CN201060422Y - Cocoon-cooking temperature automatic control device - Google Patents
Cocoon-cooking temperature automatic control device Download PDFInfo
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- CN201060422Y CN201060422Y CNU2007201230932U CN200720123093U CN201060422Y CN 201060422 Y CN201060422 Y CN 201060422Y CN U2007201230932 U CNU2007201230932 U CN U2007201230932U CN 200720123093 U CN200720123093 U CN 200720123093U CN 201060422 Y CN201060422 Y CN 201060422Y
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Abstract
The utility model provides an automatic continuous temperature control device in reeling production cocoon boiling process, which comprises a cocoon boiling temperature adjustment loop which consists of a temperature measurement part, a temperature display and control part and an automatic regulating valve part. A temperature measuring sensor of the temperature measurement part is arranged in a boiling house of a cocoon boiling machine to monitor real-timely the boiling temperature and converts and transmits the temperature signal to the distant temperature display and control part for display and comparison with a set value according to process requirement. After PID ( proportional integral and derivative) operations, the comparison result is used for controlling the opening and closing of the automatic regulating valve arranged in the inlet steam pipe of the cocoon boiling house to adjust the amount of steam supplied to the boiling house to achieve the automatic continuous control over the cocoon boiling temperature. The cocoon boiling machine main steam inlet pipeline can also be provided with a steam pressure adjustment loop. The device has high control accuracy, can solve the problems of rawly or over-boiled cocoons due to boiler steam supply fluctuation, production condition changing and non-prompt manual control, thereby dramatically improving the boiling quality and raw silk product quality.
Description
Technical field
The utility model relates to the automatic temperature control in the reeling silk production process, particularly a kind of cocoon cooking automatic temperature control.
Background technology:
The cocoon cooking operation is the important step that filature is produced, and the most important technology controlling and process index of this operation is the cocoon cooking temperature.The temperature controlled quality of cocoon cooking, the quality of raw material cocoon boiling will directly be had influence on, temperature is crossed low or too high, the silk cocoon boiling must be crossed give birth to or overdone result can directly have influence on technic index and economic targets such as the quality index such as cleaning, cleaning of raw silk product and consumption of raw materials, reel silk from cocoons folding, Xie Shu.
At present, the temperature control of cocoon cooking machine, the main method that adopts is at some position of cocoon cooking machine bimetallic system cell to be installed or mercury-in-glass thermometer carries out thermometric, the workman is according to the indication of thermometer pointer or the aperture of coming the switch steam valve by hand by experience, carry out the adjustment of cocoon cooking temperature, this method measuring accuracy is low, labor strength is big, and can't accomplish to adjust continuously steam valve by hand, when especially big the or production status of boiler steam supply fluctuation changes greatly, can't be controlled at the cocoon cooking temperature in the scope of technological requirement at all.The reeling mill that has, once the break-make of using solenoid control steam is in the hope of reaching the purpose of control boiling temperature, but this method one is the solenoid valve break-make to be damaged frequently and easily, the 2nd, because this control mode is one logical one disconnected (standard-sized sheet or complete shut-down mode) switch steam " two formulas " control, because one logical one of steam breaks, make the temperature of cure bag fluctuate up and down, thereby make the cocoon cage when the cure bag, occur overdone mistake on the contrary and cook the uneven situation of cocoon rawly.
The utility model content:
The technical problems to be solved in the utility model is: a kind of measuring accuracy height is provided, and can accurately measure cocoon cooking machine cure bag temperature continuously, and by PID controller and automatic regulating valve adjusting, realize cocoon cooking temperature cocoon cooking automatic temperature control stably continuously, to solve filature cocoon cooking big and production status variation, the untimely problem that causes that cocoon cooking is wilfully ripe partially of manual control because of the fluctuation of boiler steam supply.
The technical scheme that solves the problems of the technologies described above is: a kind of cocoon cooking automatic temperature control, this device comprise the cocoon cooking adjustment loop of partly being made up of temperature survey part, temperature display control section and automatic regulating valve:
Described temperature survey partly comprises the temperature probe that is installed in the cocoon cooking machine cure bag, the cocoon cooking temperature is measured to become in real time send teletransmission to the temperature display controller;
Described temperature display control section comprises digital temperature display, technological temperature setting apparatus and PID arithmetic and control unit, the temperature signal that temperature probe is sent is converted to real-time temperature value and shows, simultaneously the predefined temperature value of this temperature value and technological requirement is compared, the result delivers to the PID arithmetic and control unit, and controller is exported corresponding electric signal teletransmission to automatic regulating valve;
Described automatic regulating valve partly comprises topworks, valve and valve location feedback element, automatic regulating valve is installed in the cocoon cooking machine cure bag inlet steam pipeline, the valve opening control signal that its topworks's response controller is sent here, and being converted into corresponding mechanical shift, the spool that promotes valve moves.
Further technical scheme of the present utility model is: described cocoon cooking automatic temperature control also comprises a vapor pressure regulating loop of partly being made up of pressure survey part, pressure display control section and automatic regulating valve;
Described pressure survey partly comprises root stop valve and connecting pipe, pressure transducer; Pressure transducer is installed in the main steam range before the cocoon cooking machine steam inlet by root stop valve and connecting pipe, is converted to the form of electric signal with entering pressure among the cocoon cooking machine steam inlet house steward, with the vapor pressure the signal is far passed to the pressure display control section;
Described pressure display control section comprises pressure display unit, pressure setting apparatus and PID (proportion integration differentiation) arithmetic and control unit; The vapor pressure conversion of signals that pressure display unit sends pressure transducer is real-time vapour pressure value and shows, simultaneously the predefined vapour pressure value of this vapour pressure value and technological requirement is compared, the result delivers to the PID arithmetic and control unit, and controller is exported corresponding electric signal teletransmission to automatic regulating valve;
Described automatic regulating valve comprises topworks, valve and valve location (aperture) feedback element; Automatic regulating valve is installed in the preceding main steam range of cocoon cooking machine steam inlet, the valve opening control signal that its topworks's response controller is sent here, and be converted into corresponding mechanical shift, the spool that promotes valve moves.
Because adopt said structure, the beneficial effect of the cocoon cooking automatic temperature control of the utility model is:
Thereby the cooking quality that 1, improves the filature cocoon cooking greatly improves the quality of raw silk product: adopt this device can realize cocoon cooking temperature control robotization, temperature control continuously, steadily, precision high (control accuracy can reach ± 1%), can effectively solve filature cocoon cooking big and production status variation, the untimely problem that causes that cocoon cooking is wilfully ripe partially of manual control because of boiler steam supply fluctuation, thereby the cooking quality that improves the filature cocoon cooking greatly improves the quality of raw silk product, improves reelability percentage and falls low filature fold; 2, adopt vapor pressure regulating loop and the classification of cocoon cooking temperature adjustment loop to regulate, can improve ability, raising controlling performance that the cocoon cooking automatic temperature control overcomes various disturbances greatly.The utility model cocoon cooking automatic temperature control is earlier stablized pressure among the cocoon cooking machine inlet steam house steward by the vapor pressure regulating loop, eliminate the problem that the fluctuation of boiler steam supply vapour pressure causes admission house steward pressure instability greatly in advance, by the adjustment loop cocoon cooking machine cure bag temperature is regulated again, can improve ability, raising controlling performance that device overcomes various disturbances greatly.3, raise labour productivity, alleviate cocoon cooking worker's labour intensity; 4, the cocoon cooking automatic temperature control is simple in structure, and operation and maintenance is easy.
Below, the technical characterictic to the cocoon cooking automatic temperature control of the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings:
Fig. 1: the composition block scheme of the cocoon cooking automatic temperature control of the utility model and installation site synoptic diagram;
Fig. 2: the structural representation of the utility model embodiment one cocoon cooking automatic temperature control;
Fig. 3: the structural representation of the utility model embodiment two cocoon cooking automatic temperature controls;
Fig. 4: temperature probe is in cocoon cooking machine cure bag scheme of installation example;
The A portion enlarged drawing of Fig. 5: Fig. 4.
Among the figure:
I-temperature survey part, II-temperature display control section, III-automatic regulating valve part,
IV-filature cocoon cooking machine, IV-1-filature cocoon cooking machine steaming stage, IV-2-filature cocoon cooking machine is adjusted section,
IV-3-filature cocoon cooking machine outlet section, V-steam pipe, X-water pipe;
IV-pressure survey part, VII-pressure display control section, VIII-automatic regulating valve part,
IX-workshop cocoon cooking main steam range;
11-thermometric thermal resistance, 12-protective casing, 13-terminal box, 14-triple cable, 15-screw thread short tube, 16-screw thread, 17-gland, 18-airtight and watertight padding; 21-digital temperature display, 22-technological temperature setting apparatus, 23-PID arithmetic and control unit; 41-cocoon cooking machine cure bag outer wall, 42-cocoon cooking machine cure bag, the inner cocoon cage of 43-cocoon cooking machine cure bag, 44-steam hole pipe, 71-pressure display unit, 72-operation pressure setting apparatus, 73-PID arithmetic and control unit.
Embodiment:
Embodiment one:
A kind of cocoon cooking automatic temperature control, as shown in Figure 1 and Figure 2, this device comprises the cocoon cooking adjustment loop of being made up of temperature survey part I, temperature display control section II and automatic regulating valve part III, temperature survey part I comprises thermometric thermal resistance 11, protective casing 12 and terminal box 13, and temperature display control section II comprises digital temperature display 21, technological temperature setting apparatus 22 and PID arithmetic and control unit 23;
Thermometric thermal resistance 11 inserts cocoon cooking machine cure bag outer wall 41 by protective casing 12 and is fixed in the middle of cocoon cooking machine cure bag 42 inner cocoon cages 43 and the steam hole pipe 44; the thermometric thermal resistance is corresponding resistance signal with the temperature transition in the cure bag; through terminal box 13 and triple cable 14; transfer to temperature display control section II; demonstrate temperature value t real-time in the cure bag by temperature indicator 21; this temperature value is compared with the setting value T of technological temperature setting apparatus 22 simultaneously; send control signal after 23 computings of deviate Δ e process PID controller and be sent to automatic regulating valve III; by the aperture signal of automatic regulating valve III according to the PID controller; and be converted into corresponding mechanical shift; the spool that promotes valve moves; thereby by-pass valve control is realized 0～100% continuously adjustable aperture and is changed; enter the size of the quantity of steam of cure bag with control; reaching control cure bag cocoon cooking temperature remains in the temperature range of technique initialization; through use measuring, control accuracy can reach ± and 1%.
Fig. 4 is that thermometric thermal resistance 11 is installed legend at the cocoon cooking machine cure bag; perforate on cocoon cooking machine cure bag outer wall 41 correct positions; be inserted with the screw thread short tube 15 of internal and external threads; two screw thread 16 fastenings; on temperature probe protective casing 12, twine airtight and watertight padding 18; and inject in the screw thread short tube 15, two screws in gland 17 and compresses.
Its course of work is: when cocoon cooking temperature t ℃ raise-→ make thermometric thermal resistance resistance raise-→ display displays temperature t raises-→ with the temperature value T that sets relatively, deviate Δ e increases-→ PID controller output signal value increases-→ spool of automatic regulating valve toward the closing direction action-→ make quantity of steam reduce-→ the cure bag temperature descends-→ decline of cocoon cooking temperature;
With above controlling party be to the opposite course of work: when cocoon cooking temperature t ℃ descend-→ make thermometric thermal resistance resistance descend-→ display displays temperature t descends-→ with the temperature value T that sets relatively, deviate Δ e reduces-→ PID controller output signal value reduces-→ spool of automatic regulating valve toward valve open big direction action-→ make quantity of steam increase-→ the cure bag temperature rises-→ rising of cocoon cooking temperature;
Above-mentioned two kinds of controlling parties to the course of work go round and begin again, can realize that the cocoon cooking temperature is controlled on the temperature value of technique initialization automatically.
Embodiment two:
A kind of cocoon cooking automatic temperature control of carrying vapour pressure regulation circuit, as Fig. 1, shown in Figure 3, this cocoon cooking automatic temperature control is except that comprising the described cocoon cooking adjustment loop of being made up of temperature survey part I, temperature display control section II and automatic regulating valve part III of embodiment one, also comprise a vapor pressure regulating loop of partly being made up of pressure survey part, pressure display control section and automatic regulating valve, this vapor pressure regulating loop is installed in before the cocoon cooking adjustment loop;
The vapor pressure regulating loop comprises pressure survey part of V I, pressure display control section VII and automatic regulating valve part of V III; Described pressure survey part of V I comprises root stop valve and connecting pipe, pressure transducer, pressure transducer is installed in the main steam range before the cocoon cooking machine steam inlet by root stop valve and connecting pipe, described pressure display control section comprises pressure display unit 71, pressure setting apparatus 72 and PID (proportion integration differentiation) arithmetic and control unit 73, and described automatic regulating valve comprises topworks, valve and valve location (aperture) feedback element; Automatic regulating valve is installed in the preceding main steam range of cocoon cooking machine steam inlet;
Pressure transducer is by root stop valve and connecting pipe, and the pressure in the main steam range that enters before the cocoon cooking machine steam inlet is converted to the form of electric signal, with the vapor pressure the signal is far passed to pressure display control section VII; Demonstrate real-time force value p in the main steam range that enters before the cocoon cooking machine steam inlet by pressure display unit 71, simultaneously the setting value P of this force value with operation pressure setting apparatus 72 compared, send control signal after 73 computings of deviate Δ e process PID controller and be sent to automatic regulating valve VIII, by the aperture signal of automatic regulating valve according to the PID controller, control enters the quantity of steam of cocoon cooking machine main steam range, and the pressure that enters the cocoon cooking machine main steam range is remained in the scope of technique initialization.
Its course of work is:
When the total pipe pressure of cocoon cooking machine steam inlet raise-→ make pressure sensor signal output raise-→ display show pressure p raise-→ with the pressure value P of setting relatively, deviate Δ e increases-→ PID controller output signal value increases-→ spool of automatic regulating valve toward the closing direction action-→ make to enter cocoon cooking machine steam inlet house steward quantity of steam and reduce-→ the total pipe pressure decline of cocoon cooking machine steam inlet;
With above controlling party be to the opposite course of work: when the total pipe pressure of cocoon cooking machine steam inlet descend-→ make pressure sensor signal output descend-→ display show pressure p descend-→ with the pressure value P of setting relatively, deviate Δ e reduces-→ PID controller output signal value reduces-→ spool of automatic regulating valve toward the valve opening position action-→ make to enter cocoon cooking machine steam inlet house steward quantity of steam and increase-→ the total pipe pressure rising of cocoon cooking machine steam inlet;
Above-mentioned two kinds of controlling parties to the course of work go round and begin again, can realize the total pipe pressure of cocoon cooking machine steam inlet is controlled in the technique initialization scope automatically, thereby more help cocoon cooking machine cure bag adjustment loop regulation and control cocoon cooking temperature, improve controlling performance.
As a kind of conversion of each embodiment of the utility model, temperature probe also can be selected occasionally other temperature probe element of thermoelectricity for use except that being the thermometric thermal resistance;
Described temperature display controller, can select to be designed to realize the unit display controller of pid control function circuit, also can select to be designed to intelligent PID display controller or Industrial Computer Control device or the Programmable Logic Controller that other adopts integrated circuit or single-chip microcomputer with discrete component.
Automatic regulating valve can select to be designed to the electrodynamic type automatic regulating valve, also can select to be designed to other automatic regulating valve, as: the pneumatic type automatic regulating valve.
Claims (7)
1. cocoon cooking automatic temperature control is characterized in that: this device comprises the cocoon cooking adjustment loop of partly being made up of temperature survey part, temperature display control section and automatic regulating valve:
Described temperature survey partly comprises the temperature probe that is installed in the cocoon cooking machine cure bag, the cocoon cooking temperature is measured to become in real time send teletransmission to the temperature display controller;
Described temperature display control section comprises digital temperature display, technological temperature setting apparatus and PID arithmetic and control unit, the temperature signal that temperature probe is sent is converted to real-time temperature value and shows, simultaneously the predefined temperature value of this temperature value and technological requirement is compared, the result delivers to the PID arithmetic and control unit, and controller is exported corresponding electric signal teletransmission to automatic regulating valve;
Described automatic regulating valve partly comprises topworks, valve and valve location feedback element, automatic regulating valve is installed in the cocoon cooking machine cure bag inlet steam pipeline, the valve opening control signal that its topworks's response controller is sent here, and being converted into corresponding mechanical shift, the spool that promotes valve moves.
2. cocoon cooking automatic temperature control according to claim 1 is characterized in that: described cocoon cooking automatic temperature control also comprises a vapor pressure regulating loop of partly being made up of pressure survey part, pressure display control section and automatic regulating valve;
Described pressure survey partly comprises root stop valve and connecting pipe, pressure transducer; Pressure transducer is installed in the main steam range before the cocoon cooking machine steam inlet by root stop valve and connecting pipe, is converted to the form of electric signal with entering pressure among the cocoon cooking machine steam inlet house steward, with the vapor pressure the signal is far passed to the pressure display control section;
Described pressure display control section comprises pressure display unit, pressure setting apparatus and PID (proportion integration differentiation) arithmetic and control unit; The vapor pressure conversion of signals that pressure display unit sends pressure transducer is real-time vapour pressure value and shows, simultaneously the predefined vapour pressure value of this vapour pressure value and technological requirement is compared, the result delivers to the PID arithmetic and control unit, and controller is exported corresponding electric signal teletransmission to automatic regulating valve;
Described automatic regulating valve comprises topworks, valve and valve location (aperture) feedback element; Automatic regulating valve is installed in the preceding main steam range of cocoon cooking machine cure bag steam inlet, the valve opening control signal that its topworks's response controller is sent here, and be converted into corresponding mechanical shift, the spool that promotes valve moves.
3. cocoon cooking automatic temperature control according to claim 1 and 2 is characterized in that: the temperature probe of described temperature survey part is an occasionally thermoelectric pickup of thermometric thermal resistance, thermoelectricity.
4. cocoon cooking automatic temperature control according to claim 1 and 2, it is characterized in that: described temperature display control section is the unit display controller that discrete component is realized the pid control function circuit, or adopts intelligent PID display controller or the Industrial Computer Control device or the Programmable Logic Controller of integrated circuit or single-chip microcomputer.
5. cocoon cooking automatic temperature control according to claim 1 and 2 is characterized in that: described automatic regulating valve is electrodynamic type automatic regulating valve or pneumatic type automatic regulating valve.
6. cocoon cooking automatic temperature control according to claim 3; it is characterized in that: the temperature probe of described temperature survey part is the thermometric thermal resistance, and this thermometric thermal resistance inserts the cocoon cooking machine outer wall by protective casing and is fixed in the middle of inner cocoon cage of cocoon cooking machine cure bag and the steam hole pipe.
7. cocoon cooking automatic temperature control according to claim 8; it is characterized in that: be wound with airtight and watertight padding on the protective casing of this thermometric thermal resistance; short tube by the band internal and external threads is fixed on the cocoon cooking machine outer wall, two screw thread fastening, and gland is positioned at the protective casing two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201230932U CN201060422Y (en) | 2007-06-23 | 2007-06-23 | Cocoon-cooking temperature automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201230932U CN201060422Y (en) | 2007-06-23 | 2007-06-23 | Cocoon-cooking temperature automatic control device |
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| CN201060422Y true CN201060422Y (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201230932U Expired - Fee Related CN201060422Y (en) | 2007-06-23 | 2007-06-23 | Cocoon-cooking temperature automatic control device |
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| CN (1) | CN201060422Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100590566C (en) * | 2007-06-23 | 2010-02-17 | 广西壮族自治区柳州市自动化科学研究所 | Automatic temperature control apparatus and method in reeling silk production process |
| CN103019273A (en) * | 2012-12-20 | 2013-04-03 | 山东金宇实业股份有限公司 | Temperature control device of vulcanizing machine |
| CN104850157A (en) * | 2015-04-27 | 2015-08-19 | 德清县伊得利丝绸有限公司 | Cocoon cooking pot |
| CN106092356A (en) * | 2016-07-27 | 2016-11-09 | 苏州大学 | A kind of Bombyx bombycis internal temperature measure of the change device |
| CN110275461A (en) * | 2018-03-17 | 2019-09-24 | 杭州恒勋能源科技有限公司 | A kind of joint steam supplying device and its method of operation |
-
2007
- 2007-06-23 CN CNU2007201230932U patent/CN201060422Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100590566C (en) * | 2007-06-23 | 2010-02-17 | 广西壮族自治区柳州市自动化科学研究所 | Automatic temperature control apparatus and method in reeling silk production process |
| CN103019273A (en) * | 2012-12-20 | 2013-04-03 | 山东金宇实业股份有限公司 | Temperature control device of vulcanizing machine |
| CN103019273B (en) * | 2012-12-20 | 2015-11-25 | 山东金宇实业股份有限公司 | A kind of vulcanizer temperature control equipment |
| CN104850157A (en) * | 2015-04-27 | 2015-08-19 | 德清县伊得利丝绸有限公司 | Cocoon cooking pot |
| CN104850157B (en) * | 2015-04-27 | 2017-12-12 | 德清县伊得利丝绸有限公司 | A kind of cocoon cooking tank |
| CN106092356A (en) * | 2016-07-27 | 2016-11-09 | 苏州大学 | A kind of Bombyx bombycis internal temperature measure of the change device |
| CN110275461A (en) * | 2018-03-17 | 2019-09-24 | 杭州恒勋能源科技有限公司 | A kind of joint steam supplying device and its method of operation |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20160623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |