CN103729001B - Temperature control equipment - Google Patents
Temperature control equipment Download PDFInfo
- Publication number
- CN103729001B CN103729001B CN201410018903.2A CN201410018903A CN103729001B CN 103729001 B CN103729001 B CN 103729001B CN 201410018903 A CN201410018903 A CN 201410018903A CN 103729001 B CN103729001 B CN 103729001B
- Authority
- CN
- China
- Prior art keywords
- temperature
- pid
- plc
- controller
- control unit
- Prior art date
- 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.)
- Active
Links
Landscapes
- Coating Apparatus (AREA)
- Feedback Control In General (AREA)
Abstract
The invention discloses a kind of temperature control equipment, including PID control unit, signal input part, signal output part, described PID control unit is connected with signal input part, signal output part, and is connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.PID control unit includes PID controller, the data collected and built-in reference numerical value is compared, and calculates data difference and by new data transfer to PLC, is adjusted temperature in heter temperature and high-efficiency coating machine cylinder.The temperature control equipment of the present invention, simple in construction, stable performance, through many tests, reduce heter temperature with the error amount of temperature in high-efficiency coating machine cylinder within 2 degree, it is achieved that being precisely controlled of high-efficiency coating machine system.
Description
Technical field
The present invention relates to technical field of electric control, be specifically related to a kind of temperature control equipment being applied to high-efficiency coating machine control system.
Background technology
High-efficiency coating machine is a kind of to meet efficient, energy-conservation, safety, the clean electromechanical integration equipment required, in conjunction with medicine New Process in Making, passes through medicine coating, it is ensured that drug quality used with effect duration.In high-efficiency coating machine, label makees the most complicated orbiting motion in coating machine roller, in motor process, controlled by computer programmable control system, by process sequence and selected technological parameter by medium through molasses pump and spray gun (or sugar-coat drip pipe) automatically with vaporific sprinkling (or drip is at sheet wicking surface), thered is provided by hot blast cabinet simultaneously and penetrate sheet bed through 100,000 grades of clean hot air filtered, take away by exhaust blower from cylinder bottom, and discharge after removing dust, so that label quickly forms firm, smooth surface film.
In prior art, PLC is generally utilized to realize the sequence of operations such as temperature regulation, syrup sprinkling, cylinder rotation in cylinder, as the Chinese utility model patent of Publication No. CN202236362U discloses the seed-coating machine that a kind of kettle temperature can automatically control, including motor and coating pan, coating pan is by actuating device, rotated by driven by motor；Also include controlled room temperature hot air apparatus and PLC, controlled room temperature hot air apparatus includes constant temperature cabinet and blower fan, air inlet and air outlet it is provided with on constant temperature cabinet, heater it is additionally provided with in constant temperature cabinet, the control end of heater connects PLC by an electromagnetic valve, air inlet connecting fan, air outlet is by pipeline communication to coating pan, it is provided with seal glass on coating pan pot mouth, a temperature sensor it is additionally provided with in coating pan, the signal output part of temperature sensor connects PLC, this technical scheme uses PLC to control kettle temperature, pill is kept to work under rated temperature.
But, in this process, the control of label temperature is a difficult point, in equipment, heater and temperature probe have long distance, will result in such as: when we are arranged on 50 degree temperature, heater begins to warm up, the when of waiting heater to reach 90 degree, it is 50 degree that probe records the temperature in cylinder, stops heating.Can the temperature of at this time heater to 90 degree, may proceed to provide steam, the temperature not crossing how long probe positions also can become 90 degree, such temperature 40 degree with regard to deviation.
In consideration of it, need the heater to high-efficiency coating machine, PLC to improve.Solve the further lifting of the system operation of above-mentioned difficulties, beneficially high-efficiency coating machine, drug quality, production efficiency.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of temperature control equipment, this device includes PID control unit, signal input part, signal output part, PID control unit is connected with signal input part, signal output part, and is connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.Collection information is compared by PID control unit, calculate data difference and by new data transfer to PLC, temperature in heter temperature and high-efficiency coating machine cylinder is adjusted, can be by the error control of temperature in heter temperature and high-efficiency coating machine cylinder within 2 degree, it is achieved being precisely controlled of high-efficiency coating machine system.
To achieve these goals, the present invention adopts the following technical scheme that.
A kind of temperature control equipment, it is installed on the control end interface of heater, the end interface that controls of described heater is connected with the temperature sensor in PLC and high-efficiency coating machine cylinder, this device includes that PID control unit, described PID control unit are connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.PID control unit transmits signal to PLC after collection information is compared, calculated, temperature in heter temperature and high-efficiency coating machine cylinder is adjusted, reduce heter temperature and the error amount of temperature in high-efficiency coating machine cylinder, be precisely controlled high-efficiency coating machine system and run.
Preferably, this device also includes signal input part, signal output part.
In any of the above-described technical scheme preferably, described signal input part, signal output part are connected with PID control unit, and are connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.
In any of the above-described technical scheme preferably, described PID control unit includes PID controller.
In any of the above-described technical scheme preferably, described PID controller is connected with signal input part, signal output part.
In any of the above-described technical scheme preferably, described signal input part connects temperature sensor, by temperature sensor measurements collection and transmit to PID controller.
In any of the above-described technical scheme preferably, described PID controller is connected with signal output part, the data collected and built-in reference numerical value are compared by PID controller, calculate data difference and new numerical value, and are transmitted to PLC by signal output part by new numerical value.
In any of the above-described technical scheme preferably, described PID control unit also includes correcting controller.
In any of the above-described technical scheme preferably, described correcting controller is connected with PID controller, for adjustment and the correction of calculating data difference of the parameter-embedded numerical value of PID controller.
In any of the above-described technical scheme preferably, described PID control unit is also connected with the display controller of PLC, PID controller is gathered numerical value, built-in reference numerical value, the display controller of new data transfer to PLC, and is shown by the display screen of PLC.The display screen of high-efficiency coating machine control system is touch LCD screen, manually data entry operation can be adjusted PID controller.
In any of the above-described technical scheme preferably, described temperature sensor includes sensor probe, sensor input, sensor output, manostat.
In any of the above-described technical scheme preferably, described sensor probe is connected with sensor input, sensor output, manostat, and is connected with the control end interface of heater.
In any of the above-described technical scheme preferably, this device also includes that power supervisor, described power supervisor are connected with PID control unit.
In any of the above-described technical scheme preferably, the control end interface of described heater also includes temperature controller.
In any of the above-described technical scheme preferably, described temperature controller is connected with the control port of heater.
In any of the above-described technical scheme preferably, described PID control unit is connected with temperature controller, the control end interface of heater, PLC；Described PID control unit receives heter temperature numerical signal and PLC control signal, transmits the numerical signal after comparing calculating to temperature controller, in order to control to adjust heter temperature.
The temperature control equipment of the present invention, is installed on the control end interface of heater, and the end interface that controls of heater is connected with the temperature sensor in PLC and high-efficiency coating machine cylinder.The temperature control equipment of the present invention has PID control unit, signal input part, signal output part, and described PID control unit is connected with signal input part, signal output part, the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.PID control unit includes PID controller, correcting controller；The data collected and built-in reference numerical value are compared by PID controller, calculate data difference and new numerical value, and are transmitted to PLC by signal output part by new numerical value；Correcting controller is connected with PID controller, for adjustment and the correction of calculating data difference of the parameter-embedded numerical value of PID controller.
The temperature control equipment of the present invention, collection information is compared by its built-in PID control unit, calculate data difference and by new data transfer to PLC, temperature in heter temperature and high-efficiency coating machine cylinder is adjusted, through many tests, reduce in heter temperature and high-efficiency coating machine cylinder the error amount of temperature within 2 degree, it is achieved that being precisely controlled of high-efficiency coating machine system.
The temperature control equipment of the present invention, simple in construction, stable performance, further enhance the system run all right of high-efficiency coating machine, improve drug quality and enterprises production efficiency.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of a preferred embodiment of the temperature control equipment according to the present invention；
Fig. 2 is the temperature control equipment of a preferred embodiment of the temperature control equipment according to present invention connection diagram in high-efficiency coating machine system；
Fig. 3 is the PID control unit structural representation of a preferred embodiment of the temperature control equipment according to the present invention.
Detailed description of the invention
With detailed description of the invention, the present invention is elaborated below in conjunction with the accompanying drawings, below describe and be only used as demonstration and explain, the present invention is not made any pro forma restriction.
As shown in Figure 1, temperature control equipment has PID control unit, signal input part, signal output part, PID control unit is connected with signal input part, signal output part, and is connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.Collection information is compared by PID control unit, calculates data difference and by new data transfer to PLC, is adjusted temperature in heter temperature and high-efficiency coating machine cylinder.
PID control unit includes that PID controller, PID controller are connected with signal input part, signal output part.Signal input part connects temperature sensor, by temperature sensor measurements collection and transmit to PID controller.PID controller is connected with signal output part, and the data collected and built-in reference numerical value are compared by PID controller, calculates data difference and new numerical value, and is transmitted to PLC by signal output part by new numerical value.PID control unit also includes correcting controller, and correcting controller is connected with PID controller, for adjustment and the correction of calculating data difference of the parameter-embedded numerical value of PID controller.PID control unit is also connected with the display controller of PLC, PID controller is gathered numerical value, built-in reference numerical value, the display controller of new data transfer to PLC, and shown by the display screen of PLC, the display screen of high-efficiency coating machine control system is touch LCD screen, manually data entry operation can be adjusted PID controller.Temperature sensor includes that sensor probe, sensor input, sensor output, manostat, sensor probe are connected with sensor input, sensor output, manostat, and is connected with the control end interface of heater.Power supervisor is connected with PID control unit.The control end interface of heater also includes that temperature controller, temperature controller are connected with the control port of heater.PID control unit is connected with temperature controller, the control end interface of heater, PLC, PID control unit receives heter temperature numerical signal and PLC control signal, numerical signal after comparing calculating is transmitted to temperature controller, in order to control to adjust heter temperature.
Further as in figure 2 it is shown, high-efficiency coating machine includes main frame, hot blast cabinet, laboratory hood, PLC, main frame has operation interface, cylinder.PLC has programmable function, is automatically adjusted negative pressure, wind flow, controls motor and drives cylinder to turn clockwise by cycloidal-pin wheel deceleration.Hot blast cabinet provides clean hot blast to seed-coating machine, fan starting during work, and wind reaches 100,000 grades of cleanliness factors through roughing efficiency air filter, medium effeciency filter, high efficiency particulate air filter, then heater via reaches the operating temperature that needs.Temperature control equipment is installed on the control end interface of heater, and the end interface that controls of heater is connected with the temperature sensor in PLC and high-efficiency coating machine cylinder.Temperature control equipment includes that PID control unit, described PID control unit are connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.The PID control unit of temperature control equipment transmits signal to PLC after collection information is compared, calculated, temperature in heter temperature and high-efficiency coating machine cylinder is adjusted, reduce heter temperature and the error amount of temperature in high-efficiency coating machine cylinder, be precisely controlled high-efficiency coating machine system and run.
As it is shown on figure 3, PID control unit is connected with signal input part, signal output part, and it is connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.PID control unit has PID controller, correcting controller.The data collected and built-in reference numerical value are compared by PID controller, calculate data difference and new numerical value, and are transmitted to PLC by signal output part by new numerical value.Correcting controller is connected with PID controller, for adjustment and the correction of calculating data difference of the parameter-embedded numerical value of PID controller.PID control unit is feedback circuit, it compares the signal data collected and a built-in reference numerical value, then this being calculated difference to be used for calculating new input numerical value, this new input numerical value can allow the data of PLC reach or be maintained at referential data.PID controller can adjust input value according to referential data and data differences, makes system more accurately stablize.
This temperature control equipment, it is installed on the control end interface of heater, the end interface that controls of heater is connected with the temperature sensor in PLC and high-efficiency coating machine cylinder, its built-in PID control unit is connected with signal input part, signal output part, and is connected with the temperature sensor controlled in end interface, PLC, high-efficiency coating machine cylinder of heater.The data collected and built-in reference numerical value are compared by the PID controller of PID control unit, calculate data difference and new numerical value, and are transmitted to PLC by signal output part by new numerical value；Correcting controller is connected with PID controller, for adjustment and the correction of calculating data difference of the parameter-embedded numerical value of PID controller.Through many tests, reduce heter temperature with the error amount of temperature in high-efficiency coating machine cylinder within 2 degree, it is achieved that being precisely controlled of high-efficiency coating machine system.
The above is only to be described the preferred embodiment of the present invention; it is not that the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by this area ordinary skill technical staff and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (9)
1. a temperature control equipment, it is installed on the control end interface of heater, the end interface that controls of described heater is connected with the temperature sensor in PLC and coating machine roller, it is characterized in that: this device includes that PID control unit, signal input part, signal output part, described PID control unit include PID controller and correcting controller；Described PID control unit is connected with the temperature sensor controlled in end interface, PLC, coating machine roller of heater；Described signal input part, signal output part are connected with PID control unit, and are connected with the temperature sensor controlled in end interface, PLC, coating machine roller of heater；The control end interface of described heater also includes temperature controller；Described PID control unit is connected with temperature controller, the control end interface of heater, PLC, described PID control unit receives heter temperature numerical signal and PLC control signal, numerical signal after comparing calculating is transmitted to temperature controller, in order to control to adjust heter temperature；The data collected and built-in reference numerical value are compared by the PID controller of PID control unit, calculate data difference and new numerical value, and by new numerical value by signal output part transmission to PLC, correcting controller and PID controller are connected to the adjustment of the parameter-embedded numerical value of PID controller and calculate the correction of data difference；The calculating difference that the data collected and built-in reference numerical value compare is used for calculating new input numerical value by the PID controller of PID control unit, this new input numerical value reaches by the data of PLC or is maintained at referential data, PID controller adjusts input value according to referential data and data differences and makes system stability, temperature in heter temperature and high-efficiency coating machine cylinder is adjusted, reduce the error amount of temperature in heter temperature and high-efficiency coating machine cylinder and, within 2 degree, be precisely controlled the operation of high-efficiency coating machine system.
2. temperature control equipment as claimed in claim 1, it is characterised in that: described PID controller is connected with signal input part, signal output part.
3. temperature control equipment as claimed in claim 2, it is characterised in that: described signal input part connects temperature sensor, by temperature sensor measurements collection and transmit to PID controller.
4. temperature control equipment as claimed in claim 1 or 2, it is characterized in that: described PID controller is connected with signal output part, the data collected and built-in reference numerical value are compared by PID controller, calculate data difference and new numerical value, and new numerical value is transmitted to PLC by signal output part.
5. temperature control equipment as claimed in claim 1, it is characterised in that: described PID control unit is also connected with the display controller of PLC, and PID controller gathers numerical value, built-in reference numerical value, the display controller of new data transfer to PLC.
6. temperature control equipment as claimed in claim 1, it is characterised in that: described temperature sensor includes sensor probe, sensor input, sensor output, manostat.
7. temperature control equipment as claimed in claim 6, it is characterised in that: described sensor probe is connected with sensor input, sensor output, manostat, and is connected with the control end interface of heater.
8. temperature control equipment as claimed in claim 1, it is characterised in that: this device also includes that power supervisor, described power supervisor are connected with PID control unit.
9. temperature control equipment as claimed in claim 1, it is characterised in that: described temperature controller is connected with the control port of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018903.2A CN103729001B (en) | 2014-01-16 | 2014-01-16 | Temperature control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018903.2A CN103729001B (en) | 2014-01-16 | 2014-01-16 | Temperature control equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103729001A CN103729001A (en) | 2014-04-16 |
| CN103729001B true CN103729001B (en) | 2016-10-05 |
Family
ID=50453115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410018903.2A Active CN103729001B (en) | 2014-01-16 | 2014-01-16 | Temperature control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103729001B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585081B (en) * | 2017-01-24 | 2018-10-09 | 烽火通信科技股份有限公司 | Lettering block heating controller based on radio temperature sensor and method |
| CN108743388A (en) * | 2018-03-13 | 2018-11-06 | 刘璠宇 | A kind of reversible type is convenient for the seed-coating machine of discharging |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2681739Y (en) * | 2003-08-18 | 2005-03-02 | 乔竹鸣 | Temperature controlled coating machine |
| JP4713125B2 (en) * | 2004-10-14 | 2011-06-29 | 株式会社湯山製作所 | Drug packaging device |
| CN202236362U (en) * | 2011-10-15 | 2012-05-30 | 四川制药制剂有限公司 | Coating machine with automatically-controllable kettle temperature |
| CN202314407U (en) * | 2011-10-15 | 2012-07-11 | 四川制药制剂有限公司 | Control system for automatic coating device |
| CN202516005U (en) * | 2012-05-11 | 2012-11-07 | 四川制药制剂有限公司 | Spray closed coating machine with automatically controllable temperature in pan |
| CN203705995U (en) * | 2014-01-16 | 2014-07-09 | 浙江江南制药机械有限公司 | Temperature control apparatus |
-
2014
- 2014-01-16 CN CN201410018903.2A patent/CN103729001B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103729001A (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203880880U (en) | Constant temperature and humidity clean air cabinet intelligent energy-saving system | |
| CN104382350B (en) | A kind of computer teaching device | |
| CN104482658B (en) | Intelligent control system for gas-fired air heaters | |
| CN103729001B (en) | Temperature control equipment | |
| CN206017943U (en) | A kind of intelligent balance regulating valve | |
| CN203705995U (en) | Temperature control apparatus | |
| CN104456817A (en) | Intelligent inductive ventilation device | |
| CN203913351U (en) | A kind of cut tobacco damping machine constant temperature priming apparatus | |
| CN106813348A (en) | A kind of kitchen supplement aeration device of energy-saving and environmental protection | |
| CN105457946A (en) | Air shower chamber and control method | |
| CN107361658A (en) | A kind of air fryer of pressure self-adjusting section | |
| CN207971542U (en) | Tin equipment is gone in a kind of automation of pcb board | |
| CN206001764U (en) | A kind of pair of water lev el control formula ice machine | |
| CN213658749U (en) | Impregnated paper formaldehyde release detection case | |
| CN204916757U (en) | Storage rubber barrel | |
| CN208079508U (en) | A kind of Improvement type solidification oven | |
| CN208998102U (en) | A kind of new catheter wind-cooling heat dissipating formula automatic temperature-regulator | |
| CN205650409U (en) | Outer heating system of coating line oven that spout more | |
| CN206973909U (en) | A kind of air-source water heater control device | |
| CN101624996B (en) | Novel fan electrical control system | |
| CN111700724A (en) | Wax block forming machine for wax therapy rehabilitation | |
| CN206055728U (en) | The rotation speed of fan self-checking device of range hood | |
| CN204116936U (en) | A kind of pharmacy seed-coating machine electrical control gear | |
| CN203217391U (en) | Steam pressure controlling device for extraction pot | |
| CN104043169A (en) | Oxygen supplying device having constant-temperature heating function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |