown in Figure 1, in the punching cylinder of biomass granulation machine, mainly contain master cylinder drift 1, precompression cylinder drift 4 and forming tube 2, the interior placement material 3 of forming tube 2, this material 3 transmits in cartridge heater.
As shown in Figure 2; the heater circuit that biomass granulation machine arranges; comprise resistance wire, single-chip microcomputer, temperature sensor and switching device; described temperature sensor is arranged near cartridge heater; and the temperature signal of collection is passed to single-chip microcomputer, described single-chip microcomputer compares the temperature signal of temperature sensor collection and setting signal, when the temperature signal of sensor collection equals setting signal; described single-chip microcomputer sends control signal to switching device, thus the connection of off resistance silk and power supply.And be connected successively sample circuit between temperature sensor and single-chip microcomputer, filtering circuit and amplifying circuit, amplifying circuit as shown in Figure 3, comprise transport and placing device A1, transport and placing device A2 and triode T1, the inverting input resistance in series R1 of transport and placing device A1, series diode D1 and capacitor C 1 between the output terminal of the in-phase input end of transport and placing device A1 and transport and placing device A1, the anode of this diode D1 is connected with the in-phase input end of transport and placing device A1, the negative electrode of diode D1 is connected with capacitor C 1, the output terminal of transport and placing device A1 is connected with the base stage of triode T1, and the inter-collector of the inverting input of transport and placing device A1 and triode T1 is resistance in series R2 and resistance R 3 successively, the collector of triode T1 is connected with the in-phase input end of transport and placing device A2, and series capacitance C2 between the in-phase input end of transport and placing device A2 and ground, resistance in series R4 between the output terminal of the inverting input of transport and placing device A2 and transport and placing device A2, transport and placing device A2 the output terminal ground connection of connecting with resistance R 6.
Preferably, described switching device is relay or transistor circuit.
Preferably, described temperature sensor is a plurality of, and a plurality of these temperature sensors are evenly distributed on the outer wall of cartridge heater.
Simultaneously in order to make the control of temperature more accurate, on the resistance wire that is used for heating and the wire between power supply, Hall current sensor is set, this Hall current sensor to single-chip microcomputer, is verified the current signal transfer gathering with the signal to temperature sensor.Thereby improve temperature controlled accuracy.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a heater circuit for biomass granulation machine with amplifying circuit, it is characterized in that, comprise resistance wire, single-chip microcomputer, temperature sensor and switching device, described temperature sensor is arranged near cartridge heater, and the temperature signal of collection is passed to single-chip microcomputer, described single-chip microcomputer compares the temperature signal of temperature sensor collection and setting signal, when the temperature signal of sensor collection equals setting signal, described single-chip microcomputer sends control signal to switching device, thereby the connection of off resistance silk and power supply, between described temperature sensor and single-chip microcomputer, be connected successively sample circuit, filtering circuit and amplifying circuit, described amplifying circuit comprises transport and placing device A1, transport and placing device A2 and triode T1, the inverting input resistance in series R1 of described transport and placing device A1, series diode D1 and capacitor C 1 between the output terminal of the in-phase input end of transport and placing device A1 and transport and placing device A1, the anode of this diode D1 is connected with the in-phase input end of transport and placing device A1, the negative electrode of diode D1 is connected with capacitor C 1, the output terminal of described transport and placing device A1 is connected with the base stage of triode T1, and the inter-collector of the inverting input of transport and placing device A1 and triode T1 is resistance in series R2 and resistance R 3 successively, the collector of triode T1 is connected with the in-phase input end of transport and placing device A2, and series capacitance C2 between the in-phase input end of transport and placing device A2 and ground, the inverting input of described transport and placing device A2 and transport and placing device A2 output terminal between resistance in series R4, the output terminal of the described transport and placing device A2 ground connection of connecting with resistance R 6.
2. a kind of heater circuit for biomass granulation machine with amplifying circuit according to claim 1, is characterized in that, described switching device is relay or transistor circuit.
3. a kind of heater circuit for biomass granulation machine with amplifying circuit according to claim 1 and 2, is characterized in that, described temperature sensor is a plurality of, and a plurality of these temperature sensors are evenly distributed on the outer wall of cartridge heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422816.3A CN104199494A (en) | 2014-08-26 | 2014-08-26 | Heating circuit used in biomass particle machine and provided with amplifying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422816.3A CN104199494A (en) | 2014-08-26 | 2014-08-26 | Heating circuit used in biomass particle machine and provided with amplifying circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104199494A true CN104199494A (en) | 2014-12-10 |
Family
ID=52084795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410422816.3A Pending CN104199494A (en) | 2014-08-26 | 2014-08-26 | Heating circuit used in biomass particle machine and provided with amplifying circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104199494A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5671115A (en) * | 1979-11-12 | 1981-06-13 | Matsushita Electric Ind Co Ltd | Temperature control device |
| CN201533301U (en) * | 2009-12-01 | 2010-07-21 | 苏州优达光电子有限公司 | Photosensitive receiving circuit for optoelectronic coupler |
| CN202027411U (en) * | 2011-05-13 | 2011-11-09 | 傅小红 | Intelligent electric kettle control device |
| CN102368163A (en) * | 2011-08-24 | 2012-03-07 | 苏州生物医学工程技术研究所 | Temperature control system with environment temperature compensating function |
| CN103735135A (en) * | 2013-12-09 | 2014-04-23 | 无锡市优耐特石化装备有限公司 | Intelligent egg storage device with amplifying circuit |
-
2014
- 2014-08-26 CN CN201410422816.3A patent/CN104199494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5671115A (en) * | 1979-11-12 | 1981-06-13 | Matsushita Electric Ind Co Ltd | Temperature control device |
| CN201533301U (en) * | 2009-12-01 | 2010-07-21 | 苏州优达光电子有限公司 | Photosensitive receiving circuit for optoelectronic coupler |
| CN202027411U (en) * | 2011-05-13 | 2011-11-09 | 傅小红 | Intelligent electric kettle control device |
| CN102368163A (en) * | 2011-08-24 | 2012-03-07 | 苏州生物医学工程技术研究所 | Temperature control system with environment temperature compensating function |
| CN103735135A (en) * | 2013-12-09 | 2014-04-23 | 无锡市优耐特石化装备有限公司 | Intelligent egg storage device with amplifying circuit |
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Application publication date: 20141210 |