CN1246670A - Heater contol device - Google Patents
Heater contol device Download PDFInfo
- Publication number
- CN1246670A CN1246670A CN99111422A CN99111422A CN1246670A CN 1246670 A CN1246670 A CN 1246670A CN 99111422 A CN99111422 A CN 99111422A CN 99111422 A CN99111422 A CN 99111422A CN 1246670 A CN1246670 A CN 1246670A
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- CN
- China
- Prior art keywords
- temperature
- heater
- detected
- well heater
- current value
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/441—Electric switches operable by the driver's pedals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/11—Passenger cars; Automobiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The heater controller which controls the electric power of a heater according to the detected value from a temperature sensor is constituted by integrating a temperature control part which performs temperature detection and temperature setting by the temperature sensor and a power control part having a power element controlling the electric power of the heater and directly drives a gate driving circuit for the power element of the heater by a CPU as one central processor according to the detected temperature. To obtain a heater controller which can perform high-precision temperature control by eliminating a conversion error at the time of transmission by a cable, etc., and make the whole temperature controller compact by eliminating the need for an exclusive signal line.
Description
The present invention relates to a kind of heater control device, be used for well heater is carried out temperature control.
Japanese patent gazette discloses a kind of control for No. 2710637 and has batched the control thermal conductance roll dies of winder (テ-Network ア Star プ ワ イ Application the ダ) (heater control device of the control heater temperature that ホ Star ト go デ Star ト ロ-ラ) waits.This device describes in Fig. 3.
As shown in Figure 3, it is made of temperature regulator 11 and electric governor 13, and said temperature regulator 11 is to be used to detect the temperature of thermopair equitemperature sensor 10 and to carry out the temperature setting; Above-mentioned electric governor 13 is to be connected with said temperature regulator 11 by cable 12, the electric current of control commercial ac power source 15, the energising amount of control heater 14.
Temperature regulator 11 is provided with as the input/output port 17 of data such as the central processing unit CPU16 of control gear and arithmetical organ, input design temperature, low-pass filter (ロ-パ ス Off イ Le ) 18, A/D converter (analog/digital converter) 19, D/A converter (digital/analog converter) 20, voltage or the current converter circuit 21 that is connected with temperature sensor 10; And electric governor 13 is provided with central processing unit CPU22 as control gear and arithmetical organ, A/D converter 23, gate pulse (driving circuit 24 of ゲ-ト) and the power component 25 that is made of silicon controlled rectifier (サ イ リ ス ) or IGBT.
The temperature control of well heater 14 at first is input to the input/output port 17 of design temperature from temperature regulator 11 on the CPU16, and temperature sensor 10 detected temperature transition are become voltage or electric current and import low-pass filter 18, after the radio-frequency component elimination, convert digital signal to and import CPU16 with A/D converter 19, by D/A converter 20 deviation of temperature sensor 10 detected temperature and design temperature is outputed to voltage or current converter circuit 21, voltage or current converter circuit 21 become control signal into voltage or current signal according to deviation, by cable 12, A/D converter 23 by electric governor 13 sends above-mentioned voltage or current signal to CPU22, CPU22 is according to these signals, the control signal of power controlling element 25 is outputed to gate pulse driving circuit 24, power component 25 is carried out suitable ON/OFF control, carry out the phasing degree control of source power supply 15, thereby the energising amount (being thermal value) of well heater 14 is controlled.
At this moment, judge whether and to limit, according to the top condition of the present temperature of well heater and reference memory, output quantity is limited according to the present temperature of well heater 14.
But, because is faint voltage or electric currents such as 1～5V or 4～20mA by cable 12 from the signal that temperature regulator 11 sends electric governor 13 to, the conversion of carrying out between the D/A with D/A converter 20 and A/D converter 23 again, so when electric governor 13 transmits, be easy to generate transformed error from temperature regulator 11, the problem that can not carry out high-precision temperature control arranged.
In addition, though being the modes that current value increased when low with temperature, well heater 14 controls, but the thermal conductance roll dies that well heater 14 is housed is arranged on a plurality of spindles, even the output quantity to each well heater limits, when making the entry into service simultaneously of whole spindles, output quantity to these well heaters 14 limits, for the current value that makes each spindle all increases, the scale of power equipment is increased, have the power component 25 that must make control heater to be suitable for the problem of big current value.And, when the heater-performance characteristic of each spindle has difference each other, have and can not carry out best control and can not change corresponding problem with the timeliness of heater-performance characteristic.
The objective of the invention is in order to solve the above problems, a kind of heater control device is provided, it be in the time of eliminating with transmission such as cables transformed error, can carry out the control of more high-precision temperature and not need dedicated signal line, can make whole temperature control device structure miniaturization.
In order to achieve the above object, the present invention takes following technical scheme:
Heater control device, its detected value according to temperature sensor output is regulated the electric power of supplying with well heater, it is characterized in that: carry out the temperature regulation section that temperature detection was set and carried out being undertaken by the said temperature sensor to temperature, form with the electric adjustment integrally ground of the power component that is provided with the electric power of regulating well heater, according to the detected temperatures of temperature sensor output, with the direct gate pulse driving circuit used of the power component of the above-mentioned well heater of driving of a central processing unit.
Described heater control device is characterized in that: temperature regulation section and electric adjustment portion are stored in the casing.
Heater control device, its detected value according to temperature sensor output is regulated the electric power of supplying with well heater, it is characterized in that having: the current detecting mechanism that the current value of supplying with well heater is detected and judge whether the limiting mechanism of the output quantity that the needs restriction is obtained from detected temperatures and design temperature according to detected current value.
Described heater control device is characterized in that: limiting mechanism is in restriction during to the output quantity of well heater, obtain restriction proportion from the deviation between detected current value and the target current value.
Heater control device of the present invention, be the electric power of supplying with well heater to be regulated according to the detected value of temperature sensor output, wherein, temperature regulation section and electric adjustment portion are made of one, according to the temperature detection temperature, directly drive the gate pulse driving circuit that the power component of above-mentioned well heater is used with central processing unit; The said temperature adjusting portion is to carry out that temperature is set and the temperature detection of carrying out being made by the said temperature sensor, and above-mentioned electric adjustment portion is provided with the power component of the electric power of regulating well heater.
Heater control device of the present invention, wherein, temperature regulation section and electric adjustment portion are contained in the casing.
Heater control device of the present invention, have current detecting mechanism and limiting mechanism, whether the former detects the current value of supplying with well heater, and the latter is according to detected current value, need restriction to judge to the output quantity of obtaining from detected temperatures and design temperature.
Heater control device of the present invention, its limiting mechanism are in restriction during to the output quantity of well heater, obtain restriction proportion from the deviation between detected current value and the target current value.
If adopt the present invention then can produce effect as described below:
(1) temperature regulation section and electric adjustment integrally (forming an assembly) can be able to be formed small-sized structure, and the transformed error before eliminating, can carry out more high-precision temperature control.
(2) owing to export quantitative limitation, thereby irrespectively often carry out best control, and can automatically change corresponding with the timeliness of well heater with all difference of heater-performance characteristic based on the actual detection current value.
(3), thereby can export the system limit through best restriction proportion commonly used owing to obtain restriction proportion from the deviation that detects between current value and the target current value.
Below with reference to the accompanying drawings, embodiments of the invention are elaborated:
Fig. 1 is the block scheme of expression one embodiment of the invention.
Fig. 2 is the synoptic diagram of the electric current restriction among explanation the present invention.
Fig. 3 is the block scheme of the existing embodiment of expression.
Below, with reference to accompanying drawing most preferred embodiment of the present invention is described in detail.
Among Fig. 1, the 30th, on the well heater control basal plate of 1 CPU31, temperature regulation section 32 and electric adjustment portion 33 are provided with being made of one.
On central processing unit CPU31, be connected RAM34 and ROM35 as control gear and arithmetical organ, ROM35 stores the program of having heaters temperature control usefulness etc., also connecting A/D converter (analog/digital converter) 36 on the CPU31, and connecting thermopair equitemperature sensor 10 by low-pass filter 37, design temperature is input to CPU31 from input/output port 38, constitutes temperature regulation section 32.
Electric adjustment portion 33 is made of CPU31, power component 39 and gate pulse driving circuit 40, above-mentioned power component 39 is made of silicon controlled rectifier or IGBT (Insulated-gate BipolarTransistor), and above-mentioned gate pulse driving circuit 40 is to be driven, be used for the members such as transistor of power component 39 are carried out switch control by CPU31; Power component 39, source power supply 15 and well heater 14 are connected by power lead 41.
Be provided with current detecting mechanism 42 on power lead 41, be used for detecting the current value that flows on the well heater 14, this detects current value and is imported on the CPU31 by A/D converter 36.
On heater substrate 30, also be provided with communication port 43, send out the consumption electric power of entire equipment or be distributed in electric power amount on this heater control device by this communication port 43.
Below, effect of the present invention is described.
Design temperature is input on the CPU31 from input/output port 38, with this temperature memory in RAM34.On the other hand, becoming with temperature sensor 10 detected temperature transition after voltage or the current value, be input to CPU31 by low-pass filter 37.
CPU31 obtains their deviation according to design temperature with from the detected temperatures of temperature sensor 10 outputs, according to this deviation, according to being written in control program in the ROM35, drive signal being outputed to gate pulse driving circuit 40, power component 39 is carried out suitable ON/OFF control, phasing degree to source power supply 15 is controlled, control its output quantity, thermal value to well heater 14 is controlled, and thus godet roller etc. is remained under the design temperature.
Under this occasion, temperature regulation section 32 and electric adjustment portion 33 are connected by cable but are stored in integratedly in the casing, can eliminate transformed error, carry out more high-precision temperature control.
When carrying out said temperature control, the current value that flows through well heater 41 detects in current detecting mechanism 42, be entered in the CPU31 by A/D converter 36, the current value that irrespectively detects according to detected and present temperature well heater 14, judge needs limit output quantity, under the occasion that needs limit, according to the deviation between detected current value and the predefined current value and the operational limits ratio just can limit output quantity.
Thus, can with the individual difference of the characteristic of well heater 14 irrespectively, often carry out best control, and automatically the timeliness of corresponding heater-performance characteristic changes and handles.
The synoptic diagram of the heter temperature when Fig. 2 is expression beginning control heater and the relation of Current Control.
Though the output quantity of temperature regulation section 32 is to be controlled to heter temperature and heater current roughly inversely proportionally, Fig. 2 represents irrespectively to carry out with the present temperature of well heater the embodiment of electric current restriction.
For example, start simultaneously under the occasion at each spindle with godet roller, lower by temperature sensor 10 detected detected temperatures, big with the deviation of design temperature, output quantity is increased, heater current is increased, so that surpass the total volume of power equipment.
Therefore, as illustrated in fig. 2 according to target current value U (higher limit) setting range T, output quantity is constrained to detection current value a is no more than target current value U.At this moment restriction proportion is tried to achieve from the deviation that detects between current value and the target current value U, when the deviation between detection current value a and target current value U is big, improves restriction proportion, in deviation hour reduction restriction proportion.And when detecting current value and do not enter the above-mentioned scope T that sets according to target current value U, do not limit.That is to say, with heter temperature irrespectively, the restriction enter in the scope T that sets according to the target current value.
Thus, by in when beginning with its spindle number determine accordingly the maximum power load, with the scope T that sets based target current value U in correspondence with each other, just can be often limit output quantity with the ratio of the best.
By current detecting mechanism 42 detected current values and temperature sensor 10 detected temperature values are compared, just can detect broken string and other faults of well heater 14, from input/output port 38 output alarm signals.
Claims (4)
1. heater control device, its detected value according to temperature sensor output is regulated the electric power of supplying with well heater, it is characterized in that: carry out the temperature regulation section that temperature detection was set and carried out being undertaken by the said temperature sensor to temperature, form with the electric adjustment integrally ground of the power component that is provided with the electric power of regulating well heater, according to the detected temperatures of temperature sensor output, with the direct gate pulse driving circuit used of the power component of the above-mentioned well heater of driving of a central processing unit.
2. heater control device as claimed in claim 1 is characterized in that: temperature regulation section and electric adjustment portion are stored in the casing.
3. heater control device, its detected value according to temperature sensor output is regulated the electric power of supplying with well heater, it is characterized in that having: the current detecting mechanism that the current value of supplying with well heater is detected and judge whether the limiting mechanism of the output quantity that the needs restriction is obtained from detected temperatures and design temperature according to detected current value.
4. heater control device as claimed in claim 3 is characterized in that: limiting mechanism is in restriction during to the output quantity of well heater, obtain restriction proportion from the deviation between detected current value and the target current value.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP243578/1998 | 1998-08-28 | ||
| JP10243578A JP2000075936A (en) | 1998-08-28 | 1998-08-28 | Heater controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1246670A true CN1246670A (en) | 2000-03-08 |
Family
ID=17105918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99111422A Pending CN1246670A (en) | 1998-08-28 | 1999-08-13 | Heater contol device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2000075936A (en) |
| KR (1) | KR20000016948A (en) |
| CN (1) | CN1246670A (en) |
| TW (1) | TW372287B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458631C (en) * | 2005-03-25 | 2009-02-04 | 深圳斯贝克动力电子有限公司 | Method and apparatus for controlling temperature of heating element |
| CN101493707B (en) * | 2008-01-21 | 2011-03-23 | 同方威视技术股份有限公司 | Closed-loop temperature controlling and heating circuit |
| CN103579032A (en) * | 2012-07-20 | 2014-02-12 | 中国科学院电工研究所 | Method and system for testing power semiconductor module packaging technology |
| CN106094921A (en) * | 2016-07-05 | 2016-11-09 | 宁波明科机电有限公司 | Temperature control panel and temperature-controlled process |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100392761B1 (en) * | 2000-12-29 | 2003-07-28 | 박희대 | Method for controlling the current quantity of a heater and heating apparatus |
| JP2011197749A (en) * | 2010-03-17 | 2011-10-06 | Yokogawa Electric Corp | Temperature adjusting device |
| KR101247810B1 (en) * | 2010-11-19 | 2013-04-03 | 엘에스산전 주식회사 | Temperature controlling module |
| KR101113018B1 (en) * | 2011-05-31 | 2012-02-27 | 최병수 | Electric heater, temperature control module, and method for controlling the temperature of the electric heater |
| CN105468051B (en) * | 2015-12-22 | 2018-10-19 | 江阴市辉龙电热电器有限公司 | A kind of temperature controller |
| CN106054696A (en) * | 2016-05-27 | 2016-10-26 | 京东方科技集团股份有限公司 | Heating control circuit and liquid crystal display device |
-
1998
- 1998-08-28 JP JP10243578A patent/JP2000075936A/en active Pending
-
1999
- 1999-02-04 TW TW088101728A patent/TW372287B/en active
- 1999-07-16 KR KR1019990028838A patent/KR20000016948A/en not_active Application Discontinuation
- 1999-08-13 CN CN99111422A patent/CN1246670A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458631C (en) * | 2005-03-25 | 2009-02-04 | 深圳斯贝克动力电子有限公司 | Method and apparatus for controlling temperature of heating element |
| CN101493707B (en) * | 2008-01-21 | 2011-03-23 | 同方威视技术股份有限公司 | Closed-loop temperature controlling and heating circuit |
| CN103579032A (en) * | 2012-07-20 | 2014-02-12 | 中国科学院电工研究所 | Method and system for testing power semiconductor module packaging technology |
| CN103579032B (en) * | 2012-07-20 | 2016-08-24 | 中国科学院电工研究所 | The method of testing of power semiconductor modular packaging technology and system |
| CN106094921A (en) * | 2016-07-05 | 2016-11-09 | 宁波明科机电有限公司 | Temperature control panel and temperature-controlled process |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000075936A (en) | 2000-03-14 |
| TW372287B (en) | 1999-10-21 |
| KR20000016948A (en) | 2000-03-25 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |