CN106200713A - For controlling high-precisive temperature controllers and the method for work thereof of hot box of texturing machine temperature - Google Patents
For controlling high-precisive temperature controllers and the method for work thereof of hot box of texturing machine temperature Download PDFInfo
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- CN106200713A CN106200713A CN201510227577.0A CN201510227577A CN106200713A CN 106200713 A CN106200713 A CN 106200713A CN 201510227577 A CN201510227577 A CN 201510227577A CN 106200713 A CN106200713 A CN 106200713A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 60
- 230000003750 conditioning effect Effects 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000009987 spinning Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
- G05D23/32—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature with provision for adjustment of the effect of the auxiliary heating device, e.g. a function of time
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Abstract
The present invention relates to a kind of temperature controller for controlling hot box of texturing machine temperature and method of work thereof, this temperature controller includes temperature measuring unit, and the temperature conditioning unit being connected with this temperature measuring unit；The multi-channel output of described temperature conditioning unit is connected with the control end of some hot tank respectively；The present invention first passes through bigness scale signal differential amplifying circuit by temperature sensor and the collection signal of temperature sensor is carried out bigness scale, then Multi-path reference voltage module switching Multi-path reference voltage is controlled according to bigness scale temperature, so that the accurate measurement temperature value that first processor module obtains, to reach the purpose of accurate thermometric, to realize further the temperature of each hot tank is accurately controlled.
Description
Technical field
The present invention relates to a kind of temperature controller for controlling hot box of texturing machine temperature and method of work thereof.
Background technology
Existing elasticizer generally adjusts the heating-up temperature of spinning when spinning material carrying out elastic force and processing by hot tank, and the computer heating control of existing equipment is inaccurate or heats uneven, and automaticity is low, have impact on efficiency and the quality of spinning.
Summary of the invention
It is an object of the invention to provide a kind of temperature controller and method of work thereof, to realize improving temperature acquisition precision.
In order to solve above-mentioned technical problem, the invention provides a kind of temperature controller, including: temperature measuring unit, and the temperature conditioning unit being connected with this temperature measuring unit；The multi-channel output of described temperature conditioning unit is connected with the control end of some hot tank respectively.
Further, described temperature measuring unit includes: bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit, Multi-path reference voltage module and first processor module；Wherein, described Multi-path reference voltage module is adapted to provide for bigness scale signal differential amplifying circuit and the bigness scale reference voltage of accurate measurement signal differential amplifying circuit and accurate measurement reference voltage；Described bigness scale signal differential amplifying circuit is suitable to first processor module, the temperature signal transmission of one temperature sensor collection is carried out bigness scale；Described first processing module is suitable to control Multi-path reference voltage module according to bigness scale temperature value and switches corresponding accurate measurement reference voltage, so that the accurate measurement temperature value that first processor module obtains.
Further, described Multi-path reference voltage module includes: first passage analog switch, and the outfan of this first passage analog switch is connected with the reference voltage terminal of accurate measurement signal differential amplifying circuit；The multi-channel PWM signal output part of described first processor module is connected with the multi-channel input of first passage analog switch by the corresponding circuit of adjusting that filters respectively.
Further, described temperature controller also includes the second channel analog switch being positioned at temperature controller temperature signal input, and the outfan of this second channel analog switch is connected with the input of bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit；Described second channel analog switch is controlled switching by described first processor module.
Further, arbitrary described filtering outfan of circuit of adjusting is connected with the reference voltage terminal of bigness scale signal differential amplifying circuit.
Further, the second processor module in described temperature conditioning unit is also connected with host computer, and the multi-channel output of described second processor module is connected with hot tank by solid-state relay respectively.
Another aspect, present invention also offers the method for work of a kind of temperature controller, including:
Step S1, bigness scale, the most first temperature sensor signal is carried out bigness scale through the transmission of bigness scale signal differential amplifying circuit to first processor module；Step S2, accurate measurement, the most described first processor module selects accurate measurement signal differential amplifying circuit corresponding accurate measurement reference voltage according to bigness scale temperature value, so that the accurate measurement temperature value that first processor module obtains.
Further, the reference voltage of described bigness scale signal differential amplifying circuit and accurate measurement signal differential amplifying circuit is provided respectively by Multi-path reference voltage module；Described first processing module is suitable to control Multi-path reference voltage module according to bigness scale temperature value and switches corresponding accurate measurement reference voltage.
Further, described Multi-path reference voltage module includes: first passage analog switch, and the outfan of this first passage analog switch is connected with the reference voltage terminal of accurate measurement signal differential amplifying circuit；The multi-channel PWM signal output part of described first processor module is connected with the multi-channel input of first passage analog switch by the corresponding circuit of adjusting that filters respectively；
Further, described temperature controller also includes the second channel analog switch being positioned at temperature controller temperature signal input, and the outfan of this second channel analog switch is connected with the input of bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit；Described second channel analog switch is controlled switching by described first processor module.
The invention has the beneficial effects as follows, the present invention first passes through bigness scale signal differential amplifying circuit by temperature sensor and the collection signal of temperature sensor is carried out bigness scale, then control Multi-path reference voltage module according to bigness scale temperature and switch corresponding accurate measurement reference voltage, so that the accurate measurement temperature value that first processor module obtains, to reach the purpose of accurate thermometric, to realize further the temperature of each hot tank is accurately controlled.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the theory diagram of the elasticizer being suitable to high accuracy temperature control of the present invention；
The filtering of Fig. 2 present invention is adjusted the circuit diagram of circuit；
Fig. 3 is the circuit theory diagrams of the bigness scale signal differential amplifying circuit of the present invention；
Fig. 4 is the circuit theory diagrams of the accurate measurement signal differential amplifying circuit of the present invention.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
Embodiment 1
As it is shown in figure 1, the invention provides a kind of temperature controller, including: temperature measuring unit, and the temperature conditioning unit being connected with this temperature measuring unit；The multi-channel output of described temperature conditioning unit is connected with the control end of some hot tank respectively.Described temperature controller can be widely applied to control hot box of texturing machine temperature and controls.
Concrete, described temperature measuring unit includes: bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit, Multi-path reference voltage module and first processor module；Wherein, described Multi-path reference voltage module is adapted to provide for bigness scale signal differential amplifying circuit and the bigness scale reference voltage of accurate measurement signal differential amplifying circuit and accurate measurement reference voltage；Described bigness scale signal differential amplifying circuit is suitable to first processor module, the temperature signal transmission of one temperature sensor collection is carried out bigness scale；Described first processing module is suitable to control Multi-path reference voltage module according to bigness scale temperature and switches corresponding accurate measurement reference voltage (ADREF), so that the accurate measurement temperature value that first processor module obtains.
Owing to bigness scale signal differential amplifying circuit uses fixing reference voltage value to compare, therefore, under different temperature conditionss, this temperature value measurement is coarse, high-precision temperature acquisition requirement cannot be met, therefore, in order to reach the purpose of accurate temperature controlling, need temperature is carried out precise acquisition, the present invention is the bigness scale value obtaining temperature by temperature first carries out an initial acquisition (bigness scale), then according to this value select corresponding accurate measurement reference voltage, again measure so that first processor module obtain accurate measurement temperature value.
Concrete, if first processor module is without AD submodule, the most described bigness scale signal differential amplifying circuit is connected with first processor module by the first AD conversion module, and described accurate measurement signal differential amplifying circuit is connected with first processor module by the second AD conversion module.Wherein, the optional embodiment about bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit sees the content of example 3 below.
As in figure 2 it is shown, described Multi-path reference voltage module includes: first passage analog switch, the outfan of this first passage analog switch is connected with the reference voltage terminal of accurate measurement signal differential amplifying circuit；The multi-channel PWM signal output part of described first processor module is connected with the multi-channel input of first passage analog switch by the corresponding circuit of adjusting that filters respectively.Concrete, described filtering circuit of adjusting includes resistance R1, resistance R2, electric capacity C1 and electric capacity C2, described resistance R1 and resistance R2 series connection, and it is connected electric capacity C1 in one end that resistance R1 and resistance R2 is connected, the other end of resistance R2 connects electric capacity C2, circuit of being adjusted after filtering by pwm signal produces the most constant magnitude of voltage, simultaneously can also be according to the size of this magnitude of voltage of duty cycle adjustment of pwm signal.
Multi way temperature sensor can be connected to meet temperature controller temperature signal input, described temperature controller also includes the second channel analog switch being positioned at temperature controller temperature signal input, and the outfan of this second channel analog switch is connected with the input of bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit；Described second channel analog switch is controlled switching by described first processor module.
Optionally, arbitrary described filtering outfan of circuit of adjusting is connected with the reference voltage terminal of bigness scale signal differential amplifying circuit (reference voltage ADREF0)；Or individually there is a series connection bleeder circuit to provide.
Further, the second processor module in described temperature conditioning unit is also connected with host computer (being carried out data transmission by ModbusRTU agreement), and the multi-channel output of described second processor module is connected with hot tank by solid-state relay respectively.
Described first and second processor module can use embedded 32 bit processors, such as chip STM32F103C8T6, and described first and second processor module passes through high-speed CAN-BUS bus communication.Described first, second tunnels analogy switch is such as but not limited to using CD4051.
Embodiment 2
On the basis of embodiment 1, present invention also offers the method for work of a kind of temperature controller, including:
Step S1, bigness scale, the most first temperature sensor signal is carried out bigness scale through the transmission of bigness scale signal differential amplifying circuit to first processor module；Step S2, accurate measurement, the most described first processor module selects accurate measurement signal differential amplifying circuit corresponding accurate measurement reference voltage according to bigness scale temperature value, so that the accurate measurement temperature value that first processor module obtains.
Described first processor module is suitable to according to accurate measurement temperature value heat outputting temperature control signal；Concrete, according to accurate measurement temperature value compared with preset temperature value, with heat outputting temperature control signal.
The reference voltage of described bigness scale signal differential amplifying circuit and accurate measurement signal differential amplifying circuit is provided respectively by Multi-path reference voltage module；Described first processing module is suitable to control Multi-path reference voltage module according to bigness scale temperature value and switches corresponding accurate measurement reference voltage.
Described Multi-path reference voltage module includes: first passage analog switch, and the outfan of this first passage analog switch is connected with the reference voltage terminal of accurate measurement signal differential amplifying circuit；
The multi-channel PWM signal output part of described first processor module is connected with the multi-channel input of first passage analog switch by the corresponding circuit of adjusting that filters respectively；
Further, described temperature controller also includes the second channel analog switch being positioned at temperature controller temperature signal input, and the outfan of this second channel analog switch is connected with the input of bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit；Described second channel analog switch is controlled switching by described first processor module.
Embodiment 3
On the basis of embodiment 1 and embodiment 2, present invention also offers a kind of optional embodiment of bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit.
As Fig. 3 and Fig. 4 respectively illustrates bigness scale signal differential amplifying circuit and the circuit diagram of accurate measurement signal differential amplifying circuit.Described bigness scale reference voltage circuit uses series connection bleeder circuit, resistance R11 and resistance R22 constitutes bigness scale reference voltage circuit, this bigness scale reference voltage circuit is connected with differential comparator U1B by a follower U1A, port ADIN is connected with the outfan of described first multichannel analog switch, and port AD_1 and the first AD conversion module are connected.
Such as Fig. 4, the outfan that described accurate measurement signal differential amplifying circuit accesses the first multichannel analog switch by port ADIN is connected, and is connected, to obtain accurate measurement gear reference voltage by the outfan of port ADREF and the second multichannel analog switch；Described port ADIN and port ADREF is connected with two inputs of differential comparator U2C by corresponding follower U2A, U2B respectively, and the outfan of this differential comparator U2C is by being connected with phase comparator U2D and the second AD conversion module.
Concrete, described first, second AD conversion module is connected with first processor module by corresponding SPI interface.Described hot tank is suitable to control heater by solid-state relay and works.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the range of without departing from this invention technological thought.The content that the technical scope of this invention is not limited in description, it is necessary to determine its technical scope according to right.
Claims (10)
1. a temperature controller, it is characterised in that including: temperature measuring unit, and the temperature conditioning unit being connected with this temperature measuring unit；
The multi-channel output of described temperature conditioning unit is connected with the control end of some hot tank respectively.
Temperature controller the most according to claim 1, it is characterised in that described temperature measuring unit includes: bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit, Multi-path reference voltage module and first processor module；Wherein
Described Multi-path reference voltage module is adapted to provide for bigness scale signal differential amplifying circuit and the bigness scale reference voltage of accurate measurement signal differential amplifying circuit and accurate measurement reference voltage；
Described bigness scale signal differential amplifying circuit is suitable to first processor module, the temperature signal transmission of one temperature sensor collection is carried out bigness scale；
Described first processing module is suitable to control Multi-path reference voltage module according to bigness scale temperature value and switches corresponding accurate measurement reference voltage, so that the accurate measurement temperature value that first processor module obtains.
Temperature controller the most according to claim 2, it is characterised in that described Multi-path reference voltage module includes: first passage analog switch, the outfan of this first passage analog switch is connected with the reference voltage terminal of accurate measurement signal differential amplifying circuit；
The multi-channel PWM signal output part of described first processor module is connected with the multi-channel input of first passage analog switch by the corresponding circuit of adjusting that filters respectively.
Temperature controller the most according to claim 3, it is characterized in that, described temperature controller also includes the second channel analog switch being positioned at temperature controller temperature signal input, and the outfan of this second channel analog switch is connected with the input of bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit；
Described second channel analog switch is controlled switching by described first processor module.
Temperature controller the most according to claim 4, it is characterised in that arbitrary described filtering outfan of circuit of adjusting is connected with the reference voltage terminal of bigness scale signal differential amplifying circuit.
Temperature controller the most according to claim 5, it is characterised in that the second processor module in described temperature conditioning unit is also connected with host computer, and the multi-channel output of described second processor module is connected with hot tank by solid-state relay respectively.
7. the method for work of a temperature controller, it is characterised in that including:
Step S1, bigness scale, the most first temperature sensor signal is carried out bigness scale through the transmission of bigness scale signal differential amplifying circuit to first processor module；
Step S2, accurate measurement, the most described first processor module selects accurate measurement signal differential amplifying circuit corresponding accurate measurement reference voltage according to bigness scale temperature value, with the accurate measurement temperature value obtained.
Method of work the most according to claim 7, it is characterised in that the reference voltage of described bigness scale signal differential amplifying circuit and accurate measurement signal differential amplifying circuit is provided respectively by Multi-path reference voltage module；
Described first processing module is suitable to control Multi-path reference voltage module according to bigness scale temperature value and switches corresponding accurate measurement reference voltage.
Method of work the most according to claim 8, it is characterised in that described Multi-path reference voltage module includes: first passage analog switch, the outfan of this first passage analog switch is connected with the reference voltage terminal of accurate measurement signal differential amplifying circuit；
The multi-channel PWM signal output part of described first processor module is connected with the multi-channel input of first passage analog switch by the corresponding circuit of adjusting that filters respectively.
Method of work the most according to claim 9, it is characterized in that, described temperature controller also includes the second channel analog switch being positioned at temperature controller temperature signal input, and the outfan of this second channel analog switch is connected with the input of bigness scale signal differential amplifying circuit, accurate measurement signal differential amplifying circuit；
Described second channel analog switch is controlled switching by described first processor module.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781619.4A CN107479594B (en) | 2015-05-06 | 2015-05-06 | High-precision temperature controller adopting processor module and working method thereof |
| CN201510227577.0A CN106200713B (en) | 2015-05-06 | 2015-05-06 | For controlling the high-precisive temperature controllers of hot box of texturing machine temperature |
| CN201710781620.7A CN107491115B (en) | 2015-05-06 | 2015-05-06 | A kind of high-precisive temperature controllers and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510227577.0A CN106200713B (en) | 2015-05-06 | 2015-05-06 | For controlling the high-precisive temperature controllers of hot box of texturing machine temperature |
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| CN201710781619.4A Division CN107479594B (en) | 2015-05-06 | 2015-05-06 | High-precision temperature controller adopting processor module and working method thereof |
| CN201710781620.7A Division CN107491115B (en) | 2015-05-06 | 2015-05-06 | A kind of high-precisive temperature controllers and its working method |
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| CN106200713A true CN106200713A (en) | 2016-12-07 |
| CN106200713B CN106200713B (en) | 2017-11-10 |
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| CN201510227577.0A Active CN106200713B (en) | 2015-05-06 | 2015-05-06 | For controlling the high-precisive temperature controllers of hot box of texturing machine temperature |
| CN201710781619.4A Expired - Fee Related CN107479594B (en) | 2015-05-06 | 2015-05-06 | High-precision temperature controller adopting processor module and working method thereof |
| CN201710781620.7A Active CN107491115B (en) | 2015-05-06 | 2015-05-06 | A kind of high-precisive temperature controllers and its working method |
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| CN201710781619.4A Expired - Fee Related CN107479594B (en) | 2015-05-06 | 2015-05-06 | High-precision temperature controller adopting processor module and working method thereof |
| CN201710781620.7A Active CN107491115B (en) | 2015-05-06 | 2015-05-06 | A kind of high-precisive temperature controllers and its working method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525267A (en) * | 2016-12-16 | 2017-03-22 | 山东金洲科瑞节能科技有限公司 | Bus type temperature measuring device |
| CN113703594A (en) * | 2021-08-31 | 2021-11-26 | 北京云蝶智学科技有限公司 | Control method of input device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115852347B (en) * | 2022-12-28 | 2024-07-02 | 楚赟精工科技(上海)有限公司 | Temperature control device and method and chemical vapor deposition equipment |
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- 2015-05-06 CN CN201510227577.0A patent/CN106200713B/en active Active
- 2015-05-06 CN CN201710781619.4A patent/CN107479594B/en not_active Expired - Fee Related
- 2015-05-06 CN CN201710781620.7A patent/CN107491115B/en active Active
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| JPS61209331A (en) * | 1985-03-14 | 1986-09-17 | Mitsubishi Electric Corp | Input apparatus of temperature measuring resistor |
| CN101446494A (en) * | 2008-11-27 | 2009-06-03 | 北京航空航天大学 | Temperature detection circuit for satellite-borne optical fiber gyroscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106525267A (en) * | 2016-12-16 | 2017-03-22 | 山东金洲科瑞节能科技有限公司 | Bus type temperature measuring device |
| CN106525267B (en) * | 2016-12-16 | 2023-08-01 | 山东金洲科瑞节能科技有限公司 | Bus type temperature measuring device |
| CN113703594A (en) * | 2021-08-31 | 2021-11-26 | 北京云蝶智学科技有限公司 | Control method of input device |
| CN113703594B (en) * | 2021-08-31 | 2023-10-03 | 北京碧云数创科技有限公司 | Control method of input device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107479594B (en) | 2020-06-05 |
| CN107479594A (en) | 2017-12-15 |
| CN107491115A (en) | 2017-12-19 |
| CN107491115B (en) | 2019-12-03 |
| CN106200713B (en) | 2017-11-10 |
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