CN203955204U - A kind of digital light-sensitive surface reactor control system - Google Patents
A kind of digital light-sensitive surface reactor control system Download PDFInfo
- Publication number
- CN203955204U CN203955204U CN201420298217.0U CN201420298217U CN203955204U CN 203955204 U CN203955204 U CN 203955204U CN 201420298217 U CN201420298217 U CN 201420298217U CN 203955204 U CN203955204 U CN 203955204U
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- control system
- sensitive surface
- heating controller
- chip microcomputer
- digital light
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Abstract
The utility model discloses a kind of digital light-sensitive surface reactor control system, control system comprises single-chip microcomputer, digital temperature sensor, heater and heating controller, the temperature in reactor is transferred to single-chip microcomputer by digital temperature sensor, the work of Single-chip Controlling heating controller, the work of heating controller control heater, external power supply inputs to heating controller.The utility model adopts digital temperature sensor to carry out temperature detection, and according to the duty of feedback result control heater, realizes the accurate control to the operating temperature in reactor.
Description
Technical field
The utility model discloses a kind of light-sensitive surface production system, particularly a kind of digital light-sensitive surface reactor control system.
Background technology
Light-sensitive surface also claims film film or film paper, taking plastic, transparent film as sheet base, being coated with certain thickness emulsion thereon makes, the product colour of light-sensitive surface generally has red, blue, green three kinds, its be mainly used in indirect method and straight between method plate-making, be breath of life in circuit board and some other production process of plate.Light-sensitive surface is divided into four kinds of specifications 1~No. 4 taking the photoresists thickness that it was coated with conventionally: No. 1 light-sensitive surface bondline thickness, as 0.01~0.014mm, is mainly used in printing the screen printing forme of the meticulous lines in 0.1mm left and right; No. 2 light-sensitive surface bondline thickness degree is 0.018~0.022mm, is mainly used in being greater than the lines screen printing forme of 0.1mm; No. 3 light-sensitive surface bondline thickness is 0.035~0.04mm, is mainly used in printed circuit board (PCB), has the screen printing forme of relief version, label etc.; No. 4 light-sensitive surface bondline thickness is 0.05~0.06mm, is mainly used in the screen printing forme of the printed document that ink film is thicker.Due to very thin of the thickness of light-sensitive surface, therefore it is very strict for the temperature requirement of environment in process of production, and conventional control system often can not meet it and control requirement.
Summary of the invention
For the above-mentioned light-sensitive surface of the prior art of mentioning in process of production to the very strict problem of the requirement of temperature, the utility model provides a kind of digital light-sensitive surface reactor control system, it adopts digital temperature sensor to coordinate heating controller work, form closed-loop control system, can realize the object of controlling accurately light-sensitive surface temperature of reaction kettle.
The technical scheme that the utility model solves its technical problem employing is: a kind of digital light-sensitive surface reactor control system, this control system comprises single-chip microcomputer, digital temperature sensor, heater and heating controller, the temperature in reactor is transferred to single-chip microcomputer by digital temperature sensor, the work of Single-chip Controlling heating controller, the work of heating controller control heater, external power supply inputs to heating controller.
The technical scheme that the utility model solves its technical problem employing further comprises:
Described digital temperature sensor is provided with more than one.
Described heating controller adopts frequency converter.
On described single-chip microcomputer, be connected with off-limit alarm device.
Between described external power supply and heating controller, be connected with relay.
Described control system also comprises refrigerator and refrigeration controler, the work of Single-chip Controlling refrigeration controler, the work of refrigeration controler control refrigerator, refrigeration controler is connected on relay, and heating controller and refrigeration controler are connected on the normally opened contact and normally-closed contact of relay.
On described single-chip microcomputer, be connected with display screen and keyboard, or on single-chip microcomputer, be connected with touch-screen.
The beneficial effects of the utility model are: the utility model adopts digital temperature sensor to carry out temperature detection, and according to the duty of feedback result control heater, realize the accurate control to the operating temperature in reactor.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Brief description of the drawings
Fig. 1 is the utility model system block diagram.
Detailed description of the invention
The present embodiment is the utility model preferred embodiment, and other all its principles are identical with the present embodiment or approximate with basic structure, all within the utility model protection domain.
Please refer to accompanying drawing 1, the utility model mainly comprises single-chip microcomputer, digital temperature sensor, heater and heating controller, single-chip microcomputer is core parts of the present utility model, whole system is played to control action, digital temperature sensor is for detection of the temperature in light-sensitive surface reactor, and in the present embodiment, digital temperature sensor can arrange one or more, temperature to the multiple points in reactor detects simultaneously, and testing result is fed back to single-chip microcomputer.Single-chip microcomputer output control signal is to heating controller, and the work of heating controller control heater, in the present embodiment, heating controller adopts frequency converter to realize, the dutycycle of Inverter Based on Single Chip Microcomputer output, thereby operating efficiency that can control heater, so that it is operated in optimum state.In the present embodiment, heater adopt electric heater, external power supply inputs to heating controller, by heating controller again out-put supply to heater.
In the present embodiment, on single-chip microcomputer, be connected with off-limit alarm device, in SCM program, be provided with temperature threshold, the temperature detecting when digital temperature sensor higher than set temperature threshold time, illustrate that possibility heating controller or heater damage, now, MCU driving off-limit alarm device is reported to the police.In the present embodiment, between external power supply and heating controller, be also connected with relay, the temperature detecting when digital temperature sensor higher than set temperature threshold time, MCU driving relay disconnects, give by force heater power-off, in order to avoid reactor is caused to damage because of excess Temperature.In the present embodiment, also be provided with refrigerator and refrigeration controler, the work of Single-chip Controlling refrigeration controler, refrigeration controler out-put supply is to refrigerator, the work of control refrigerator, in the present embodiment, refrigeration controler is also connected on same relay, in the time that heating controller is connected on the normally opened contact of relay, refrigeration controler is connected on the normally-closed contact of relay, in the time that heating controller is connected on the normally-closed contact of relay, refrigeration controler is connected on the normally opened contact of relay, in the time that reactor temperature is too high, heater power-off simultaneously refrigerator powers on, so that reactor is played a protective role.
In the present embodiment, on single-chip microcomputer, be also connected with display screen and keyboard, can carry out parameter input by keyboard and arrange, by display screen, duty is shown in real time simultaneously.When concrete enforcement, also can directly adopt touch-screen to replace display screen and keyboard.
The utility model adopts digital temperature sensor to carry out temperature detection, and according to the duty of feedback result control heater, realizes the accurate control to the operating temperature in reactor.
Claims (7)
1. a digital light-sensitive surface reactor control system, it is characterized in that: described control system comprises single-chip microcomputer, digital temperature sensor, heater and heating controller, the temperature in reactor is transferred to single-chip microcomputer by digital temperature sensor, the work of Single-chip Controlling heating controller, the work of heating controller control heater, external power supply inputs to heating controller.
2. digital light-sensitive surface reactor control system according to claim 1, is characterized in that: described digital temperature sensor is provided with more than one.
3. digital light-sensitive surface reactor control system according to claim 1, is characterized in that: described heating controller adopts frequency converter.
4. according to the digital light-sensitive surface reactor control system described in claim 1 or 2 or 3, it is characterized in that: on described single-chip microcomputer, be connected with off-limit alarm device.
5. according to the digital light-sensitive surface reactor control system described in claim 1 or 2 or 3, it is characterized in that: between described external power supply and heating controller, be connected with relay.
6. digital light-sensitive surface reactor control system according to claim 5, it is characterized in that: described control system also comprises refrigerator and refrigeration controler, the work of Single-chip Controlling refrigeration controler, the work of refrigeration controler control refrigerator, refrigeration controler is connected on relay, and heating controller and refrigeration controler are connected on the normally opened contact and normally-closed contact of relay.
7. according to the digital light-sensitive surface reactor control system described in claim 1 or 2 or 3, it is characterized in that: on described single-chip microcomputer, be connected with display screen and keyboard, or on single-chip microcomputer, be connected with touch-screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420298217.0U CN203955204U (en) | 2014-06-05 | 2014-06-05 | A kind of digital light-sensitive surface reactor control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420298217.0U CN203955204U (en) | 2014-06-05 | 2014-06-05 | A kind of digital light-sensitive surface reactor control system |
Publications (1)
Publication Number | Publication Date |
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CN203955204U true CN203955204U (en) | 2014-11-26 |
Family
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Family Applications (1)
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CN201420298217.0U Expired - Fee Related CN203955204U (en) | 2014-06-05 | 2014-06-05 | A kind of digital light-sensitive surface reactor control system |
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CN (1) | CN203955204U (en) |
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2014
- 2014-06-05 CN CN201420298217.0U patent/CN203955204U/en not_active Expired - Fee Related
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150605 |
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EXPY | Termination of patent right or utility model |