CN206514672U - The heating control system and drying equipment of drying equipment - Google Patents
The heating control system and drying equipment of drying equipment Download PDFInfo
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- CN206514672U CN206514672U CN201621133653.8U CN201621133653U CN206514672U CN 206514672 U CN206514672 U CN 206514672U CN 201621133653 U CN201621133653 U CN 201621133653U CN 206514672 U CN206514672 U CN 206514672U
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Abstract
The utility model proposes the heating control system and drying equipment of a kind of drying equipment, the heating control system includes collecting unit, fuzzy control unit and PID control unit.Collecting unit is installed on the drying equipment, can detect the heated in real-time temperature of the heating system of the real-time heating rate of heated object, real-time temperature values and the drying equipment in the drying equipment.Fuzzy control unit is connected with the collecting unit, the data that can be measured according to the collecting unit, determines the heating-up temperature setting value of the heating system of the drying equipment.The PID control unit is connected with the fuzzy control unit and the heating system simultaneously, and the PID control unit can according to the fuzzy control unit export heating-up temperature set value calculation described in heating system.Heating control system of the present utility model can expand the scope of application, improve product quality and reduce cost.
Description
Technical field
The utility model is related to a kind of drying equipment technical field, more particularly to a kind of drying equipment heating control system
And drying equipment.
Background technology
The insulating part of transformer is the important component in transformer, in order to improve the insulating properties of insulating part, it is necessary to use
Insulating part is dried special drying equipment, wherein, drying equipment with hot-air circulation is relatively conventional drying equipment.It is existing
Drying equipment with hot-air circulation generally comprise heating system, hot air circulating system and control system, produced by hot air circulating system
The air-flow of raw circulation, is heated by heating system to air-flow, is that hot blast is heated to insulating part using the air-flow after heating, is done it
Dry, heating-up temperature is controlled by the control system.In the prior art, in heating, if the heating speed of heated insulating part
Rate is too fast to easily cause insulating part cracking, influences the product quality of transformer.But if heated slow, it will to take considerable time
And the energy, increase cost.So needing to heat insulating part with specific heating rate, until reaching predetermined heating value
After be transferred to holding stage.
At present, drying equipment with hot-air circulation is generally using the method for constant control space temperature or constant heating medium temperature
So as to the method for indirectly heat insulating part.But the method is difficult to ensure that to be heated to insulating part with constant heating rate.It is existing
Also there is the method that heating rate control is carried out by control object of space temperature in technology, it is ensured that space temperature presses set rate liter
Temperature, but this method can make insulating part temperature lag more, cause insulating part heating rate to deviate serious, add the heat time
It is long.In addition, also there is the method using the heating rate of insulating part as control object, controlled by being interrupted heating, but in heating
Later stage, often overshoot was serious, and the heat time is longer, when to other insulating parts or to other heated beyond insulating part
When part is heated, control system can not be adjusted adaptively, make temperature departure serious, it is impossible to most fast speed in specific heating
Heated up under speed.Therefore, how expanding the scope of application, improve product quality and reducing cost is technical problem urgently to be resolved hurrily.
Above- mentioned information is only used for strengthening the understanding to background of the present utility model disclosed in the background section, because
This it can include not constituting the information to prior art known to persons of ordinary skill in the art.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art to expand the scope of application there is provided one kind, carry
High yield quality and reduce cost drying equipment heating control system and drying equipment.
According to one side of the present utility model, a kind of heating control system of drying equipment, including：
Collecting unit, is installed on the drying equipment, and the collecting unit can detect heated object in the drying equipment
Real-time heating rate, the heated in real-time temperature of the heating system of real-time temperature values and the drying equipment；
Fuzzy control unit, the fuzzy control unit is connected with the collecting unit, the fuzzy control unit energy root
The data measured according to the collecting unit, determine the heating-up temperature setting value of the heating system of the drying equipment；
PID control unit, the PID control unit is connected with the fuzzy control unit and the heating system simultaneously,
And the PID control unit can according to the fuzzy control unit export heating-up temperature set value calculation described in heating system.
According to an embodiment of the present utility model, the collecting unit includes the first comparison module, the collecting unit
The real-time heating rate of collection is inputted to first comparison module, and predetermined heating rate also enters into described first and compared
Module, first comparison module compares the first difference of output to the fuzzy control unit, and the fuzzy control unit is accordingly
Determine the heating-up temperature setting value of the heating system.
According to an embodiment of the present utility model, the collecting unit includes the second comparison module, the collecting unit
The real-time temperature values of collection are inputted to second comparison module, and the heated in real-time temperature also enters into second ratio
Compared with module, second comparison module compares the second difference of output to the fuzzy control unit, the fuzzy control unit evidence
The heating-up temperature setting value of heating system described in this determination.
According to an embodiment of the present utility model, the collecting unit includes detection module, and the detection module is installed
In the drying equipment, the detection module can detect the real-time heating rate, the real-time temperature values and it is described in real time plus
Hot temperature.
According to an embodiment of the present utility model, the fuzzy control unit includes：
Fuzzy control model, the fuzzy control model is connected with the collecting unit, the fuzzy control model energy root
The data measured according to the collecting unit, temperature adjusted value；
Amplitude limit control module, the amplitude limit control module simultaneously with the fuzzy control model and the PID control unit
Connection, the amplitude limit control module can limit temperature adjusted value within a predetermined range, obtain heating-up temperature setting value, and by institute
State heating-up temperature setting value and be sent to the PID control unit.
According to an embodiment of the present utility model, the PID control unit includes：
3rd comparison module, the 3rd comparison module is connected with the fuzzy control unit, can be according to the heating temperature
Degree setting value and the heated in real-time temperature computation obtain the temperature control amount；
PID controller, the PID controller is connected with the 3rd comparison module and the heating system simultaneously, described
PID controller can calculate according to the temperature control amount and obtain temperature control value, and according to temperature control value regulation
The heating-up temperature of heating system.
According to an embodiment of the present utility model, the fuzzy control unit and the PID controller are integrated in same
In PLC.
According to another further aspect of the present utility model, a kind of drying equipment, including heating system and hot air circulating system are also wrapped
Above-mentioned heating control system is included, the heating system includes heating calancria and the heater for heating the heating calancria,
The heater is connected with the PID control unit, and the hot air circulating system includes housing and blower fan, the inner walls
On be formed with air channel, the heating calancria is in the air channel, and the blower fan is used to blow into the air channel, the air channel
Provided with air outlet.
As shown from the above technical solution, the utility model possesses at least one of advantages below and good effect：It can lead to
Cross collecting unit and gather the heated in real-time temperature of drying equipment in real time, and gather the real-time heating rate and real-time temperature of heated object
Angle value；By fuzzy control unit according to the data measured, the heating-up temperature setting of the heating system of the drying equipment is determined
Value, then control by the PID control unit heating system of the drying equipment in real time according to the heating-up temperature setting value
Heated in real-time temperature.In above process, due to can by the heated in real-time temperature gathered in real time, real-time heating rate and in real time
Temperature value finally determines the heating system heated in real-time desired temperature, so as to heating system described in real-time dynamic control,
It is easy to heated object is heated up with specific heating rate；And when heated object changes, new heated object can be still gathered in real time
Heated in real-time temperature, real-time heating rate and real-time temperature values, so as to realize to heated object with the tune of specific heating rate
Section, so as to expand the scope of application, simultaneously as ensure that heating rate, is conducive to improving product quality and reduces cost.
Brief description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature and advantage of the present utility model will
Become readily apparent from.
Fig. 1 is the theory diagram of the utility model heating embodiment of control system one；
Fig. 2 is the heating-up temperature setting value T of the utility model heating control system5Preset range schematic diagram；
Fig. 3 is the flow chart of the utility model method for controlling temperature rise；
Fig. 4 is the schematic diagram of the heating system of the utility model drying equipment；
Fig. 5 is the schematic diagram of the hot air circulating system of the utility model drying equipment.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that this practicality is new
The design of example embodiment fully and completely, and will comprehensively be conveyed to those skilled in the art by type.Identical in figure
Reference represents same or similar structure, thus will omit their detailed description.
Term " described " to represent to exist one or more elements/part/etc.；Term " comprising " is to represent out
Put formula the key element/part/looked like and refer to except listing being included also may be present in addition to waiting other key element/
Part/etc.；Term " first ", " second " and " the 3rd " etc. is only used as mark, is not the quantity limitation to its object.
Reference picture 1, Fig. 1 is the theory diagram of the utility model heating embodiment of control system one.Present embodiment institute
The heating control system stated, including：Collecting unit 1, fuzzy control unit 2 and PID control unit 3.Collecting unit 1 is installed on institute
Drying equipment is stated, fuzzy control unit 2 is connected with collecting unit 1, PID control unit 3 and fuzzy control unit 2 are connected.
In the present embodiment, collecting unit 1 includes detection module 101, the first comparison module 102 and the second comparison module
103。
Detection module 101 is installed on the drying equipment, and can detect real-time heating rate V2, real-time temperature values T2With
The heated in real-time temperature T of the heating system of the drying equipment3；
Wherein, detection module 101 specifically can be using the dress such as temperature sensor and the detector for detecting heating rate
Put, but not limited to this.
Real-time heating rate V2The speed that the temperature of the heated object to detect in real time rises, real-time temperature values T2
For the temperature value of the heated object detected in real time, heated in real-time temperature T3It can be used for what is heated for the drying equipment
Heat the real time temperature of medium.The heating medium can be using heatable liquid such as conduction oils.
In the present embodiment, the first comparison module 102 receives the real-time heating rate V that detection module 101 is sent2, institute
State the predetermined heating rate V of heated object1With predetermined heating value T1, the first comparison module 102 can calculate real-time heating rate V2With
Predetermined heating rate V1Difference, i.e. the first difference DELTA V, and the first difference DELTA V is sent to fuzzy control unit 2；First ratio
Comparator or other devices for calculating the first difference DELTA V can be used compared with module 102.
In the present embodiment, the second comparison module 103 receives the heated in real-time temperature T that detection module 101 is sent3And reality
When temperature value T2, and the second comparison module 103 can calculate heated in real-time temperature T3With real-time temperature values T2Difference, i.e., second
Difference DELTA T1, and by the second difference DELTA T1It is sent to fuzzy control unit 2.Second comparison module 103 can use comparator or other
The first difference DELTA T can be calculated1Device.
In the present embodiment, fuzzy control unit 2 includes fuzzy control model 201 and amplitude limit control module 202, collection
The first comparison module 102 and the second comparison module 103 of unit 1 are connected with fuzzy control model 201, amplitude limit control module
202 are connected with fuzzy control model 201 and PID control unit 3 simultaneously.
In the present embodiment, fuzzy control model 201 may include Fuzzy Calculation module (not shown) and addition control
Molding block (not shown), Fuzzy Calculation module can be according to the first difference DELTA V and the second difference DELTA T1According to the Fuzzy Control
Rule list temperature adjustment amount Δ T processed2, addition control module can be by temperature adjustment amount Δ T2With the heating in upper temperature control cycle
Desired temperature is added and obtains temperature adjusted value T4, and by temperature adjusted value T4Amplitude limit control module 202 is sent to, is easy to follow-up
Processing.
In the present embodiment, fuzzy control rule table is as shown in the table：
The detailed process to fuzzy control unit 2 carries out exemplary explanation below：
In upper table, when the first difference DELTA V is to bear big shelves, the second difference DELTA T1Position is negative or during zero span, temperature adjustment amount Δ T2
For honest shelves, the predeterminable numerical value corresponding with the honest shelves, fuzzy control unit 2 can be by temperature adjustment amount Δ T2It is set as
The predetermined numerical value, by temperature adjustment amount Δ T2Temperature was obtained with the heating-up temperature setting value read group total in upper temperature control cycle to adjust
Whole value T4；
When the first difference DELTA V is zero span, the second difference DELTA T1During the positive middle-grade in position, temperature adjustment amount Δ T2For zero span, Fuzzy Control
Unit 2 processed can be by temperature adjustment amount Δ T2It is set as " 0 ", it is not necessary to adjust, by temperature adjustment amount Δ T2With the upper temperature control cycle
Heating-up temperature setting value read group total obtains temperature adjusted value T4；
When the first difference DELTA V is honest shelves, the second difference DELTA T1Position just small shelves when, temperature adjusted value amount Δ T2To bear middle-grade,
The predeterminable numerical value corresponding with the negative middle-grade, fuzzy control unit 2 can be by temperature adjusted value T4It is set as the predetermined number
Value, by temperature adjustment amount Δ T2Temperature adjusted value T was obtained with the heating-up temperature setting value read group total in upper temperature control cycle4。
As the first difference DELTA V and the second difference DELTA T1During for other other grade in upper table, fuzzy control unit 2 determines temperature
Spend adjustment amount Δ T2With temperature adjusted value T4Process refer to said process, will not be repeated here.
In the present embodiment, amplitude limit control module 202 receives temperature adjusted value T4, can be by temperature adjusted value T4Limit
Within a predetermined range, heating-up temperature setting value T is obtained5, and by heating-up temperature setting value T5It is sent to PID control unit 3.
Reference picture 2, Fig. 2 is the heating-up temperature setting value T of the utility model heating control system5Preset range signal
Figure.Transverse axis in Fig. 2 is time t, and the longitudinal axis is heating-up temperature setting value T5.In the present embodiment, heating-up temperature setting value T5Limit
It is fixed to be controlled within a predetermined range by dynamic amplitude limit, so as to avoid the occurrence of heating overshoot or serious delayed phenomenon, improve and add
The efficiency of heat.T in Fig. 252And T51Respectively illustrate heating-up temperature setting value T5Upper and lower bound, T51And T52Middle the moon
Shadow zone domain is temperature adjusted value T5Scope, dynamically adjust limited amplitude with the change of temperature over time, in advance precognition change
Trend is simultaneously adjusted, and greatly shortens adjustment time.T50For heating-up temperature ideal rising temperature curve, T20For the reason of heated object 15
Think heating curve, two ideal curve is the datum curve that dynamic slice is adjusted.As real-time temperature values T2Reach predetermined heating
Value T1After be transferred to thermostatic control, now heating-up temperature setting value T5Upper limit T52With lower limit T51It is fixed, no longer dynamic is adjusted
It is whole.
In the present embodiment, PID control unit 3 includes：3rd comparison module 301 and PID controller 302, the 3rd ratio
Be connected compared with module 301 with the amplitude limit control module 202 of fuzzy control unit 2, PID controller 302 simultaneously with the 3rd comparison module
301 and the heating system connection.
In the present embodiment, the 3rd comparison module 301 can receive heated in real-time temperature T3, heating-up temperature setting value T5, and
To heating-up temperature setting value T5With heated in real-time temperature value T3Progress, which is calculated, obtains the difference of the two, i.e. temperature control amount Δ T3, and
By temperature control amount Δ T3It is sent to PID controller 302；
In the present embodiment, PID controller 302 can be according to temperature control amount Δ T3Temperature control is obtained through PID arithmetic
Value U, and the temperature for controlling the heating system to be heated medium is adjusted according to temperature control value U.
Reference picture 3, Fig. 3 is the flow chart of the utility model method for controlling temperature rise, the heating controlling party of the drying equipment
Method comprises the following steps：
S1, the heating system of detection drying equipment heated in real-time temperature T3And the real-time heating rate V of heated object2
With real-time temperature values T2；
The data that S2, basis are measured, determine the heating-up temperature setting value T of the heating system of the drying equipment5；
Reference picture 2, it is in the present embodiment, described according to the first difference DELTA V and the second difference DELTA T1According to predetermined mould
Paste control rule table temperature adjustment amount Δ T2, temperature adjusted value T4With heating-up temperature setting value T5；
Step S2 includes：
The first difference DELTA V and the second difference DELTA T can be calculated according to the data measured1, wherein, the first difference DELTA V is real-time
Heating rate V2With predetermined heating rate V1Difference, the second difference DELTA T1For heated in real-time temperature T3With real-time temperature values T2Difference
Value；Meanwhile, predetermined heating value T can be obtained1, to be transferred to preservation and controlling from set rate heating control；
According to the first difference DELTA V and the second difference DELTA T1According to predetermined fuzzy control rule table, temperature adjustment amount
ΔT2；
By temperature adjustment amount Δ T2Temperature adjusted value was obtained with the heating medium temperature value read group total in upper temperature control cycle
T4。
By temperature adjusted value T4Limit within a predetermined range, so as to obtain the heating-up temperature setting in the preset range
Value T5.Heating overshoot or serious delayed phenomenon can be avoided the occurrence of, the efficiency of heating is improved.
S3, according to heating-up temperature setting value T5Control the heating system of the drying equipment.Step S3 includes：
According to heating-up temperature setting value T5With heated in real-time temperature T3Progress, which is calculated, obtains the difference of the two, i.e. temperature control
Measure Δ T3, and by temperature control amount Δ T3It is sent to PID controller 302；
According to temperature control amount Δ T3Temperature control value U is obtained through PID arithmetic, and controls the heating system to be heated
The temperature of medium is adjusted according to temperature control value U.
Reference picture 1, Fig. 4 and Fig. 5, Fig. 4 are the schematic diagrames of the heating system of the utility model drying equipment, and Fig. 5 is this reality
With the schematic diagram of the hot air circulating system of New drying equipment, the arrow in Fig. 5 represents airflow direction.Described in present embodiment
Drying equipment includes heating system, hot air circulating system, in addition to the heating control system described in any of the above-described embodiment, institute
The heater 5 that heating system is heated including heating calancria 4 and to heating calancria 4 is stated, heating calancria 4 includes multiple be arranged side by side
And the pipeline of connection, heater 5 is connected with PID control unit 3, and the hot air circulating system includes housing 6 and blower fan 7, shell
Air channel 61 is formed with the inwall of body 6, heating calancria 4 is in air channel 61, and blower fan 7 is used to blow into air channel 61, and air channel is provided with
Air outlet 611.
During work, heating medium is filled with heating calancria 4, for example, heats oil, the heating medium is made by heater 5
Heating, so that heating calancria 4 heats up.Meanwhile, blown from blower fan 7 into air channel 61.By heating calancria, 4 pairs enter air channel 61
Air-flow is heated, and heated air-flow is sent out from air outlet 611, and heated object 15 can be placed in the circular scope in air channel 61
Interior, the hot blast blown out using air outlet 611 is heated to heated object 15, dries it.In the process, can be by described
Heated in real-time temperature T of the control system that the heats up control to heater 53, i.e. the heating medium temperature value of heater 5 carries out real
When control so that ensure heated object 15 with specific heating rate heat up.
In the present embodiment, heating calancria 4 has multiple, and is linked to be loop by pipeline, and multiple heating calancrias 4 are located at
In air channel 61, and the heating system is also including the oily expansion tank 8 being arranged on the pipeline, filter 9, oil pump 10, temperature
Sensor 11, oil stream switch 12 and multiple valves 13, oil pump 10 can be pumped into heating oil into the pipeline.
In the present embodiment, blower fan 7 includes outer circulation blower fan 71 and interior circulation blower fan 72, and outer circulation blower fan 71 is located at shell
Outside body 6, interior circulation blower fan 72 is in air channel 61.The hot air circulating system also includes air intake valve 14 and exhaust valve 16.It is interior
The cold wind of housing 6 is evacuated in the air channel 61 with heating calancria 4 by circulating fan 72, air-flow row of being heated when air channel 61 is circulated
Pipe 4 is heated, and heating heated object 15 in housing 6 is re-fed into through air outlet 611, and then interior circulation blower fan 72 is sent to again
Air channel 61 is heated, and outer circulation blower fan 71 is used to fill into dry air, and exhaust valve 16 is used for discharge part humid air, to keep away
Exempt from because the steam-laden in housing 6 causes the metal parts of heated object 15 to get rusty.
The heating control system and method for the utility model embodiment, drying equipment, can in real time be supervised by collecting unit
The heated in real-time temperature of drying equipment is surveyed, and gathers the real-time heating rate of heated object, real-time temperature values；Pass through fuzzy control
Unit determines the heating-up temperature setting value of the heating system of the drying equipment according to the data measured, then by the PID control
Unit controls the heated in real-time temperature of the heating system of the drying equipment according to the heating-up temperature setting value in real time.Above-mentioned
During, it is described due to can finally be determined by the heated in real-time temperature, real-time heating rate and real-time temperature values gathered in real time
Heating system heated in real-time desired temperature, so as to heating system described in real-time dynamic control, is easy to make heated object with spy
Determine heating rate heating；And when heated object changes, can still gather in real time new heated object heated in real-time temperature, in real time
Heating rate and real-time temperature values, so as to realize to heated object with the regulation of specific heating rate, so as to expand applicable model
Enclose, simultaneously as ensure that heating rate, be conducive to improving product quality and reduce cost.
It should be appreciated that the utility model be not limited in its application to this specification proposition part detailed construction and
Arrangement.The utility model can have other embodiment, and can realize and perform in many ways.It is foregoing to become
Shape form and modification fall in the range of the utility model.It should be appreciated that this disclosure and this reality limited
Mentioned or all alternative groups of two or more obvious independent features with the new text and/or drawings that extend to
Close.All these different combinations constitute multiple alternative aspects of the present utility model.Embodiment described in this specification is said
Understand and become known for realizing best mode of the present utility model, and those skilled in the art will be enable new using this practicality
Type.
Claims (4)
1. a kind of heating control system of drying equipment, it is characterised in that including：
Collecting unit, is installed on the drying equipment, and the collecting unit can detect the reality of heated object in the drying equipment
When heating rate, real-time temperature values and the drying equipment heating system heated in real-time temperature；
Fuzzy control unit, the fuzzy control unit is connected with the collecting unit, and the fuzzy control unit can be according to institute
The data that collecting unit is measured are stated, the heating-up temperature setting value of the heating system of the drying equipment is determined；
PID control unit, the PID control unit is connected with the fuzzy control unit and the heating system simultaneously, and institute
State PID control unit can according to the fuzzy control unit export heating-up temperature set value calculation described in heating system.
2. heating control system according to claim 1, it is characterised in that the collecting unit includes detection module, institute
State detection module and be installed on the drying equipment, the detection module can detect the real-time heating rate, the real time temperature
Value and the heated in real-time temperature.
3. heating control system according to claim 1, it is characterised in that fuzzy control unit and the PID control
Unit processed is integrated in same PLC.
4. a kind of drying equipment, including heating system and hot air circulating system, it is characterised in that also appoint including claims 1 to 3
Heating control system described in one, the heating system includes heating calancria and filled for the heating for heating the heating calancria
Put, the heater is connected with the PID control unit, the hot air circulating system includes housing and blower fan, the housing
Air channel is formed with inwall, the heating tube is in the air channel, and the blower fan is used to blow into the air channel, the wind
Road is provided with air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133653.8U CN206514672U (en) | 2016-10-18 | 2016-10-18 | The heating control system and drying equipment of drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133653.8U CN206514672U (en) | 2016-10-18 | 2016-10-18 | The heating control system and drying equipment of drying equipment |
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| Publication Number | Publication Date |
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| CN206514672U true CN206514672U (en) | 2017-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957185A (en) * | 2016-10-18 | 2018-04-24 | 中山凯旋真空科技股份有限公司 | The heating control system and method for drying equipment, drying equipment |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957185A (en) * | 2016-10-18 | 2018-04-24 | 中山凯旋真空科技股份有限公司 | The heating control system and method for drying equipment, drying equipment |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 528478 Guangdong city of Zhongshan Province Town Ring Road No. 27. Patentee after: Zhongshan triumphant vacuum Polytron Technologies Inc Address before: 528478 Guangdong city of Zhongshan province Henglan Town Yongfeng Industrial Zone Patentee before: Zhongshan Kaixuan Vacuum Technology Project Co., Ltd. |